Pulmonary manifestation of systemic mast cell disease
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Updated: Oct 17, 2026

Analysis of Pulmonary Dendritic Cell Maturation and Migration during Allergic Airway Inflammation
Published on: July 23, 2012
Abstract:
Systemic mast cell disease is a rare disease of unknown aetiology. Systemic infiltration and proliferation of mast cells in skin, bone marrow, gastrointestinum and lymph nodes is the central pathological feature. This study reports a patient with mastocytosis of the skin (urticaria pigmentosa) for 10 yrs. The patient was referred to hospital for dyspnoea. Chest radiograph showed moderate reticular infiltration of both lungs, computerized tomography revealed multiple lymph nodes of the mediastinum and faint nodular lesions of middle and upper areas of lungs. Transbronchial biopsy demonstrated mast cell infiltration of the lung with formation of mast cell granuloma. According to the current literature, systemic mast cell disease with pulmonary involvement is a very rare entity. After a treatment with interferon alpha-2a over 6 months, the patient's condition and particularly dyspnoea showed improvement in parallel with an amelioration of the lesions as demonstrated by thorax computed tomography.
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