Andrew Horvai, MD, PhD
Professor
Pathology
School of Medicine

Education & Training

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• Fellowship Surgical Pathology UCSF 2003
• Residency Pathology UCSF 2002
• UCSD Medical School 1998

Websites

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• Clinical Profile at UCSF Medical Center (ucsfhealth.org)

Publications (146)

Top publication keywords:
Soft Tissue NeoplasmsLiposarcomaRetroperitoneal NeoplasmsProto-Oncogene Proteins c-mdm2Sarcoma, SynovialOsteosarcomaChondrosarcomaHistiocytoma, Malignant FibrousLipomaBone NeoplasmsPerivascular Epithelioid Cell NeoplasmsGene AmplificationSarcomaBiomarkers, TumorFibroma, Ossifying

• Spatial Gene-Expression Profiling Unveils Immuno-oncogenic Programs of NF1-Associated Peripheral Nerve Sheath Tumor Progression.
  Clinical cancer research : an official journal of the American Association for Cancer Research 2024 Mitchell DK, Burgess B, White EE, Smith AE, Sierra Potchanant EA, Mang H, Hickey BE, Lu Q, Qian S, Bessler W, Li X, Jiang L, Brewster K, Temm C, Horvai A, Albright EA, Fishel ML, Pratilas CA, Angus SP…
• Deciphering the Immune Microenvironment of NF1-associated Peripheral Nerve Sheath Tumors: Identifying Early Biomarkers of Disease Progression and Malignant Transformation.
  Proceedings of IMPRS 2024 Janak Mukherji, Dana Mitchell, Emily White, Breanne Burgess, Abbi Smith, Eric Albright, Jaffar Khan, Andrew Horvai, D. Wade Clapp, Steve Angus, Steven Rhodes
• Botryomycosis: a rare mimic of sarcoma as an initial presentation of acquired immunodeficiency syndrome.
  Skeletal radiology 2023 Boone SL, Horvai AE, Zimel MN, Brown R, Link TM, McGill KC
• Atypical Spindle Cell/Pleomorphic Lipomatous Tumor.
  Surgical pathology clinics 2023 Qorbani A, Horvai A
• Abstract 1161: Primary and metastatic tumors exhibit systems-level differences in dependence on mitochondrial respiratory function.
  Cancer Research 2023 Neal K. Bennett, Hiroki J. Nakaoka, Danny Laurent, Ross Okimoto, Yoshitaka Sei, Andrew E. Horvai, Trever G. Bivona, Georgios Batsios, Pavithra Viswanath, Johanna ten Hoeve, Thomas G. Graeber, Ken …

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• Genomic Profiling of the Craniofacial Ossifying Fibroma by Next-Generation Sequencing.
  Head and neck pathology 2023 Bahceci DH, Grenert JP, Jordan RCK, Horvai AE
• Sarcomatous Transformation of a Medically Treated Lactotroph Pituitary Neuroendocrine Tumor?
  Endocrine pathology 2023 Terry M, Reis G, Horvai A, Pekmezci M, Perry A
• Calcifying fibrous tumor: a rare case in the foot.
  Skeletal radiology 2023 Bharadwaj UU, Akkaya Z, Horvai AE, Link TM, Gassert FG
• Primary and metastatic tumors exhibit systems-level differences in dependence on mitochondrial respiratory function.
  PLoS biology 2022 Bennett NK, Nakaoka HJ, Laurent D, Okimoto RA, Sei Y, Horvai AE, Bivona TG, Ten Hoeve J, Graeber TG, Nakamura K, Nakamura JL
• Primary Cutaneous Malignant Perivascular Epithelioid Cell Tumor Mimicking Undifferentiated Pleomorphic Sarcoma: A Report of a Rare Entity.
  The American Journal of dermatopathology 2022 Neumann NM, Cornelia Ding CK, Borgen A, Corvera CU, North JP, Qorbani A, Horvai AE
• MDM2 Gene Amplification and Expression of MDM2 and CDK4 are Rare in Ossifying Fibroma of Craniofacial Bones.
  Head and neck pathology 2022 Bahceci DH, Jordan RCK, Horvai AE
• ALK Immunoexpression is Specific for Inflammatory Myofibroblastic Tumor Among Vulvovaginal Mesenchymal Neoplasms.
  International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists 2022 Bowman CJ, Medeiros F, Fadare O, Sangoi AR, Horvai AE, Devine WP, McCluggage WG, Rabban JT
• Intracranial mesenchymal tumors with FET-CREB fusion are composed of at least two epigenetic subgroups distinct from meningioma and extracranial sarcomas.
  Brain pathology (Zurich, Switzerland) 2021 Sloan EA, Gupta R, Koelsche C, Chiang J, Villanueva-Meyer JE, Alexandrescu S, Eschbacher JM, Wang W, Mafra M, Ud Din N, Carr-Boyd E, Watson M, Punsoni M, Oviedo A, Gilani A, Kleinschmidt-DeMasters BK,…
• Multiplatform Genomic Profiling and Immunohistochemistry Identify Prognostic and Predictive Signatures in Malignant Peripheral Nerve Sheath Tumors (MPNSTs).
