J Korean Soc Laryngol Phoniatr Logoped.  2021 Aug;32(2):98-103. 10.22469/jkslp.2021.32.2.98.

A Case of Plasma Cell Mucositis Arising From the Larynx

  • 1Department of Otolaryngology-Head and Neck Surgery, College of Medicine, Dong-A University, Busan, Korea
  • 2Department of Pathology, College of Medicine, Dong-A University, Busan, Korea


Plasma cell mucositis is a very rare benign disease characterized by dense lymphoplasmacytic infiltration in the submucosa layer. It appears as a reddish ulcer on the mucous membrane or as a cobblestone or nodular mass on the affected mucosa. When it involves the pharynx or larynx, the patient presents with dysphagia, voice change and dyspnea. Clinically, it is important to differentiate with malignant diseases such as extramedullary plasmacytoma, amyloidosis and sarcodosis. Several cases of mucositis in the larynx have been reported in English literature, but none have been reported in Korea. We report a case of plasma cell mucositis in the larynx with a review of literature.


Plasma cells; Larynx; Mucositis; 형질 세포; 후두; 점막염
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