Perforating Granuloma Annulare is a rare form of Granuloma Annulare which I occasionally encounter in my The Woodlands dermatology and Conroe dermatology offices.  Clinically, Perforating Granuloma Annulare appears as red papules with a keratotic core extruding from the center of each lesion.  Essentially, the degenerated collagen in the dermis is being extruded through the epidermis […]

Granuloma Multiforme is a type of Granuloma Annulare almost exclusively found in Central Africa and I do not usually encounter it in my The Woodlands dermatology and Conroe dermatology offices.  Granuloma Multiforme usually occurs in adults and is found on the chest, back and upper extremities.  Histologically, it resembles Actinic Granuloma but clinically has a […]

Actinic Granuloma, also called Granuloma of Obrien, is a type of Granuloma Annulare induced by sun exposure which I encounter frequently in both my The Woodlands Dermatology and Conroe Dermatology offices.  Actinic Granuloma is found on sun exposed skin with the posterior neck and arms being very commonly affected areas.  Clinically, the lesions in Actinic […]

Subcutaneous Granuloma Annulare, also called Deep Granuloma Annulare, is most common in children and I encounter this form of Granuloma Annulare in both my The Woodlands dermatology and Conroe dermatology offices.  Subcutaneous Granuloma Annulare typically appears between one year of age and adolescence and is more common in boys.  The skin lesions in Subcutaneous Granuloma Annulare appear as flesh […]

Patch Type Granuloma Annulare, also called Macular Granuloma Annulare, appears as flat red/brown patches that are non-palpable which I encounter in my The Woodlands dermatology and Conroe dermatology offices.  Patch Type Granuloma Annulare is most common in women aged 30 or older and typically occurs on the upper thighs, groin and buttock.  When the patches […]

Generalized Granuloma Annulare, also called diffuse Granuloma Annulare, is a less common form of Granuloma Annulare which I encounter in my The Woodlands dermatology and Conroe dermatology offices.  Generalized Granuloma Annulare typically affects women in their 50s and 60s but can also be seen in children and adolescents.  The plaques of Granuloma Annulare are usually […]

Localized Granuloma Annulare is a very common type of Granuloma Annulare that occurs in children and young adults and I encounter it very frequently in my The Woodlands dermatology and Conroe dermatology offices.  In most cases, one to three plaques of Granuloma Annulare are present at one time.  The most common areas affected in Localized […]

Granuloma Annulare is a very common skin disease in which histiocytes, a type of immune cell, deposits in the dermis and subcutaneous tissue to produce indurated red plaques with central clearing that I encounter frequently in my The Woodlands dermatology and Conroe dermatology offices.  Initially, Granuloma Annulare begins as small red papules that spread outwardly […]