  International Journal of Radiation Oncology • Biology • Physics 2021 H. Vasudevan, C.H. Lucas, W.C. Chen, S. Magill, S.E. Braunstein, A. Reddy, A. Perry, A.E. Horvai, L. Jacques, F. McCormick, M. Pekmezci, D. Raleigh
• Targeted Next-Generation Sequencing Identifies Molecular and Genetic Events in Dedifferentiated Chondrosarcoma.
  Archives of pathology & laboratory medicine 2021 Lucas CG, Grenert JP, Horvai A
• Genomic Profiling of Low-grade Intramedullary Cartilage Tumors Can Distinguish Enchondroma From Chondrosarcoma.
  The American journal of surgical pathology 2021 Joseph NM, McGill KC, Horvai AE
• Irradiation of Nf1 mutant mouse models of spinal plexiform neurofibromas drives pathologic progression and decreases survival.
  Neuro-oncology advances 2021 Laurent D, Smith AE, Bessler WK, Mendonca M, Chin-Sinex H, Descovich M, Horvai AE, Clapp DW, Nakamura JL
• Tumor morphology and location associate with immune cell composition in pleomorphic sarcoma.
  Cancer immunology, immunotherapy : CII 2021 Wustrack RL, Shao E, Sheridan J, Zimel M, Cho SJ, Horvai AE, Luong D, Kwek SS, Fong L, Okimoto RA
• Primary osteosarcoma of the parietal bone.
  Skeletal radiology 2021 Ramezanpour S, Horvai AE, Piawah S, Link TM
• Microstructural abnormalities are evident by histology but not HR-pQCT at the periosteal cortex of the human tibia under CVD and T2D conditions.
  Medicine in novel technology and devices 2021 Garita B, Maligro J, Sadoughi S, Wu PH, Liebenberg E, Horvai A, Link TM, Kazakia GJ
• Intracranial mesenchymal tumor with FET-CREB fusion-A unifying diagnosis for the spectrum of intracranial myxoid mesenchymal tumors and angiomatoid fibrous histiocytoma-like neoplasms.
  Brain pathology (Zurich, Switzerland) 2021 Sloan EA, Chiang J, Villanueva-Meyer JE, Alexandrescu S, Eschbacher JM, Wang W, Mafra M, Ud Din N, Carr-Boyd E, Watson M, Punsoni M, Oviedo A, Gilani A, Kleinschmidt-DeMasters BK, Coss DJ, Lopes MB, …
• Hematolymphoid Neoplasms Rarely Mimic Undifferentiated Pleomorphic Sarcoma of Soft Tissue.
  Archives of pathology & laboratory medicine 2020 Cannatella J, Ganapathi K, Horvai A
• RADT-20. HISTOPATHOLOGIC FINDINGS IN MALIGNANT PERIPHERAL NERVE SHEATH TUMOR ARE BOTH PROGNOSTIC FOR OVERALL SURVIVAL AND PREDICTIVE FOR RESPONSE TO RADIATION THERAPY.
  Neuro-Oncology 2020 Harish N Vasudevan, Calixto-Hope G Lucas, William Chen, Stephen Magill, Steve Braunstein, Line jacques, Sonika Dahiya, Fausto Rodriguez, Andrew Horvai, Arie Perry, Melike Pekmezci, David Raleigh
• TMOD-06. MALIGNANT TRANSFORMATION OF PLEXIFORM NEUROFIBROMAS IN AN NF1 MUTANT MOUSE MODEL OF SPINAL IRRADIATION.
  Neuro-Oncology 2020 Jean Nakamura, Danny Laurent, Abbi Smith, Waylan Bessler, Wade Clapp, Andrew Horvai
• Intraoperative Radiotherapy Without External Beam Radiotherapy in the Management of Primary Soft Tissue Sarcomas of the Extremities.
  International Journal of Radiation Oncology • Biology • Physics 2020 W.S. Chen, M. Lometti, R.L. Wustrack, M.N. Zimel, R.J. O'Donnell, A.E. Horvai, S.J. Cho, R.A. Okimoto, T.M. Jahan, A.R. Gottschalk, S.E. Braunstein
• Outcomes of Elderly Patients with Soft Tissue Sarcoma of the Extremities.
  International Journal of Radiation Oncology • Biology • Physics 2020 J. Chew, S.A. Lloyd, R.A. Okimoto, A. Sabnis, E. Nakakura, C. Corvera, M.N. Zimel, A.E. Horvai, S.J. Cho, R.L. Wustrack, A.R. Gottschalk, R.J. O'Donnell, T.M. Jahan, S.E. Braunstein
• Lipoblastomas presenting in older children and adults: analysis of 22 cases with identification of novel PLAG1 fusion partners.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2020 Fritchie K, Wang L, Yin Z, Nakitandwe J, Hedges D, Horvai A, Mora JT, Folpe AL, Bahrami A
• Histopathologic findings in malignant peripheral nerve sheath tumor predict response to radiotherapy and overall survival.
  Neuro-oncology advances 2020 Lucas CG, Vasudevan HN, Chen WC, Magill ST, Braunstein SE, Jacques L, Dahiya S, Rodriguez FJ, Horvai AE, Perry A, Pekmezci M, Raleigh DR
• Fibroma-like perivascular epithelioid cell tumor: a rare case in a long bone.
