glandular papilloma


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  • Clinical

    • age 68
    • endobronchial

  • Histology

    • epithelium
      • cuboidal-columnar
      • ciliated/nonciliated
      • mucinous cells
    • fibrovascular cores
    • no atypia or mitosis

  • Ddx

    • adenocarcinoma
      • malignant cytology
      • invasion
    • inflammatory polyp
      • lacks true fibrovascular core
      • lacks epithelium
    • papillary variant of mucus gland adenoma
      • lacks true fibrovascular core
    • papillary adenoma
      • parenchymal lesion, no attachment to airway
      • balled up cytology
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