Pulmonary intravascular large B-cell lymphoma accompanying synchronous primary pulmonary adenocarcinoma and benign interstitial lesions.

We report a rare case of pulmonary IVLBCL accompanying lung cancer and interstitial lesions. A 73-year-old man with a history of pneumonia underwent a follow-up examination. Computed tomography revealed diffuse, bilateral ground-glass opacities (GGO) with a partial solid mass. Histologically, the mass consisted of adenocarcinoma. However, two other types of interstitial lesions were scattered throughout the resected lung: 1) peribronchovascular thickening with the aggregation of macrophages and anthracosis, and 2) alveolar septal thickening in the centrilobular area with atypical CD20-positive large cells in the capillaries. These two types of lesions were not mixed. Computed tomography and positron emission tomography demonstrated no other organ involvement. The patient was considered to have the synchronous occurrence of pulmonary IVLBCL and lung cancer (adenocarcinoma). After R-CHOP therapy, GGO on CT disappeared. Lung cancer often accompanies benign background lesions, and the combination of these lesions with lung cancer may make it difficult to detect the presence of pulmonary IVLBCL. However, the histological distribution pattern of IVLBCL may be a clue to the correct diagnosis. PMID: 31391407 [PubMed - as supplied by publisher]
Source: Journal of Clinical and Experimental Hematopathology : JCEH - Category: Hematology Tags: J Clin Exp Hematop Source Type: research

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Publication date: Available online 19 October 2019Source: Practical Radiation OncologyAuthor(s): Barry S. Rosenstein
Source: Practical Radiation Oncology - Category: Cancer & Oncology Source Type: research
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Source: Clinical Lymphoma Myeloma and Leukemia - Category: Cancer & Oncology Source Type: research
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Source: Acta Pharmaceutica Sinica B - Category: Cancer & Oncology Source Type: research
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Source: Acta Pharmaceutica Sinica B - Category: Cancer & Oncology Source Type: research
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Source: Acta Pharmaceutica Sinica B - Category: Cancer & Oncology Source Type: research
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Source: Medicine - Category: Internal Medicine Tags: Research Article: Clinical Case Report Source Type: research
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