Search Results for: excoriation

Histologic Diagnosis of Inflammatory Skin Diseases

Dermatitis herpetiformis

…e epidermis consequent to scratching, and ulcers result from loss of epidermis and part of the papillary dermis secondary to excoriation. Crusts consist of serum, granulocytes, and, sometimes, red blood cells. Differential diagnosis histopathologic…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…volvement of epithelial structures of adnexa, often extensive and deep, in the same manner as surface and infundibular epidermis 10. Involvement of epithelial structures of adnexa slight, if any, and superficial 11. No signs of excoriation 11. Signs…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…and nonfamilial. Reason: Perforating collagenosis, in every instance, is factitious; by dint of a penetrating injury, often excoriation with the equivalent of talons, degenerated bundles of collagen come to ascend in an effort at extrusion and find…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…Darier’s disease (keratosis follicularis) Grover’s disease (transient acantholytic dermatosis) 1. No evidence of excoriation usually 1. Erosions, ulcerations, and scale-crusts, i.e., evidences of excoriation, present often 2. Focal…

Differential Diagnosis in Dermatopathology

Discussions

…n to bullae. Erosions and ulcerations are features common in dermatitis herpetiformis, they typically being a consequence of excoriation induced by severe pruritus. The lesions of dermatitis herpetiformis commonly involve the scalp and are…

Differential Diagnosis in Dermatopathology

Dermatitis herpetiformis vs. Bullous pemphigoid

A condition of persons of any age, but particularly children with a genetic proclivity for allergic rhinitis and conjunctivitis, and allergic asthma. Intense pruritus induces patients to rub the skin intensely and to scratch furiously, the…

Histologic Diagnosis of Inflammatory Skin Diseases

Grover’s disease

…Grover’s disease induces scratching furiously, and sections of tissue of the disease often are complicated by signs of excoriation, namely, erosions, ulcers, and crusts. Those changes secondary may obscure the underlying acantholytic process….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Psychocutaneous Disorders?

…any dermatologic conditions. Psoriasis, rosacea, herpes simplex, body dysmorphic disorder, acne, eczema, urticaria, neurotic excoriations, excoriated acne, trichotillomania, dysesthetic syndromes, and delusions parasitosis are included in this…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Perforating Diseases?

…ng collagenosis is not a disease sui generis. It is a consequence of severe trauma external, usually in the form of vigorous excoriation that results in ulceration and degeneration of collagen bundles situated in the upper part of the dermis. Normal…