Roy Filly, MD
Professor Emeritus
Radiology
School of Medicine
Roy A. Filly, MD, is an Emeritus Professor of Radiology, Obstetrics, Gynecology and Reproductive Sciences at the University of California, San Francisco.
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He obtained his medical degree from Ohio State University College of Medicine, Columbus in 1970, and completed his residency at Stanford University Medical Center Division of Diagnostic Radiology, followed by a Chief Resident from Stanford University Medical Center Division of Diagnostic Radiology in 1974.
Dr. Filly is Co-Founder of the UCSF Fetal Treatment Center, the pioneering organization known worldwide since 1981 as the “Birthplace of Fetal Surgery.” Frequently featured in national and international news articles, Dr. Filly has received numerous awards, including the prestigious Pioneer Award of the World Federation of Ultrasound in Medicine and Biology and the Fry Memorial Award of the American Institute of Ultrasound in Medicine, the highest award for a North American sonologist. Dr. Filly is one of fewer than 100 worldwide fellows of the Society of Radiologists in Ultrasound, and he is also a fellow of the American Institute of Ultrasound in Medicine.
Dr. Filly has published more than 400 peer-reviewed manuscripts, and over 70 textbook chapters. He is the co-author of two books and an educational CD-ROM, Upper Abdominal Sonographic Anatomy.
Expertise: Ultrasound
Specialty: Fetal ultrasound, obstetrics and gynecology, pediatric ultrasound
Professional Interests: Obstetrics, gynecology, reproductive sciences
Education and Training:
- Medical School: Ohio State University College of Medicine, Columbus
- Internship: Case Western Reserve University, Cleveland, Ohio
- Residency: Stanford University Medical Center Division of Diagnostic Radiology
- Fellowship: Stanford University Medical Center Division of Diagnostic Radiology - Chief Resident
- American Board of Radiology
Awards
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- Keynote Speaker, Society of Radiologist in Ultrasound, 2011
- First Recipient, Lawrence A. Mack Lifetime Achievement Award, Society of Radiologists in Ultrasound, 2008
- Jack Reynolds Lecturer, University of Texas, Southwestern, Dallas, TX, 2006
- Honorary Leopold Lecturer, Los Angeles Radiological Society, 2005
- Honorary Pioneer Award, American Institute of Ultrasound in Medicine, 2004
- Howard Steinbach Memorial Lecture Radiology Grand Rounds, University of California, San Francisco, 2001
- William J. Fry Memorial Lecture, Award American Institute of Ultrasound in Medicine, 1997
- The Gray-Hartley Memorial Lecturer, University of Manchester England, 1991
- The Walter W. Herbert Memorial Lecturer, University of California, San Francisco, 1990
- David M. Gould Memorial Lecturer, The John Hopkins School of Medicine, 1986
- Executive Council Award, American Roentgen Ray Society, 1984
- Chief Residents Obstetrics and Gynecology Award, University of California, San Francisco School of Medicine, 1982
- Chief Residents Award Teaching Award, University of California, San Francisco School of Medicine, 1981
- Alumni Achievement Award, Ohio State University, 1980
- Hideyo Minagi Outstanding Teacher Award, University of California, San Francisco, 1978
- Robert Reid Newel Award in Radiology, Stanford University, 1974
- Paul D. Meyer Award, Ohio State University, 1970
Education & Training
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- M.D. School of Medicine Ohio State University 1970
Interests
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- Obstetrics
- reproductive sciences
- gynecology
Websites
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- Ultrasound (radiology.ucsf.edu)
Publications (62)
Top publication keywords:
Fetal DeathAmnionUltrasonography, PrenatalFetal HeartArnold-Chiari MalformationMeningomyeloceleVisceraFetal DiseasesUterine HemorrhageCerebral VentriclesHernias, Diaphragmatic, CongenitalEmbryo LossStomachHernia, DiaphragmaticCysts
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Interrater agreement for sonographic stomach position classification in fetal diaphragmatic hernia across the North American Fetal Therapy Network.
Prenatal diagnosis 2021 Abbasi N, Ryan G, Ruano R, Sanz Cortes M, Ye XY, Shah PS, Filly R, Benachi A, Johnson A, NAFTNet -
Obstetric Sonography: Why Are We Still Terrifying Pregnant Women?
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2018 Filly RA, Norton ME -
Spleen Behind the Heart Complicates Lung-to-Head Ratio Measurement in Left-Sided Congenital Diaphragmatic Hernia.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2016 Basta AM, Lusk LA, Keller RL, Filly RA -
Fetal stomach and gallbladder in contact with the bladder wall is a common ultrasound sign of stomach-down left congenital diaphragmatic hernia.
Journal of clinical ultrasound : JCU 2016 Morgan TA, Basta A, Filly RA -
A Benign Anomalous Umbilical Vein: Not All Umbilical Veins That Wander Are Lost.
Ultrasound quarterly 2016 Morgan TA, Salmeen K, Filly RA
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Fetal Stomach Position Predicts Neonatal Outcomes in Isolated Left-Sided Congenital Diaphragmatic Hernia.
