Chronic Intestinal Pseudo-obstruction and Orthostatic Hypotension Associated with Small Cell Lung Cancer that Improved with Tumor Reduction after Chemoradiotherapy

Yusuke Izumi; Takeshi Masuda; Yasushi Horimasu; Taku Nakashima; Shintaro Miyamoto; Hiroshi Iwamoto; Kazunori Fujitaka; Hironobu Hamada; Noboru Hattori

doi:10.2169/internalmedicine.8574-16

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Chronic Intestinal Pseudo-obstruction and Orthostatic Hypotension Associated with Small Cell Lung Cancer that Improved with Tumor Reduction after Chemoradiotherapy

Yusuke Izumi, Takeshi Masuda, Yasushi Horimasu, Taku Nakashima, Shintaro Miyamoto, Hiroshi Iwamoto, Kazunori Fujitaka, Hironobu Hamada, Noboru Hattori

著者情報

キーワード: chronic intestinal pseudo-obstruction, small cell lung cancer, paraneoplastic neurological syndrome, orthostatic hypotension, anti-Hu antibody

ジャーナルオープンアクセス早期公開

論文ID: 8574-16

DOI https://doi.org/10.2169/internalmedicine.8574-16

この記事には本公開記事があります。

The final version of this article is now available: Vol. 56 (2017), No. 19 pp. 2627-2631

詳細

抄録

Chronic intestinal pseudo-obstruction (CIPO) is a rare disease with symptoms of ileus without obstruction. Most cases of CIPO are idiopathic, and CIPO as a paraneoplastic neurological syndrome (PNS) associated with small cell lung cancer (SCLC) is rare. A 63-year-old man was diagnosed with functional ileus and confined to bed due to orthostatic hypotension. Chest computed tomography revealed a right hilar mass suspected of being lung cancer. Based on detailed examinations, he was diagnosed with limited-stage SCLC. His symptoms were confirmed as PNS because his serum anti-Hu antibody was positive. His PNS was improved with complete tumor reduction by chemoradiotherapy.

責任著者(Corresponding author)

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