Rectus abdominis desmoid tumor

Case contributed by Dr Michael P Hartung

Presentation

Slow growing abdominal wall mass over 2 years.

Patient Data

Age: 30 years
Gender: Female
CT

Large bilobed mass centered on the left rectus abdominis muscle. 

Incidental left ovarian cyst. 

Case Discussion

Pathology proven desmoid tumor of the rectus abdominis muscle. 

Differential diagnosis would include desmoid, endometrioma (if cesarean section scar or port site), inflammatory pseudotumor, metastasis, lymphoma, polymyositis, abscess and hematoma. Given the size and history of slow growth in a young woman, desmoid is the most likely diagnosis. This was confirmed with percutaneous biopsy and surgically excised. 

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Case information

rID: 74764
Published: 4th Mar 2020
Last edited: 5th Mar 2020
Inclusion in quiz mode: Included
Institution: Tenwek Hospital

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