ARDMS AB-Abdomen Exam - Topic 2 Question 2 Discussion

Actual exam question for ARDMS's AB-Abdomen exam

Question #: 2
Topic #: 2

[All AB-Abdomen Questions]

Which retroperitoneal finding is most likely associated with trauma?

ANeuroblastoma

BFibrosis

CUrinoma

DAdenoma

Show Suggested Answer

Suggested Answer: C

Urinomas are collections of urine in the retroperitoneum that result from trauma, surgery, or obstruction causing urine leakage. Trauma is a frequent cause of urinoma formation due to disruption of the urinary tract.

According to Rumack's Diagnostic Ultrasound:

''Urinomas may develop as a complication of trauma, surgery, or obstructive uropathy with urinary extravasation into the retroperitoneum.''

Rumack CM, Wilson SR, Charboneau JW, Levine D. Diagnostic Ultrasound. 5th ed. Elsevier, 2017.

AIUM Practice Parameter for Renal Ultrasound, 2020.

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by Winfred at Nov 23, 2025, 06:57 PM

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Luisa

2 months ago

But fibrosis isn't directly linked to trauma like urinoma is.

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Dion

2 months ago

I feel like B) Fibrosis could be a trick option.

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Quentin

2 months ago

Definitely C) Urinoma. It's a common post-trauma finding.

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Annelle

2 months ago

I'm torn between C and A. Neuroblastoma is rare though.

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Mira

2 months ago

Agreed! Urinoma makes sense after an injury.

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Tresa

2 months ago

I think it's C) Urinoma. Trauma can cause urine leaks.

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Karina

3 months ago

I didn't know Urinoma was linked to trauma like that!

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Marti

3 months ago

C is the most common, no doubt!

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Maia

3 months ago

Wait, are we sure about that? Sounds off.

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Sharmaine

4 months ago

C) Urinoma is the way to go. Trauma is most likely to cause a leak or collection of urine in the retroperitoneal space.

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Magnolia

4 months ago

Haha, I bet the answer is C) Urinoma. That's the only one that doesn't sound like a fancy name for a medical condition.

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Lai

4 months ago

I'm going with C) Urinoma. It's the only option that seems directly related to a traumatic injury in the retroperitoneal area.

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Rueben

4 months ago

Definitely C) Urinoma. Trauma can cause a rupture in the urinary system, leading to a urinoma in the retroperitoneal space.

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Cherelle

4 months ago

I’m really unsure about this one. Neuroblastoma doesn’t seem like it fits with trauma, but I could be wrong.

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Anastacia

4 months ago

I’m leaning towards urinoma as the answer, but I’m not confident. Fibrosis seems more chronic, right?

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Lenita

5 months ago

I feel like we practiced a question similar to this, and I think it was about retroperitoneal hematomas being associated with trauma.

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Alex

5 months ago

I feel pretty confident about this one. Retroperitoneal trauma often leads to urine leakage and the formation of a urinoma. That's gotta be the best answer here.

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Arlyne

5 months ago

Okay, let's see. Neuroblastoma and adenoma are tumors, so those are less likely. Fibrosis is more of a chronic process. I'm going to go with C) urinoma.

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