Cardiac
GI
Bone
GU
Neuro
Peds
Faculty
Student
Quizzes
Image DDX
Museum
Mobile
  Misc
Videocasts
Signs
Twitter

 

 

Learning
Radiology:
Recognizing
the Basics
Available
on the Kindle
and IPad

LearningRadiology Imaging Signs
on Twitter

  

Follow us on

Case of the Week 578



What is the most likely diagnosis?

  • 36 year-old female with flank pain



Left Kidney-Contrast-Enhanced CT Urogram

  1. Hydronephrosis
  2. Renal Cell Carcinoma
  3. Xanthogranulomatous Pyelonephritis
  4. Cystic Nephroma
  5. Staghorn calculus

Additional Image - Axial contrast-enhanced CT of the upper abdomen

 

Additional Images

 


Axial contrast-enhanced CT of the upper abdomen


Answer:

 

4.Cystic Nephroma

 

More (Click Discussion Tab)

 

 

Cystic Nephroma

General Considerations

  • Rare, unilateral multi-loculated cystic tumor lacking blastemal elements
  • Solitary, well-circumscribed
  • Non-communicating fluid-filled locules, surrounded by thick, fibrous capsule
  • Do not connect to the collecting system
  • Usually quite large (mean 7.6 cm by 9.7 cm)
  • Most common in lower pole
  • Bimodal occurrence
    • Affects males more often in childhood ( 3 months-4 years)
      • 50% cystic nephromas and 50% CPDN (see below)
    • Females more frequently in adulthood (>30)

MORE . . .

 


.

This Week
36 year-old female with flank pain
 
 
Some of the fundamentals of interpreting chest images
 
The top diagnostic imaging diagnoses that all medical students should recognize according to the Alliance of Medical Student Educators in Radiology
 
Recognizing normal and  key abnormal intestinal gas patterns, free air and abdominal calcifications
 
Recognizing the parameters that define a good chest x-ray; avoiding common pitfalls
 
How to recognize the most common arthritides




LearningRadiology
Named Magazine's
"25 Most Influential"

See Article on LearningRadiology
in August, 2010
RSNA News

LearningRadiology.com
is an award-winning educational website aimed primarily at medical students and radiology residents-in-training, containing  lectures, handouts, images, Cases of the Week, archives of cases, quizzes, flashcards of differential diagnoses and “most commons” lists, primarily in the areas of chest, GI, GU cardiac, bone and neuroradiology.