title: Primary mucinous carcinoma of buccal mucosa: a rare case report.
abstract: Minor salivary gland tumors of oral cavity are very rarely encountered in day-to-day practice. Mucinous adenocarcinoma is very rare, and is commonly seen in elderly males. Palate and buccal mucosa is the commonest site. Wide local excision is the treatment. Histology shows tumor cells floating in pools of mucin, compartmentalized by fibrous tissue. Metastasis is a close mimicker, however with an evidence of negative scan and minor salivary gland proliferation in adjacent tissue diagnosis can be made. Mucin stains and immunohistochemistry can be used to support the diagnosis in problematic cases. We are presenting a rare case of mucinous adenocarcinoma-cheek in a 54-year-old male who came with gradually progressive swelling in the left buccal mucosa since 3 months and after wide excision, no evidence of recurrence was noted in 1 year and 3 months of follow up period.
authors.affiliation: Department of Pathology, K S Hegde Medical Academy of Nitte University, Deralakatte, Mangalore, Karnataka India.
authors.forename: Shubha P
authors.initials: SP
authors.lastname: Bhat
authors.affiliation: Department of Pathology, K S Hegde Medical Academy of Nitte University, Deralakatte, Mangalore, Karnataka India.
authors.forename: Kishan H L
authors.initials: KH
authors.lastname: Prasad
authors.affiliation: Department of Otorhinolaryngology, K S Hegde Medical Academy of Nitte University, Mangalore, Karnataka India 575018.
authors.forename: Vadisha Srinivasa
authors.initials: VS
authors.lastname: Bhat
authors.affiliation: Department of Otorhinolaryngology, K S Hegde Medical Academy of Nitte University, Mangalore, Karnataka India 575018.
authors.forename: Rajeshwary
authors.initials: R
authors.lastname: Aroor
keywords: Buccal mucosa; Minor salivary gland; Mucinous adenocarcinoma; PAS