| eruption cyst | A form of dentigerous cyst in the soft tissues in conjunction with an erupting tooth; seen on the alveolar ridge of children. (05 Mar 2000) |
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| kaposi varicelliform eruption | A generalised vesiculopustular eruption of viral origin, superimposed upon a preexisting atopic dermatitis. It may be caused by herpes simplex virus (herpes virus hominis) (eczema herpeticum) or vaccinia virus (eczema vaccinatum). (12 Dec 1998) |
| feigned eruption | Self-induced skin lesions resulting from habitual rubbing, scratching or hair-pulling, malingering, or mental disturbance. Synonym: dermatitis autophytica, factitial dermatitis, feigned eruption. (05 Mar 2000) |
| fixed drug eruption | A type of drug eruption that recurs at a fixed site (or sites) following the administration of a particular drug; the lesions usually consist of intensely erythematous and purplish, sharply demarcated macules, and occasionally of herpetic vesicles; the affected areas undergo gradual involution, but flare and enlarge on readministration of the offending drug and may become hyperpigmented. Iodine eruption, an acneform or follicular eruption or granulomatous lesion caused by a reaction to systemic iodine or iodide administration. Kaposi's varicelliform eruption, a now rare complication of vaccinia superimposed on atopic dermatitis, with generalised vesicles and vesicopapules and high fever. Synonym: eczema vaccinatum. (05 Mar 2000) |