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Kaposiform hemangioendothelioma of the external auditory canal in an adult
Author(s) -
Hardisson David,
Prim Mariá Pilar,
De Diego Juan Ignacio,
Patrón Mercedes,
Escribano Anne,
Rabanal Ignacio
Publication year - 2002
Publication title -
head and neck
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.012
H-Index - 127
eISSN - 1097-0347
pISSN - 1043-3074
DOI - 10.1002/hed.10074
Subject(s) - auditory canal , hemangioendothelioma , medicine , audiology , anatomy , pathology
Background Kaposiform hemangioendothelioma is an uncommon vascular tumor initially reported to occur exclusively in children. Methods The presentation, pathologic evaluation, and management of an unusual case of kaposiform hemangioendothelioma is presented and discussed. Results A 27‐year‐old HIV‐negative man was initially seen with a reddish nodule located in the outer third of the external auditory canal. Histologically, the tumor was composed of spindle‐shaped cells arranged in short fascicles associated with small endothelial‐like vascular spaces, similar in appearance to Kaposi's sarcoma. The lesion was locally excised but recurred 1 month later; then radiation therapy was performed. The patient remains well at 5‐year follow‐up. Conclusions Recognition of kaposiform hemangioendothelioma is important to avoid possible confusion with a variety of vascular neoplasms with different biologic potential. This case presented some diagnostic difficulty because of the age of the patient and the unusual location of the lesion and had to be mainly distinguished from Kaposi's sarcoma. © 2002 Wiley Periodicals, Inc. Head Neck 24: 614–617, 2002

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