True regarding desmoid tumours – Pathology MCQ

All are true regarding desmoid tumours except?
A. Consist of large infiltrative masses that do not metastasize
B. Most frequent in old age
C. Mutations occur in the APC gene
D. Predominantly seen in women

Correct answer : B. Most frequent in old age

Desmoid tumour – MRI pelvis

• Desmoid tumours are commonly seen in the teens to thirties age group.
• They are also known as deep fibromatoses.
• They usually arise from the musculoaponeurotic structures in the anterior abdominal wall.
• Recurrence can occur, but metastasis does not occur.
• More common in women.

Ref: Robbins & Cotran, Pathologic basis of disease, South Asia edition, Vol 2, p1222.
Image credits: https://en.wikipedia.org/wiki/File:MRI_desmoid_T1_fl2d_FS.jpg