ArticleRadiology case reports2026
B-cell lymphoblastic lymphoma masquerading as primary dacryocystitis: A case report.
Article in Radiology case reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Primary B-cell lymphoblastic lymphoma (B-LBL) of the lacrimal drainage system is exceptionally rare and diagnostically challenging. A 45-year-old man presented with left eyelid swelling, epiphora, medial canthal erythema, and a palpable mass in the lacrimal sac area. Imaging revealed an invasive mass with bone erosion and focal hypermetabolism (SUVmax 5.0). Although the initial clinical impression favored a chronic inflammatory process, the aggressive radiographic features raised suspicion of malignancy, prompting complete surgical resection of the involved lacrimal drainage system. The diagnosis of B-LBL was subsequently confirmed by histopathological examination and lymphocyte gene rearrangement studies. This case highlights a unique presentation of B-LBL in the lacrimal drainage system and demonstrates that B-LBL can mimic inflammatory conditions such as dacryocystitis. It underscores the importance of considering this malignancy in the differential diagnosis of atypical lacrimal masses.
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