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Biomedical subjects

Binod K Khaitan

Publications and source records attributed to Binod K Khaitan.

13 recordsLinked to original sources

Diagnostic clinical features of pentazocine-induced ulcers.

BACKGROUND: Pentazocine was introduced in 1967 as a "non-narcotic, nonaddicting" analgesic. However, the abuse potential of this medication was soon recognized, and cutaneous and muscular complications of pentazocine abuse have been reported. METHODS: Demographic and clinical data on 10 patients with pentazocine-induced ulcers attending the Dermatology Outpatient Department of the All India Institute of Medical Sciences (AIIMS), New Delhi, India between November 2000 and October 2002 have been compiled. RESULTS: Ten patients with pentazocine-induced ulcers were seen at AIIMS between November 2000 and October 2002, six of whom were female. The average age of these patients was 32 years. The duration of the complaints ranged from 10 days to 7 years (average 17.5 months). Nine of the 10 patients had past history of painful medical conditions for which they had received pentazocine injections. All the patients presented with deep ulcers and sinuses over the accessible sites. The margins of these ulcers were hyperpigmented and indurated. Six patients had scars along the superficial vein access sites. Three patients had puffy-hand syndrome, while two had muscle contractures. No underlying psychiatric disorders were found in any of these patients. Urine screening for pentazocine was positive in two patients. Antinuclear antibody (ANA), antineutrophil cytoplasmic antibody (ANCA) and antibody against DNA (antidsDNA) tests and screening for infections such as human immunodeficiency virus (HIV), hepatitis B virus (HBV) and hepatitis C virus (HCV) were negative in all patients. CONCLUSIONS: Pentazocine abuse can be suspected from cutaneous findings, even when the patient does not volunteer a history of self-medication. Recognition of the condition will prevent misdirected investigations and treatment. The patient should be encouraged to seek treatment for drug dependence.

Adult↗

A comparative study of punch grafting followed by topical corticosteroid versus punch grafting followed by PUVA therapy in stable vitiligo.

BACKGROUND: Punch grafting followed by PUVA is an established therapy for stable vitiligo, but punch grafting followed by topical corticosteroid has never been evaluated. OBJECTIVE: The aim of this study was to evaluate the efficacy of topical corticosteroid in perigraft pigmentation and to compare it with perigraft pigmentation after PUVA in patients with stable vitiligo. METHODS: Fifty patients with stable vitiligo of various clinical types were subjected to punch grafting. In a randomized case study, these patients were divided into two groups: One group received post punch-grafting PUVA (group I) and the other group post punch-grafting topical application of fluocinolone acetonide 0.1% (group II). During the follow-up period of 6 months, six patients were lost to follow-up, and two patients were excluded from the study; 42 patients were evaluated for pigment spread and side effects. RESULTS: In group I, the average pigment spread was 6.38 mm, whereas in group II, it was 6.94 mm, showing a slightly higher pigment spread in group II, which was statistically not significant (P=0.301). There was no difference in response to therapy in patients having segmental vitiligo as compared with nonsegmental vitiligo. Cobblestoning, depigmentation of the grafts, infection, and graft displacement were the important side effects seen in some patients in both the groups. CONCLUSION: The study shows that the pigment spread with topical corticosteroid is comparable to that with PUVA. However, the studies with long-term follow-up are required to establish this. The advantages of topical corticosteroid are that its use is easy, less cumbersome, cheaper, and more cost effective than PUVA.

Combined Modality Therapy↗

Phaeohyphomycosis caused by Exophiala spinifera in India.

The second case of phaeohyphomycosis due to Exophiala spinifera in India has been diagnosed 46 years after the initial case. The present case involved a 12-year-old female patient with no known immunocompromising conditions. She presented with multiple verrucous, well-defined plaques encompassing phaeohyphomycotic lesions of varying sizes on her face, chest, arms and thighs. Lymph node involvement in dissemination was confirmed by demonstrating pigmented fungal elements in histopathology of the left axillary node. The infection responded positively to prolonged administration of itraconazole. The original case involved a young boy and was similarly disseminated but was more severe, with bone involvement, and had a fatal outcome. It is likely that other such cases have occurred in the intervening time but have not been reported.

Antifungal Agents↗

Lipoid proteinosis in two siblings: a report from India.

Lipoid proteinosis is an autosomally recessive genodermatosis characterized by widespread deposition of eosinophilic hyaline-like material in the skin, mucous membranes, and other internal organs. Occurrence of lipoid proteinosis in siblings is very rare. We report two siblings from the Indian subcontinent with the classical features of lipoid proteinosis. Both the siblings had had hoarseness of voice and spontaneous vesicular eruptions healing with atrophic scars since their early childhood. They had diffuse waxy thickening of the skin along with beaded papules along the eyelid margin. The tongue was also infiltrated. Skin biopsy demonstrated periodic acid Schiff (PAS) positive eosinophilic material around the blood vessels and appendages.

Biopsy, Needle↗

Superficial basal cell carcinoma on face treated with 5% imiquimod cream.

Imiquimod, an immune response modifier, is known to possess both anti-viral and anti-tumor effect. We report our experience of treating a large superficial spreading basal cell carcinoma with 5% imiquimod cream. A 65-year-old male had an asymptomatic, hyperpigmented, slowly progressive, indurated, 3 x 4 cm plaque on the left cheek for two months. Biopsy from the lesion showed features of basal cell carcinoma. The patient was treated with imiquimod 5% cream, topically three times a week for six months with complete resolution of the lesion and without any side-effects. There was no clinical or histological recurrence after three months of stopping the treatment.

Aged↗

Profile of systemic sclerosis in a tertiary care center in North India.

AIM: To study the clinical and immunological profile in patients of systemic sclerosis from North India and compare it with other ethnic groups. METHODS: Patients presenting to us between the years 2001 and 2004 and fulfilling the American Rheumatism Association (ARA) criteria for systemic sclerosis were included. There were 84 females and 16 males with the mean age of 32.5 +/-11.62 years and a mean duration of 6.49 +/- 4.34 years. All patients were admitted to the dermatology ward for detailed history and examination including Rodnan score. Investigations including hemogram, hepatic and renal functions, serum electrolytes, urine for albumin, sugar, microscopy and 24h urinary protein estimation, antinuclear antibody, chest X-ray, barium swallow, pulmonary function test, electrocardiogram and skin biopsy were done. RESULTS: The most common presenting symptoms were skin binding-down (98.5%), Raynaud's phenomenon 92.9%, pigmentary changes 91%, contracture of fingers 64.6%, fingertip ulcer 58.6%, restriction of mouth opening 55.5%, dyspnea 51.1%, joint complaints 36.7% and dysphagia in 35.2%. The mean Rodnan score was 25.81 +/- 10.04 and the mean mouth opening was 24.6 +/- 19.01 mm. The laboratory abnormalities included raised ESR in 87.8%, ANA positive in 89.1%, proteinuria in 6.0%, abnormal chest X-ray in 65.3%, abnormal barium swallow in 70.2% and reduced pulmonary function test in 85.8%. CONCLUSION: The clinical and immunological profile of systemic sclerosis in North India is similar to that of other ethnic groups except that pigmentary changes are commoner and renal involvement is relatively uncommon.

Adolescent↗