Search Results for: muscles

Histologic Diagnosis of Inflammatory Skin Diseases

Alopecia areata, totalis, universalis

…in contrast to the cast of the collagen in whorls, which is red No lower segment (i.e., bulb and stem) of follicles apparent Muscles of hair erection intact Correlation clinicopathologic Because most of the follicles in a lesion of alopecia areata…

Histologic Diagnosis of Inflammatory Skin Diseases

Study By Disease

…ial benign chronic pemphigus) (Quiz #96) Hailey-Hailey disease with infection by herpesvirus (Quiz #664) Hamartoma of smooth muscles, hair follicles, and collagen bundles (Quiz #113) Hemangioma associated with prurigo nodularis (Quiz #413)…

Differential Diagnosis in Dermatopathology

Discussions

…ceous units may be absent or decreased noticeably in number. Eccrine glands and ducts, however, are preserved, as are smooth muscles of hair erection. Morphea is an inflammatory process, whereas a collagenous nevus is a hamartoma. A residuum of a…

Vasculitis with panniculitis following botulinum toxin A injection for cosmetic use

Vasculitis with panniculitis following botulinum toxin A injection for cosmetic use

…included injection of purported botulinum toxin A. Introduction Injections of botulinum toxin A (BTX-A) targeting the facial muscles is widely used in the treatment of hyperdynamic facial lines, and it could be completely useful to correct the…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…Symmetrical 1. Asymmetrical 2. Limited to the dermis 2. Extends into subcutaneous fat and sometimes into fascia and skeletal muscles 3. “Cysts” always predominates 3. “Cysts” do not always predominate 4. “Cysts”…