Fig. 7: Leptomeningeal cyst
From: Mechanical birth-related trauma to the neonate: An imaging perspective
Axial skull CT (a) in a now 6-year-old with a history of traumatic birth and subsequent cerebral palsy. He had a right posterior parietal calvarial fracture at birth, which did not heal, but enlarged secondary to entrapment of leptomeninges at the fracture site—an entity called growing fracture or leptomeningeal cyst [volume rendered (b), and MIP 3D reconstruction (c)]. Bony margins at the fracture site are scalloped and smooth