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Year : 2014  |  Volume : 39  |  Issue : 3  |  Page : 143-146

A clinical study of vitiligo in a rural set up of Gujarat

Department of Skin and Venereal Diseases, Pramukh Swami Medical College, Karamsad, Gujarat, India

Date of Submission20-Jun-2013
Date of Acceptance27-Dec-2013
Date of Web Publication19-Jul-2014

Correspondence Address:
Dr. Rita V Vora
Department of Skin and Venereal Diseases, Pramukh Swami Medical College, Karamsad-388 325, Gujarat
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0970-0218.137150

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Introduction: Vitiligo is an acquired depigmentary condition caused by inactivation or destruction of melanocytes in epidermis and hair follicle. Worldwide incidence of 1% has been reported; similar to various dermatological clinics in India. Widespread prejudice, ignorance, taboos, lack of scientific appraisal, and confusion of vitiligo with leprosy makes it an immense psychological stress. Aim: To know the clinical profile of vitiligo patient with associated cofactors. Materials and Methods: Total 1,010 patients of vitiligo attended in outpatient department at Shree Krishna Hospital (SKH) and Matar camp, Gujarat over 1 year period from August 2011 to July 2012 were included in this study. Detail history and clinical examination of patients were done. Results: Out of 1,010 patients 57.3% were females and 42.7 % were males. Most cases developed vitiligo by 2 nd decade of life. Progressive course was found in 60.9 % of patients. Vitiligo vulgaris (57.8%) was most common morphological type. Most common site of onset (41.5%) and involvement (75.7%) was lower limb. Family history was present in 20.4%. Conclusions: Vitiligo constitutes important dermatological disease especially in India. The data suggest that local epidemiological behavior of vitiligo need not be the same across different regions. Vitiligo differs substantially in various clinical aspects.

Keywords: Clinical study, clinico-epidemiology, Gujarat, vitiligo

How to cite this article:
Vora RV, Patel BB, Chaudhary AH, Mehta MJ, Pilani AP. A clinical study of vitiligo in a rural set up of Gujarat. Indian J Community Med 2014;39:143-6

How to cite this URL:
Vora RV, Patel BB, Chaudhary AH, Mehta MJ, Pilani AP. A clinical study of vitiligo in a rural set up of Gujarat. Indian J Community Med [serial online] 2014 [cited 2022 May 27];39:143-6. Available from: https://www.ijcm.org.in/text.asp?2014/39/3/143/137150

   Introduction Top

Vitiligo is an acquired depigmentary condition caused by inactivation or destruction of melanocytes in epidermis and hair follicle. Vitiligo is a common pigmentary disorder seen in our country. [1] It is an idiopathic, acquired, circumscribed hypomelanotic/demelanotic skin disorder, characterized by milky white patches of different sizes and shapes and affects 1-2% of the world population. [2] The incidence of vitiligo is found to be 0.25-2.5% in India. Gujarat and Rajasthan states have highest prevalence ~8.8%. [2] Widespread prejudices, ignorance, taboos, lack of scientific appraisal, and confusion of vitiligo with leprosy all make it a social embarrassment for the patients. [3] This disorder does not result in restriction of capacity to work or expectancy of life, but it causes cosmetic disfigurement leading to psychological trauma to the patients. [1] Since Gujarat shows high prevalence of vitiligo in India, the present study was conducted to know the various clinical patterns, positive family history, and to find out the various skin disorders associated with it at rural setup near Anand, Gujarat.

   Materials and Methods Top

All new cases of idiopathic depigmented clinically diagnosed as vitiligo attended in outpatient department of dermatology, Shree Krishna Hospital, Karamsad and Matar camp, Gujarat over 1 year period were included in this study after consent of the patients. All depigmented patches observed since birth as well as acquired depigmented patches due to infections, physical trauma, chemical injury, burns, nutritional deficiency, inflammatory dermatosis, and drugs were excluded. Ethical approval was taken from Hospital Ethical Committee to conduct the study. The diagnosis was made clinically. Detailed history and meticulous examination of each patient was carried out and recorded. Specific emphasis was given on age of onset, duration of disease, site of onset, most common site, most common type of vitiligo, precipitating factors, presence of leukotrichia, Koebner's phenomenon, family history, and any other cutaneous or systemic illness. The sociodemographic profile of the patients was also recorded. Apart from routine blood and urine examination, blood sugar and thyroid function test were done whenever necessary. According to area of body part involvement, they were classified into vitiligo vulgaris, acrofacial, segmental, universal, and mucosal.

