Organized Chronic Subdural Hematoma Mimicking Acute Epidural Hematoma

Table 1

Contrasting and comparing EDH and OCSH.

	History of trauma	State of consciousness	Clinical manifestation	CT imaging
EDH	Usually caused by severe head trauma	Coma, awake, recoma	Usually have scalp hematoma and skull fracture	Fusiform high-density shadow with sharp boundary
OCSH	Usually caused by minor head trauma	Usually awake	No scalp hematoma and no skull fracture	Curved or crescent low-density or mixed-density shadow with rough boundaries

EDH: epidural hematoma; OCSH: organized chronic subdural hematoma.