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Lung Cancer: Lung Cancer |

An Unusual Cause of Lung Malignancy

Qiumei Wu, MMed; Lee Lan Phoa, MMed
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Khoo Teck Puat Hospital, Singapore, Singapore


Copyright 2016, American College of Chest Physicians. All Rights Reserved.


Chest. 2016;149(4_S):A260. doi:10.1016/j.chest.2016.02.272
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SESSION TITLE: Lung Cancer

SESSION TYPE: Case Report Poster

PRESENTED ON: Sunday, April 17, 2016 at 11:45 AM - 12:45 PM

INTRODUCTION: Sarcomatoid lung carcinoma is a rare non small cell lung cancer (NSCLC) that is estimated to make up 0.2-0.3% of lung malignancy. We report a case of sarcomatoid lung cancer with complete resection with clear margins.

CASE PRESENTATION: A 28-year old gentleman, with no past medical history of note, presented to our institution with a 3-day history of fever, shortness of breath, cough and sore throat. He is a social smoker for 2 years. Physical examination was unremarkable except for decrease air entry on the left. CT scan showed total collapse of the right lung with an abrupt cut-off is seen in the right main bronchus (RMB), 1cm from the carina where a round filling defect is seen (Fig. 1). Flexible bronchoscopy revealed a endobronchial tumour with complete obstruction of the RMB. He underwent rigid bronchoscopy and resection of the proximal part of tumor using electrosurgical snare and YAG laser, however, the procedurist was unable to reopen right middle and lower lobe because of vascularity of the tumor. He subsequently underwent right thoracotomy with resection of right lower lobe and pedunculated mass (4.5cm) that originated from the right lower lobe and extending to the RMB (Fig 3). Histopathological findings of right lung mass revealed to be of spindle cell origin, staining positively for AE1/3.

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