Year : 2016  |  Volume : 9  |  Issue : 4  |  Page : 537-540

Pulmonary sarcomatoid carcinoma: An uncommon entity in a 40 years female

Department of Pulmonary Medicine, R. G. Kar Medical College, Kolkata, West Bengal, India

Correspondence Address:
Sayantan Saha
136 Parmar Road, Gita Bhawan, Flat No. 202, P.O. Bhadrakali, Hooghly - 712 232, West Bengal
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0975-2870.186067

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A middle-aged female presented with nonpleuritic chest pain with progressive dyspnea and unmeasured weight loss and anorexia for last 4 months. The patient had pallor, clubbing, but no peripheral lymphadenopathy. Clinically, vesicular breath sound was diminished over anterior, posterior, and lateral aspect of the right hemithorax with a dull note on percussion. Chest radiography showed homogenous opacity involving the right hemithorax with blunting of right costophrenic angle without contralateral shifting of the lower mediastinum. Contrast-enhanced computed tomography (CT) thorax revealed a large mixed density mass lesion occupying the entire right hemithorax with peripheral contrast enhancement. The lesion narrowed the right pulmonary artery and insinuated the adjacent mediastinum, but no evidence of pleural nodularity. CT guided fine-needle aspiration cytology from the mass was inconclusive. Tru-cut biopsy from the mass showed spindle-shaped cells, with nuclear pleomorphism and mitotic figures, arranged in interlacing fascicles. The histopathology was suggestive of spindle cell neoplasm. Immunohistochemistry (IHC) showed pancytokeratin (AE1/3), cytokeratin 7, vimentin, and epithelial membrane antigen positivity, whereas immunonegativity to thyroid transcription factor-1, WT-1, and calretinin. The radiological picture with IHC pattern favored the diagnosis of pulmonary sarcomatoid carcinoma.

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