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

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

Respir Investig. 2016 Nov;54(6):494-499

Authors: Hirano T, Miyauchi E, Inoue A, Igusa R, Chiba S, Sakamoto K, Sugiura H, Kikuchi T, Ichinose M

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.

PMID: 27886865 [PubMed - in process]

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