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Oncology
intermediate
X-Type

Myxofibrosarcoma

Soft Tissue Sarcomas

A 68-year-old man presents with a slowly enlarging mass in his thigh that he first noticed 6 months ago. On examination, there is a 6cm soft, poorly defined mass in the subcutaneous tissue of the anterior thigh. MRI shows a heterogeneous mass with high T2 signal, "tail sign" extending along fascial planes, and infiltrative margins. Core needle biopsy confirms myxofibrosarcoma. Regarding myxofibrosarcoma:

Mark each as TRUE or FALSE

A

Myxofibrosarcoma is one of the most common soft tissue sarcomas in elderly patients (peak incidence ...

B

The "tail sign" on MRI represents extension of tumor along fascial planes and subcutaneous septa; th...

C

Myxofibrosarcoma is most common in young adults; it typically arises in the trunk; margins are well-...

D

Myxofibrosarcoma has the highest local recurrence rate of all soft tissue sarcomas (up to 50-60% wit...

E

Treatment is primarily surgical with wide excision; adjuvant radiotherapy is commonly used given the...

Answer the questions to see explanations

Click T (True) or F (False) for each option