Low-dose isotretinoin (0.5 mg/kg/day) is a mode of therapy for mild to moderate grades of acne.We analyzed the various trials of this mode of therapy with or without combination with topical agents.We also statistically analyzed the results, efficacy and relapse rates of standard therapy in comparison with the low-dose therapy. Our analysis of the data revealed that the efficacy and relapse rates of low-dose isotretinoin in mild to moderate grades of acne is comparable with the standard regimen (1 mg/kg/day), which is given in the severe grade of acne vulgaris. Thus, the grade of acne vulgaris should dictate the dose of administration of isotretinoin and the standard dose of 1 mg/kg/day is an unnecessary overtreatment for mild to moderate grades of acne.

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Background : The B vitamins niacinamide and panthenol have been shown to reduce many signs of skin aging, including hyperpigmentation and redness. Aims : To measure the facial skin effects in Indian women of the daily use of a lotion containing niacinamide, panthenol, and tocopherol acetate using quantitative image analysis. Methods : Adult women 30-60 years of age with epidermal hyperpigmentation were recruited in Mumbai and randomly assigned to apply a test or control lotion to the face daily for 10 weeks. Effects on skin tone were measured using an image capturing system and associated software. Skin texture was assessed by expert graders. Barrier function was evaluated by transepithelial water loss measurements. Subjects and evaluators were blinded to the product assignment. Results : Of 246 women randomized to treatment, 207 (84%) completed the study. Women who used the test lotion experienced significantly reduced appearance of hyperpigmentation, improved skin tone evenness, appearance of lightening of skin, and positive effects on skin texture. Improvements versus control were seen as early as 6 weeks. The test lotion was well tolerated. The most common adverse event was a transient, mild burning sensation. Conclusions : Daily use of a facial lotion containing niacinamide, panthenol, and tocopheryl acetate improved skin tone and texture and was well tolerated in Indian women with facial signs of aging.

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Human papillomaviruses (HPV) are responsible for both benign anogenital warts and malignant disease in humans, especially cervical cancer. Dermatologists in India recognize a great many cases of anogenital warts, and afflicted individuals may be at increased risk of coinfection with oncogenic HPV types. For this reason, dermatologists are in a position to identify potential carriers of oncogenic HPV types in the population. By targeting these individuals and their partners, as well as unaffected individuals for vaccination with the quadrivalent HPV vaccine, dermatologists have the ability to impact the morbidity and mortality of cervical cancer in India.

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Lichen planus (LP) and lichen nitidus (LN) present with varied morphology on the palms and soles. We present four unusual cases of palmoplantar LP and LN manifesting as hyperkeratotic plaques with pits. The diagnosis was confirmed histologically. Subtle features like presence of violaceous border suggests LP and plugs within the pits suggest LN.

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Epidermolytic acanthoma (EA) is a rare benign tumor that shows epidermolytic hyperkeratosis (EH) on histopathology. It can occur in a solitary or disseminated form. This condition needs to be distinguished from other hereditary or acquired conditions that may show EH. We diagnosed an unusual case of EA of the vulva presenting in a linear pattern in a 50-year-old lady based on the clinical features and typical histopathological findings and stress the importance of considering epidermolyic acanthoma in the differential diagnosis of verrucous lesions of the genitalia.

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Lichen sclerosus (LS) is a chronic inflammatory skin disease, which most commonly involves the anogenital region. The etiology of LS is obscure, but genetic susceptibility, autoimmune mechanisms, infective agents like human papillomavirus and spirochaetes, and Koebner phenomenon has been postulated as causative factors. We report our observation in 6 patients (3 males and 3 females) with histologically proven lichen sclerosus that showed relative sparing of the uncovered areas of the genitals, thereby suggesting that the occlusion of the genital skin may be playing a greater role in the causation of LS than is currently thought, in both sexes.

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Background: Rapid urbanization, westernization of lifestyles, poor quality of objects available and extremely relaxed vigilance on adherence to 'product safety guidelines' make any developing country like India highly susceptible to allergic contact dermatitis (ACD) even in children. There has been no previous attempts to assess the magnitude of childhood ACD in India. Aims: To assess the clinico-allergological profile of ACD in Indian children. Methods: All consecutive children up to 15 completed years of age who were patch tested over the last 3 years were analyzed from the records. Results: A total of 70 children were studied (average age of disease onset 8.39±3.59 years [SD], range 1-15 years and average age of presentation 10.8 ± 2.99 years [SD], range 5-15 years). Relevant allergy was noted in 48.6% of the patients. Age and sex had no significant role on the prevalence of ACD. Common allergens were paraben (43%), potassium dichromate (27%) and fragrance mix (26%). Most relevant allergens were potassium dichromate, paraben and fragrance. Foot was the most commonly involved site (25.7% of patients). Atopy was present in 18 patients (25.7%). A total of 22 irritant reactions were noted in 13 patients. Conclusion: This study reflects the current status of childhood ACD of this region.

