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Updated: Jun 5, 2026

The Goeckerman Regimen for the Treatment of Moderate to Severe Psoriasis
Published on: July 11, 2013
Photoaggravated hand and foot psoriasis
Rajani Nalluri1, Bavani Arun, Lesley E Rhodes
1Photobiology Unit, Dermatology Centre, University of Manchester, Manchester Academic Health Science Centre, Salford Royal Foundation Hospital, Manchester, UK.
Most psoriasis patients improve with ultraviolet radiation, but some experience worsening. This case study highlights a rare instance of palmoplantar psoriasis evolving into photoaggravated psoriasis, emphasizing the need to consider photosensitivity in similar cases.
Area of Science:
- Dermatology
- Photobiology
Background:
- Psoriasis is a chronic inflammatory skin condition.
- Ultraviolet (UV) radiation often improves psoriasis symptoms.
- However, some individuals experience photosensitivity, leading to disease exacerbation.
Observation:
- A patient with long-standing palmoplantar psoriasis presented with an unusual change.
- The psoriasis distribution shifted from the palms to the dorsal aspect of the hands.
- This evolution suggested a new photosensitivity component.
Findings:
- The patient's condition was confirmed as photoaggravated psoriasis.
- Photoprovocation testing with solar-simulated radiation validated the photosensitivity.
- This documented a rare transformation of psoriasis presentation.
Implications:
- Clinicians should consider photosensitivity in psoriasis patients with changing lesion distribution.
- Hand and foot psoriasis may evolve into a photoaggravated form.
- Early recognition of photosensitivity is crucial for appropriate management.
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