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Biomedical subjects

Devinder Mohan Thappa

Publications and source records attributed to Devinder Mohan Thappa.

14 recordsLinked to original sources
PubMed2003

Blue lunula due to hydroxyurea.

Alteration in the color of lunula can be an indication of either a cutaneous or systemic disorder or a systemic drug side effect. Hydroxyurea, an antitumor systemic agent (a ribonucleoside diphosphate reductase inhibitor) used in the treatment of refractory psoriasis as well as in the variety of neoplastic disorders is known to cause brownish pigmentation of the nails but hydroxyurea induced blue lunula is very rare. It is being reported in a 45-year-old man with chronic recalcitrant plaque psoriasis on oral hydroxyurea 500 mg twice daily. Lunular pigmentation in finger and toenails developed two weeks later. During follow up, pigmentation remained localized to the proximal portion of nails.

Antineoplastic Agents↗
PubMed2003

Ichthyosis hystrix.

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Child, Preschool↗
PubMed2002

Common skin problems.

Dermatological problems manifesting as primary and secondary cutaneous complaints, constitute at least 30% of all outpatient visits to a pediatrician and 30% of all visits to dermatologists involve patients of pediatric age group. There is, however, a paucity of data about pediatric dermatoses in India, which has been reviewed to the extent possible. A brief account of common dermatological problems in India mainly infestations (pediculosis capitis, scabies) and infections (pyoderma, molluscum contagiosum, warts, herpes simplex infection, varicella, herpes zoster, tinea capitis and corporis, tinea versicolor, and candidiasis) has been given. At the end, common pediatric dermatological emergencies have been short-listed. Erythema multiforme and its variants and acrodermatitis enteropathica are discussed briefly.

Child↗
PubMed2002

Pellagra and skin.

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Diagnosis, Differential↗