ArticleCancers2025
Clinicopathological Features and Pathogenesis of Thymoma Complicated with Alopecia Areata: A Multicenter, Matched Case Analysis.
Article in Cancers, 2025. 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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12 authors.
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Abstract
backgroundThymoma is a malignant tumor originating from the thymic epithelium and can be associated with over 100 paraneoplastic syndromes (PNSs). Due to the low incidence of thymoma and the relative rarity of alopecia areata (AA) as an associated autoimmune disease, patients with thymoma combined with AA are relatively uncommon in clinical practice. As a result, the clinicopathological features and pathogenesis of such patients have been rarely investigated.
methodsThis study retrospectively analyzed the clinical records of thymoma patients who underwent surgical treatment at Peking Union Medical College Hospital and Beijing Tongren Hospital from August 2014 to July 2019, with a focus on the clinicopathological features of thymoma patients with AA. Propensity score matching (PSM) was employed to create a 1:5 matched comparison group with thymoma patients without AA.
resultsA total of 428 thymoma patients were included, among which 9 had AA. Using PSM, we matched 45 control patients without AA based on age and gender. The analysis revealed that thymoma patients with AA had a significantly higher proportion of myasthenia gravis (MG) [100.00% (9/9) vs. 66.67% (30/45),
conclusionsWe hypothesize that the pathogenesis of thymoma with AA differs from that of thymoma with MG, though there may be a correlation. The etiology of thymoma with AA may be attributed to abnormal autoimmune CD8
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