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Case report
Pulmonary carcinoid presenting with persistent pneumothorax
  1. Kristina Camila Santiago-Naranjo1 and
  2. Amro Ilaiwy2
  1. 1Department of Internal Medicine, University of Miami Miller School of Medicine at Holy Cross Hospital, Fort Lauderdale, Florida, USA
  2. 2Division of Endocrinology, Department of Internal Medicine, Duke University Hospital, Durham, North Carolina, USA
  1. Correspondence to Dr Amro Ilaiwy; amroilaiwy{at}


Lung neuroendocrine tumours (Lung NETs) are a rare group of pulmonary neoplasms often characterised by insidious clinical behaviour. Lung NET account for ~1%–2% of all lung malignancies in adults and 30% of all NETs. Incidence ranges from 0.2 to 2/100 000 population per year. While some patients may be asymptomatic, others may present with obstructive symptoms due to mass effect. Incidence of spontaneous pneumothorax as a complication of lung neoplasms is rare (0.05%–1.4% of all pneumothoraces). In this report, we present a case of recurrent pneumothorax due to Lung NET that was refractory to conservative management. We also discuss the diagnostic methods as well as surgical management approach, which is considered the treatment of choice in such tumours.

  • neuroendocrinology
  • endocrine cancer
  • pathology
  • respiratory medicine
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  • Contributors This is to certify that all persons who meet authorship criteria are listed as authors, and all authors certify that they have participated sufficiently in the work to take public responsibility for the content, including participation in the concept, design, analysis, writing or revision of the manuscript. Furthermore, each author certifies that this material or similar material has not been and will not be submitted to or published in any other publication before its appearance in the BMJ Case reports. KCS-N contributions include conception and design of this report, acquisition of data as well as drafting the manuscript. AI contributions include drafting the report as well as critically revising it. Both coauthors approve this manuscript for final publication.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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