Search Results for: erosion

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Paraneoplastic Pemphigus?

…target-like vesicles resembling those of erythema multiforme on the trunk and extremities. The mucosal lesions were painful erosions. In brief, the features clinical that Anhalt and his coworkers attributed to paraneoplastic pemphigus are very…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Primary and Secondary Lesions?

…coriation, lichenification, lichenoid, necrosis, scar, scaling, exfoliation, fissure, keratoderma, poikiloderma, vegetation, erosion, ulcer, atrophy, sclerosis.” Du Vivier A. The dermatological diagnosis. In: Du Vivier A, ed. Atlas of Clinical…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Lymphomatoid papulosis Mycosis 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….

From the Dermatologikum Hamburg: Quiz

From the Dermatologikum Hamburg: Quiz

…th erosive pustular dermatosis of the scalp are very similar. Most patients were women presenting with crusts, pustules, and erosions on the scalp. In some patients, alopecia was said to have been accompanying. While many reports state that patients…

Histologic Diagnosis of Inflammatory Skin Diseases

Hand-foot-and-mouth disease

…foot-and-mouth disease encountered in the oral cavity. Almost always, 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…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ratotic cells throughout much of the thickness of the thickened 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…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…nes and melanophages 8. No 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…

Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

…art of the spinous zone or granular zone of the epidermis, the 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…

Differential Diagnosis in Dermatopathology

Discussions

…iated with a superficial and deep perivascular and lichenoid infiltrate of mononuclear cells, acanthosis, parakeratosis, and erosion or ulceration. Erythrocytes are extravasated in the dermis, neutrophils and lymphocytes may be seen in the…