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Abstract

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Article in Japanese

Case Report

A case of primary pulmonary choriocarcinoma presenting as pneumothorax

Sayuri Hirookaa  Hideshi Uramotoa  Kei Nakashimaa  Hironori Kobayashib  Osamu Sakamotoa  Hirotsugu Kohrogic 

aDepartment of Respiratory Medicine, Kumamoto Saishunso Hospital
bDepartment of Thoracic Surgery, Kumamoto Saishunso Hospital
cDepartment of Respiratory Medicine, Kumamoto University Hospital

ABSTRACT

A 76-year-old man was admitted to our hospital with left-side pneumothorax and a solitary pulmonary nodule. The pneumothorax was not improved by drainage, so we performed a left upper lobectomy, both to treat the pneumothorax and to diagnose the nodule. A histological examination of the nodule showed choriocarcinoma with TTF-1 positive adenocarcinoma. Because we found no other primary lesion, we diagnosed primary pulmonary choriocarcinoma. The patient declined to undergo chemotherapy. At 47 days postoperation, he suffered rupture of a metastatic liver tumor and died from the recurrence. Despite its rarity, primary pulmonary choriocarcinoma should be differentially considered in appropriate cases because it requires early diagnosis for a good outcome.

KEYWORDS

Primary pulmonary choriocarcinoma  Pneumothorax  Adenocarcinoma  Rupture of metastatic liver tumor 

Received 6 Jan 2017 / Accepted 29 May 2017

AJRS, 6(5): 346-350, 2017

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