Dr. John Koo is the former vice chairman of the department of dermatology at the University of California San Francisco. He is also the former director of the Psoriasis, Phototherapy, and Skin Treatment Center at UCSF, which is one of the largest phototherapy centers in the United States. Dr. Koo is an expert in the management of psoriasis with decades of experience in overseeing phototherapy for patients with psoriasis, as well as other photo-responsive skin conditions. He also oversees the Goeckerman program at UCSF. Dr. Koo has published various books on psoriasis treatments, including the series Mild to Moderate Psoriasis and Moderate to Severe Psoriasis, both of which include detailed chapters on phototherapy. Dr. Koo is known to be a key opinion leader and world expert in psoriasis.Dr. Mio Nakamura is a psoriasis and clinical research fellow currently training under Dr. Koo. Dr. Nakamura currently assists in overseeing the phototherapy and Goeckerman units at UCSF. She is involved in clinical research for psoriasis, including a trial on a novel dosimetry protocol for Excimer laser.

• Ultraviolet B Phototherapy for the Treatment of Moderate to Severe Psoriasis.- PUVA for the Treatment of Moderate to Severe Psoriasis.- Excimer Laser for the Treatment of Mild to Moderate Psoriasis.- Goeckerman Therapy for the Treatment of Severe Generalized Psoriasis.- Avoiding Undertreatment with Phototherapy.- “Erythemogenic” Phototherapy for Select Patients Who Need It.- Recognizing and Managing Initiation Burn.- Managing Phototherapy-Induced Burn.- When Patients Cannot Tolerate Narrowband-UVB.- Heliotherapy.- Cool Down before Initiation of Phototherapy.- Two-Step Phototherapy for Patients with Resistant Disease.- Phototherapy in the Setting of Photosensitizing Medications.- Phototherapy-Induced Iatrogenic Polymorphous Light Eruption.- Herpes Zoster During Phototherapy.- Enhancing Phototherapy with Topical Agents.- Combing Phototherapy with Acitretin: Re-PUVA and Re-UVB.- Combining Phototherapy with Methotrexate.- Combining Phototherapy with Cyclosporine “Cool Down”.- Combining Phototherapy with Apremilast.- Combining Phototherapy with Biologic Agents.- Phototherapy for the Pediatric Population.- Phototherapy for the Elderly Population.- Phototherapy for Atopic Dermatitis.- Phototherapy for Vitiligo.- Phototherapy for Prurigo Nodularis.- Addressing the Question: Phototherapy and the Risk of Skin Cancer.- Prescribing a Home Phototherapy Booth.- Handheld Phototherapy Unit for Treatment of Localized Psoriasis or Scalp.