Primary B-cell malignant lymphoma of the lung.
A 52-year-old asymptomatic man was evaluated for two right lung lesions discovered on a chest roentgenogram during a routine physical examination. A computed tomographic scan revealed the absence of mediastinal nodal involvement. Guided-needle aspiration cytology was inconclusive. A subsequent right thoracotomy was necessary to perform biopsy of these masses, which proved to be B-cell malignant lymphomas of the lung. This case represents a rare example of a primary low-grade B-cell pulmonary lymphoma of mucosa-associated lymphoid tissue, with its distinct clinicopathologic features.
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Section of Cardiothoracic Surgery, Dartmouth Medical School, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire.
D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D016393:Lymphoma, B-Cell / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery; D008297:Male; D008875:Middle Aged