title: Chocolate cysts of the orbit.
abstract: Acute spontaneous development of proptosis and periorbital ecchymosis may be the presenting sign of an orbital lymphangioma. This benign hamartoma should not be confused with other orbital malignancies.
mesh_terms: D002675:Child, Preschool; D006801:Humans; D007223:Infant; D008202:Lymphangioma / Q000175:diagnosis*; D008297:Male; D009918:Orbital Neoplasms / Q000175:diagnosis*