Search Results for: psoriasis

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

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,…

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

…linical of findings like those shown here are guttate dermatosis and digitate dermatosis, together known as small-plaque parapsoriasis. In short, small-plaque parapsoriasis is synonymous with macules and ellipsoid patches of mycosis fungoides that…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Parapsoriasis?

…cal Pathology and Cytopathology, 3rd ed. New York: Churchill Livingstone, 1997:423. “There are three main types of parapsoriasis: parapsoriasis guttata (small plaque parapsoriasis), parapsoriasis lichenoides chronica and parapsoriasis en…

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,…

Histologic Diagnosis of Inflammatory Skin Diseases

The Algorithmic Method

…rated, automatically, at a glance at scanning magnification. When that happens, it will be apparent to the practitioner that psoriasis, for example, usually can be recognized for what it is by pattern alone, i.e., without recourse to identification…