   Results Top

A total of 1,010 patients were included in the study. Among these 578 (57.3%) were female and 432 (42.7%) were male. The female to male ratio was 1.5:1 [Table 1]. The age at onset was found to be in the 2 nd decade of life in 274 (27.0%) patients, while majority of patients belonged to the age group between 21 and 30 years - 251 (24.8%) [Table 2]. Mean duration of disease presentation was 1-5 years 559 (55.5%) [Table 3].
Table 1: Age group affected

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Table 2: Age at onset

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Table 3: Duration of diseases

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A positive family history was present in 204 (20.4 %) and 24 (2.4%) patients had more than one family member affected [Table 4]. Koebner's phenomenon was noted in 223 (22.0%) patients. Trauma 80 (8%) was the most common precipitating factor followed by itching 63 (6.3%), friction 25 (2.5%), and stress 15 (1.5%). Mixed precipating factors were present in 40 (4.01%) patients and 787 (77.9%) patients had no precipitating factor. Out of the total, 923 (91.3%) patients were vegetarian and 87 (8.6%) patients were on mixed diet. Progressive disease was present in 618 (61.1%) patients; however, spontaneous regression was found in 72 (7.2%) patients.
Table 4: Family history

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Initial site of lesion in majority of patients was lower limb (417, 41.5%) followed by scalp (254, 25.2%), face (204, 20.2%), upper limb (119, 11.7%), and trunk (16, 1.5%). Most common site affected was lower limb (758, 75.4%), followed by upper limb (688, 68.3%), face (503, 50.0%), trunk (458, 45.7%), and genitals (67, 6.7%) [Table 5]. Vitiligo vulgaris (580, 57.8%) was the commonest morphological pattern, other pattern seen were acrofacial (277, 27.6%), segmental (69, 6.6%), universal (69, 6.9%), and mucosal (15, 1.5%) [Table 6]. Majority of patients had bilateral distribution (721, 71.6%) and 613 (61.3%) patients had less than 25% body surface area involvement. Leukotrichia was seen in 104 (10%) patients.
Table 5: Site affected

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Table 6: Types of vitiligo

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The associated cutaneous diseases noted in our study were alopecia areata (19, 1.9%), lichen planus (7, 0.7%), and eczema (10, 1.0%).[Table 7]
Table 7: Associated dermatological condition

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   Discussion Top

The untiring efforts of scientists, over a period of many years, have failed to lift up the curtain of ignorance till today and as we know, the etiology of vitiligo is still an enigma. Various theories of origin, genetic, toxic, neurogenic, and autoimmune have been proposed by different workers, yet none is definite. [4]

The prevalence of vitiligo is high in India, varying in range of 0.46-8.8%. The different ethnic backgrounds of population residing in different geographic region with different environmental condition may contribute to the wide variation in prevalence of vitiligo in India. [5]

The female to male ratio in our study was 1.5:1. Most of the other reports shown that males and females were affected with almost equal frequency, [2] which was different from that reported by Handa and Kaur, Koranne et al., [6] and Khaitan et al., [7] showed, male was more commonly affected than female. A few studies show slightly higher prevalence in female population. [3],[5] The number of female vitiligo patients were found to be higher than male because women notice the change in appearance and approach the doctors sooner than men and of the social stigma in the community, young females tend to report earlier due to matrimonial anxiety.

In our study mean age of onset was 2 nd decade of life, consistent with the most reports from India and the west. [2],[6],[8] This shows that the disease starts at a younger age in the Indian population. However, one study from Denmark showed the age of onset to be between 40 and 60 years. [9]

Genetic factors play an important role in manifestation of vitiligo. Though various studies indicate involvement of genetic factors, the patterns are not consistent with single locus Mendelian transmission, but appear to be polygenic. One hypothesis postulates that recessive alleles at multiple unlinked autosomal loci interact epistatically in pathogenesis of vitiligo. [10] In our study, 204 (22.4%) patients had positive family history of vitiligo, 24 (2.4%) patients had more than one family member affected. Familial occurrence has been reported to vary from 5 to 30% in different studies. [2],[11],[12],[13] human leucocyte antigen (HLA) type significantly related to family history and early onset of vitiligo. [14] Positive family history is considered to be a poor prognostic factor. [2]

In our study, lower extremities was the commonly involved site in majority (75.4%) of cases which support the finding of other studies. [2],[12],[14],[15] Next commonest sites was upper limb followed by face, trunk, and scalp. Most common site of onset was lower extremity this finding also similar with study by Shajil et al. [2] However, Gao et al., shows most common site is back, [16] Alissa et al., showed face was the most common site of onset. [17] One study by Karelson et al., of 155 adult patients shows most common site of onset was upper limb. [18]

Majority (60.9%) of the patients had progressive vitiligo at the time of presentation.

Vitiligo vulgaris (57.4%) was most common type observed in our study followed by acrofacial, segmental, universal, and mucosal vitiligo which is similar with other studies. [2],[3],[6],[13],[19] This indicates that the process of depigmentation, either immune-mediated or toxic may occur simultaneously or subsequently at various unrelated distant sites.

