Eccrine Hamartomas

Eccrine Hamartomas

Christine J. Ko, MD

This is a porokeratotic eccrine ostial and dermal duct nevus with light pink, hyperkeratotic streaks following Blaschko lines. There are focal spines. (Courtesy J. McNiff, MD and R. Antaya, MD.)

Biopsy of porokeratotic eccrine ostial and dermal duct nevus shows tiers of parakeratosis (cornoid lamellae) image overlying acrosyringeal ostia. The inset is another example. (Courtesy J. McNiff, MD.)



  • Eccrine angiomatous hamartoma

    • Sweating angiomatous hamartoma

    • Sudoriparous angioma

    • Functioning sudoriparous angiomatous hamartoma

  • Porokeratotic eccrine ostial and dermal duct nevus

    • Porokeratotic eccrine duct and hair follicle nevus

    • Porokeratotic adnexal ostial nevus


  • Lesions, often congenital, with prominent component of eccrine glands



Jul 8, 2016 | Posted by in PATHOLOGY & LABORATORY MEDICINE | Comments Off on Eccrine Hamartomas

Full access? Get Clinical Tree

Get Clinical Tree app for offline access