Question:
Regarding desmoid tumour, which is not correct?
Regarding desmoid tumour, which is not correct?
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What is the main treatment of a desmoid tumour, surgery or radiation?
Updated On: Jun 24, 2026
- Often seen below the umbilicus
- Unencapsulated
- More common in women
- Highly radiosensitive
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The Correct Option is D
Solution and Explanation
Step 1: A desmoid tumour is an aggressive (musculoaponeurotic) fibromatosis, a monoclonal fibroblastic proliferation arising in musculoaponeurotic structures, commonly the anterior abdominal wall below the umbilicus and more often in women of childbearing age.
Step 2: Histologically it consists of bland spindle cells in a collagenous matrix and is poorly circumscribed and unencapsulated, so it infiltrates locally and recurs, although it does not metastasise. This makes options a, b and c correct.
Step 3: Desmoids are NOT highly radiosensitive; the mainstay of treatment is wide surgical excision, with radiotherapy reserved as adjuvant or for unresectable disease. Hence the incorrect statement is option d.
Step 2: Histologically it consists of bland spindle cells in a collagenous matrix and is poorly circumscribed and unencapsulated, so it infiltrates locally and recurs, although it does not metastasise. This makes options a, b and c correct.
Step 3: Desmoids are NOT highly radiosensitive; the mainstay of treatment is wide surgical excision, with radiotherapy reserved as adjuvant or for unresectable disease. Hence the incorrect statement is option d.
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