BACKGROUND: @entity6234 is a rare condition usually associated with several precipitating factors including @entity1003 , lumbar puncture, @entity130 , @entity1462 and previous spinal surgery. In this paper we report @entity6234 related to cranial surgery which is a previously unknown precipitating factor. METHODS: The medical records of six @entity1 in whom @entity6234 developed after cranial surgery was reviewed retrospectively for clinical presentation, radiological findings, treatment, and outcome. FINDINGS: Six @entity1 presented with @entity1643 and @entity614 in the lower extremity after surgery for intracranial lesions. Symptom onset was between 2 and 9 days after cranial surgery. Initial cranial procedures were @entity5 removal in 1 @entity1 , clipping of @entity439 in 1, temporal lobectomy for @entity302 in 4. None of the @entity1 had previously known precipitating factors for @entity6234 . In all of them, the diagnosis was confirmed by magnetic resonance (MR) imaging and the spinal segment involved was the lower lumbar and sacral level except for one @entity1 with a wide distribution of haematoma over the thoracolumbar region. All @entity1 recovered completely without surgical intervention. INTERPRETATION: @entity6234 is a rare but possible complication of cranial surgery. It should be considered in @entity1 with @entity615 and @entity614 in the lower extremity developing after surgery for intracranial lesions. Unlike spontaneous @entity6234 with other precipitating factors, @entity6234 developing after cranial surgery takes a benign clinical course and resolves spontaneously over several days to 2 weeks without surgical intervention.

XXXX as a complication of cranial surgery.

@entity1 :: ('9606', 'Species') :: ['patients', 'patient'] @entity1643 :: ('MESH:D017116', 'Disease') :: ['low back pain'] @entity5 :: ('MESH:D009369', 'Disease') :: ['craniotomy and tumour'] @entity1003 :: ('MESH:D001778', 'Disease') :: ['coagulopathy'] @entity6234 :: ('MESH:D046649', 'Disease') :: ['spinal subdural haematoma', 'Spinal subdural haematoma'] @entity615 :: ('MESH:D001416', 'Disease') :: ['back pain'] @entity1462 :: ('MESH:D054079', 'Disease') :: ['vascular malformation'] @entity439 :: ('MESH:D000783', 'Disease') :: ['aneurysm'] @entity302 :: ('MESH:D004827', 'Disease') :: ['epilepsy'] @entity614 :: ('MESH:D011843', 'Disease') :: ['radiculopathy'] @entity130 :: ('MESH:D014947', 'Disease') :: ['trauma']
@entity6234 :: (MESH:D046649,Disease) :: ['Spinal subdural haematoma']