  Skeletal radiology 2020 Ramezanpour S, Horvai AE, Zimel M, Bucknor M, Link TM
• Pleomorphic Sarcoma in a Patient with Osteopetrosis.
  Journal of radiology case reports 2020 McGill K, Motamedi D, Azimi N, Horvai A, O'Donnell R
• Secondary aneurysmal bone cysts and associated primary lesions: imaging features of 49 cases.
  Clinical imaging 2020 Gutierrez LB, Link TM, Horvai AE, Joseph GB, O'Donnell RJ, Motamedi D
• Soft Tissue Special Issue: Gnathic Fibro-Osseous Lesions and Osteosarcoma.
  Head and neck pathology 2020 Hameed M, Horvai AE, Jordan RCK
• Clinicopathologic and molecular features of intracranial desmoplastic small round cell tumors.
  Brain pathology (Zurich, Switzerland) 2019 Lee JC, Villanueva-Meyer JE, Ferris SP, Cham EM, Zucker J, Cooney T, Gilani A, Kleinschmidt-DeMasters BK, Trembath D, Mafra M, Chiang J, Ellison DW, Cho SJ, Horvai AE, Van Ziffle J, Onodera C, Devine …
• Ewing sarcoma in a child with neurofibromatosis type 1.
  Cold Spring Harbor molecular case studies 2019 Fernandez KS, Turski ML, Shah AT, Bastian BC, Horvai A, Hardee S, Sweet-Cordero EA
• Atypical lipomatous tumour/well-differentiated liposarcoma and de-differentiated liposarcoma in patients aged ≤ 40 years: a study of 116 patients.
  Histopathology 2019 Waters R, Horvai A, Greipp P, John I, Demicco EG, Dickson BC, Tanas MR, Larsen BT, Ud Din N, Creytens DH, Bahrami A, Doyle LA, Jo VY, Al-Ibraheemi A, Thway K, Jenkins SM, Siontis B, Folpe A, Fritchie …
• Differential gene expression identifies KRT7 and MUC1 as potential metastasis-specific targets in sarcoma.
  Cancer management and research 2019 Jiang L, Tolani B, Yeh CC, Fan Y, Reza JA, Horvai AE, Xia E, Kratz JR, Jablons DM, Mann MJ
• Cdkn2a (Arf) loss drives NF1-associated atypical neurofibroma and malignant transformation.
  Human molecular genetics 2019 Rhodes SD, He Y, Smith A, Jiang L, Lu Q, Mund J, Li X, Bessler W, Qian S, Dyer W, Sandusky GE, Horvai AE, Armstrong AE, Clapp DW
• EWSR1-NFATC2 Translocation-associated Sarcoma Clinicopathologic Findings in a Rare Aggressive Primary Bone or Soft Tissue Tumor.
  The American journal of surgical pathology 2019 Wang GY, Thomas DG, Davis JL, Ng T, Patel RM, Harms PW, Betz BL, Schuetze SM, McHugh JB, Horvai AE, Cho SJ, Lucas DR
• Cutibacterium (formerly Propionibacterium) acnes clavicular infection.
  Journal of bone and joint infection 2019 Zaid M, Chavez MR, Carrasco AE, Zimel MN, Zhang AL, Horvai AE, Link TM, O'Donnell RJ
• Primary intracranial sarcomas with DICER1 mutation often contain prominent eosinophilic cytoplasmic globules and can occur in the setting of neurofibromatosis type 1.
  Acta neuropathologica 2019 Lee JC, Villanueva-Meyer JE, Ferris SP, Sloan EA, Hofmann JW, Hattab EM, Williams BJ, Guo H, Torkildson J, Florez A, Van Ziffle J, Onodera C, Grenert JP, Cho SJ, Horvai AE, Jones DTW, Pfister SM, …
• Desmoplastic Small Round Cell Tumors With Atypical Presentations: A Report of 34 Cases.
  International journal of surgical pathology 2018 Al-Ibraheemi A, Broehm C, Tanas MR, Horvai AE, Rubin BP, Cheah AL, Thway K, Fisher C, Bahrami A, Folpe AL, Fritchie KJ
• Bone remodeling following MR-guided focused ultrasound: Evaluation with HR-pQCT and FTIR.
  Bone 2018 Bucknor MD, Goel H, Pasco C, Horvai AE, Kazakia GJ
• Genetic and molecular reappraisal of spindle cell adamantinoma of bone reveals a small subset of misclassified intraosseous synovial sarcoma.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2018 Horvai A, Dashti NK, Rubin BP, Kilpatrick SE, Rudzinski ER, Lopez-Terrada D, Hubley MB, Davis JL, Fritchie K
• Cutaneous Non-Neural Granular Cell Tumors Harbor Recurrent ALK Gene Fusions.
  The American journal of surgical pathology 2018 Cohen JN, Yeh I, Jordan RC, Wolsky RJ, Horvai AE, McCalmont TH, LeBoit PE
• Progression of dialysis-related amyloidoma towards pathologic fracture.
  Skeletal radiology 2018 Baal JD, Horvai AE, Link TM
• Recurrent GNA14 mutations in anastomosing haemangiomas.
