Disease or Syndrome
dacryocystocele
Definitions related to dacryocystocele:
  • A nasolacrimal duct obstruction presenting as a grey-blue cystic swelling just below the medial canthus. Believed to be a result of concomitant upper obstruction of the Rosenmuller valve and lower obstruction of the Hasner valve.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • (lacrimal mucocele) A congenital or acquired mucocele that develops in the lacrimal sac. It is usually the result of nasolacrimal duct abnormalities or obstruction.
    NCI
    U.S. National Cancer Institute, 2021
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