Differentiation of pityriasis lichenoides chronica from guttate psoriasis by dermoscopy

Errichetti, Enzo; Lacarrubba, Francesco; Micali, Giuseppe; Piccirillo, Angelo; Stinco, Giuseppe

doi:10.1111/ced.12580

Cited by 57 publications

(62 citation statements)

References 6 publications

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“…2c) [1, 40], similarly to that seen in plaque-type psoriasis [1–6, 41]; orange-yellowish structureless areas may also be present, but they are quite uncommon [40]. …”

Section: Papulosquamous/papulokeratotic Dermatosesmentioning

confidence: 99%

“…milky red areas/globules, linear irregular and branching vessels), focally distributed dotted vessels and orange-yellowish structureless areas (Fig. 2d) [40]. Interestingly, whitish areas may sometimes be present in the context of clinically active lesions as a result of focal post-inflammatory hypopigmentation [1, 40].…”

Section: Papulosquamous/papulokeratotic Dermatosesmentioning

confidence: 99%

“…2d) [40]. Interestingly, whitish areas may sometimes be present in the context of clinically active lesions as a result of focal post-inflammatory hypopigmentation [1, 40]. …”

Section: Papulosquamous/papulokeratotic Dermatosesmentioning

confidence: 99%

“…non-dotted vessels/orangish structureless areas in pityriasis lichenoides [1, 40], dotted vessels in guttate psoriasis [1, 40] and star-like depigmentation in prurigo nodularis [103] (Fig. 7d), thereby assisting the retrospective diagnosis [1, 40, 106]. …”

Section: Hypopigmented Macular Diseasesmentioning

confidence: 99%

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Dermoscopy in General Dermatology: A Practical Overview

Errichetti

Stinco

2016

Dermatol Ther (Heidelb)

331

364

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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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“…2c) [1, 40], similarly to that seen in plaque-type psoriasis [1–6, 41]; orange-yellowish structureless areas may also be present, but they are quite uncommon [40]. …”

Section: Papulosquamous/papulokeratotic Dermatosesmentioning

confidence: 99%

Section: Papulosquamous/papulokeratotic Dermatosesmentioning

confidence: 99%

“…2d) [40]. Interestingly, whitish areas may sometimes be present in the context of clinically active lesions as a result of focal post-inflammatory hypopigmentation [1, 40]. …”

Section: Papulosquamous/papulokeratotic Dermatosesmentioning

confidence: 99%

Section: Hypopigmented Macular Diseasesmentioning

confidence: 99%

See 2 more Smart Citations

Dermoscopy in General Dermatology: A Practical Overview

Errichetti

Stinco

2016

Dermatol Ther (Heidelb)

331

364

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“…Then, it was described as a constant feature of several cutaneous lymphoproliferative disorders, such as primary cutaneous B cell lymphoma, lymphomatoid papulosis, and pseudolymphoma, probably indicating that the intense lymphocyte proliferation could correspond to orange at dermoscopy, even if this assertion has not been confirmed yet. Moreover, orange color has been found as a dermoscopic finding correspondent to hemosiderin or amyloid deposits …”

mentioning

confidence: 99%