Key result
Lung cancer resection reveals rare primary pulmonary artery intimal sarcoma coexisting with pulmonary alveolar proteinosis.
Case Report (n=1)
No
This case report describes an extremely rare presentation of primary pulmonary artery intimal sarcoma originating in the peripheral lung, co-occurring with unclassified pulmonary alveolar proteinosis.
Peripheral pulmonary artery intimal sarcoma may mimic lung cancer; leaves open prognosis and surveillance for this rare subtype.
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Tanaka et al. (2025) conducted a case report in Primary pulmonary artery intimal sarcoma and pulmonary alveolar proteinosis (n=1). Video-assisted thoracoscopic right upper lobectomy was evaluated. Surgical resection of a suspected lung cancer in a 72-year-old man revealed a rare primary pulmonary artery intimal sarcoma of the peripheral lung coexisting with pulmonary alveolar proteinosis.
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