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Pulmonary sclerosing hemangioma. Report of a case with diagnosis by fine needle aspiration.
Authors:L T Chow  S K Chan  W H Chow  M S Tsui
Institution:Institute of Pathology, Queen Elizabeth Hospital, Kowloon, Hong Kong.
Abstract:Sclerosing hemangioma is a rare but well-recognized benign lesion of the lung. We report a case of pulmonary sclerosing hemangioma correctly diagnosed by fine needle aspiration (FNA) cytology. The sharp and smooth contour of the discrete mass in the left lower zone of the chest roentgenogram raised the possibility of a benign lesion, including pulmonary sclerosing hemangioma. The characteristic "blood spaces" with surrounding regular, bland polygonal tumor cells in the FNA smears provided an essential clue to the diagnosis of sclerosing hemangioma. It was confirmed by Surecut biopsy of the lesion. The patient remained well one year after the investigation and was spared an unnecessary diagnostic thoracotomy. The cytologic features and differential diagnoses of pulmonary sclerosing hemangioma are discussed. Besides delineating the cytologic characteristics of pulmonary sclerosing hemangioma, this case illustrates the importance of a careful clinicopathologic correlation, which should be exercised by the cytopathologist in all instances.
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