ArticleFrontiers in oncology2025
Rosai-Dorfman disease mimicking lung cancer: a case report.
Article in Frontiers in oncology, 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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Abstract
Background: Rosai-Dorfman disease (RDD) is an uncommon, benign histiocytic condition with an unclear underlying cause. It typically manifests as painless, bilateral, and significantly enlarged cervical lymph nodes. However, extranodal involvement can also occur, affecting the skin, nasal cavity, bones, orbital tissues, and central nervous system (CNS). Moreover, involvement of the respiratory system is observed in approximately 2% of cases. Case description: A 75-year-old female was admitted to our hospital with a one-week history of lumbar and back pain. Chest computed tomography (CT) identified a nodule located in the lung upper right lobe, characterized by spiculated margins and proximal bronchial atresia, raising suspicion for lung cancer. The patient subsequently underwent thoracoscopic lobectomy. Postoperative histopathological examination and immunohistochemical analysis confirmed the diagnosis of RDD. Conclusion: Pulmonary RDD is rare and can be easily mistaken for other tumors or inflammatory diseases because of its nonspecific clinical and radiological features. Definitive diagnosis requires histopathological evaluation and immunohistochemical analysis.
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