Search Results for: excoriation

Differential Diagnosis in Dermatopathology

Discussions

…e urticarial, often become vesicular, and of-times are covered by a crust. Because the lesions are so pruritic, evidences of excoriation in the form of erosions, ulcerations, and hemorrhagic crusts are expected. In contrast, papules of lymphomatoid…

Differential Diagnosis in Dermatopathology

Insect "bite" vs. Lymphomatoid papulosis

…Papules, nodules, vesicles, and sometimes bullae that develop in response to “bites” of arthropods, among the most common offenders being mosquitoes, bedbugs, and mites of scabies….

Differential Diagnosis in Dermatopathology

Urticaria vs. Urticarial lesions of bullous pemphigoid

…Papules, nodules, vesicles, and sometimes bullae that develop in response to “bites” of arthropods, among the most common offenders being mosquitoes, bedbugs, and mites of scabies….

Histologic Diagnosis of Inflammatory Skin Diseases

Eosinophilic folliculitis

…d clinically as insect “bites”. Denominators in common: Pruritic papules, some eroded and ulcerated secondary to excoriation. Features differentiating: Pruritic papular eruption of HIV differs clinically from insect “bites”…

Melanocytic nevi and melanoma: overlapping criteria—the degree is the key

Melanocytic nevi and melanoma: overlapping criteria—the degree is the key

…melanocytes above the dermoepidermal within the upper spinous layers, nuclear crowding with atypia in areas especially with excoriation, ulceration, scale-crust, or scarring. Accordingly, in view of the foregoing, it is essential to be…