SPR Unknown Case Contest

Welcome to the unknown case contest page!

The current unknown case is at the top; the previous cases are shown below with their answers.

We display the current unknown case for approximately two weeks, and accept answers during that time period. Please submit only one answer per case.

At the end of the year, the individual with the most correct answers will be honored with a prize (trainees will be judged separately from attendings).

If you would like to submit an unknown case for consideration to be displayed in the future, please go to this online form and follow the instructions.

Want to receive an email when a new case is posted? Join the list here.

Unknown Cases 191 - 200

Unknown Case #199

History: 7-day old male with poor feeding, abnormal heart rate, diagnosed with hypertension.

Authors: Vandad Saadat BS University of Miami, Shahnaz Ghahremani MD UCLA

Submit an answer for the current case

 

Unknown Case #198: Prostaglandin-induced side effects

Prostaglandin-induced side effects

Authors: Teresa Finnegan MD, Benjamin Harris MD and Martha Munden MD, Wake Forest Brenner Children's Hospital

 

Unknown Case #197: Lingual osseous choristoma

Lingual osseous choristoma

Author: Esben Vogelius MD, University Hospitals of Cleveland

 

Unknown Case #196: Congenital liver hemangioma

Congenital liver hemangioma

Authors: Kim Dannull MD and Ahmed Marwan MD, Childrens Hospital Colorado

 

Unknown Case #195: Gastrointestinal stromal tumor in patient with NF-1

Gastrointestinal stromal tumor (GIST) in patient with NF-1

Author: Apeksha Chaturvedi MD, University of Rochester

 

Unknown Case #194: Oxidized cellulose (Surgicel)

Oxidized cellulose (Surgicel)

Author: Andrew Phelps MD, UCSF Benioff Children's Hospital

 

Unknown Case #193: Subperiosteal abscess

 

Authors: Taylor Colore BS George Washington University, Arthur Meyers MD Nemours Children’s Hospital, and Monica Epelman MD Nemours Children’s Hospital

 

Unknown Case #192: Meckel-Gruber syndrome

 

Author: Kimberly Dannull MD, Children's Hospital Colorado

 

Unknown Case #191: Hemorrhagic pineal cyst (pineal apoplexy)

 

Authors: Authors: Marit Duffy MD, and Paul Clark DO, Fort Belvoir Community Hospital

 

Unknown Cases 181 - 190

Unknown Case #190: Hepatic artery-portal vein fistula

 

Authors: Mitchell Rees MD and Judy Squires MD, Children's Hospital of Pittsburgh

 

Unknown Case #189: Arterial tortuosity syndrome

 

Authors: Ankit Mehta, University of Missouri - Kansas City School of Medicine and Sherwin Chan MD, PhD, Children's Mercy Hospital Kansas City

 

Unknown Case #188: CSF-oma

 

Author: Hedieh Khalatbari MD, Seattle Children's Hospital

 

Unknown Case #187: Hepatic venoocclusive disease (Thioguanine induced)

 

Authors: Ajaykumar Morani MD, The University of Texas MD Anderson Cancer Center and Prakash Masand MD, Texas Children's Hospital

 

Unknown Case #186: Kawasaki disease with giant coronary artery aneurysms

 

Authors: Emily Dunn MD and Richard Bellah MD, The Children's Hospital of Philadelphia

Unknown Case #185: Cervical lung herniation

 

Authors: Jane Kim MD and Narendra Shet MD, University of Maryland Medical Center

 

Unknown Case #184: Disorder of sex development with ovotestes (true hermaphroditism)

 

Authors: Vandad Saadat (student), University of Miami Miller School of Medicine and Paul Iskander MD, UCLA

 

Unknown Case #183: Pulmonary tuberculosis

 

Authors: Caroline Swift MD and Meryle Eklund MD, Medical University of South Carolina

 

Unknown Case #182: Congenital pulmonary venolobar syndrome

 

Authors: Peter Joyce MS, University of Central Florida, Monica Epelman MD and Daniel Podberesky MD, Nemours Children's Hospital

 

Unknown Case #181: Mesenchymal hamartoma of the chest wall

 

Author: Evelyn Anthony MD, Wake Forest Baptist Medical Center

 

Unknown Cases 171 - 180

Unknown Case #180: Graft-versus-host disease (GVHD) of the gastrointestinal tract

 

Authors: Mark Sugi MD, Mayo Clinic and Brian Keehn DO, Phoenix Children's Hospital

