subperiosteal hematoma

Diagram of

the infant scalp showing the locations of the common hematomata of the scalp in relation the layers of the scalp. Newborn Scalp Hematomata

Subperiosteal

hematoma of the ilium: an unusual complication of acetabular fracture. The exam is unremarkable.

Subperiosteal

hematoma of the ilium: an unusual complication of acetabular fracture. The subperiosteal hematoma (arrowheads) overlies the internal aspect of the right iliac bone. The right iliacus muscle (arrows) is dislocated medially. Within the hematoma, a fluid-fluid level is also seen (asterisk).