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The Korean Journal of Cytopathology 1998;9(2): 193-200.
Fine Needle Aspiration Cytology of the Sclerosing Hemangioma of the Lung: A Report of Five Cases.
Ji Young Kim, Yong Hee Lee, Kwang Gil Lee
Department of Pathology, Yonsei University, College of Medicine.
Sclerosing hemangioma is a rare, benign neoplasm of the lung, usually presented as a solitary pulmonary nodule in an otherwise asymptomatic middle-aged woman. Cytologically it shows papillary, sheet, and cyst-like arrangements representing three main histologic patterns of papillary, solid, and angiomatous ones, respectively. Herein, we report the fine needle aspiration cytology of 5 cases of sclerosing hemangioma of the lung. The most characteristic finding is cyst-like spaces intimately related to the papillary or solid cell nests. The tumor cells are relatively monotonous, round to oval, small to medium in size. They have small amount of eosinophilic cytoplasm. The nuclei are uniform, round and have small but conspicuous nucleoli. The tumor cells in one of the presenting cases are large with abundant cytoplasm and show moderate nuclear pleomorphism. The nuclear chromatin, however, is fine and even without exception, even in the case showing nuclear pleomorphism. Major differential diagnoses based on the cytologic findings are well-differentiated papillary adenocarcinoma, bronchioloalveolar carcinoma, and carcinoid tumor.
Key Words: Sclerosing hemangioma; Lung; Fine needle aspiration cytology