When Fat Hits the Brain: Intraventricular and Subarachnoid Fat Migration Secondary to a Complex Sacropelvic Fracture-Diagnosis and Treatment.

Massive migration of fat droplets in the ventricles and the subarachnoid space is a very rare sequel of spinal trauma. Owing to its rarity, knowledge about treatment and outcome remains limited. We report on the uncommon occurrence of massive subarachnoid and intraventricular fat dissemination in a 41-year-old man who suffered a complex sacropelvic fracture with spondylopelvic dissociation but who had no head injury. We show that early placement of an external ventricular drain with prolonged drainage for washout of the fat depots can prevent chronic hydrocephalus and subsequent shunt dependency.

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Prof. Krauss is a consultant to Boston Scientific and Medtronic, outside the submitted work.