Flashcards on Radiology of Retroperitoneal and Urogenital Pathologies

Radiology of Retroperitoneal & Urogenital Pathologies

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What are the two benign pancreatic/renal-related lesions mentioned at the start of the content?

Islet cell tumors (insulinoma) and serous cystadenomas.

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Renal disease & urinary tract pathology

60 cards

Card 1

Question: What are the two benign pancreatic/renal-related lesions mentioned at the start of the content?

Answer: Islet cell tumors (insulinoma) and serous cystadenomas.

Card 2

Question: How can renal cysts be classified based on appearance?

Answer: 1) Simple renal cyst 2) Complex/atypical renal cyst.

Card 3

Question: How can renal cysts be classified based on location?

Answer: 1) Renal cortex (exophytic renal cyst) 2) Renal sinus (parapelvic and peripelvic cysts) 3) Medulla.

Card 4

Question: What other name is used for an atypical renal cyst and what does it imply?

Answer: AKA complex or not simple; it does not meet all criteria for a simple cyst and may have features suggesting complication or malignancy.

Card 5

Question: List ultrasound or clinical findings that make a renal cyst 'atypical' or suspicious.

Answer: Septated or multilocular, wall calcification, irregular walls, or a solid mass within the cystic area (suspicious for malignancy).

Card 6

Question: What are two causes of atypical cyst appearance mentioned and their associated lab or US findings?

Answer: 1) Infected cyst: increased WBC count, fever/chills, US shows internal echoes. 2) Hemorrhagic cyst: decreased hematocrit, hematuria, pain, US shows lo

Card 7

Question: What are parapelvic and peripelvic cysts and which category do they fall under?

Answer: They are cysts located in the renal sinus region and are classified under renal cysts by location (renal sinus - parapelvic/peripelvic cysts).

Card 8

Question: Name conditions that can mimic hydronephrosis (false-positive hydronephrosis).

Answer: Extrarenal pelvis, parapelvic and peripelvic cysts, prominent renal vein, and overdistention of the urinary bladder.

Card 9

Question: Define hydronephrosis (obstructive uropathy).

Answer: Dilation of the renal collecting system secondary to obstruction of normal urine flow, with dilation proximal to the level of obstruction; if untreate

Card 10

Question: What are common signs and symptoms of hydronephrosis?

Answer: Flank pain, hematuria, and bladder symptoms from prostate enlargement.