John Koo, MD

Article

Habit Reversal Therapy for Skin Picking Disorder

Author:: John Koo, MD

Publish date: April 4, 2023

Cognitive behavioral therapy (CBT) techniques have been proven to benefit patients with skin picking disorder. However, because patients with...

Article

Atypical Presentation of Pityriasis Rubra Pilaris: Challenges in Diagnosis and Management

Author:: John Koo, MD

Publish date: October 7, 2021

Pityriasis rubra pilaris (PRP) is a rare inflammatory dermatosis of unknown etiology characterized by erythematosquamous salmon-colored plaques wit...

Article

Recent Developments in Psychodermatology and Psychopharmacology for Delusional Patients

Author:: John Koo, MD

Publish date: January 5, 2021

The management of delusional infestation (DI), also known as Morgellons disease or delusional parasitosis, can lead to some of the most difficult a...

Article

Depression and Suicidality in Psoriasis and Clinical Studies of Brodalumab: A Narrative Review

Author:: John Koo, MD

Publish date: December 6, 2019

Psoriasis elevates the risk for depression and possible suicide. This review highlights recent meta-analyses, research studies, and published data ...

Article

Allergic Contact Dermatitis With Sparing of Exposed Psoriasis Plaques

Author:: John Koo, MD

Publish date: June 28, 2019

Patients with plaque-type psoriasis who experience allergic contact dermatitis (ACD) may present with sparing of exposed psoriatic plaques. The pat...

Article

Phototherapy: Is It Still Important?

Author:: John Koo, MD

Publish date: June 5, 2019

Despite new technologies and therapeutic options, phototherapy continues to be a valuable tool in the dermatologist’s armamentarium. Between increa...