Fetal diagnosis and therapy 2015 Basta AM, Lusk LA, Keller RL, Filly RA -
Fetal ultrasound markers of severity predict resolution of pulmonary hypertension in congenital diaphragmatic hernia.
American journal of obstetrics and gynecology 2015 Lusk LA, Wai KC, Moon-Grady AJ, Basta AM, Filly R, Keller RL -
Outcomes for Prenatally Diagnosed Right Congenital Diaphragmatic Hernia.
Fetal diagnosis and therapy 2015 Iqbal CW, Derderian SC, Lusk L, Basta A, Filly RA, Lee H, Hirose S -
Testicular malakoplakia: a rare sonographic mimic of malignancy.
Journal of clinical ultrasound : JCU 2014 Morgan TA, Rabban JT, Filly RA -
Impact of new society of radiologists in ultrasound early first-trimester diagnostic criteria for nonviable pregnancy.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2014 Hu M, Poder L, Filly RA -
Overlapping sutures: a new sign of a marked pressure effect in twin-twin transfusion syndrome.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2014 Burger IM, Filly RA -
The fetal urinoma revisited.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2014 Yitta S, Saadai P, Filly RA -
Diagnostic criteria for nonviable pregnancy early in the first trimester.
The New England journal of medicine 2013 Doubilet PM, Benson CB, Bourne T, Blaivas M, Society of Radiologists in Ultrasound Multispecialty Panel on Early First Trimester Diagnosis of Mis, Barnhart KT, Benacerraf BR, Brown DL, Filly RA, Fox … -
The grand unifying theory of bright echoes in the fetal and neonatal brain.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2012 Burger IM, Filly RA, Bowie J, Barkovich AJ -
Value of "minimum menstrual age" in determining early pregnancy failure.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2011 Burger IM, Filly RA -
Multifocal nephrogenic adenoma of the bladder in a pediatric patient.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2010 Filly RA, Baskin LS -
Further observations on the empty "amnion sign".
Journal of clinical ultrasound : JCU 2010 Yegul NT, Filly RA -
Supratentorial abnormalities in the Chiari II malformation, IV: the too-far-back ventricle.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2010 Filly MR, Filly RA, Barkovich AJ, Goldstein RB -
The expanded amnion sign: evidence of early embryonic death.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2010 Wax JR, Pinette MG, Filly RA -
The yolk stalk sign: evidence of death in small embryos without heartbeats.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2010 Filly MR, Callen PW, Yegul NT, Filly RA -
Sonographic anatomy of the gastrohepatic ligament.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2010 Desai G, Filly RA -
The expanded amnion sign: evidence of early embryonic death.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2009 Yegul NT, Filly RA -
Prognostic role of tumor-head volume ratio in fetal sacrococcygeal teratoma.
Fetal diagnosis and therapy 2009 Sy ED, Filly RA, Cheong ML, Clifton MS, Cortes RA, Ohashi S, Takifuji K, Ventura DE, Grethel EJ, Wagner AJ, Gress EA, Ball RH, Lee H, Harrison MR -
Prenatal detection of an extra-adrenal neuroblastoma with hepatic metastases.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2009 Desai G, Filly RA, Rand L -
Supratentorial abnormalities in the Chiari II malformation, III: The interhemispheric cyst.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2009 Wong SK, Barkovich AJ, Callen AL, Filly RA -
"Empty" sac in pregnant women with bleeding: are measurements answering the right question?
Journal of clinical ultrasound : JCU 2009 Aziz S, Cho RC, Baker DB, Chhor C, Filly RA -
A survey of bedside ultrasound use by emergency physicians in California.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2009 Stein JC, River G, Kalika I, Hebig A, Price D, Jacoby VL, Filly R -
Type 1 congenital extrahepatic portosystemic shunt.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2009 Sista AK, Filly RA -
Supratentorial abnormalities in the Chiari II malformation, II: tectal morphologic changes.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2009 Callen AL, Stengel JW, Filly RA -
Five-millimeter and smaller embryos without embryonic cardiac activity: outcomes in women with vaginal bleeding.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2008 Aziz S, Cho RC, Baker DB, Chhor C, Filly RA -
Prenatal imaging: ultrasonography and magnetic resonance imaging.
Obstetrics and gynecology 2008 Reddy UM, Filly RA, Copel JA, Pregnancy and Perinatology Branch, Eunice Kennedy Shriver National Institute of Child Health and Hum -
Paradoxical movements of abdominal contents indicating a congenital diaphragmatic hernia.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2008 Sista AK, Filly RA -
The falling snow sign in an ovarian dermoid.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2008 Sista AK, Filly RA -
Color Doppler sonography in evaluation of spermatoceles: the "falling snow" sign.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2008 Sista AK, Filly RA -
Supratentorial abnormalities in the Chiari II malformation, I: the ventricular "point".
