๐Ÿ—‚ ็ธฝ็›ฎ้Œ„ ๏ฝœ ๐Ÿ“– ่‹ฑๆ–‡ๅŽŸๆ–‡๏ผˆๆœฌ็ฏ‡๏ผ‰ ๏ฝœ ๐Ÿ“ ๅฎŒๆ•ด็ฟป่ญฏ ๏ฝœ โญ ็ฒพ่ฏ็ญ†่จ˜

DYSHIDROTIC ECZEMATOUS DERMATITIS

DYSHIDROTIC ECZEMATOUS DERMATITISย ย ICD-10: L30.1

โ€ข Dyshidrotic eczema is a special vesicular type of hand and foot dermatitis. Acute, chronic, or recurrent dermatosis of the fingers, palms, and soles.
โ€ข Sudden onset of many deep-seated pruritic, clear โ€œtapioca-likeโ€ vesicles (Fig. 2-20).
โ€ข Large bullae can occur (pompholyx).
โ€ข Later scaling fissures and lichenification.
โ€ข Itching, when erosive painful.
โ€ข Secondary bacterial infection: pustules, cellulitis, lymphangitis, and painful lymphadenopathy.
โ€ข Recurrent attacks are the rule.
โ€ข Treatment: topical high-potency corticosteroids, intralesional triamcinolone 3 to 5 mg/mL for small areas; in severe cases, a short course of prednisone: starting with 1 mg/kg and tapering over 2 to 3 weeks; systemic antibiotics for secondary infections. Also phototherapy, cyclosporine, methotrexate.

Synonyms: Pompholyx, vesicular palmar eczema.

A

B

FIGURE 2-20 โ€ข Dyshidrotic eczematous dermatitisโ€‚Confluent tapioca-like vesicles on the lateral aspects of fingers (A) and finger webs and dorsa (B).