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The Korean Journal of Pathology 1989;23(3): 355-358.
Fine Needle Aspiration Cytology of Pulmonary Hamartoma: 3 cases.
Na Hye Myong, Kyung Ja Cho, Ja June Jang
Department of Anatomical Pathology, Korea Cancer Center Hospital, Seoul, Korea.
ABSTRACT
Fine needle aspiration cytology of three cases of pulmonary hamartoma is presented. Case 1 was in a 67-year-old man with a 7 cm-sized left lung mass. Case 2 and 3 were in 47 and 53 year old females and consisted of 3 cm and 2 cm-sized right lung nodules, respectively. Fine needle aspiration of the masses revealed several fragments of irregularly shaped mature hyaline cartilage or fibromyxoid mesenchyme and sheets of benign epithelial cells in scanty to acellular background. Also scattered were inflammatory cells including lymphocytes, neutrophils and histiocytes and mature fat cells. These features were diagnostic for pulmonary hamartoma and case 1 was histologically confirmed by following surgical excision of the mass. Differential diagnoses about pulmonary hamartoma in the respect of conditions capable of producing cartilage on fine needle aspiration, were discussed.
Key Words: Pulmonary hamartoma; Fine needle aspiration cytology