CASE NUMBER 607

Clinical History (continued, click here): A low dose CT is obtained as shown below.


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607-3. What is the diagnosis?

ANSWER

 

607-4. Which of the following is the most likely composition of the radiographic feature indicated by the arrow on the radiograph?

  1. Ammonium magnesium phosphate
  2. Calcium
  3. Cystine
  4. Uric acid

ANSWER