  Histopathology 2018 Bean GR, Joseph NM, Folpe AL, Horvai AE, Umetsu SE
• EWSR1-NFATC2 gene fusion in a soft tissue tumor with epithelioid round cell morphology and abundant stroma: a case report and review of the literature.
  Human pathology 2018 Cohen JN, Sabnis AJ, Krings G, Cho SJ, Horvai AE, Davis JL
• Abdominopelvic and Retroperitoneal Low-Grade Fibromyxoid Sarcoma: A Clinicopathologic Study of 13 Cases.
  American journal of clinical pathology 2018 Ud Din N, Ahmad Z, Zreik R, Horvai A, Folpe AL, Fritchie K
• Adipocyte size variability in benign and malignant lipomatous tumors and morphologic mimics: a quantitative definition using digital pathology.
  Human pathology 2017 Bean GR, Wen KW, Horvai AE
• Composite hemangioendothelioma with neuroendocrine marker expression: an aggressive variant.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2017 Perry KD, Al-Lbraheemi A, Rubin BP, Jen J, Ren H, Jang JS, Nair A, Davila J, Pambuccian S, Horvai A, Sukov W, Tazelaar HD, Folpe AL
• Significance of H3K27me3 loss in the diagnosis of malignant peripheral nerve sheath tumors.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2017 Pekmezci M, Cuevas-Ocampo AK, Perry A, Horvai AE
• Composite hemangioendothelioma with neuroendocrine marker expression: an aggressive variant.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2017 Perry KD, Al-Lbraheemi A, Rubin BP, Jen J, Ren H, Jang JS, Nair A, Davila J, Pambuccian S, Horvai A, Sukov W, Tazelaar HD, Folpe AL
• Interobserver Reproducibility Among Gynecologic Pathologists in Diagnosing Heterologous Osteosarcomatous Component in Gynecologic Tract Carcinosarcomas.
  International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists 2017 Sangoi AR, Kshirsagar M, Roma AA, Horvai AE, Chivukula M, Ellenson LH, Fadare O, Folkins AK, Garg K, Hanley K, Longacre TA, Haas J, McCluggage WG, McKenney JK, Nucci MR, Oliva E, Park KJ, Parkash V, …
• Intraneural glomus tumor of "uncertain malignant potential" and with BRAF mutation in the median nerve - an unusual case.
  Clinical neuropathology 2017 Dahlin LB, Scherman P, Besjakov J, Lindberg E, Solomon DA, Horvai AE, Perry A
• Surgical excision of perineal nodular induration: A cyclist's third testicle.
  Canadian Urological Association journal = Journal de l'Association des urologues du Canada 2017 Awad MA, Murphy GP, Gaither TW, Osterberg EC, Sanford TA, Horvai AE, Breyer BN
• SATB2 Expression Is Sensitive but Not Specific for Osteosarcomatous Components of Gynecologic Tract Carcinosarcomas: A Clinicopathologic Study of 60 Cases.
  International journal of gynecological pathology : official journal of the International Society of Gynecological Pathologists 2017 Sangoi AR, Kshirsagar M, Horvai AE, Roma AA
• Recurrent GNAQ mutations in anastomosing hemangiomas.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2017 Bean GR, Joseph NM, Gill RM, Folpe AL, Horvai AE, Umetsu SE
• Bone.
  AJCC Cancer Staging Manual 2017 Jeffrey S. Kneisl, Andrew E. Rosenberg, Peter M. Anderson, Cristina R. Antonescu, Oyvind S. Bruland, Kumarasen Cooper, Andrew E. Horvai, Ginger E. Holt, Brian O’Sullivan, Shreyaskumar R. Patel, Peter …
• p16 Immunohistochemistry is Less Useful Than MDM2 and CDK4 to Distinguish Dedifferentiated Liposarcomas From Other Retroperitoneal Mimics.
  Applied immunohistochemistry & molecular morphology : AIMM 2017 Kang Y, Horvai AE
• Somatic and Germline TP53 Alterations in Second Malignant Neoplasms from Pediatric Cancer Survivors.
  Clinical cancer research : an official journal of the American Association for Cancer Research 2016 Sherborne AL, Lavergne V, Yu K, Lee L, Davidson PR, Mazor T, Smirnoff IV, Horvai AE, Loh M, DuBois SG, Goldsby RE, Neglia JP, Hammond S, Robison LL, Wustrack R, Costello JF, Nakamura AO, Shannon KM, …
• Malignant Transformation of an Aneurysmal Bone Cyst to Fibroblastic Osteosarcoma.
  American journal of orthopedics (Belle Mead, N.J.) 2016 Kansagra AP, Wan JJ, Devulapalli KK, Horvai AE, O'Donnell RJ, Link TM
• Pollen Contamination Mimicking Microorganisms.
  Journal of the American Society of Cytopathology 2016 Dianna Ng, Andrew Horvai, Regina Aye, Ronald Balassanian
• Multiple hereditary exostoses: A pseudoaneurysm masquerading as tumor.
  Journal of radiology case reports 2016 Trivedi H, Link TM, O'Donnell RJ, Horvai AE, Motamedi D
• Pancreatic involvement by mesenchymal chondrosarcoma harboring the HEY1-NCOA2 gene fusion.
