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Sequential renal functions have been studied in eight patients of lepromatous leprosy during and after subsidence of erythema nodosum leprosum. The renal functions which were impaired during reaction were observed to improve during quiescent phase unless there were associated complications like amyloidosis. The possible mechanisms for altered renal functions during reactive phase of the disease have been discussed.

To find out the incidence of hypersensitivity to antimicrobial drugs patch tests with various commercially available antimicrobial agents were carried out in 112 patients suspected of contact sensitivity to these substances. Eighty eight patients showed positive reaction to one or more drugs. H incidence of contact sensitivity was observed with neomycin (48%), nitrofurazone (460/o) and bromsalicyl chloranilide (45%), while gentian violet gentamicin and povidone iodine were found to be the least sensitizers (5%, 6% and 70/o - respectively). Multiple hypersensitivity (four or more drugs) was observed in 25 patients and a large number of them had ulcers at the time of study or in the past.

The nails are commonly involved in cases of lichen planus of the skin and mucous membranes. However, in rare instances, the nails alone may be affected. A case of lichen planus limited to the nails in a 10-year-old boy is reported.