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Background: Lupoid cutaneous leishmaniasis (CL) is known as the chronic form of CL. However, keeping its clinical presentation in view, there is a need to revisit this form of disease. Aims: To redefine/describe lupoid CL in view of clinical features. Methods: It was a case series seen in Muzaffarabad (Pakistan) from Jan 2006 to May 2008. All patients clinically suggestive and consistent with laboratory diagnosis of CL were registered. Patients of all age groups and either sex having cutaneous lesions resembling lupus vulgaris or lupus erythematosus on the face or elsewhere were included in the study. Those having chronic fluctuating/relapsing course or scarring within the lesions were also included. Various demographic features of the patients and clinical patterns were recorded. Descriptive statistics were used for analysis. Results: Of 254 registered patients of CL, 16 (6.3%) were diagnosed as lupoid CL. None of the patients had scarred lesions. Age ranged from 38 to 75 (55 + 15.11) years and duration of lesions varied from 4 to 32 (14.25 + 07.59) weeks. All patients had lesions over the face. Thirteen (81.25%) had a large solitary plaque extending over the nose and a large part of the cheeks and three (18.75%) had multiple lesions. Lesions were central/nasal in two (12.5%), unilateral/asymmetrical in four (25%) and bilateral/symmetrical in 10 (62.5%). Morphological patterns included erythematous/infiltrated (7), psoriasiform (6), ulcerated/crusted (2) and Discoid lupus erythematosus (DLE)[G1] like (1). Conclusion: Lupoid CL is not strictly a chronic form of disease, which presents on the face from the very onset and shows no scarring or recurrence.

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Background: The diagnosis of pemphigus vulgaris (PV) and pemphigus foliaceous (PF) rests upon clinical, histological and immunofluorescence features. Enzyme-linked immunosorbent assay (ELISA) test and immunoblot (IB) assay have shown variable sensitivity and specificity. Aims: We compared the utility of ELISA and IB in pemphigus patients. Methods: Sixty-six pemphigus cases (PV-54, PF-12) and 72 controls (other vesicobullous disorders and healthy controls) were inducted. ELISA for anti-Dsg 3 and 1 antibodies and IB assay were performed. Results: On ELISA, both mean anti-Dsg 1 and 3 titers were raised in PV and PF. Mean anti-Dsg 1 in mucocutaneous PV was significantly higher than in mucosal PV and mean anti-Dsg 3 was significantly raised in PV than in PF. Anti-Dsg 1 and 3 in the control group were negative. Sensitivity and specificity of ELISA in PV was 98.14% and 90.5% while in PF it was 91.6% and 61.1%, respectively.On IB in PV, 36 cases (66.67%) showed the 130 kDa and 160 kDa antigen bands, 12 (22.2%) only the 130 kDa and six (11.1%) only the 160 kDa band. Eight of the nine pure mucosal cases (88.8%) showed only the 130 kDa. In PF, only the 160 kDa antigen was detected. These antigens were not identified in the control group. Sensitivity and specificity of IB in PV was 88.9% and 100% and in PF it was 100% and 95.2%, respectively. Conclusion: Both tests could differentiate pemphigus from other dermatoses, including other blistering disorders. ELISA could not make a distinction between PV and PF or between the various clinical phenotypes of PV. IB differentiated between PV and PF and the different clinical variants of PV.

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Penicillium marneffei infections normally manifest as molluscum contagiosum like skin lesion in HIV-infected persons. We report a case with verrucous lesions over nose and face due to Penicillium marneffei infection after HAART treatment. A 28-year-old man presented, after two weeks of HAART treatment, with multiple erythematous, scaly, papules and nodules with central necrosis predominantly in face and both extremities and scrotum. Microbiological investigations confirmed the diagnosis of Penicillium marneffei infection. This is perhaps the first case report with such manifestation due to Penicillium marneffei infection.

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Background and Aims: It is necessary to know the baseline knowledge, attitude, and practices about human immunodeficiency virus/acquired immunodeficiency syndrome among young people and the changes in these with intervention to guide prevention efforts. Methods: A cross-sectional pre- and post-survey with health education as a method of intervention was carried out in four different randomly selected schools and junior colleges among the Class IX-XII students of both sex. Instrument developed by the World Health Organization (WHO)/UNAIDS in their best practice recommendations was used for data collection. Results: Knowledge about all correct methods was present in 61.23% of the respondents. Knowledge of at least two methods of prevention was present in 70.31% of the respondents. Misconceptions about prevention were that good diet (33.42%), avoiding mosquito bite (49.71%) and avoiding public toilets (65.14%) could help in the prevention. With intervention, there was an improvement in the knowledge. However, the proportion of students with misconceptions did not come down. Correct knowledge about two methods of prevention also did not reach the WHO recommendation of 90%. Conclusion: It is very difficult to change the attitude and practices by a single health educational intervention and an ongoing behavior change communication is recommended.

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