Dilated Pore of Winer

    The dilated pore of winer is a common enlarged blackhead (open comedome) that is lodged within your hair follicle. Although it poses no health concerns, many individuals may seek treatment as they find it unsightly.

    What Causes It?

    The exact cause contributing to the dilated pore of winer is unknown. The condition was first described by Louis H. Winer in 1954 where he noted an association with cystic acne or other cystic processes that can obstruct the hair follicle.

    How Common Is Dilated Pore of Winer?

    The dilated pore of winer is often found in adults and the elderly. Men are more commonly afflicted with this condition. The head, neck and trunk are common areas affected.

    What Does It Look Like?

    For many individuals, they may noticed an enlarged pore with a blackhead which may be larger than what they had experienced during the adolescent period. 

    They may also report squeezing the contents through the pore only for it to re-accumulate over time.

    The dilated pore of winer is usually asymptomatic unless infection sets in.

    How Is It Diagnosed?

    Most cases of dilated pore of winer are diagnosed based on history and clinical examination. A biopsy is taken for histological analysis if diagnosis is uncertain.

    Dilated Pore of Winer Treatment

    There are various dilated pore of winer treatment options. These range from surgical excision, punch biopsy techniques, electrosurgery and laser surgery. Surgical excision is mostly curative as other techniques may not remove the deeply embedded hair follicle unit within the skin.

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    References:
    1. Steffen C. Winer’s dilated pore: the infundibuloma. Am J Dermatopathol. 2001 Jun. 23(3):246-53.
    2. Benedetto CJ, Riley CA, Athalye L. Dilated Pore Of Winer. InStatPearls [Internet] 2021 Sep 14. StatPearls Publishing.
    3. Mittal RR, Sethi PS, Jha A. Dilated pore of Winer. Indian Journal of Dermatology, Venereology and Leprology. 2002 Jul 1;68(4):239-40.