Search Results for: psoriasis

Differential Diagnosis in Dermatopathology

Guttate psoriasis vs. Seborrheic dermatitis

An inflammatory process in which lesions present themselves clinically as red macules and subtle scaly papules. They soon become so confluent that there is widespread redness and scaling punctuated by islands of skin that ostensibly are spared and…

Differential Diagnosis in Dermatopathology

Psoriasis vs. Nummular dermatitis

An inflammatory process in which lesions present themselves clinically as red macules and subtle scaly papules. They soon become so confluent that there is widespread redness and scaling punctuated by islands of skin that ostensibly are spared and…

Differential Diagnosis in Dermatopathology

Erythroderma of psoriasis vs. Erythroderma of mycosis fungoides

An inflammatory process in which lesions present themselves clinically as red macules and subtle scaly papules. They soon become so confluent that there is widespread redness and scaling punctuated by islands of skin that ostensibly are spared and…

Differential Diagnosis in Dermatopathology

Guttate psoriasis vs. Guttate (dermatosis) parapsoriasis

An inflammatory process in which lesions present themselves clinically as red macules and subtle scaly papules. They soon become so confluent that there is widespread redness and scaling punctuated by islands of skin that ostensibly are spared and…

Histologic Diagnosis of Inflammatory Skin Diseases

Psoriasis

An inflammatory process in which lesions present themselves clinically as red macules and subtle scaly papules. They soon become so confluent that there is widespread redness and scaling punctuated by islands of skin that ostensibly are spared and…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ges of about equal length, focal spongiosis, and mounds of scale-crusts that house neutrophils arrayed in periodic fashion = Psoriasis, fully developed Psoriasis on volar skin can be differentiated from a spongiotic dermatitis, such as dyshidrotic…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Subcorneal Pustular Dermatosis?

…long enough, many cases of subcorneal pustular dermatosis (especially the childhood-onset type) evolve into classic pustular psoriasis or psoriasis vulgaris; ten of our 23 patients, with an average follow-up period of 15 years, evolved in this…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…stitute that assemblage are unrelated wholly to one another, e.g., seborrheic dermatitis and secondary syphilis, guttate parapsoriasis and psoriasis, lichen planus and pityriasis rosea. Moreover, many conditions that are typified by scaly papules…