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Pathology Consultation Nonsquamous Carcinomas of the Larynx

Nonsquamous carcinomas make up fewer than 1 % of all epithelial malignancies of the larynx. The majority are subsurface in origin and arise from seromucous glands of the larynx. Adenoid cystic carcinoma is not only representative of this group, it is the most prevalent. All other salivary-type carcinomas are rare. Rarer still are surface adenocarcinomas. Neuroendocrine carcinomas appear to constitute the majority of so-called laryngeal adenocarcinomas.