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Original Article
November 15, 2010

Objective Measurements Using the Skin Prick Test in Allergic Rhinitis

Author Affiliations

Author Affiliations: Departments of Dermatology (Dr Kim) and Otorhinolaryngology–Head and Neck Surgery (Dr Mun), College of Medicine, Chung-Ang University, Yongsan Hospital, Seoul, South Korea.

Arch Otolaryngol Head Neck Surg. 2010;136(11):1104-1106. doi:10.1001/archoto.2010.185

Objective  To objectively measure the change in size of the wheal or erythema resulting from the skin prick test.

Design  Prospective randomized trial involving patients with allergic rhinitis recruited from March 8, 2009, through August 21, 2009, in Seoul, South Korea.

Setting  Otorhinolaryngology clinic of a university hospital.

Patients  Of 69 patients suspected of having allergic rhinitis, 46 with positive skin prick test results were selected.

Main Outcome Measures  Skin prick test and Minolta CR-400 Chromameter.

Results  Comparing the 2 values, as the size of the wheal or erythema increased, there was also an increase in the L*, a*, and b* values (P = .049 for each).

Conclusions  Use of the Minolta CR-400 Chromameter provides an objective measure of the change in the size of the wheal or erythema. This method may be used in the clinical setting to improve the interpretation of skin prick testing results.