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Long-term control of laryngeal plasma cell mucositis with systemic immunosuppression

Triplett, J., Hee, G., McLean-Tooke, A. and Lucas, M. (2018) Long-term control of laryngeal plasma cell mucositis with systemic immunosuppression. BMJ Case Reports .

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Plasma cell mucositis (PCM) is a rare non-neoplastic plasma cell proliferative disorder of the mucous membranes, which typically presents as soft tissue lesions involving oral, upper airway or genital mucosa. Laryngeal involvement resulting in stridor has been reported in four other cases previously, with three requiring tracheostomy. We present a case of supraglottic stenosis in a 53-year-old woman presenting with dysphonia and stridor, requiring surgical resection on three occasions accompanied by tracheostomy on two occasions; biopsy was consistent with PCM. Due to relapsing disease activity, high-dose prednisolone and mycophenolate mofetil were commenced with prednisolone eventually being ceased. After 2 years of mycophenolate mofetil therapy, the patient’s disease has been controlled without need for further surgical intervention. This is the first reported case of prolonged symptomatic improvement with the use of systemic immunosuppressive therapy with mycophenolate mofetil in PCM.

Item Type: Journal Article
Murdoch Affiliation: Institute for Immunology and Infectious Diseases
Publisher: BMJ Publishing Group
Copyright: © 2018 by the BMJ Publishing Group Ltd.
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