 

Unknown Case #179: Intermittent testicular torsion (bilateral)

 

Authors: Ray Somcio MD and Marthe Munden MD, Texas Children's Hospital

 

Unknown Case #178: Congenitally corrected transposition of the great arteries (CCTGA)

 

Authors: Mark Ferguson MD and Randolph Otto MD, Seattle Children's Hospital

 

Unknown Case #177: Bronchiolitis obliterans

 

Author: Sarah Desoky MD, University of Arizona

 

Unknown Case #176: Langerhans cell histiocytosis

 

Authors: Mariaem Andres MD and Abigail Pornobi MD, St. Luke's Medical Center, Quezon City and Global City, Philippines

 

Unknown Case #175: Pulmonary embolus (postmortem)

 

Authors: Mary Harty MD and Harcke MD, Nemours / AI duPont Hospital for Children HT

 

Unknown Case #174: Focal nodular hyperplasia

 

Author: Kiery Braithwaite MD, Emory University / Children's Healthcare of Atlanta and the SPR oncology committee

 

Unknown Case #173: Conjoined twins (omphalopagus)

 

Author: Lucia Carpineta MD, Montreal Children's Hosp MUHC

 

Unknown Case #172: Median cleft face (DPG-plus) syndrome

 

Author: Mai-Lan Ho MD, Mayo Clinic

 

Unknown Case #171: Herniation of the right ovary, fallopian tube and uterus into the inguinal canal and labia

 

Author: Melanie Levin MD, Kosair Children's Hospital

 

Unknown Cases 161 - 170

Unknown Case #170: Multifocal polypoid gastric heterotopia

 

Authors: Jonathan Dillman MD, MSc and Andrew Trout MD, Cincinnati Children's Hospital Medical Center

Unknown Case #169: Pilomatricoma

 

Author: Andrew Phelps MD, UCSF Benioff Children's Hospital San Francisco

Unknown Case #168: Osteoid osteoma

 

Authors: Authors: Ray Somcio MD and Siddharth Jadhav MD, Texas Childrens' Hospital

Unknown Case #167: Methotrexate osteopathy

 

Authors: Whitney Manlove MD and Geetika Khanna MD, Mallinckrodt Institute of Radiology, Washington University School of Medicine in St. Louis

Unknown Case #166: Persistent hypoglossal artery

 

Authors: Robert Crowder MD and Ashley Crowder MD, Maricopa Integrated Health System

Submit an answer for the current case

Unknown Case #165: Meckel’s diverticulum as a lead point for intussusception

 

Authors: Kirkpatrick Gillen (medical student) and Patrick Mullin DO, Medical University of South Carolina

Unknown Case #164: Persistent Blake's pouch cyst

 

Author: S. Pinar Karakas MD, UCSF Benioff Children's Hospital at Oakland

Unknown Case #163: Xanthogranulomatous pyelonephritis


Authors: Frederick Joachim MD and Arthur B. Meyers MD, Children's Hospital of Wisconsin

Unknown Case #162: Neuroendocrine cell hyperplasia of infancy (NEHI)


Author: Esben Vogelius MD, Cleveland Clinic, CT

Unknown Case #161: Duplication cyst (rectal)


Authors: Mahmoud Zahra MD, St. Vincent's Medical Center, Bridgeport, CT and Douglas Moote MD, Connecticut Children’s Medical Center, Hartford, CT

Unknown Cases 151 - 160

Unknown Case #160: Choledochal cyst (type 1)

Authors: Safwan Halabi MD and Lillian Lai MD, Lucile Packard Children's Hospital at Stanford

Unknown Case #159: Testicular adrenal rests and congenital adrenal hyperplasia

Authors: Francesca Hernandez MSIV and Shahnaz Ghahremani MD, UCLA

Unknown Case #158: Ebstein's anomaly

Author: Taylor Chung MD, Children's Hospital Oakland
Submit an answer for the current case

Unknown Case #157: Periosteal osteosarcoma

Authors: Terence Menezes MD and Costa Stavrakis DO, Albany Medical Center

Unknown Case #156: Body stalk anomaly / limb body wall complex

Authors: Gayathri Sreedher MD, Emily Janitz DO, and Paul Wong MD, Akron Childrens Hospital

Unknown Case #155: Chronic recurrent multifocal osteomyelitis

 

