Search Results for: erosion

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…ycosis fungoides, plaque 1. Papules and nodules 1. Plaques 2. Erosion and/or ulceration common 2. No erosion or ulceration usually 3. Parakeratosis often contains neutrophils 3. Ortho- and parakeratosis; no neutrophils 4. Wedge-shaped necrosis and in…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Paraneoplastic Pemphigus?

…criteria to define paraneoplastic pemphigus: painful mucosal erosions and a polymorphous skin eruption, with popular lesions progressing to blisters and erosive lesions affecting the trunk, extremities, and palms and soles, in the context of an occu…

Histologic Diagnosis of Inflammatory Skin Diseases

Hand-foot-and-mouth disease

…lways, by the time a patient seeks medical attention, only an erosion is residual. Intact blisters in the oral cavity, however, show the same changes as do those in the skin. That principle applies to virtually all diseases that affect both skin and…

Dermatology Practical & Conceptual

From the Dermatologikum Hamburg: Quiz

…all elderly women, who presented themselves with pustules and erosions on the scalp [1]. Lesions were not responsive to antibiotics but resolved on topical treatment with potent corticosteroids. Since 1979, a number of case reports and a few studies…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…epidermis = Hailey-Hailey disease Despite the presence of an erosion that obscures many changes essential for diagnosis, that still can be accomplished in Hailey-Hailey disease on the basis of findings in this section; this is Hailey-Hailey disease,…

Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

…result of the process being flaccid blisters that give way to erosions and crusts accompanied by erythema. When mostly the trunk is affected, the condition is termed “pemphigus foliaceus,” when mostly the face and upper part of the chest…

Differential Diagnosis in Dermatopathology

Discussions

…filtrate of mononuclear cells, acanthosis, parakeratosis, and erosion or ulceration. Erythrocytes are extravasated in the dermis, neutrophils and lymphocytes may be seen in the epidermis, and neutrophils may be trapped in parakeratotic scale-crusts….

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…o whorls of wiry bundles of collagen 9. No imposition of lichen complex chronicus or association of erosion and crusts 9. Lichen simplex chronicus, in the form of compact orthokeratosis, imposed at times; erosions and crusts, are findings uncommonly…