Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lymphocytic Infiltration of Jessner?

…y circumscribed lymphocytic infiltrations, sometimes extending to the subcutaneous fat, frequently, but not always, around vessels and/or appendages. The infiltrates consist of lymphocytes, mostly small ones, and usually a few histiocytes and plasma…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen striatus

…elium and the dermis Some multinucleate histiocytes present in the papillary dermis Acanthosis, sometimes psoriasiform Necrotic keratocytes disposed as individual units and often in clusters near the base of the epidermis; sometimes those cells prese…

Histologic Diagnosis of Inflammatory Skin Diseases

Eosinophilic folliculitis

…neutrophils housed in infundibula. Papules are expressions of the same process in which the inflammatory cells have been cast from infundibula into the dermis, where they are splayed between bundles of collagen. Differential diagnosis histopathologi…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Ichthyoses?

“On the basis of clinical, histological, and cellular kinetic observations, a separation of the major ichthyosiform dermatoses into four groups is proposed. Ichthyosis vulgaris patients have dry skin and fine scales on their trunk and extremi…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Id Reactions?

…8220;They [tuberculids] are considered immune reactions within the skin due to hematogenous dissemination of M. tuberculosis or its antigens from a primary source, in an individual with strong antituberculous cell-mediated immunity. … here is a…

Dermatology Practical & Conceptual

An unclear, chronic nasal ulcer

…dysphagia, dysphonia, aspiration and severe disfigurement [3]. The differential diagnosis includes mainly deep mycotic infection, rhinoscleroma, Wegener granulomatosis and extranodal NK-T cell lymphoma. Pentavalent antimonials represent the first the…