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Dermoscopy in General Dermatology: A Practical Overview

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ABSTRACT

Over the last few years, dermoscopy has been shown to be a useful tool in assisting the noninvasive diagnosis of various general dermatological disorders. In this article, we sought to provide an up-to-date practical overview on the use of dermoscopy in general dermatology by analysing the dermoscopic differential diagnosis of relatively common dermatological disorders grouped according to their clinical presentation, i.e. dermatoses presenting with erythematous-desquamative patches/plaques (plaque psoriasis, eczematous dermatitis, pityriasis rosea, mycosis fungoides and subacute cutaneous lupus erythematosus), papulosquamous/papulokeratotic dermatoses (lichen planus, pityriasis rosea, papulosquamous sarcoidosis, guttate psoriasis, pityriasis lichenoides chronica, classical pityriasis rubra pilaris, porokeratosis, lymphomatoid papulosis, papulosquamous chronic GVHD, parakeratosis variegata, Grover disease, Darier disease and BRAF-inhibitor-induced acantholytic dyskeratosis), facial inflammatory skin diseases (rosacea, seborrheic dermatitis, discoid lupus erythematosus, sarcoidosis, cutaneous leishmaniasis, lupus vulgaris, granuloma faciale and demodicidosis), acquired keratodermas (chronic hand eczema, palmar psoriasis, keratoderma due to mycosis fungoides, keratoderma resulting from pityriasis rubra pilaris, tinea manuum, palmar lichen planus and aquagenic palmar keratoderma), sclero-atrophic dermatoses (necrobiosis lipoidica, morphea and cutaneous lichen sclerosus), hypopigmented macular diseases (extragenital guttate lichen sclerosus, achromic pityriasis versicolor, guttate vitiligo, idiopathic guttate hypomelanosis, progressive macular hypomelanosis and postinflammatory hypopigmentations), hyperpigmented maculopapular diseases (pityriasis versicolor, lichen planus pigmentosus, Gougerot-Carteaud syndrome, Dowling-Degos disease, erythema ab igne, macular amyloidosis, lichen amyloidosus, friction melanosis, terra firma-forme dermatosis, urticaria pigmentosa and telangiectasia macularis eruptiva perstans), itchy papulonodular dermatoses (hypertrophic lichen planus, prurigo nodularis, nodular scabies and acquired perforating dermatosis), erythrodermas (due to psoriasis, atopic dermatitis, mycosis fungoides, pityriasis rubra pilaris and scabies), noninfectious balanitis (Zoon’s plasma cell balanitis, psoriatic balanitis, seborrheic dermatitis and non-specific balanitis) and erythroplasia of Queyrat, inflammatory cicatricial alopecias (scalp discoid lupus erythematosus, lichen planopilaris, frontal fibrosing alopecia and folliculitis decalvans), nonscarring alopecias (alopecia areata, trichotillomania, androgenetic alopecia and telogen effluvium) and scaling disorders of the scalp (tinea capitis, scalp psoriasis, seborrheic dermatitis and pityriasis amiantacea).

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Dermoscopy of chronic hand eczema typically reveals sparse whitish scales, yellowish scaling (black circles) and orangish dots/globules (black arrowheads), while palmar psoriasis and tinea manuum respectively display diffuse white scaling (b) and white scales mainly localised in the skin furrows (c). Dermoscopic examination of a case of palmar lichen planus shows roundish yellowish areas, some of which display peripheral projections in a star-like appearance (black arrowheads) over a purplish background (d)
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Fig5: Dermoscopy of chronic hand eczema typically reveals sparse whitish scales, yellowish scaling (black circles) and orangish dots/globules (black arrowheads), while palmar psoriasis and tinea manuum respectively display diffuse white scaling (b) and white scales mainly localised in the skin furrows (c). Dermoscopic examination of a case of palmar lichen planus shows roundish yellowish areas, some of which display peripheral projections in a star-like appearance (black arrowheads) over a purplish background (d)

Mentions: The most specific dermoscopic features of chronic hand eczema include brownish-orange dots/globules (corresponding to tiny spongiotic vesicles), yellowish scales and yellowish-orange crusts [28, 85]; other less common findings are focally distributed whitish scaling and dotted vessels (Fig. 5a) [28, 85].Fig. 5


