A Case of Pulmonary Diffuse Intermediate-sized Cell Type Malignant Lymphoma Derived from Bronchus-associated Lymphoid Tissue.

概要

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A 75-year-old woman was admitted because of an abnormal lung shadow. Chest X-P films showed a poorly defined tumor shadow with an air bronchogram. Pseudolymphoma was suspected from the results of transbronchial lung biopsy and right upperlobectomy was performed. The pathological findings showed proliferative centrocytelike cells forming lymphoepithelial lesion, plasma cells and follicles, suggesting diffuse intermediate-sized cell type malignant lymphoma derived from bronchus-associated lymphoid tissue. Investigation of cytoplasmic immunoglobulins revealed monoclonality to Ig G and λ in the proliferative cells, confirming the diagnosis. We reported the present case because of the extreme rarity of the disease.
特定非営利活動法人日本肺癌学会の論文