Which of the following head and neck tumor has the worst prognosis?
Correct Answer: Adenoid cystic carcinoma
Description: Adenoid Cystic Carcinoma (Cylindroma) This is a highly malignant tumor due to its typical infiltrative nature, especially along the nerve sheaths. Adenoid cystic carcinoma is histologically characterized by cribriform appearance i.e. the epithelial tumor cells of duct-lining and myoepithelial cells are arranged in duct-like structures or masses of cells, having typical fenestrations or cyst-like spaces and hence the name 'adenoid cystic'. These cystic spaces contain PAS-positive basophilic material has a bad prognosis Ref: TEXTBOOK OF PATHOLOGY 6th EDITION - HARSH MOHAN PAGE NO: 537
Category:
Pathology
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