Granuloma annulare and necrobiosis lipoidica treated by jet injector

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Abstract
A Porto-jet injector was employed to treat forty-five cases of granuloma annulare and five cases of necrobiosis lipoidica with triamcinolone acetonide or sterile normal saline. Complete clearance of granuloma annulare lesions was achieved in nearly 70% of those receiving triamcinolone and in 44% with saline. Inadequate penetration of lesions was responsible for a number of failures. The rate of recurrence after treatment was high but retreatment was usually successful. In three cases of necrobiosis lipoidica complete resolution occurred, while in one, partial improvement was obtained. No serious complications of this type of treatment were observed.

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