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Case Reports in Medicine
Volume 2014 (2014), Article ID 219273, 4 pages
http://dx.doi.org/10.1155/2014/219273
Case Report

Pulmonary Pleomorphic Carcinoma Detected as a Result of Pneumothorax and the Subsequent Occurrence of Multiple Cystic Metastases

1Department of Internal Medicine, Division of Respiratory Medicine, Jikei University School of Medicine, Kashiwa Hospital, 163-1 Kashiwashita, Kashiwa, Chiba, Japan
2Department of Internal Medicine, Division of Diagnostic Pathology, Jikei University School of Medicine, Kashiwa Hospital, Chiba, Japan
3Department of General Thoracic Surgery, Division of Surgery, Jikei University School of Medicine, Kashiwa Hospital, Chiba, Japan
4Department of Internal Medicine, Division of Respiratory Medicine, Jikei University School of Medicine, Tokyo, Japan

Received 16 June 2014; Accepted 5 August 2014; Published 20 August 2014

Academic Editor: Raed Dweik

Copyright © 2014 Hideaki Yamakawa et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A 39-year-old man was admitted for spontaneous pneumothorax. He underwent pulmonary resection to correct the lesion causing the air leakage, and a pathological diagnosis of pulmonary pleomorphic carcinoma was made because we thought that the pneumothorax developed due to the direct rupture of necrotic neoplastic tissue into the pleural cavity. After the operation, the patient received chemotherapy, during which multiple cystic metastases gradually developed in the lung that caused repeated occurrences of pneumothorax. Clinicians must be careful to recognize that pneumothorax can also be a complication of primary and various metastatic pulmonary malignancies.