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Multiple intramedullary lipomas with conal intramedullary dermoid: magnetic resonance appearances
Jeshil R Shah1, Deepak Patkar, Bharat M Gala
1Department of MRI, Mammography and BMD, Dr. Balabhai Nanavati Hospital and Research Centre, S.V. Road, Vileparle (West), Mumbai, India 400 056. shahjeshil@yahoo.com
Background Context:
Intramedullary fat-containing benign childhood tumors of the cord include lipomas, dermoid cysts, and teratomas. These are embryonal tumors. Most intramedullary fat-containing tumors are solitary. Multiple intramedullary lipomas are rare and may represent a spinal lipomatous malformation. The presence of another intramedullary dermoid tumor in the same case is rare.
Purpose:
The intent of this case report is to look at magnetic resonance features and possible mechanisms of association of these fat-containing intramedullary tumors.
Study Design/Setting:
A 3-year-old male child presented with spastic quadriplegia.
Methods:
Magnetic resonance imaging (MRI) of spine was done on a 1.5-T scanner in different planes.
Results:
MRI showed multiple intramedullary spinal lipomas with an intramedullary dermoid involving the conus, cord atrophy, and subarachnoid fat droplets.
Conclusion:
Multiple intramedullary lipomas with an intramedullary dermoid represent a form of spinal lipomatous malformation. Both may represent embryogenic mesenchymal inclusions and hamartomatous growth, which can be accurately diagnosed with MRI.
