laryngeal cyst


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  • Types by location

    • ductal: 75% of cysts, ventricular folds and ventricle of morgagni
    • saccular/retention: between true and false cords
    • tonsillar cysts: epiglottis
    • oncocytic: ventricular folds and ventricle of morgagni
    • other types
      • congenital cyst: has mesodermal and endodermal layers
      • traumatic cyst: hx of surgical intervention, arytenoid
      • pyocele if cyst becomes infected

  • Histology

    • epithelium: squamous or respiratory
      • can be oncocytic
    • wall: fibrous connective tissue
      • vascular elements in vascular cyst
      • inflammation in tonsillar cyst

  • Ddx

    • branchial cleft cyst
    • thyroglossal duct cyst
    • dermoid cyst
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