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RT Journal Article
SR Electronic
T1 Kaposiform Hemangioendothelioma Arising from the Internal Auditory Canal
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 931
OP 933
VO 27
IS 4
A1 Chang, J.M.
A1 Kwon, B.J.
A1 Han, M.H.
A1 Kang, H.S.
A1 Chang, K.H.
YR 2006
UL http://www.ajnr.org/content/27/4/931.abstract
AB SUMMARY: Kaposiform hemangioendothelioma is a rare vascular tumor and locally aggressive endothelial-derived spindle cell neoplasm, which occurs almost exclusively in infants and adolescents. Radiologically, hemangioendothelioma, including Kaposiform hemangioendothelioma, is seen as a highly vascularized well-enhancing tumor, but no characteristic findings differentiate Kaposiform hemangioendothelioma from other soft-tissue tumors, particularly when the tumor is too small to have any locally aggressive features or identifiable large vessels. We present a case of Kaposiform hemangioendothelioma in the internal auditory canal that had no differential features on initial MR images and rapidly grew into a huge mass in a few months.