Koebner phenomenon was observed in 208 (20.8%) patients, while in other study it was between 5 and 16%. [7],[18],[19] Trauma was most common precipitating factor (8%) in our study followed by itching, friction, and stress. Leukotrichia was seen in 100 (10.00%) patients in our study. Study by Shajil et al., it was around 9%. [2] Leukotrichia is considered to be a poor prognostic factor. Some studies shows higher prevalence. [17],[20]

Vitiligo is associated with many systemic as well as cutaneous disorders. In our study most common was diabetes mellitus was found to be 1.7% in our study, whereas the reported value was 1.18-2%. [2],[7] Hypertension were found in 1.7% of patients. thyroid disease was seen in seven (0.70%) patients, which was reported to be 0.94% in study done by Shajil et al., [2] and 7.8% by Martis et al., [3] most common thyroid disease associated with vitiligo is hypothyroidism and autoimmune thyroiditis.

Vitiligo occurs most commonly in the 3 rd decade with a female preponderance and should be entitled to more than ordinary consideration. The data suggest that local epidemiological behavior of vitiligo need not be the same across different regions. Variations did exist with regards to certain clinico-epidemiological parameters Gujarat viz., prevalence of concomitant diseases, extent of involvement, etc.

   References Top

1.Das SK, Mazumdar PP, Chakraborty R, Majumdar TK, Haldar B. Studies on vitiligo, I: Epidemiological profile in Calcutta, India. Genet Epidemiol 1985;2:71-8.  Back to cited text no. 1
2.Shajil EM, Agrawal D, Vagadia K, Marfatia YS, Begum R. Vitiligo: Clinical profiles in Vadodara, Gujarat. Indian J Dermatol 2006;51:100-4.  Back to cited text no. 2
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3.Martis J, Bhat R, Nandakishore B, Shetty JN. A clinical study of vitiligo. Indian J Dermatol Venereol Leprol 2002;68:92-3.  Back to cited text no. 3
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4.Kar PK. Vitiligo: A study of 120 cases. Indian J Dermatol Venereol Leprol 2001;67:302-4.  Back to cited text no. 4
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6.Koranne RV, Sehgal VN, Sachdeva KG. Clinical profile of vitiligo in North India. Indian J Dermatol Venereol Leprol 1986;52:81-2.  Back to cited text no. 6
7.Khaitan BK, Kathuria S, Ramam M. A descriptive study to characterize segmental vitiligo. Indian J Dermatol Venereol Leprol 2012;78:715-21.  Back to cited text no. 7
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8.Mosher DB, Fitzpatrick TB, Hori Y, et al. Disorders of pigmentation. In: Fitzpatrick TB, Eisen AZ, Wolff K, et al. editor. Dermatology in general medicine. 4th ed. New York: McGraw-Hill; 1993;p.903-995.  Back to cited text no. 8
9.Howits J, Brodthagen H, Schwarts M, Thomsen K. Prevalence of vitiligo. Epidemiological survey the Isle of Bornholm, Denmark. Arch Dermatol 1977;113:47-52.  Back to cited text no. 9
10.Majumder PP, Das SK, Li CC. Genetic model for vitiligo. Am J Hum Genet 1988;43:119-25.  Back to cited text no. 10
11.Sehgal VN, Srivastava G. Vitiligo: Compendium of clinicoepidemiological features. Indian J Dermatol Venereol Leprol 2007;73:149-56.  Back to cited text no. 11
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12.Naik AU. Vitiligo: Compilation of clinico-epidemiological features in patients attending tertiary care government hospital, Thane. Australas Med J 2010:3;826-32.  Back to cited text no. 12
13.Shankar DS, Shashikala K, Madala R. Clinical patterns of vitiligo and its associated co morbidities: A prospective controlled cross-sectional study in South India. Indian Dermatol Online J 2012;3:114-8.  Back to cited text no. 13
14.Misri R, Khopkar U, Shankarkumar U, Ghosh K. Comparative case control study of clinical features and human leukocyte antigen susceptibility between familial and nonfamilial vitiligo. Indian J Dermatol Venereol Leprol 2009;75:583-7.  Back to cited text no. 14
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15.Reghu R, James E. Epidemiological profile and treatment pattern of vitiligo in a tertiary care teaching hospital. Int J Pharm Sci 2011;3:137-41.  Back to cited text no. 15
16.Mchepange UO, Gao XH, Liu YY, Liu YB, Ma L, Zhang L, Chen HD. Vitiligo in North-Eastern China: An association between mucosal and acrofacial Lesion. Acta Derm Venereol 2010;90:136-40.  Back to cited text no. 16
17.Alissa A, Al Eisa A, Huma R, Mulekar S. Vitiligo-epidemiological study of 4134 patients at the National Center for Vitiligo and Psoriasis in Central Saudi Arabia. Saudi Med J 2011;32:1291-6.  Back to cited text no. 17
18.Karelson M, Kingo K, Salum T, Koks S, Silm H. An adult's vitiligo in Estonia: Study of 155 patients. Open Dermatol J 2009;3:68-72.  Back to cited text no. 18
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20.Dave S, Thappa DM, DSouza M. Clinical predictors of outcome in vitiligo. Indian J Dermatol Venereol Leprol 2002;68:323-5.  Back to cited text no. 20
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  [Table 1], [Table 2], [Table 3], [Table 4], [Table 5], [Table 6], [Table 7]

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