Rectus abdominis muscle desmoid tumor

Case contributed by Dr Vitalii Rogalskyi

Presentation

Palpable painless lump of abdominal wall.

Patient Data

Age: 30 years
Gender: Female
CT

CT abdomen & pelvis

CT of the abdomen and pelvis demonstrates a solid lesion in the middle portion of the right rectus abdominis muscle with delayed enhancement. No abdominal, pelvic or inguinal lymphadenopathy.

Simple hepatic cyst noted.

Other organs are unremarkable.

Annotated image

Annotated image

Rectus abdominis muscle mass (red arrow) best seen in the delayed phase.

Case Discussion

The patient does not have any other pathology of the lungs (not shown here), abdomen or pelvis. So this mass has been resected. The diagnosis of desmoid tumor was confirmed histologically.

Desmoid tumor is benign which has a propensity for local invasion (aggressive type) and recurrence after resection, but does not metastasize.  One of the commonest locations is the anterior abdominal wall.

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Case information

rID: 65897
Published: 21st Jul 2019
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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