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Case report
Pulmonary mucinous cystadenocarcinoma: an unusual presentation and literature review
  1. Pandi Todhe1,
  2. Nishant Sharma1,
  3. Ajay Shetty2 and
  4. Pius Ochieng2
  1. 1Department of Internal Medicine, Wright Center for Graduate Medical Education, Scranton, Pennsylvania, USA
  2. 2Department of Pulmonary and Critical Care Medicine, Geisinger Community Medical Center, Scranton, Pennsylvania, USA
  1. Correspondence to Dr Nishant Sharma; doctornsharma{at}


Cystic lung disease is a group of heterogeneous pulmonary diseases resulting from hereditary/congenital disorders, systemic disorders and infectious causes among others. Pulmonary mucinous cystic neoplasia is a spectrum of neoplastic cystic diseases with abundant mucin, of which pulmonary mucinous cystadenocarcinoma (PMC) is a rare malignant subtype. We present a case of a 66-year-old man who presented with dyspnoea, cough, fatigue and weight loss. Imaging of his chest showed numerous cavitary lesions, and the diagnosis of PMC was made based on lung biopsy. He received palliative chemotherapy and died 1 year later. We present a literature review of PMC based on 26 reported cases, including our own.

  • lung cancer (oncology)
  • tobacco related disease
  • surgical oncology

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  • Contributors PT wrote the case presentation and prepared images to be included with the manuscript. NS performed a literature review and wrote the discussion section. AS assisted with literature review and discussion and also reviewed the paper. PO reviewed the paper and made several modifications to the discussion section.

  • 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 Parental/guardian consent obtained.

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

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