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Assessment of the usefulness of skin phototype and skin color as the parameter of cutaneous narrow band UVB sensitivity in psoriasis patients by Jai Il Youn; Je Young Park; Seong Jin Jo; Jong Hyun Rim; Yong Beom Choe is a Medicine article available to read on EtoBox.

What is Assessment of the usefulness of skin phototype and skin color as the parameter of cutaneous narrow band UVB sensitivity in psoriasis patients about?

**Background:** Many reports have been released to assess skin types, skin colors and cutaneous sensitivity to broad band UVB or UVA. **Objective:** This study was performed to investigate the usefulness of skin type and skin color as the parameter of narrow band UVB (NBUVB) sensitivity. **Methods:** The minimal erythema dose (MED) of 40 psoriasis patients was investigated by irradiating several doses ranging from 200 to 1500 mJ/cm^2^. Before phototesting, the skin color of buttock was measured with a tristimulus colorimeter. **Results:** The median and mode value of MED of NBUVB was 950 mJ/cm^2^. Skin type was well correlated with the MED and there was a significant relationship between the __L__^\*^ value and MED, but not for the __a__^\*^ and __b__^\*^ values. **Conclusion:** The MED value of NBUVB in our study is a basic data to set the phototherapy protocol. Our result showed that skin type and __L__^\*^ value might be useful for predicting the sensitivity to NBUVB irradiation.

Who reads Assessment of the usefulness of skin phototype and skin color as the parameter of cutaneous narrow band UVB sensitivity in psoriasis patients?

Author

Jai Il Youn; Je Young Park; Seong Jin Jo; Jong Hyun Rim; Yong Beom Choe

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0905-4383)

Published

2003

Language

EN

Field

Medicine (Health Sciences)