Shape of extradural hematoma on NCCT is ?
CT scan head is diagnostic. Extradural haematoma shows biconvex lesion Ref: SRB's Manual of Surgery, 4th Edition, pg. no. 1177 On CT, extradural haematomas appear as a lentiform (lensshaped or biconvex) hyperdense lesion between skull and brain, constrained by the adherence of the dura to the skull. Ref: Bailey & Love Sho Practice Of Surgery, 26th Edition, pg. no. 315
Medially concave
Lens shaped
Bean shaped
Crescent shaped
Trauma