Primary Pulmonary Mucosa-Associated Lymphoid Tissue Lymphoma with a Nodular Opacity: Report of a Case

Journal of Nippon Medical School = Nippon Ika Daigaku Zasshi
Naoyuki YoshinoMasaru Hosone

Abstract

Herein, we describe our experience in treating a case of primary pulmonary mucosa-associated lymphoid tissue lymphoma detected as a nodular opacity. A 79-year-old man was referred to our hospital. Computed tomography showed a nodular opacity measuring 20 mm in diameter with regular margins in segment 5 of the right middle lobe of the lung. Although the bronchoscopic brush cytology result was class III, the patient was tentatively diagnosed with suspected mucosa-associated lymphoid tissue lymphoma. A thoracoscopic right middle lobectomy was performed. The pathological findings showed nodular proliferation of small to medium-sized, mature-appearing atypical lymphoid cells, lymphoepithelial lesions, and vague follicles suggesting follicular colonization in some areas. The patient was diagnosed with low-grade small B-cell lymphoma and mucosa-associated lymphoid tissue lymphoma. He has remained well to date, 23 months after surgery, without evidence of recurrence.

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Citations

Apr 15, 2021·Respiratory Medicine Case Reports·Adeel NasrullahAhmad Alhajhusain

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