Authors: Terence Menezes MD and Maria Boulos MD, Albany Medical Center

Unknown Case #154: Congenital diaphragmatic hernia with hernia sac

Author: Kimberly Dannull MD, Children's Hospital Colorado

Unknown Case #153: Meconium pseudocyst

Authors: Michelle Zhang MD and Ricardo Faingold MD, McGill University Health Center

Unknown Case #152: Melanotic neuroectodermal tumor of infancy

Authors: Cory Pfeifer MD and Timothy Booth MD, University of Texas Southwestern Medical Center

Unknown Case #151: Crohn disease

Authors: Ketan Shah MD and Prakash Masand MD, Texas Children's Hospital

Unknown Cases 141 - 150

Unknown Case #150: Campomelic dysplasia

 

 

Author: Shawn Parnell MD, Seattle Children's Hospital

Unknown Case #149: Congenital hydrocolpos due to imperforated hymen

 

 

Author: LUIS GONCALVES MD, Oakland University William Beaumont School of Medicine

Unknown Case #148: Fibrous hamartoma of infancy

 

 

Authors: MANISHA JANA MD and ARUN K GUPTA MD, ALL INDIA INSTITUTE OF MEDICAL SCIENCES

Unknown Case #147: Ollier Disease (multiple enchondromas)

 

 Ollier Disease (multiple enchondromas)

Authors: Theodore Molnar MD and Amisha Shah MD, Children's Hospital of Pittsburgh

Unknown Case #146: Inflammatory myofibrobalstic tumor (IMT) of small bowel mesentery

 

 

Author: Lena Naffaa MD, Akron Childrens Hospital

Unknown Case #145: Sacrococcygeal teratoma (Type 2)

 

 

Authors: Chetan Shah MD, MBA, Nemours Children's Hospital and Ashishkumar Parikh MD, Mayo Clinic

Unknown Case #144: Ewing sarcoma

 

 

Authors: Theodore Molnar MD, Children's Hospital of Pittsburgh and Amisha Shah MD, Children's Hospital of Pittsburgh

Unknown Case #143: Dandy Walker Malformation and occipital meningocele

 

 

Authors: Chetan Shah MD, MBA, Nemours Children's Hospital and Ashishkumar Parikh MD, Mayo Clinic

Unknown Case #142: Filamin A Mutation

 

 

Authors: Drew Pierce MD and Karen Lyons MD, Texas Children's Hospital

Unknown Case #141: Fibrodysplasia ossificans progressiva

 

 

Authors: MANISHA JANA MD and ARUN K GUPTA MD, ALL INDIA INSTITUTE OF MEDICAL SCIENCES

Unknown Cases 131 - 140

Unknown Case #140: Midgut malrotation complicated by volvulus

 

Author: Cicero Silva MD, Yale School of Medicine

Unknown Case #139: Retinoblastoma (metastatic to the cervical spine)

 

 

Authors: Keith Carver DMD, MS and Meryle Eklund MD, Medical University of South Carolina

Unknown Case #138: Astroblastoma

 

 

Author: David Leake MD, Dell Children's Medical Center of Central Texas

Unknown Case #137: Vein of Galen Malformation

 

 

Author: Andrew Phelps MD, UCSF Benioff Children's Hospital San Francisco

Unknown Case #136: Gorham's disease

 

 

Authors: Eleza Golden MD and Kiery Braithwaite MD, Emory University

Unknown Case #135: Mucoepidermoid carcinoma

 

 

Authors: Terence Menezes MD and Lisa Ribons MD, Albany Medical Center

Unknown Case #134: Venous malformation of the jejunum

 

Authors: Yeamie Kousari MD and Richard Bellah MD, Children's Hospital of Philadelphia

Unknown Case #133: Gastroschisis

 

 

Authors: Alexander Rich MD, Nathan Miller MD, Harris L. Cohen MD, University of Tennessee Health Science Center, Le Bonheur Children's Hospital

Unknown Case #132: Extramedullary hematopoiesis

 

 

Authors: Mark Bittman MD, Cohen Children's Medical Center of New York, NS-LIJ Health System and the SPR Abdominal Imaging Committee

Unknown Case #131: Pierre Robin sequence

 

 

Authors: Amy Mehollin-Ray MD and Kate Moreng-Mangona MD, Texas Children's Hospital

Unknown Cases 121 - 130

Unknown Case #130: Solid pseudopapillary tumor (SPT) of the pancreas

 

Authors: Shravan Sridhar MS and Mostafa Youssfi MD, Phoenix Children's Hospital

 

