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Case of the Week 438




What is the most likely diagnosis?

  • 23 year-old with slowly enlarging testicular mass



Ultrasound Images of Right Testicle

  1. Choriocarcinoma
  2. Lymphoma
  3. Epidermoid cyst
  4. Epididymitis
  5. Heterotopic spleen

Additional Image - Ultrasound images of left testicle

 

 

Additional Images

 

Ultrasound Images of Left Testicle

 


Answer:

.


3. Epidermoid Cyst

.

.

More (Click Discussion Tab)


Epidermoid Cyst

 

General Considerations

  • Rare testicular lesion accounting for 1-2% of testicular tumors
  • Benign testicular tumor with no malignant potential 
  • Most commonly, this lesion occurs in the 2nd-4th decades of life

 

MORE . . .


.

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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.