Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Anagen Effluvium?

“The follicle tends to respond in an all or none fashion with the notable exception of its response to cancer chemotherapy agents. This is the only known instance in which hair is lost follicles which continue in their growing phase without b…

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Skin: Vasculitis

See Fig. 5.218 A&B. Figure 5.218 Vasculitis. A. Small vessel. B. Large vessel. Before a reasoned and reasonable method for diagnosis histopathologic of vasculitis in skin and subcutaneous fat can be formulated, a definition of vasculitis must…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Discoid Lupus Erythematosus versus Systemic Lupus Erythematosus? II

…c LE II. Subacute cutaneous LE A. Papulosquamous B. Annular C. Syndromes commonly exhibiting similar morphology 1. Neonatal LE 2. Complement deficiency syndrome III. Acute cutaneous LE (systemic LE with skin lesions) localized or generalized erythema…

Histologic Diagnosis of Inflammatory Skin Diseases

Precepts Adjunctive to the Algorithmic Method

…eminds by way of analogy (albeit vaguely) of trytophan-myalgia syndrome, toxic oil syndrome, and Shulman’s syndrome, inflammatory conditions all. Last, if a histopathologist is stymied by particular findings met with in sections of tissue, repr…

Dermatology Practical & Conceptual

Hyperkeratotic necrobiosis lipoidica

Case report A 56-year-old Caucasian male with a history of uncontrolled diabetes mellitus and multiple other comorbidities was evaluated for slowly expanding plaques of his right lower leg, left forearm and left dorsal hand that had been present for…

Dermatology Practical & Conceptual

Lecture Series

…al-Cell Carcinoma is Trichoblastic Carcinoma Part 1 | Part 2 Muir-Torre Syndrome Part 1 | Part 2 Are “Eccrine” Neoplasms Eccrine? Part 1 | Part 2 Specific Diagnosis Histopathologically of Inflammatory Skin Diseases Part 1 | Part 2…

Histologic Diagnosis of Inflammatory Skin Diseases

Foreign body reaction

Foreign body reaction Synonyms Foreign body granuloma Presentation stereotypical Age and sex Any age and either sex Distribution of lesions Localized usually Individual lesions Papules, plaques, and nodules Course Longstanding Variations clinical…