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Ontology Browser

Term:
Parent Terms Term With Siblings Child Terms
Hamartoma of the eye +   
Lymphangioma of the orbit 
A hamartoma of lymph vessels that usually presents in childhood. It tends to increase in size with head-down posture and with the Valsalva maneuver. Superficial lesions are visible as transilluminable cystic spaces of the lid or conjunctiva that may also contain blood. Deep lesions may cause gradual proptosis or present acutely with orbital pain and reduced vision due to hemorrhage.
Mediastinal cystic lymphangioma 

Synonyms
Definition Sources: ISBN-13:978-0199679980

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