Assertion: subperiosteal hematoma | /r/HasProperty | rare
Facets:
Source sentences:
text: Orbital subperiosteal hematomas are rare but incidence and prevalence are unknown at this time, as cross-sectional studies have not been undertaken.
text: Orbital subperiosteal hematoma, commonly called orbital subperiosteal hemorrhage, is a rare pathology defined by a collection of blood within the potential space between the periosteum and the bones of the orbit.