Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia: A systematic overview

Adrienne A. Nassar, Dawn E. Jaroszewski, Richard A. Helmers, Thomas V. Colby, Bhavesh M. Patel, Farouk Mookadam

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia (DIPNECH) is being recognized with increasing frequency. Diagnostic and treatment information is limited. A systematic review is presented, focusing on patient demographics, clinical presentation, diagnosis, treatment options, and outcomes. A systematic electronic literature search was conducted for adult DIPNECH cases reported in the English literature during the past 6 years. Twenty-four DIPNECH cases were identified. Another case from our institution is contributed. Women represent 92% (23 of 25). Mean age at diagnosis was 58 years (range, 36-76yr). Most were nonsmokers (16of 24). Symptoms included cough (71%), dyspnea (63%), and wheezing (25%) occurring days to years before diagnosis. Pulmonary function testing showed obstructive ventilatory disease in 54%. Lung nodules were seen in 15 patients (63%), ground-glass attenuation in 7 patients (29%), and bronchiectasis in 5 patients (21%). Histological confirmation required surgical lung biopsy for 88%; however, transbronchial biopsies alone were diagnostic in three patients. Treatments strategies included systemic and inhaled corticosteroids, bronchodilators, and lung resection. Available follow-up data in 17 patients showed 6 clinically improved, 7 who remained stable, and 4 clinically deteriorated. Themajority of patients presenting with DIPNECH are middle-aged females with symptoms of cough and dyspnea; obstructive abnormalities on pulmonary function testing; and radiographic imaging showing pulmonary nodules, ground-glass attenuation, and bronchiectasis. In general, the clinical course remains stable; however, progression to respiratory failure does occur. Long-term follow-up and treatment remains incomplete. Establishment of a national multicenter DIPNECH registry would allow formulation of optimal evidence-based guidelines for management of these patients.

Original languageEnglish (US)
Pages (from-to)8-16
Number of pages9
JournalAmerican Journal of Respiratory and Critical Care Medicine
Volume184
Issue number1
DOIs
StatePublished - Jul 1 2011

Fingerprint

Neuroendocrine Cells
Hyperplasia
Lung
Bronchiectasis
Cough
Dyspnea
Glass
Literature
Biopsy
Bronchodilator Agents
Respiratory Sounds
Respiratory Insufficiency
Registries
Adrenal Cortex Hormones
Therapeutics
Demography
Guidelines

Keywords

  • Cough
  • Dyspnea
  • Lung diseases
  • Neuroendocrine cells

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine
  • Critical Care and Intensive Care Medicine

Cite this

Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia : A systematic overview. / Nassar, Adrienne A.; Jaroszewski, Dawn E.; Helmers, Richard A.; Colby, Thomas V.; Patel, Bhavesh M.; Mookadam, Farouk.

In: American Journal of Respiratory and Critical Care Medicine, Vol. 184, No. 1, 01.07.2011, p. 8-16.

Research output: Contribution to journalArticle

Nassar, Adrienne A. ; Jaroszewski, Dawn E. ; Helmers, Richard A. ; Colby, Thomas V. ; Patel, Bhavesh M. ; Mookadam, Farouk. / Diffuse idiopathic pulmonary neuroendocrine cell hyperplasia : A systematic overview. In: American Journal of Respiratory and Critical Care Medicine. 2011 ; Vol. 184, No. 1. pp. 8-16.
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