Histologic classification of sinonasal intestinal-type adenocarcinoma

Journal Article · Mon Apr 01 04:00:00 EST 1991 · American Journal of Surgical Pathology; (USA)

DOI:https://doi.org/10.1097/00000478-199104000-00005· OSTI ID:5837678

Franquemont, D W; Fechner, R E; Mills, S E ^[1]

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1. Univ. of Virginia Health Sciences Center, Charlottesville (USA)

Kleinsasser and Schroeder recently described a histologic classification system for woodworker-associated, intestinal-type adenocarcinomas of the sinonasal region. To determine if their approach is easily applied and prognostically meaningful for both woodworker-associated and sporadic intestinal-type adenocarcinomas in the sinonasal region, we analyzed 15 such cases. The 12 men and three women ranged in age from 37 to 75 years. Only four were woodworkers. All tumors arose in the nasal cavity or paranasal sinuses. The three authors independently classified the tumors with unanimous agreement in 11 (73%) of 15 cases. Disagreements were resolved by group review and consensus. Ten tumors were papillary tubular cylinder cell type; these were subdivided into grades I (four cases) and II (six cases) on the basis of cytologic atypia. Three tumors were alveolar goblet cell type; one tumor was signet-ring type; and one had a mixed pattern. Median survivals were papillary tubular I, 9 years; papillary tubular II, 3 years; and alveolar goblet cell, 7 years. It is concluded that this classification system is easy to apply, reproducible, and appears to identify a group of sinonasal intestinal-type adenocarcinomas (papillary tubular I) with a prolonged survival.

• OSTI ID: 5837678
• Journal Information: American Journal of Surgical Pathology; (USA), Journal Name: American Journal of Surgical Pathology; (USA) Vol. 15:4; ISSN 0147-5185; ISSN AJSPD
• Country of Publication: United States
• Language: English

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