  Human pathology 2016 Cohen JN, Solomon DA, Horvai AE, Kakar S
• A Novel T55A Variant of Gs α Associated with Impaired cAMP Production, Bone Fragility, and Osteolysis.
  Case reports in endocrinology 2016 Wentworth K, Hsing A, Urrutia A, Zhu Y, Horvai AE, Bastepe M, Hsiao EC
• Milroy's disease and scrotal lymphoedema: pathological insight.
  BMJ case reports 2016 Butler C, Osterberg C, Horvai A, Breyer B
• Xanthogranuloma in the heavily irradiated low neck in a patient with head and neck cancer.
  Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale 2016 Singer L, Calkins SM, Horvai AE, Ryan WR, Yom SS
• Special AT-rich sequence-binding protein 2 (SATB2) expression is sensitive but may not be specific for osteosarcoma as compared with other high-grade primary bone sarcomas.
  Histopathology 2016 Davis JL, Horvai AE
• Patellar Coccidioides immitis osteomyelitis.
  Current Orthopaedic Practice 2016 Edward Walker Gallego, Thomas F. Burk, Andrew E. Horvai, Thomas M. Link, Anthony C. Luke, Richard J. O’Donnell
• Adipocyte-Like Differentiation in a Posttreatment Embryonal Rhabdomyosarcoma.
  Case reports in pathology 2015 Balitzer D, McCalmont TH, Horvai AE
• Chondro-Osseous Lesions of Soft Tissue.
  Surgical pathology clinics 2015 Cho SJ, Horvai A
• Intraoperative radiotherapy and limb-sparing surgery in the treatment of primary, non-metastatic extremity soft tissue sarcoma.
  Journal of Radiation Oncology 2015 Christopher L. Tinkle, Stuart Y. Tsuji, Vivian Weinberg, Rosanna Wustrack, Steve E. Braunstein, Daphne A. Haas-Kogan, Steven G. DuBois, Andrew Horvai, Thierry Jahan, Richard J. O’Donnell, Alexander R.…
• Intraoperative Radiotherapy in the Management of Locally Recurrent Extremity Soft Tissue Sarcoma.
  Sarcoma 2015 Tinkle CL, Weinberg V, Braunstein SE, Wustrack R, Horvai A, Jahan T, O'Donnell RJ, Gottschalk AR
• Soft-tissue aneurysmal bone cyst with translocation t(17;17)(p13;q21) corresponding to COL1A1 and USP6 loci.
  Skeletal radiology 2015 Jacquot C, Szymanska J, Nemana LJ, Steinbach LS, Horvai AE
• Chronic recurrent multifocal osteomyelitis with an atypical presentation in an adult man.
  Skeletal radiology 2015 Hong CW, Hsiao EC, Horvai AE, Link TM
• Low-grade small round cell tumor of the cauda equina with EWSR1-WT1 fusion and indolent clinical course.
  Human pathology 2014 Ud Din N, Pekmezci M, Javed G, Horvai AE, Ahmad Z, Faheem M, Navarro AL, López-Terrada D, Perry A
• Bone remodeling after MR imaging-guided high-intensity focused ultrasound ablation: evaluation with MR imaging, CT, Na(18)F-PET, and histopathologic examination in a swine model.
  Radiology 2014 Bucknor MD, Rieke V, Seo Y, Horvai AE, Hawkins RA, Majumdar S, Link TM, Saeed M
• Morphologic and immunohistochemical features of malignant peripheral nerve sheath tumors and cellular schwannomas.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2014 Pekmezci M, Reuss DE, Hirbe AC, Dahiya S, Gutmann DH, von Deimling A, Horvai AE, Perry A
• Comparative evaluation of strategies for quantifying signaling pathway proteins in Ewing sarcoma.
  Applied immunohistochemistry & molecular morphology : AIMM 2014 Applebaum MA, Thomas DG, Hembrough T, Burrows J, Horvai AE, Lawlor ER, DuBois SG
• Erratum to: Fibro-Osseous Lesions of the Craniofacial Bones: ß-Catenin Immunohistochemical Analysis and CTNNB1 and APC Mutation Analysis.
  Head and Neck Pathology 2014 Andrew E. Horvai, Richard C. Jordan
• The genomic landscape of the Ewing Sarcoma family of tumors reveals recurrent STAG2 mutation.
  PLoS genetics 2014 Brohl AS, Solomon DA, Chang W, Wang J, Song Y, Sindiri S, Patidar R, Hurd L, Chen L, Shern JF, Liao H, Wen X, Gerard J, Kim JS, Lopez Guerrero JA, Machado I, Wai DH, Picci P, Triche T, Horvai AE, …
• Loss of heterozygosity and microsatellite instability are rare in sporadic dedifferentiated liposarcoma: a study of 43 well-characterized cases.
  Archives of pathology & laboratory medicine 2014 Davis JL, Grenert JP, Horvai AE
• Panostotic expansile bone disease with massive jaw tumor formation and a novel mutation in the signal peptide of RANK.
  Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research 2014 Schafer AL, Mumm S, El-Sayed I, McAlister WH, Horvai AE, Tom AM, Hsiao EC, Schaefer FV, Collins MT, Anderson MS, Whyte MP, Shoback DM
• Fibro-osseous lesions of the craniofacial bones: β-catenin immunohistochemical analysis and CTNNB1 and APC mutation analysis.
  Head and neck pathology 2014 E Horvai A, C Jordan R
• Aggressive and minimally invasive surgery for pulmonary metastasis of sarcoma.
  The Journal of thoracic and cardiovascular surgery 2014 Reza J, Sammann A, Jin C, Horvai A, Hudnall M, Jablons DM, Jahan T, Kornak J, Mann MJ
• Hemosiderotic fibrolipomatous tumor, not an entirely benign entity.
  The American journal of surgical pathology 2013 Solomon DA, Antonescu CR, Link TM, O'Donnell RJ, Folpe AL, Horvai AE
• Comparison of Latino and non-Latino patients with Ewing sarcoma.
  Pediatric blood & cancer 2013 Sharib J, Horvai A, Gray Hazard FK, Daldrup-Link H, Goldsby R, Marina N, DuBois SG
• Diagnostic utility of SOX10 to distinguish malignant peripheral nerve sheath tumor from synovial sarcoma, including intraneural synovial sarcoma.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2013 Kang Y, Pekmezci M, Folpe AL, Ersen A, Horvai AE
• Comparison of standard immunohistochemistry and automated quantitative immunohistochemistry for quantification of signaling proteins in archival Ewing sarcoma samples.
  Journal of Clinical Oncology 2013 Mark A. Applebaum, Dafydd G. Thomas, Andrew Horvai, Elizabeth R Lawlor, Steven G. DuBois
• MR imaging features of gadofluorine-labeled matrix-associated stem cell implants in cartilage defects.
  PloS one 2012 Nejadnik H, Henning TD, Do T, Sutton EJ, Baehner F, Horvai A, Sennino B, McDonald D, Meier R, Misselwitz B, Link TM, Daldrup-Link HE
• Primary mixed malignant tumor of bone in an 18-year-old male: Report of a case with radiologic-pathologic correlation.
  Journal of bone oncology 2012 Courtier J, Robbins E, Soares B, Horvai A, Mackenzie JD
• Genetically mediated Nf1 loss in mice promotes diverse radiation-induced tumors modeling second malignant neoplasms.
  Cancer research 2012 Choi G, Huang B, Pinarbasi E, Braunstein SE, Horvai AE, Kogan S, Bhatia S, Faddegon B, Nakamura JL
• Bone and cartilage demonstrate changes localized to bone marrow edema-like lesions within osteoarthritic knees.
  Osteoarthritis and cartilage 2012 Kazakia GJ, Kuo D, Schooler J, Siddiqui S, Shanbhag S, Bernstein G, Horvai A, Majumdar S, Ries M, Li X
• Regulators of skeletal development: a cluster analysis of 206 bone tumors reveals diagnostically useful markers.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2012 Horvai AE, Roy R, Borys D, O'Donnell RJ
• A novel sarcoma with dual differentiation: clinicopathologic and molecular characterization of a combined synovial sarcoma and extraskeletal myxoid chondrosarcoma.
  The American journal of surgical pathology 2012 Vergara-Lluri ME, Stohr BA, Puligandla B, Brenholz P, Horvai AE
• Magnetic resonance imaging of ferumoxide-labeled mesenchymal stem cells in cartilage defects: in vitro and in vivo investigations.
  Molecular imaging 2012 Henning TD, Gawande R, Khurana A, Tavri S, Mandrussow L, Golovko D, Horvai A, Sennino B, McDonald D, Meier R, Wendland M, Derugin N, Link TM, Daldrup-Link HE
• P16 expression predicts necrotic response among patients with osteosarcoma receiving neoadjuvant chemotherapy.
  Human pathology 2012 Borys D, Canter RJ, Hoch B, Martinez SR, Tamurian RM, Murphy B, Bishop JW, Horvai A
• Foreword for Pathology Case Reviews.
  AJSP Review and Reports 2012 Andrew Horvai, Andrew L. Folpe
• Preface.
  High-Yield Bone and Soft Tissue Pathology 2012 Andrew E. Horvai, Thomas Link
• Predictors of acute chemotherapy-associated toxicity in patients with Ewing sarcoma.
  Pediatric blood & cancer 2011 Sharib JM, Cyrus J, Horvai A, Gray Hazard FK, Neuhaus J, Matthay KK, Goldsby R, Marina N, DuBois SG
• Progressive craniofacial bone loss after cosmetic surgery at the forehead.
  Skeletal radiology 2011 Prasad AP, George V, Porzig A, Horvai AE, Gross A, Shoback D, Link TM
• 150 QUANTITATIVE AND HISTOPATHOLOGICAL ANALYSIS OF OSTEO-ARTHRITIC CARTILAGE USING MRI, HRMAS SPECTROSCOPY AND IMMUNO-HISTOCHEMISTRY.
  Osteoarthritis and Cartilage 2011 K. Shet, F. Liang, T. Alliston, H. Yoshihara, J. Kurhanewicz, M. Ries, A. Horvai, X. Li
• CT-guided biopsy of bone and soft-tissue lesions: role of on-site immediate cytologic evaluation.