Unknown Case #129: Takayasu’s Arteritis

Authors: Monica Epelman MD and Carolina Guimaraes MD, Nemours Children's Hospital

 

Unknown Case #128: Eosinophilic Granuloma (EG) of the spine

Authors: Albert Roh MD Maricopa Medical Center, Jawad Hussain BS University of Arizona College of Medicine, Phoenix

 

Unknown Case #127: Enterolithiasis

 

Authors: Daniel Rosenbaum MD and Richard Bellah MD, Children’s Hospital of Philadelphia

 

Unknown Case #126: Tracheobronchial Papillomatosis

 

Authors: Rohit Khanna MD and Mittun Patel MD, Phoenix Children's Hospital

 

Unknown Case #125: Dermoid cyst

Authors: Summer Kaplan MD and Richard Bellah MD, The Children's Hospital of Philadelphia

 

Unknown Case #124: Liver adenomatosis

 

Author: Shahnaz Ghahremani MD, UCLA

 

Unknown Case #123: Meconium peritonitis

 

Authors: Katie St. Germain MD, Kiery Braithwaite MD, and Shelli Bank MD, Emory

 

Unknown Case #122: Metastatic Retroperitoneal Paraganglioma

 

Authors: Albert Roh MD and Deepa Biyyam MD, Phoenix Children's Hospital

 

Unknown Case #121: Ganglioneuroblastoma

Author: Majid AlMotairi MD, King Fahad Medical City

 

Unknown Cases 111 - 120

Unknown Case #120: Small bowel obstruction due to multiple magnet ingestion

Authors: Kristin Constantino MD and Richard Southard MD, Phoenix Children's Hospital

Unknown Case #119: Fetal Caudal Regression Syndrome

Author: Hollie Jackson MD, Children's Hospital Los Angeles

 

Unknown Case #118: Post-transplant lymphoproliferative disorder (PTLD)

Authors: Trevor Davis DO and Ian Cassell MD, Phoenix Children's Hospital

 

Unknown Case #117: Mature Sacrococcygeal Teratoma, Type IV

Authors: Amanda Marshall MD and Mittun Patel MD, Phoenix Children's Hospital

 

Unknown Case #116: Meckel’s diverticulum

Authors: Saveen Ahuja MD and Sarah M. Desoky MD, University of Arizona

 

Unknown Case #115: Ewing sarcoma

Authors: David Aria MD and Smita Bailey MD, Phoenix Children's Hospital

 

Unknown Case #114: Infantile myofibroma

Authors: Seth Vatsky DO and Mostafa Youssfi MD, Phoenix Children's Hospital

 

Unknown Case #113: Phosphaturic mesenchymal tumor (aka oncogenic osteomalacia, tumor-induced rickets)

Authors: Shannon Farmakis MD, Marilyn Siegel MD, and Barry Siegel MD, Mallinckrodt Institute of Radiology at Washington University School of Medicine

 

Unknown Case #112: Renal cell carcinoma associated with a chromosomal translocation (i.e. t(X, 17))

Authors: Matthew O'Dell MD, MPH and Gregory Logsdon MD, Florida Hospital for Children

 

Unknown Case #111: Histoplasmosis

 

Authors: Cynthia Lumby MD and Edward Richer MD, University of Kentucky

 

Unknown Cases 100 - 110

Unknown Cases 90 - 99

Unknown Cases 80 - 89

Unknown Cases 70 - 79

200th Case Celebration!

We are almost at our 200th Unknown Case! To celebrate we will be holding a webinar that will review cases YOU pick. Select up to five cases that you want to be covered on the "Unknown Cases" Webinar. 


2016-2017 Case Winners

Attending Category

  • Stephen Miller, MD; LeBonheur Children's Hospital, Memphis, TN (multi-year winner)
  • Joan Zawin, MD; Rockford Mercy Hospital, Rockford IL. (multi-year winner)

Fellow/Resident category

  • Mahmoud Zahra, MD: St. Vincent’s Medical Center, Bridgeport, CT (multi-year winner)
  • Vishal Patel, MD: Ronald Reagan UCLA Medical Center, Los Angeles, CA

SPR's Unknown Case Team

  • Peter "Buzz" Marcovici, MD, Assistant Web Editor - Unknown Cases
  • Benjamin Taragin, MD, Web-editor
  • Mary B. Wyers, MD, Web-editor Emeritus