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2008 Callen AL, Filly RA -
Paradoxical movement of abdominal contents: a real-time sonographic finding indicating a congenital diaphragmatic hernia.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2007 Sista AK, Filly RA -
Reliability of the lung-to-head ratio as a predictor of outcome in fetuses with isolated left congenital diaphragmatic hernia at gestation outside 24-26 weeks.
American journal of obstetrics and gynecology 2007 Yang SH, Nobuhara KK, Keller RL, Ball RH, Goldstein RB, Feldstein VA, Callen PW, Filly RA, Farmer DL, Harrison MR, Lee H -
Prenatal imaging of congenital maxillomandibular fusion: case report and review of the literature.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2007 Vahidi K, Joe BN, Glenn OA, Barkovich AJ, Filly R, Ball R, Coakley FV -
Maternal morbidity after maternal-fetal surgery.
American journal of obstetrics and gynecology 2006 Golombeck K, Ball RH, Lee H, Farrell JA, Farmer DL, Jacobs VR, Rosen MA, Filly RA, Harrison MR -
Ultrasound screening of fetuses at increased risk for Down syndrome: how many missed diagnoses?
Prenatal diagnosis 2006 Caughey AB, Lyell DJ, Washington AE, Filly RA, Norton ME -
The new obstetric ultrasound guidelines: some concerns.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2005 Schreckengost JL, Filly RA, American Institute of Ultrasound in Medicine, American College of Radiology, American College of Obstetricians and Gynecologists -
The likelihood ratio of sonographic findings for the diagnosis of hemorrhagic ovarian cysts.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2005 Patel MD, Feldstein VA, Filly RA -
Syndromes with focal femoral deficiency: strengths and weaknesses of prenatal sonography.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2004 Filly AL, Robnett-Filly B, Filly RA -
Fetal relative lung volume: quantification by using prenatal MR imaging lung volumetry.
Radiology 2004 Williams G, Coakley FV, Qayyum A, Farmer DL, Joe BN, Filly RA -
Echogenic intracardiac foci and choroid plexus cysts.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2004 Filly RA -
Choroid plexus cyst and echogenic intracardiac focus in women at low risk for chromosomal anomalies.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2004 Filly RA, Benacerraf BR, Nyberg DA, Hobbins JC -
Fetal MRI: a developing technique for the developing patient.
AJR. American journal of roentgenology 2004 Coakley FV, Glenn OA, Qayyum A, Barkovich AJ, Goldstein R, Filly RA -
A randomized trial of fetal endoscopic tracheal occlusion for severe fetal congenital diaphragmatic hernia.
The New England journal of medicine 2003 Harrison MR, Keller RL, Hawgood SB, Kitterman JA, Sandberg PL, Farmer DL, Lee H, Filly RA, Farrell JA, Albanese CT -
Echogenic intracardiac focus: potential for misdiagnosis.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2003 Winn VD, Sonson J, Filly RA -
Complications of monochorionic twins.
Radiologic clinics of North America 2003 Feldstein VA, Filly RA -
Fetoscopic temporary tracheal occlusion for congenital diaphragmatic hernia: prelude to a randomized, controlled trial.
Journal of pediatric surgery 2003 Harrison MR, Sydorak RM, Farrell JA, Kitterman JA, Filly RA, Albanese CT -
The neonatal diaphragmatic crura are hypertrophied: a necessary preparation for the first breath?
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2003 Moes MJ, Filly RA -
Presumptive intrahepatic congenital cystic adenomatoid malformation.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2003 Markhardt BK, Farmer DL, Filly RA -
Adverse birth outcomes in relation to prenatal sonographic measurements of fetal size.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2003 Smith-Bindman R, Chu PW, Ecker J, Feldstein VA, Filly RA, Bacchetti P -
Is it time for the sonoscope? If so, then let's do it right!
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2003 Filly RA -
Prenatal sonography and MR imaging of pulmonary sequestration.
AJR. American journal of roentgenology 2003 Dhingsa R, Coakley FV, Albanese CT, Filly RA, Goldstein R -
Sonographic detection of gallbladder duplication: two cases discovered in utero.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2002 Kinoshita LL, Callen PW, Filly RA, Hill LM -
Sonographic evaluation of liver nodularity: Inspection of deep versus superficial surfaces of the liver.
Journal of clinical ultrasound : JCU 2002 Filly RA, Reddy SG, Nalbandian AB, Lu Y, Callen PW -
Chorioamniotic membrane separation following fetal surgery.
Journal of perinatology : official journal of the California Perinatal Association 2002 Sydorak RM, Hirose S, Sandberg PL, Filly RA, Harrison MR, Farmer DL, Albanese CT -
Routine obstetric sonography.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2002 Filly RA, Crane JP -
US evaluation of fetal growth: prediction of neonatal outcomes.
Radiology 2002 Smith-Bindman R, Chu PW, Ecker JL, Feldstein VA, Filly RA, Bacchetti P -
Entrapped fourth ventricle: another pitfall in the prenatal diagnosis of Dandy-Walker malformations.
Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine 2002 Tsao K, Chuang NA, Filly RA, Barkovich AJ, Goldstein RB