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The Korean Journal of Cytopathology 2000;11(1): 31-34.
Fine Needle Aspiration Cytology of Pulmonary Hamartoma: A Report of Two Cases.
Jeana Kim, Kyoung Mee Kim, Young Sill Kim, An hi Lee, Sang In Shim, Byung Kee Kim
Department of Clinical Pathology, College of Medicine, The Catholic University of Korea, Kyoung Ki-Do, Korea.
ABSTRACT
Pulmonary hamartoma is an uncommon benign tumor consisting of a mixture of loose fibromyxoid tissue, cartilage, fat, and cleft-like spaces lined by cuboidal or ciliated epithelium. Cytologically, the presence of a mesenchymal component is essential for the diagnosis of pulmonary hamartoma. We report the fine needle aspiration cytologic findings of two cases of pulmonary hamartoma. Case 1 was a 71-year-old woman with a mass, measuring 1.8X1.5 cm in the upper lobe of the right lung. Case 2 was a 51-year-old woman with a mass, measuring 2.3 x 2.0 cm in the lower lobe of the right lung. Fine needle aspiration cytology of both pulmonary masses revealed several sheets of loose fibromyxoid tissue fragments with focal cartilaginous differentiation and a few clusters of bland cuboidal epithelial cells on the bloody background. The diagnosis was histologically confirmed by needle biopsy.
Key Words: Pulmonary hamartoma; Fine needle aspiration cytology; Lung