Isolated central canal rupture of spinal dermoid: Report of two cases

Authors: Garg, A¹; Gupta, V¹; Gaikwad, S¹; Deol, P¹; Mishra, NK¹; Suri, A²; Kale, SS²

Source: Australasian Radiology, Volume 47, Number 2, June 2003 , pp. 194-197(4)

Publisher: Blackwell Publishing

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Abstract:

Summary

We report two cases of lumbar spinal dermoid cysts with asymptomatic rupture and migration of free fat droplets into the central canal. No fatty droplets were seen within the lumbar subarachnoid space. The presence of fat droplets within the central canal is unusual because the central canal is rudimentary in adults. We suggest that hydromyelia secondary to tumour and specific tumour morphology might facilitate the selective rupture of dermoids into the central canal. We recommend a follow up of these patients to detect any possible intracranial migration of fat droplets and resultant complications.

Keywords: dermoid cyst; free fat; spinal neoplasm; syringomyelia

Document Type: Research article

DOI: 10.1046/j.0004-8461.2003.01152.x

Affiliations: 1: Neuroradiology and 2: Neurosurgery, All India Institute of Medical Sciences, New Delhi, India

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