Vascular Tumors
A 72-year-old woman presents with a rapidly enlarging purple-red nodular mass on her left arm. She has a history of mastectomy with axillary clearance and radiotherapy for breast cancer 15 years ago. She has had chronic lymphedema of the left arm since her treatment. Biopsy shows an infiltrative tumor with vascular channel formation and atypical endothelial cells lining these channels. Regarding angiosarcoma:
Mark each as TRUE or FALSE
Angiosarcoma is a rare malignant tumor of vascular endothelial cells; it accounts for less than 2% o...
Histologically, angiosarcoma shows malignant endothelial cells forming irregular, anastomosing vascu...
Angiosarcoma is a common tumor arising from smooth muscle; it is never associated with radiation or ...
Treatment involves wide surgical resection when possible, often requiring extensive margins due to t...
Prognosis is generally poor with 5-year survival rates of 10-35%; local recurrence and distant metas...
Answer the questions to see explanations
Click T (True) or F (False) for each option