Soft Tissue Tumors
A 55-year-old man presents with a painless mass in his right thigh that has grown slowly over 6 months. On examination, there is a 10cm deep, fixed mass in the anterior thigh. MRI shows a well-defined intramuscular mass with heterogeneous signal and areas of fat signal. Core needle biopsy confirms a high-grade pleomorphic liposarcoma. CT chest, abdomen, and pelvis shows no evidence of metastatic disease. Regarding soft tissue sarcomas:
Mark each as TRUE or FALSE
Soft tissue sarcomas (STS) are rare, accounting for less than 1% of adult malignancies; more than 50...
MRI is the imaging of choice for local staging showing tumor extent, relationship to neurovascular s...
STS commonly metastasize to lymph nodes like carcinomas; superficial location is more concerning tha...
AJCC staging incorporates tumor grade (most important prognostic factor), size (T1 less than 5cm, T2...
Treatment: wide local excision with negative margins (1-2cm or a fascial barrier) is the goal; limb ...
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Click T (True) or F (False) for each option