• Taymeyah Al-Toubah, Jonathan Strosberg, Thorvardur R Halfdanarson, Kira Oleinikov, David J Gross, Mintallah Haider, Mohamad Bassam Sonbol, Daniel Almquist, and Simona Grozinsky-Glasberg.
• Department of GI Oncology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL.
• Chest. 2020 Jul 1; 158 (1): 401-405.

BackgroundDiffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) is a rare lung disease associated with proliferation of neuroendocrine cells in the lung and multifocal neuroendocrine tumorlets/tumors. Although usually considered an indolent condition, DIPNECH causes chronic, progressive cough and dyspnea which can adversely impact quality of life. There is very limited information on the treatment of this condition. The objective of this study was to assess changes in symptoms and pulmonary function tests (PFTs) in response to somatostatin analog (SSA) treatment.MethodsPatients with clinical and/or pathologic diagnosis of DIPNECH and chronic respiratory symptoms were treated with SSAs at the H. Lee Moffitt Cancer Center and Research Institute, Hadassah-Hebrew University Medical Center, and Mayo Clinic Cancer Center. Their charts were reviewed to assess changes in symptoms and PFTs.ResultsForty-two patients were identified who had either chronic cough or dyspnea because of proven or suspected DIPNECH and who had received treatment with an SSA. Thirty-three patients experienced symptomatic improvement. Additionally, 14 of 15 patients in whom PFTs were checked were noted to have an improvement in FEV1 after treatment.ConclusionsSSA treatment can improve chronic respiratory symptoms and PFTs in patients with DIPNECH.Copyright © 2020 American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.

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