Search Results for: psoriasis

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…bermann disease in lesions evolving is accompanied consistently by neutrophils in foci of parakeratosis. Eruptive lesions of psoriasis (guttate psoriasis) also display neutrophils in mounds of parakeratosis, but at no stage is psoriasis an interface…

Microscopic examination of normal nail clippings

Microscopic examination of normal nail clippings

…nges due to psoriasis and onychomycosis, compared to normal controls. They examined four cases of onychomycosis, 14 cases of psoriasis and five normal controls. In nails with psoriasis they concluded: “the psoriatic nails were dystrophic with foci…

Histologic Diagnosis of Inflammatory Skin Diseases

Seborrheic dermatitis

…nce sometimes of abundant serum in scale-crusts. Despite the similarity of some lesions of seborrheic dermatitis to those of psoriasis, we do not regard the two diseases as relatives, i.e., we reject the notion of “sebopsoriasis” and…

Differential Diagnosis in Dermatopathology

Discussions

…at times, the epidermis. Edema of the papillary dermis and spongiosis are other indications of the dynamic nature of guttate psoriasis. Guttate parapsoriasis is much more indolent than guttate psoriasis. In sections of tissue from biopsy specimens…

Histologic Diagnosis of Inflammatory Skin Diseases

Pellagra

…y erythema, pellagra, Hartnup’s disease, kwashiorkor, and maple syrup disease, however, the pallor in the epidermis of psoriasis does not eventuate in a blister and the silhouette of the epidermis is very different, i.e., rete ridges are…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…cornified layer = Dermatophytosis Except for the presence of hyphae, the findings shown here are just like those of eruptive psoriasis, including mounds of parakeratosis with neutrophils at summit of them. 10.22.7A: Perivascular dermatitis,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Psychocutaneous Disorders?

…ompany, 1996:779. “Dermatologic conditions are commonly associated with psychiatric sequella, eg, urticaria, alopecia, psoriasis, or acne. Moreover, the onset and course of dermatologic disorders may be significantly influenced by stress,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Figurate Erythemas?

…ythema migrans Annular urticaria Bullous pemphigoid Erythema multiforme Dermatophyte and tinea versicolor infections Annular psoriasis Annular lupus erythematosus Erythema marginatum (erythema circinatum) Necrolytic migratory erythema Carriers of…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Verruciform Xanthoma?

…HIV–1+ patient with diffuse psoriasiform skin disease. Am J Dermatopathol 1995;17(2):185–88. “A patient with psoriasis vulgaris developed verruciform xanthoma (VX) on the scrotum during psoralen photochemotherapy (PUVA). Although it…