Idiopathic guttate hypomelanosis - DermNet
Idiopathic guttate hypomelanosis can affect both sexes, all races, and all skin phototypes. Women and patients with skin of colour are most likely to present for medical attention. Idiopathic guttate hypomelanosis becomes more common with age, affecting 50% in the fourth decade (31–40 years), 50–80% of people over 40 years of age, and >90% ...
Idiopathic guttate hypomelanosis dermoscopy
2018年5月2日 · What is idiopathic guttate hypomelanosis? Idiopathic guttate hypomelanosis is a common acquired form of leukoderma characterised by flat porcelain-white macules on sun-exposed areas. The classical sites are the forearms, legs and trunk. Clinical features of idiopathic guttate hypomelanosis
Leukoderma
[see Dermoscopy of vitiligo, Idiopathic guttate hypomelanosis dermoscopy] Skin biopsy is not routinely required but can confirm the absence of melanocytes and/or melanin in the epidermis. A biopsy may be taken to determine an associated underlying skin condition. What is the differential diagnosis for leukoderma? Hypopigmentation of any cause
Idiopathic guttate hypomelanosis image - DermNet
What is idiopathic guttate hypomelanosis? Idiopathic guttate hypomelanosis is a common acquired form of leukoderma that presents as small flat pale or white spots on the sun-exposed limbs.
Dermoscopy of vitiligo
Idiopathic guttate hypomelanosis dermoscopy: shows a similar glow but unlike vitiligo, the white area is clearly demarcated from normal skin. Guttate hypomelanosis has amoeboid (pseudopod-like border), petaloid, feathery and nebuloid (gradually fading border) morphological variants. [see Idiopathic guttate hypomelanosis dermoscopy]
Progressive macular hypomelanosis - DermNet
Progressive macular hypomelanosis mainly affects the trunk, rarely extending to the arms, legs and/or neck. There are multiple, circular, poorly defined pale and non- scaly spots that merge together. The patches are not scaly, unlike hypopigmented pityriasis versicolor , which can also cause pale patches on the trunk.
Fungal skin infections. Pityriasis versicolor - DermNet
Guttate psoriasis (red scaly plaques, look for psoriatic lesions elsewhere) Idiopathic guttate hypomelanosis (affects shins and forearms, due to photoageing) Pityriasis alba (large patches on face and upper arms) Pityriasis rosea (short history and rapid onset)
Vitiligo: Causes, Types, and Treatment - DermNet
2015年6月4日 · Idiopathic. Progressive macular hypomelanosis. Idiopathic guttate hypomelanosis. What is the treatment for vitiligo? There is no cure for vitiligo and treatment is often unsatisfactory. The aim is to stop progression of the disease (stabilisation), and to achieve satisfactory re-pigmentation.
Guttate hypomelanosis image - DermNet
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Skin of colour - DermNet
Idiopathic guttate hypomelanosis; Keloids; Keratosis palmaris et plantaris; Laser therapy in skin of colour; Melasma; Melanoma in skin of colour; Naevi of Ota and Ito; Pigmentation; Pigmentation disorders ; Postinflammatory hyperpigmentation ; Progressive macular hypomelanosis; Prurigo pigmentosa; Pseudofolliculitis barbae; Sarcoidosis