Invasive mucinous adenocarcinoma of the lung

Invasive mucinous adenocarcinoma of the lung is a subtype of invasive adenocarcinoma of the lung. It was formerly known as mucinous bronchoalveolar carcinoma.

Terminology

In 2011, the International Association for the Study of Lung Cancer (IASLC), American Thoracic Society (ATS), and European Respiratory Society (ERS) introduced a new classification and terminology for adenocarcinoma of the lung.  The term bronchoalveolar carcinoma (BAC) has been extinct and, invasive mucinous adenocarcinoma of the lung now replaces the tumours previously known as mucinous bronchoalveolar carcinoma.

Pathology

Mucinous carcinomas originate from columnar mucus-containing cells (cf. non-mucinous tumours which arise from Clara cells or type 2 pneumocytes). Mucinous carcinomas are thought to be more likely to be multicentric and tend to have a worse prognosis than non-mucinous types 3.

Associations
Lung cancer
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Article information

rID: 36774
System: Chest
Tag: cases
Synonyms or Alternate Spellings:
  • Invasive mucinous adenocarcinoma of lung
  • Mucinous bronchoalveolar carcinoma
  • Mucinous bronchoalveolar carcinomas

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