Abstract
It is not uncommon for patients to have only a partial response to UVB phototherapy. Typically, adequate improvement of disease is seen on the trunk, but treatment response may be poor on the distal extremities. In such a case, the two-step approach can be utilized. In the two-step approach, the patient will first receive phototherapy as usual to the whole body for overall exposure, followed by a second additional treatment to the extremities while covering the rest of the body.
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Koo, J., Nakamura, M. (2017). Two-Step Phototherapy for Patients with Resistant Disease. In: Clinical Cases in Phototherapy. Clinical Cases in Dermatology. Springer, Cham. https://doi.org/10.1007/978-3-319-51599-1_12
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DOI: https://doi.org/10.1007/978-3-319-51599-1_12
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