SPR's Unknown Case

Welcome to the bi-weekly unknown pediatric radiology case page!

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

We will be displaying the current case as an unknown for approximately two weeks, and will be accepting your answers during that time period. Please submit only one answer per case.  Answer forms will only be accepted until the case has been switched and the diagnosis has been posted.

At the end of the year, the individual with the most correct answers will be honored with a prize (fellows and residents 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 111 - 120

Unknown Case #116

Previously healthy 19 year-old male with one day history of worsening periumbilical pain migrating to the right lower quadrant.

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

Submit an answer for the current case


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 Case #110

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Unknown Case #109

 

Cuboid-navicular tarsal coalition

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

Unknown Case #108

 

Acute tibiotalar synovitis with hemarthrosis, in a patient with the underlying diagnosis of hemophilia.

Authors: Agustin Cardenas MD and Peter "Buzz" Marcovici MD, UCSF Benioff Children´s Hospital

Unknown Case #107

 

Twin reversed perfusion arterial sequence

Author: Mariana Meyers MD, Children's Hospital Colorado

Unknown Case #106

 

Chronic recurrent multifocal osteomyelitis (CRMO)

Author: Shahnaz Ghahremani MD, UCLA

Unknown Case #105

 

Enteric (duodenal) duplication cyst

Author: Maria A. Calvo-Garcia, MD, Cincinnati Children's Hospital Medical Center.

Unknown Case #104

 

Extra-renal rhabdoid tumor

Unknown Case #103

 

Klippel Trenaunay Syndrome

Unknown Case #102


Pigmented villonodular synovitis

Unknown Case #101

 

 Fishtail deformity

Unknown Case #100

Agenesis of corpus callosum, subependymal gray matter heterotopias, cyst at foramen of Luschka, and coloboma.

Unknown Cases 90 - 99

Unknown Case #99

Congenital meniscoid articular disc of the TFCC

Unknown Case #98

Interstitial pregnancy

 

 

 

 

 

Unknown Case #97

Gastric duplication cyst

Unknown Case #96

 

Neonatal onset multisystem inflammatory disease

Unknown Case #95

 Gastric duplication cyst

Unknown Case #94

Primary Sclerosing Cholangitis

Unknown Case #93

Morgagni hernia

 

Unknown Case #92

Kaposiform hemangioendothelioma 

 

 

Unknown Case #91

Teratoma

Unknown Case #90

Lipoid pneumonia 

 

Unknown Cases 80 - 89

Unknown Case #89

Congenital pulmonary airway malformation (CPAM), Type 1

Unknown Case #88

Multiple Hepatic Hemangioma

Unknown Case #87

Treacher-Collins Syndrome

 

Unknown Case #86

Androgen Insensitivity Syndrome

 

 

Unknown Case #85

Retroperitoneal Teratoma

Unknown Case #84

Hematoma

Unknown Case #83

Paget Schroetter Syndrome

Unknown Case #82

PHACES

Unknown Case #81

Tuberous Sclerosis

Unknown Case #80

Burkitt's lymphoma with intussusception

Unknown Cases 67 - 79

Unknown Case #79

Hepatic venoocclusive disease

 

Unknown Case #78

Cecal Volvulus

Unknown Case #77

CPAM - Hybrid congenital pulmonary malformation CCAM & sequestration

 

Unknown Case #76

Lemierre’s syndrome

 

Unknown Case #75

Gastric Bezoar

Unknown Case #74

Potter's Syndrome

Unknown Case #73

Amniotic Band Syndrome

 

Unknown Case #72

ARVD

 

 

Unknown Case #71

IBD related arthropathy

Unknown Case #70

Choroid Plexus Papilloma

 

Unknown Case #69

Unknown Case #68

Walker-Warburg Syndrome

Unknown Case #67

Congenital absence of the pericardium

2013-2014 Case Winners

Attending category

  • Clara Ortiz-Neira,  Alberta Children’s Hosp. - Calgary
  • Sniya Sudhakar,  Christian Medical College, Vellore, India


Fellow / Resident category

  • John Krol, University of Kentucky
  • Ammie White, Children’s Hospital of Pennsylvania
  • Mahmoud Zahra, Women & Children’s Hosp.-  Buffalo, NY

SPR's Unknown Case Team

  • Peter "Buzz" Marcovici, MD, Unknown Case Co-editor
  • Benjamin Taragin, MD, Web-editor and Unknown Case Co-editor
  • Mary B. Wyers, MD, Web-editor Emeritus