scrotal tongue asa valuable clinical feature in psoriasis

in a prospective clinical trial, the incidence of scrotal tongue in psoriatic patients was studied. one hundred psoriatics and the same number of non-psoriatic individuals were evaluated for the incidence of fissured tongue, age, duration of illness, and clinical types of psoriasis. in this study 49 psoriatic patients (49%) and 28 non-psoriatic persons (28%) had fissured tongue. the most common type of psoriasis (38% of patients) was plaque type and the patients'mean age was 22 years. we conclude that scrotal tongue had a higher incidence among psoriatic patients and can be considered as a useful clinical sign.