  Journal of vascular and interventional radiology : JVIR 2011 Virayavanich W, Ringler MD, Chin CT, Baum T, Giaconi JC, O'Donnell RJ, Horvai AE, Jones KD, Link TM
• Metabolic bone diseases.
  Seminars in diagnostic pathology 2011 Horvai AE, Boyce BF
• Anatomy and Histology of Cartilage.
  Cartilage Imaging 2011 Andrew Horvai
• Dose-dependent effects of focal fractionated irradiation on secondary malignant neoplasms in Nf1 mutant mice.
  Cancer research 2011 Nakamura JL, Phong C, Pinarbasi E, Kogan SC, Vandenberg S, Horvai AE, Faddegon BA, Fiedler D, Shokat K, Houseman BT, Chao R, Pieper RO, Shannon K
• Soft tissue mass at the infrascapular fossa.
  Skeletal radiology 2011 Tham SC, Horvai AE, Link T, Steinbach L
• Quantitative MRI using T1ρ and T2 in human osteoarthritic cartilage specimens: correlation with biochemical measurements and histology.
  Magnetic resonance imaging 2010 Li X, Cheng J, Lin K, Saadat E, Bolbos RI, Jobke B, Ries MD, Horvai A, Link TM, Majumdar S
• Patellar metastatic melanoma in a 13-year-old boy.
  American journal of orthopedics (Belle Mead, N.J.) 2010 Burk TF, Horvai AE, Gottschalk AR, Leong SP, Kashani-Sabet M, Goldsby RE, Law J, O'Donnell RJ
• Osteoid osteoma of the femur in a 7-month-old infant treated with radiofrequency ablation.
  Skeletal radiology 2010 Virayavanich W, Singh R, O'Donnell RJ, Horvai AE, Goldsby RE, Link TM
• Abstract 3427A: Focal fractionated irradiation induces specific malignancies in a dose-dependent manner in Nf1 mutant mice.
  Clinical Research 2010 Jean L. Nakamura, Connie Phong, Emile Pinarbasi, Scott C. Kogan, Scott Vandenberg, Andrew E. Horvai, Bruce A. Faddegon, Benjamin T. Houseman, Russell O. Pieper, Kevin Shannon
• Soft tissue mass at the infrascapular fossa.
  Skeletal radiology 2010 Tham SC, Horvai AE, Link T, Steinbach L
• Epithelioid sarcoma expresses epidermal growth factor receptor but gene amplification and kinase domain mutations are rare.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2010 Cascio MJ, O'Donnell RJ, Horvai AE
• Chapter 15 Cartilage-Forming Tumors.
  Bone and Soft Tissue Pathology 2010 Andrew Horvai
• Chapter 19 Vascular Tumors of Bone.
  Bone and Soft Tissue Pathology 2010 Andrew Horvai
• Chapter 21 Notochordal Tumors.
  Bone and Soft Tissue Pathology 2010 Andrew Horvai
• Synovial Sarcoma: Role of Immunohistochemistry and Molecular Genetics in Diagnosis and Prognosis.
  Methods of Cancer Diagnosis, Therapy, and Prognosis 2010 Andrew E. Horvai
• Loss of Blm enhances basal cell carcinoma and rhabdomyosarcoma tumorigenesis in Ptch1+/- mice.
  Carcinogenesis 2009 Davari P, Hebert JL, Albertson DG, Huey B, Roy R, Mancianti ML, Horvai AE, McDaniel LD, Schultz RA, Epstein EH
• Giant cutaneous melanomas: evidence for primary tumour induced dormancy in metastatic sites?
  BMJ case reports 2009 Tseng WW, Doyle JA, Maguiness S, Horvai AE, Kashani-Sabet M, Leong SP
• Similarity in genetic alterations between paired well-differentiated and dedifferentiated components of dedifferentiated liposarcoma.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2009 Horvai AE, DeVries S, Roy R, O'Donnell RJ, Waldman F
• RT-PCR analysis for FGF23 using paraffin sections in the diagnosis of phosphaturic mesenchymal tumors with and without known tumor induced osteomalacia.
  The American journal of surgical pathology 2009 Bahrami A, Weiss SW, Montgomery E, Horvai AE, Jin L, Inwards CY, Folpe AL
• The influence of ferucarbotran on the chondrogenesis of human mesenchymal stem cells.
  Contrast media & molecular imaging 2009 Henning TD, Sutton EJ, Kim A, Golovko D, Horvai A, Ackerman L, Sennino B, McDonald D, Lotz J, Daldrup-Link HE
• Utility of Immunohistochemistry for Endothelial Markers in Distinguishing Epithelioid Hemangioendothelioma From Carcinoma Metastatic to Bone.
  Archives of Pathology & Laboratory Medicine 2009 Ryan Gill, Richard J. O'Donnell, Andrew Horvai
• Utility of immunohistochemistry for endothelial markers in distinguishing epithelioid hemangioendothelioma from carcinoma metastatic to bone.
  Archives of pathology & laboratory medicine 2009 Gill R, O'Donnell RJ, Horvai A
• Solitary fibrous tumor of the male pelvis: findings at CT with histopathologic correlation.
