Pelvic digit

Case contributed by Dr Dalia Ibrahim

Presentation

History of right ureter stone removal and ureter catheter. Incidental finding on CT KUB. No history of recent or remote trauma.

Patient Data

Age: 40-year-old
Gender: Male
CT

The CT image showed the well-corticated finger like bony protuberance (pelvic digit) with multiple pseudoarticulations arising from the left iliac wing extending inferiorly and anteriorly towards the anterior abdominal wall.

L5 first degree lytic spondylolithesis.

Right lower calyceal renal stone. 

Case Discussion

Pelvic digit (also known as a pelvic rib or pelvic finger) is a rare congenital abnormality where there is development of bony tissue in the soft tissue pelvis (and less commonly in the abdomen). They can be associated with one or more pseudo-articulation. They are usually unilateral.

Differential diagnosis

General imaging differential considerations include:

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Case information

rID: 42377
Case created: 18th Jan 2016
Last edited: 18th May 2017
Inclusion in quiz mode: Included

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