J Korean Neurosurg Soc.  2012 Aug;52(2):161-163. 10.3340/jkns.2012.52.2.161.

Infiltrating Spinal Angiolipoma

• Han SR
• Yee GT
• Choi CY
• Lee CH

• KMID: 2190559
• DOI: http://doi.org/10.3340/jkns.2012.52.2.161

Abstract

Spinal angiolipomas are rare lesions usually found in the epidural space of the thoracic spine. The infiltrating type of spinal angiolipomas is extremely rare. This report presents the case and reviews the related literature. A 58-year-old man was presented with a 7-month history of progressive weakness and sensory change of lower extremities. Magnetic resonance images showed a well-enhanced mass infiltrating the vertebral foramen at the T4-5 level. Resection of the tumor was performed. Histological study revealed the tumor as an angiolipoma. The patient was relieved from symptoms after tumor resection.

Keyword

Spinal angiolipoma; Thoracic spine; Infiltrating

MeSH Terms

Angiolipoma
Epidural Space
Humans
Lower Extremity
Magnetic Resonance Spectroscopy
Middle Aged
Spine

Figure

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  Fig. 1 Axial CT scans of lower T4 level shows an infiltrating epidural mass extended to the right T4-5 neural foramen which was widening and scalloping.

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  Fig. 2 MRI of thoracic spine. A : T1WI axial image with gadolinium (Gd) enhancement showing homogenous enhancing mass posterior to the spinal cord extending into the right T4-5 neural foramen (arrow). B : T1WI sagittal image reveals iso-signal lenticular-shaped mass at T4-5 level with marked cord compression. C : T1WI sagittal image with Gd administration demonstrating well the homogeneous enhancement.

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  Fig. 3 Hematoxylin and Eosin (H&E) stain of the tumor. A : Mature adipose tissues indicated by circles are present within the vascular mass (H&E ×40). B : Mature adipose tissue interspersed with blood channels of various sizes (H&E ×100).

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  Fig. 4 Follow-up axial enhanced thoracic CT scan shows remnant paravertebral enhancing mass (arrow) without posterior epidural lesion.

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