Search PubMed⌕ Search

Biomedical subjects

Sunil Dogra

Publications and source records attributed to Sunil Dogra.

At least 55 records · Page 3Linked to original sources

Diffuse cutaneous mastocytosis: pseudoxanthomatous variant.

Diffuse cutaneous mastocytosis is one of the extremely rare benign forms of mastocytosis that have varied clinical presentations. The pseudoxanthomatous variant is an extremely rare multinodular nonpigmented entity. Only two cases have been reported so far in the literature. We report a 21 year old female patient who had diffusely infiltrated skin with multiple papulo-nodular lesions resembling xanthomas and the classical histopathological features of mastocytosis.

Adult↗

Combined 12-month WHO/MDT MB regimen and Mycobacterium w. vaccine in multibacillary leprosy: a follow-up of 136 patients.

A total of 136 patients with BI > or = 2 having been followed up for at least 2 years or more were included in the analyses. Seventy-seven out of 136 patients had completed three years follow up. All patients were given WHO/MDT MB regimen for 12 months and additionally 4 doses of Mycobacterium w. vaccine at 3-month intervals. The age of the patients varied from 6 to 77 years (mean 34 +/- 11.3 years) and they had the disease varying from 3 months to 7 years (mean = 1.9 +/- 1.4 years). The mean of the BI before starting treatment was 3.6 +/- 1.3. At the end of 2 years follow-up, a total of 54 patients out of the 136 (39.7%) had become smear-negative. A larger proportion of patients, 39/46 (84.8%) with BI of < or = 3 had become smear-negative, whereas, only 10/32 (31.3%) patients with BI between 3.1 to 4 and 5/58 (8.6%) highly bacillated patients having initial BI > 4 had become smear-negative at the end of 2 years. Out of the 77 patients who were available for follow up at 3 years, 30/33 (90.9%) patients with BI of < or = 3, 15/20 (75%) patients with BI between 3.1 to 4 and 13/24 (54.2%) patients having initial BI > 4, respectively, had attained smear negativity. Reactions occurred more frequently after 6 months of therapy and over a period of time their frequency gradually decreased, however, they continued to occur even two years after RFT. During the course of MDT and thereafter in follow up 4.6% and 1.3% of the patients developed new deformities or an increase in the existing grade of deformities, respectively. Three relapses (2 in LL and 1 in BL) occurred in patients having initial BI of > 4. One patient relapsed in the second year and the other two relapsed in the third year of follow up and were successfully treated with reintroduction of the same MDT MB regimen. Local ulceration healing with scar formation and regional lymphadenopathy were the only local reactions to the vaccine seen in 47/136 (34.5%) patients. All the patients showed histopathological improvement in the form of a gradual reduction of granuloma fraction. Although the results of this limited period follow up are satisfactory, a long-term follow-up in larger number of patients will settle the issue of safety and efficacy of shortened MDT MB regimen and the place of immunotherapy with M. w. vaccine in multibacillary patients.

Adolescent↗

Epidemiology of childhood vitiligo: a study of 625 patients from north India.

To study the clinical and epidemiologic profile of childhood vitiligo, we retrospectively analyzed the data of children with vitiligo attending the pigmentary clinic of our center. Of the 625 children seen over 10 years, 357 (57.1%) were girls and 268 (42.9%) were boys. As compared to adult patients with vitiligo, this sex difference was found to be statistically significant (p < 0.001). The mean age of onset of the disease was 6.2 years. Vitiligo vulgaris (generalized vitiligo) was the most common type, followed by focal, segmental, acrofacial, mucosal, and universal, in that order. The most frequent site of onset was the head and neck, followed by the lower limbs, trunk, upper limbs, and mucosae. Leukotrichia was present in 77 patients (12.3%), while Koebner phenomenon was observed in 71 patients (11.3%). Halo nevi were observed in 29 patients (4.4%). Seventy-six patients (12.2%) had a family history of vitiligo. Eight patients (1.3%) had an associated autoimmune disease. These associated disorders were alopecia areata in two patients, and diabetes mellitus, thyroid disease, Addison disease, polyglandular syndrome, and pemphigus vulgaris in one patient each.

Adult↗

Plica neuropathica: a mystery.

Plica neuropathica is a rare, acquired condition of sudden onset characterized by irreversible matting of hair. The exact mechanism is not understood, but multiple factors such as physical conditions, chemical agents, and behavioral factors play main roles. Cutting of the affected hair and avoiding all possible triggering factors are the only effective treatments. We report a 14-year-old boy with this condition.

Adolescent↗

Woolly hair nevus.

Explore the source record for details and available documents.

Child↗

Epidemiology of skin diseases in school children: a study from northern India.

Little information is available about the prevalence of skin conditions among children in the general population of northern India. Low socioeconomic status, malnutrition, overcrowding, and poor standards of hygiene are important factors accounting for the distribution of skin diseases in developing countries such as India. In order to estimate the burden and relative frequency of dermatologic diseases among children in the community, we measured the point prevalence of skin conditions in 12,586 Indian school children ages 6-14 years. The overall point prevalence of one or more identifiable/apparent skin conditions was 38.8%. Of those studied, 3786 children (30%) had only one skin disease, 765 (6%) had two, and 336 (2.7%) had three skin pathologies. The most common skin conditions and their respective point prevalences were skin infections (11.4%), pityriasis alba (8.4%), dermatitis/nonspecific eczemas (5.2%), infestations (5.0%), disorders of pigmentation (2.6%), keratinization disorders (mostly keratosis pilaris) (1.3%), and nevi/hamartomas (1.1%). This study shows that skin conditions are common in children and about one-third of them are affected at any given time. The finding that more than 85% of the disorders can be grouped into fewer than eight categories is important in designing training programs for medical teams involved in the delivery of primary health care services in developing countries such as India, where about one-third of the population is less than 15 years of age.

Adolescent↗