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Eur J Cardiothorac Surg 2004;25:652-654
© 2004 Elsevier Science NL

Case report

A rare cause of hemoptysis: benign sugar (clear) cell tumor of the lung

Division of Respiratory Diseases, University of São Paulo School of Medicine, São Paulo, Brazil

Received 30 November 2003; received in revised form 7 January 2004; accepted 12 January 2004.

^* Corresponding author. Address: Av Dr Eneas de Carvalho Aguiar, 255, 7 andar, Sala 7079, Bairro Cerqueira Cesar, CEP 05403-900, São Paulo, Brazil. Tel.: +55-11-3083-2310; fax: +55-11-3064-5374
e-mail: alfredonicodemos{at}hotmail.com

A case of benign sugar (clear) cell tumor of the lung with an unusual clinical presentation and its evaluation with computed tomography are reported. A 48-year-old man presented with one episode of hemoptysis. Chest radiographs revealed a round nodule in the lower left lung lobe, and fiberoptic bronchoscopy was normal. On the computed tomography scans, the nodule showed intense post-contrast enhancement (74.7 Hounsfield units). The patient underwent a left thoracotomy, and a segmentectomy was performed. Pathologic examination showed a benign sugar cell tumor of the lung. The patient is alive and has remained free of disease for the last 2 years. To the best of our knowledge, this is the first case report of sugar cell tumor located in lung parenchyma that presented with hemoptysis and the second report of the contrast-enhanced computed tomography findings in this neoplasm.

Key Words: Clear cell tumor • Contrast-enhanced computed tomography • Hemoptysis • Solitary pulmonary nodule • Sugar cell tumor

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