Sinus Pericranii with a Hair Collar Sign

Authors

  • Nikoo Cheraghi M.D.,

    1. Department of Medicine, University of Massachusetts Medical School, Worcester, Massachusetts
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  • Sophia Delano M.D.,

    1. Division of Dermatology, University of Massachusetts Medical School, Worcester, Massachusetts
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  • Courtney Csikesz M.D.,

    1. Division of Dermatology, University of Massachusetts Medical School, Worcester, Massachusetts
    2. Department of Pediatrics, University of Massachusetts Medical School, Worcester, Massachusetts
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  • Sathish Dundamadappa M.D.,

    1. Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts
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  • Karen Wiss M.D.

    Corresponding author
    1. Division of Dermatology, University of Massachusetts Medical School, Worcester, Massachusetts
    2. Department of Pediatrics, University of Massachusetts Medical School, Worcester, Massachusetts
    • Address correspondence to Karen Wiss, M.D., Pediatric Dermatology, Division of Dermatology, Departments of Medicine and Pediatrics, University of Massachusetts Medical School, 281 Lincoln Street, Worcester, MA 01605, or e-mail: Karen.wiss@umassmemorial.org.

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Abstract

Sinus pericranii is a rare vascular malformation in which the extracranial veins are connected to the intracranial venous circulation. It typically appears as a soft mass with a blue hue on the scalp. We describe a patient with sinus pericranii and associated hair collar sign.

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