Table 1

 Classification of 1436 polyps removed colonoscopically and consecutively at McGill University Health Centre, Montreal, Canada between 1992 and 1994

DiagnosisRCLC/RUn siteTotal%
HP, hyperplastic polyp; LC/R, left colon/rectum; MP, mixed polyp; Other, hamartomatous, inflammatory or unclassified; RC, right colon; SA, serrated adenoma; SSA, variant hyperplastic polyp or sessile serrated adenoma; TA, tubular adenoma; TVA, tubulovillous adenoma; Un site, unknown site; VA, villous adenoma.
Mixed polyps include: HP/SA (1), HP/TA (2), HP/TVA (1), SSA/SA (3), SSA/TA (2), SSA/VA (1), SA/TVA (4), SA/VA (2).
TA18640212571350
TVA381283319914
VA1111131
HP392333030221
SSA12181312
MP592161
SA1161181
Other14410
1436100