Dermoscopy in General Dermatology: A Practical Overview
Dermoscopy of chronic hand eczema typically reveals sparse whitish scales, yellowish scaling (black circles) and orangish dots/globules (black arrowheads), while palmar psoriasis and tinea manuum respectively display diffuse white scaling (b) and white scales mainly localised in the skin furrows (c). Dermoscopic examination of a case of palmar lichen planus shows roundish yellowish areas, some of which display peripheral projections in a star-like appearance (black arrowheads) over a purplish background (d)
© Copyright Policy
Related In: Results  -  Collection

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getmorefigures.php?uid=PMC5120630&req=5

Fig5: Dermoscopy of chronic hand eczema typically reveals sparse whitish scales, yellowish scaling (black circles) and orangish dots/globules (black arrowheads), while palmar psoriasis and tinea manuum respectively display diffuse white scaling (b) and white scales mainly localised in the skin furrows (c). Dermoscopic examination of a case of palmar lichen planus shows roundish yellowish areas, some of which display peripheral projections in a star-like appearance (black arrowheads) over a purplish background (d)
Mentions: The most specific dermoscopic features of chronic hand eczema include brownish-orange dots/globules (corresponding to tiny spongiotic vesicles), yellowish scales and yellowish-orange crusts [28, 85]; other less common findings are focally distributed whitish scaling and dotted vessels (Fig. 5a) [28, 85].Fig. 5

View Article: PubMed Central - PubMed

ABSTRACT

Over the last few years, dermoscopy has been shown to be a useful tool in assisting the noninvasive diagnosis of various general dermatological disorders. In this article, we sought to provide an up-to-date practical overview on the use of dermoscopy in general dermatology by analysing the dermoscopic differential diagnosis of relatively common dermatological disorders grouped according to their clinical presentation, i.e. dermatoses presenting with erythematous-desquamative patches/plaques (plaque psoriasis, eczematous dermatitis, pityriasis rosea, mycosis fungoides and subacute cutaneous lupus erythematosus), papulosquamous/papulokeratotic dermatoses (lichen planus, pityriasis rosea, papulosquamous sarcoidosis, guttate psoriasis, pityriasis lichenoides chronica, classical pityriasis rubra pilaris, porokeratosis, lymphomatoid papulosis, papulosquamous chronic GVHD, parakeratosis variegata, Grover disease, Darier disease and BRAF-inhibitor-induced acantholytic dyskeratosis), facial inflammatory skin diseases (rosacea, seborrheic dermatitis, discoid lupus erythematosus, sarcoidosis, cutaneous leishmaniasis, lupus vulgaris, granuloma faciale and demodicidosis), acquired keratodermas (chronic hand eczema, palmar psoriasis, keratoderma due to mycosis fungoides, keratoderma resulting from pityriasis rubra pilaris, tinea manuum, palmar lichen planus and aquagenic palmar keratoderma), sclero-atrophic dermatoses (necrobiosis lipoidica, morphea and cutaneous lichen sclerosus), hypopigmented macular diseases (extragenital guttate lichen sclerosus, achromic pityriasis versicolor, guttate vitiligo, idiopathic guttate hypomelanosis, progressive macular hypomelanosis and postinflammatory hypopigmentations), hyperpigmented maculopapular diseases (pityriasis versicolor, lichen planus pigmentosus, Gougerot-Carteaud syndrome, Dowling-Degos disease, erythema ab igne, macular amyloidosis, lichen amyloidosus, friction melanosis, terra firma-forme dermatosis, urticaria pigmentosa and telangiectasia macularis eruptiva perstans), itchy papulonodular dermatoses (hypertrophic lichen planus, prurigo nodularis, nodular scabies and acquired perforating dermatosis), erythrodermas (due to psoriasis, atopic dermatitis, mycosis fungoides, pityriasis rubra pilaris and scabies), noninfectious balanitis (Zoon’s plasma cell balanitis, psoriatic balanitis, seborrheic dermatitis and non-specific balanitis) and erythroplasia of Queyrat, inflammatory cicatricial alopecias (scalp discoid lupus erythematosus, lichen planopilaris, frontal fibrosing alopecia and folliculitis decalvans), nonscarring alopecias (alopecia areata, trichotillomania, androgenetic alopecia and telogen effluvium) and scaling disorders of the scalp (tinea capitis, scalp psoriasis, seborrheic dermatitis and pityriasis amiantacea).

No MeSH data available.


Related in: MedlinePlus