  Clinical imaging 2008 Joe BN, Bolaris M, Horvai A, Yeh BM, Coakley FV, Meng MV
• Inflammatory myofibroblastic tumor of the central nervous system and its relationship to inflammatory pseudotumor.
  Human pathology 2008 Swain RS, Tihan T, Horvai AE, Di Vizio D, Loda M, Burger PC, Scheithauer BW, Kim GE
• Distribution and prognostic significance of human telomerase reverse transcriptase (hTERT) expression in giant-cell tumor of bone.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2008 Horvai AE, Kramer MJ, Garcia JJ, O'Donnell RJ
• Immunostaining for peroxisome proliferator gamma distinguishes dedifferentiated liposarcoma from other retroperitoneal sarcomas.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2008 Horvai AE, Schaefer JT, Nakakura EK, O'Donnell RJ
• Compressive osseointegration promotes viable bone at the endoprosthetic interface: retrieval study of Compress implants.
  International orthopaedics 2007 Kramer MJ, Tanner BJ, Horvai AE, O'Donnell RJ
• Premalignant conditions of bone.
  Journal of orthopaedic science : official journal of the Japanese Orthopaedic Association 2006 Horvai A, Unni KK
• Beta-catenin nuclear expression correlates with cyclin D1 expression in primary and metastatic synovial sarcoma: a tissue microarray study.
  Archives of pathology & laboratory medicine 2006 Horvai AE, Kramer MJ, O'Donnell R
• Mismatch repair protein expression and microsatellite instability: a comparison of clear cell sarcoma of soft parts and metastatic melanoma.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2006 Garcia JJ, Kramer MJ, O'Donnell RJ, Horvai AE
• Utility of CD117 immunoreactivity in differentiating metastatic melanoma from clear cell sarcoma.
  Archives of pathology & laboratory medicine 2006 Garcia JJ, Kramer MJ, Mackey ZB, O'Donnell RJ, Horvai AE
• Therapy-induced malignant neoplasms in Nf1 mutant mice.
  Cancer cell 2005 Chao RC, Pyzel U, Fridlyand J, Kuo YM, Teel L, Haaga J, Borowsky A, Horvai A, Kogan SC, Bonifas J, Huey B, Jacks TE, Albertson DG, Shannon KM
• Symptomatic perirenal serous cysts of müllerian origin mimicking renal cysts on CT.
  AJR. American journal of roentgenology 2004 Minor TX, Yeh BM, Horvai AE, Abrahams HM, Meng MV, Stoller ML
• c-Kit is not expressed in malignant mesothelioma.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2003 Horvai AE, Li L, Xu Z, Kramer MJ, Jablons DM, Treseler PA
• Congenital craniopharyngioma: a role for imaging in the prenatal diagnosis and treatment of an uncommon tumor.
  Fetal diagnosis and therapy 2003 Kolen ER, Horvai A, Perry V, Gupta N
• Malignant mesothelioma does not demonstrate overexpression or gene amplification despite cytoplasmic immunohistochemical staining for c-Erb-B2.
  Archives of pathology & laboratory medicine 2003 Horvai AE, Li L, Xu Z, Kramer MJ, Jablons DM, Treseler PA
• Differential utilization of Ras signaling pathways by macrophage colony-stimulating factor (CSF) and granulocyte-macrophage CSF receptors during macrophage differentiation.
  Molecular and cellular biology 1998 Guidez F, Li AC, Horvai A, Welch JS, Glass CK
• 140 Use of scavenger receptor regulatory elements to target gene expression to atherosclerotic plaques.
  Atherosclerosis 1997 C.K. Glass, A. Horvai, W. Palinski, A. Li, J. Collier
• Nuclear integration of JAK/STAT and Ras/AP-1 signaling by CBP and p300.
  Proceedings of the National Academy of Sciences of the United States of America 1997 Horvai AE, Xu L, Korzus E, Brard G, Kalafus D, Mullen TM, Rose DW, Rosenfeld MG, Glass CK
• Scavenger receptor A gene regulatory elements target gene expression to macrophages and to foam cells of atherosclerotic lesions.
  Proceedings of the National Academy of Sciences of the United States of America 1995 Horvai A, Palinski W, Wu H, Moulton KS, Kalla K, Glass CK
• Combinatorial Interactions between AP-1 and ets Domain Proteins Contribute to the Developmental Regulation of the Macrophage Scavenger Receptor Gene.
  Molecular and Cellular Biology 1994 Hong Wu, Karen Moulton, Andrew Horvai, Shreya Parik, Christopher K. Glass
• Combinatorial interactions between AP-1 and ets domain proteins contribute to the developmental regulation of the macrophage scavenger receptor gene.
  Molecular and Cellular Biology 1994 H Wu, K Moulton, A Horvai, S Parik, C K Glass
• Combinatorial interactions between AP-1 and ets domain proteins contribute to the developmental regulation of the macrophage scavenger receptor gene.
  Molecular and cellular biology 1994 Wu H, Moulton K, Horvai A, Parik S, Glass CK
• Nerve growth factor acts through cAMP-dependent protein kinase to increase the number of sodium channels in PC12 cells.
  Neuron 1990 Kalman D, Wong B, Horvai AE, Cline MJ, O'Lague PH