Fine-needle aspiration cytology of an unusual primary lung tumor, chondrosarcoma: Case report

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Abstract
A case of primary chondrosarcoma of the lung diagnosed by fine-needle aspiration biopsy (FNAB) cytology in a 78-yr-old male is presented. A mass detected on chest x-ray and defined by CT scan was subjected to a preoperative percutaneous fine-needle aspiration under fluoroscopic guidance. The distinctive cytologic features of pleomorphic cells nestled in lacunae surrounded by a chondromyxoid background resulted in a diagnosis of chondrosarcoma. The left upper lobectomy specimen confirmed the FNAB diagnosis and identified the tumor as arising from the left upper lobe bronchus.