Dysplastic and malignant areas in hyperplastic polyps of the large intestine.
The clinical and pathological findings in a patient with 3 adenocarcinomas of the colon, 16 pure hyperplastic polyps, 1 hyperplastic polyp with adenomatous elements and 1 hyperplastic polyp with malignant transformation to adenocarcinoma within an area of adenomatous dysplasia are described. The possibility of neoplastic transformation of hyperplastic polyps is discussed.
Teoh
H H
HH
Department of Laboratory Services, Wellington Hospital, New Zealand.
Delahunt
B
B
Isbister
W H
WH
D000230:Adenocarcinoma / Q000473:pathology*; D000368:Aged; D003110:Colonic Neoplasms / Q000473:pathology*; D003111:Colonic Polyps / Q000473:pathology*; D006801:Humans; D006965:Hyperplasia / Q000473:pathology; D008297:Male; D009378:Neoplasms, Multiple Primary / Q000473:pathology*