Abstract
We report a case of hobnail hemangioma presenting as a congenital 2-mm brownish papule on the face of an 11-year-old girl. Hobnail hemangiomas have recently been characterized as a group, and they are related to the so-called targetoid hemosiderotic hemangiomas. Immunohistochemical data (positivity for factor VIII-related antigen, CD-34 and CD-31) support a vascular origin.
MeSH terms
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Antigens, CD34 / metabolism
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Antigens, Differentiation, Myelomonocytic / metabolism
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Cell Adhesion Molecules / metabolism
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Child
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Diagnosis, Differential
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Female
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Hemangioma / diagnosis
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Hemangioma / immunology
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Hemangioma / pathology*
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Humans
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Immunohistochemistry
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Platelet Endothelial Cell Adhesion Molecule-1
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Sarcoma, Kaposi / diagnosis
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Skin Neoplasms / diagnosis
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Skin Neoplasms / immunology
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Skin Neoplasms / pathology*
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von Willebrand Factor / metabolism
Substances
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Antigens, CD34
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Antigens, Differentiation, Myelomonocytic
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Cell Adhesion Molecules
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Platelet Endothelial Cell Adhesion Molecule-1
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von Willebrand Factor