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Differential diagnosis of psoriasis.
Reumatismo. 2007; 59 Suppl 1:56-60.R

Abstract

The clinical diagnosis of psoriasis is relatively easy, especially when the lesions consist of erythematous, silvery white scaly, sharply demarcated, indurated plaques, distributed symmetrically on the extensor surfaces of limbs, the lower back and the scalp. These clinical features reflect the histopathological findings observed in active lesions, characterized by parakeratosis, acanthosis of the epidermal ridges, tortuous and dilated blood vessels, and perivascular leukocytic infiltrate; the Munro microabscess and the spongiform pustule of Kogoj are diagnostic. Diagnostic doubts, however, may arise in several clinical variants and atypical cases (guttate psoriasis, follicular or spinulosic psoriasis, erythrodermic psoriasis, pustular psoriasis) or when the psoriatic lesions are localized in particular sites (palms, soles, scalp, body folds, penis, nails). The value of erythemato-papulosquamous psoriasiform eruptions occurring during or after the administration of a diagnostic or therapeutic agent especially in psoriatic subjects is discussed.

Authors+Show Affiliations

Section of Clinical, Allergological and Venereological Dermatology, Department of Medical and Surgical Specialities and Public Health, University of Perugia, Perugia, Italy. plisi@unipg.it

Pub Type(s)

Journal Article

Language

eng

PubMed ID

17828346

Citation

Lisi, P. "Differential Diagnosis of Psoriasis." Reumatismo, vol. 59 Suppl 1, 2007, pp. 56-60.
Lisi P. Differential diagnosis of psoriasis. Reumatismo. 2007;59 Suppl 1:56-60.
Lisi, P. (2007). Differential diagnosis of psoriasis. Reumatismo, 59 Suppl 1, 56-60.
Lisi P. Differential Diagnosis of Psoriasis. Reumatismo. 2007;59 Suppl 1:56-60. PubMed PMID: 17828346.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Differential diagnosis of psoriasis. A1 - Lisi,P, PY - 2007/12/6/pubmed PY - 2011/8/4/medline PY - 2007/12/6/entrez SP - 56 EP - 60 JF - Reumatismo JO - Reumatismo VL - 59 Suppl 1 N2 - The clinical diagnosis of psoriasis is relatively easy, especially when the lesions consist of erythematous, silvery white scaly, sharply demarcated, indurated plaques, distributed symmetrically on the extensor surfaces of limbs, the lower back and the scalp. These clinical features reflect the histopathological findings observed in active lesions, characterized by parakeratosis, acanthosis of the epidermal ridges, tortuous and dilated blood vessels, and perivascular leukocytic infiltrate; the Munro microabscess and the spongiform pustule of Kogoj are diagnostic. Diagnostic doubts, however, may arise in several clinical variants and atypical cases (guttate psoriasis, follicular or spinulosic psoriasis, erythrodermic psoriasis, pustular psoriasis) or when the psoriatic lesions are localized in particular sites (palms, soles, scalp, body folds, penis, nails). The value of erythemato-papulosquamous psoriasiform eruptions occurring during or after the administration of a diagnostic or therapeutic agent especially in psoriatic subjects is discussed. SN - 0048-7449 UR - https://www.unboundmedicine.com/medline/citation/17828346/Differential_diagnosis_of_psoriasis_ DB - PRIME DP - Unbound Medicine ER -