Congenital stalked fibromatous polyp of the superior pole of the tonsil containing hairless sebaceous glands.
A polyp of the size of a small bean was discovered incidentally on the superior pole of the right tonsil of a 29-year-old man. Morphologically it bore a considerable resemblance to the immature infantile variant of the sebaceous-gland nevus, the Naevus epitheliomatosus sebaceus Wolters, but its top was mature. The polyp is viewed as a congenital dysontogenic tumor which, owing to its fibromatous basis, lack of hair, and its immature and mature sebaceous glands, may be informally classified as a "missing link" between the haired pharyngeal polyp and the pure pharyngeal fibroma.
D000328:Adult; D005350:Fibroma / Q000151:congenital / Q000473:pathology*; D006801:Humans; D008297:Male; D011127:Polyps / Q000151:congenital / Q000473:pathology*; D012627:Sebaceous Glands / Q000002:abnormalities; D014067:Tonsillar Neoplasms / Q000151:congenital / Q000473:pathology*