B-clear

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Definition
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Localized phototherapy with high-dose UVB rays of a defined wavelength of 290-320 nm and a peak at 314 nm. By focusing, the circumscribed irradiation of the diseased skin area succeeds without UV exposure of healthy skin. Currently still experimental procedure.

Indication
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Implementation
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After determining the MED on unaffected skin, the psoriatic foci are treated with double to triple MED. Application 2-3 times/week. Usually 4-10 sessions are required to heal a psoriatic plaque.

Undesirable effects
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Danger of burns. It should be noted that the skin in the area of the flexion side is to be treated with a lower radiation dose (1-2 times MED), while on the extensor sides 3 times MED is usually well tolerated.

Contraindication
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Last updated on: 29.10.2020