MCQ – 136566

Correct Answer � A Explanation

Depressed Fracture 
– Bone fragments driven inward, possibly compressing brain.
– Seen on X-ray as localized skull concavity.
– Can be compound (scalp breach) or simple (no laceration).
– Surgical elevation needed if:
  – Depression ≥5 mm
  – Dural tear present
  – Neurological deficits
  – Open fracture

Why Other Options Are Incorrect:

B. Linear Fracture 
– Thin radiolucent line, no bone displacement or indentation.
– Most common skull fracture in children.
– Not seen in this image.

C. Hinge Fracture
– Also called diastatic or basilar fracture.
– Fracture splits skull base into halves like a hinge.
– Usually diagnosed on CT, not evident on this X-ray.

D. Gutter Fracture 
– Partial-thickness injury from grazing gunshot or glancing blows.
– Produces a groove or channel on skull surface.