Two cases of pseudo-achalasia with lung cancer: Case report and short literature review

Taizou Hirano, Eisaku Miyauchi, Akira Inoue, Ryotaro Igusa, Shigeki Chiba, Kazuhiro Sakamoto, Hisatoshi Sugiura, Toshiaki Kikuchi, Masakazu Ichinose

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Pseudo-achalasia with lung cancer is a rare complication. We present 2 cases of pseudo-achalasia with lung cancer and summarize previous reports. The previous reports suggested that lung cancer can be complicated with pseudo-achalasia caused by paraneoplastic neurological syndromes rather than direct invasion of the tumor cells to the lower esophageal sphincter, irrespective of the histology of the lung cancer; this can strongly influence the performance status. Treatment for pseudo-achalasia improves not only the symptoms, but also the performance status. Therefore, pseudo-achalasia should be considered when lung cancer patients present with dysphagia without other known causes.

Original languageEnglish
Pages (from-to)494-499
Number of pages6
JournalRespiratory Investigation
Volume54
Issue number6
DOIs
Publication statusPublished - 2016 Nov 1

Keywords

  • Lung cancer
  • Paraneoplastic neurological syndromes
  • Pseudo-achalasia
  • Secondary achalasia

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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