Tag Archive: 2013

Prurigo Pigmentosa vs Confluent and Reticulated Papillomatosis

Prurigo Pigmentosa and CARP

This is just a letter to the editor in the Journal of the American Academy of Dermatology reporting a single case published in 2013.

Is prurigo pigmentosa an inflammatory version of confluent and reticulated papillomatosis?

The case was of a 24 year old white male with a 2 week history of itchy rash on his back, chest, and abdomen.

He was first treated with both oral and topical corticosteroids to no effect.  A skin biopsy was performed and he was diagnosed with prurigo pigmentosa.

Unfortunately they do not go into potential causes of the rash in this patient (ie fasting, dieting, weight loss, etc.), but since this is a letter to the editor, it’s not subject to the same scientific rigor as regular journal articles.… Read More

The Keto Rash and Lyme Disease

PP-BorreliaNOTE: A version of this was originally published on bjjcaveman.com (here) on August 31, 2014

I was very excited by the title of this article, especially since it offered potential insight as to a specific infectious etiology to this rash!

Molecular detection and genetic identification of Borrelia garinii and Borrelia afzelii from patients presenting with a rare skin manifestation of prurigo pigmentosa in Taiwan

This was published in the International Journal of Infectious Diseases, August 2013.  This is a free article, so please feel free to read the whole thing yourself from the link provided.… Read More

The Keto Rash after a Strict Ketogenic Diet

PP-ketogenic-diet

NOTE: A version of this was originally published on bjjcaveman.com (here) on August 28, 2014

This one had a very promising title and was in Pediatric Dermatology on December 30, 2013.

Prurigo Pigmentosa after a Strict Ketogenic Diet

This was a single case report about a 17 year old white boy who presented with this rash on his chest, upper back, and abdomen for 2 weeks.  He also had pain in his knees, wrists, elbows and ankles.

Because of his joint pains, he was initially diagnosed with dermatomyositis and was treated with IV corticosteroids (methylprednisolone). … Read More