Capillary Hemangioma
Peter C. Burger, MD
Key Facts
Terminology
Benign vascular tumor formed of multiple capillary-sized vessels with large feeding vessel
Clinical Issues
Intraspinal in most cases
Nerve root (common)
Intracranial (uncommon)
Image Findings
Discrete
Contrast enhancing, homogeneous
Microscopic Pathology
Lobular
Multiple small capillaries with draining vessel
Flat or plump but not notably atypical endothelial cells
Scattered mitoses
 In its common intradural extramedullary location, the discrete, lobular red lesion is often attached to a nerve root  . |
 Capillary hemangiomas are masses of closely apposed capillaries that feed into larger draining veins  . |
TERMINOLOGY
Synonyms
Lobular hemangioma (LH)
Definitions
Benign vascular tumor formed of multiple capillary-sized vessels with large feeding vessel
CLINICAL ISSUES
Site
Intraspinal in most cases
Nerve root (common)
Spinal cord
Periphery, pial surface
Intramedullary (rare)
Intracranial (rare)
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