๐ ็ธฝ็ฎ้ ๏ฝ ๐ ่ฑๆๅๆ๏ผๆฌ็ฏ๏ผ ๏ฝ ๐ ๅฎๆด็ฟป่ญฏ ๏ฝ โญ ็ฒพ่ฏ็ญ่จ
NUMMULAR ECZEMA
NUMMULAR ECZEMAย ย ICD-10: L30.9
โข Nummular eczema is a chronic, pruritic, inflammatory dermatitis occurring in the form of coin-shaped plaques composed of grouped small papules and vesicles on an erythematous base (Fig. 2-21).
โข It is especially common on the extremities during winter months when xerosis is maximal; often seen in atopic individuals.
โข S. aureus is often present but pathogenic significance has not been proven.
โข Very pruritic. Course is chronic, lesions last from weeks to months.
โข Management: Hydrate skin with moisturizer or moisturizing cream, topical glucocorticosteroids; phototherapy and other atopic dermatitis therapies can be very effective.
Synonyms: Discoid eczema.
FIGURE 2-21 โข Nummular eczemaโPruritic, round, nummular (coin-shaped) plaques with erythema, scales, and crusts that have coalesced on the upper arm.