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    Pathol Int. 1998 Mar;48(3):237-9.

    Microvenular hemangioma.

    Source

    Department of Pathology, Jikei University School of Medicine, Tokyo, Japan.

    Abstract

    A case of microvenular hemangioma in a 23-year-old Japanese female is described. The patient presented with a slowly growing, solitary reddish plague on her back, which measured 15 x 17 mm. Histologically, the tumor was an infiltrative growth throughout the dermis. It consisted of thin-walled, small-sized, irregularly branched vascular vessels. The vascular lumina were narrow. The flattened endothelial cells had oval to spindle-shaped nuclei and scant cytoplasm that were immunohistochemically positive for endothelial markers. The tumor cells lacked cellular atypia, pleomorphism, and mitotic figures. The patient was well without disease 8 months after the excision. Pathologists and clinicians should be aware of the existence of this type of hemangioma with an infiltrative growth and avoid overdiagnosis and overtreatment.

    PMID:
    9589494
    [PubMed - indexed for MEDLINE]

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