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Alopecia areata in Tunisia: epidemio-clinical aspects and comorbid conditions. A prospective study of 204 cases.
International Journal of Dermatology 2019 July
BACKGROUND: Alopecia areata (AA) is an autoimmune condition that usually presents as patchy, nonscarring hair loss. Autoimmune disorders and atopy are reported as comorbid conditions. We aimed to investigate the demographics, clinical characteristics, and associations of AA in Tunisian patients.
METHODS: Demographic data, pattern of alopecia, age of onset, and associations were evaluated in 204 patients from January 2012 to June 2016.
RESULTS: Two hundred and four cases of AA were seen. The male to female ratio was 0.68. The mean age at presentation was 23 years old. Positive family history was noticed in 22.1% of patients. Personal history of atopy was associated with AA in 18.1%. Associated autoimmune diseases were thyroid disorders (12.7%), vitiligo (1.5%), psoriasis (three cases), type 1 diabetes (two cases), autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) syndrome (two cases), lichen sclerosus atrophicus (one case), and pemphigus vulgaris (one case). Patchy AA was the most common manifestation (49.5%) followed by alopecia universalis (27.5%), alopecia ophiasis (12.7%), and alopecia totalis (10.3%). Nail changes consisting of pitting, trachyonychia, and longitudinal ridging were reported in 24.8%. AA patterns were more severe in females (P = 0.049). Severe forms showed more persistent disease duration (P = 0.005), earlier onset (P = 0.001), and more recurring episodes (P = 0.002) and were significantly associated with nail involvement (P < 0.001).
CONCLUSIONS: Our study aimed to review epidemio-clinical characteristics and comorbid conditions of AA in Tunisian patients. More severe cases with a pejorative value of early-onset AA, long disease duration, and nail involvement were seen in our study.
METHODS: Demographic data, pattern of alopecia, age of onset, and associations were evaluated in 204 patients from January 2012 to June 2016.
RESULTS: Two hundred and four cases of AA were seen. The male to female ratio was 0.68. The mean age at presentation was 23 years old. Positive family history was noticed in 22.1% of patients. Personal history of atopy was associated with AA in 18.1%. Associated autoimmune diseases were thyroid disorders (12.7%), vitiligo (1.5%), psoriasis (three cases), type 1 diabetes (two cases), autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) syndrome (two cases), lichen sclerosus atrophicus (one case), and pemphigus vulgaris (one case). Patchy AA was the most common manifestation (49.5%) followed by alopecia universalis (27.5%), alopecia ophiasis (12.7%), and alopecia totalis (10.3%). Nail changes consisting of pitting, trachyonychia, and longitudinal ridging were reported in 24.8%. AA patterns were more severe in females (P = 0.049). Severe forms showed more persistent disease duration (P = 0.005), earlier onset (P = 0.001), and more recurring episodes (P = 0.002) and were significantly associated with nail involvement (P < 0.001).
CONCLUSIONS: Our study aimed to review epidemio-clinical characteristics and comorbid conditions of AA in Tunisian patients. More severe cases with a pejorative value of early-onset AA, long disease duration, and nail involvement were seen in our study.
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