Maladies de la peau décrites initiallement par des dermatologues japonais (Pour les professionnels)

Skin Diseases Described By Japanese Dermatologists (For Professionals)

A few conditions described (non-exhaustive):

Ota – nevus of Ota (1939), nevus fusco-coerelus ophtalmomaxillaris. Ota was also a writer

Ofuji

• eosinophilic pustular folliculitis (1970)

1. mostly affects individuals between 20 and 30.
2. Eosinophilic puistules on histology with blood eosinophilia
3. 3 types: classic, immmunosuppressive (HIV), infancy-associated.
4. Treatments: indomethacin (most effective by inhibiting prostaglandin 2 production), dapsone, minocycline, topical tacrolimus, oral cyclosporine, topical corticosteroids (steroids).

• -papuloerythroderma (1984):

1. mostly affects individuals around the age of 60. Often associated with the presence of malignancy.
2. presents clinically as a lichenoid eruption with cobblestone-like appearance, then erythroderma with a deck chair sign.
3. On histology perivasculaire infiltrate and peripheral eosinophilia
4. Treatment consists of topical and oral corticostéroids and phototherapy.

Imomura. Lipodytrophia Centriofugatum Abdominalis Infantilis

Hori 1984: Acquired dermal melanocytosis (Hori’s nevus)

Toyama 1929. Dyschromatosis symmetrica Herdeditaria

Nagashima 1971 Prurigo Pigmentosa:

• presents clinically as an erythema which leaves a reticulate pigmentation
• Treatment with minocycline and dapsone are effective if given early

Hidano 1984: Frictional Dermatosis

• Because of mechanical friction (brush) pigmentation on bony regions
• Could be seen in countries where massages are prevalent (Turkey)

Contributors:

Dr Christophe HSU – dermatologist. Geneva, Switzerland

Miyachi Y, The Many Faces of Asian Dermatology – 22nd World Congress of Dermatology (WCD) – Seoul, South Korea