A benign epithelial skin tumor composed of a frond-like outgrowth of squamous epithelium covering central fibrovascular cores is called
A. adenoma
B. fibroadenoma
C. papilloma
D. rhabdomyoma
E. squamous cell carcinoma
C
Exophytic squamous cell tumors of the skin or transitional cell urinary bladder tumors are called papillomas (i.e., appear nipple-like; the term is derived from the Latin word papilla, or nipple). Adenomas and fibroadenomas are tumors composed of glandular epithelium. A rhabdomyoma is a mesenchymal tumor composed of striated muscle cells and not an epithelial neoplasm. Squamous cell carcinoma is an epithelial tumor but is malignant in contrast to papilloma.
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Fill in the blank(s) with the appropriate word(s).
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