Search Results for: hyperkeratosis

Dermoscopic findings in bowenoid papulosis: report of two cases

Dermoscopic findings in bowenoid papulosis: report of two cases

…e periphery of the lesion, and widespread dotted vessels (Figures 2 and 3). A biopsy was done, and the histology showed mild hyperkeratosis, irregular acanthosis, dyskeratosis, cytological atypia and mitosis (Figures 4 and 5), consistent with the…

Histologic Diagnosis of Inflammatory Skin Diseases

Radiation dermatitis and panniculitis

…n often Vacuolar alteration along the dermoepidermal junction in conjunction with a few scattered lymphocytes Acanthosis and hyperkeratosis in foci Late Scant infiltrate of lymphocytes and plasma cells around dermal venules Telangiectases in the…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pityrosporum Folliculitis and Demodectic Folliculitis?

…al Guide to Common Disorders. Philadelphia: WB Saunders Company, 1995:383. “Pityrosporum folliculitis shows follicular hyperkeratosis, inflammation of follicular epithelium, dermal abscesses, and PAS-positive budding yeast in the follicular…

Histologic Diagnosis of Inflammatory Skin Diseases

Introduction

…dient in cement, a patient may not be able to utilize his or her hands effectively because they are restricted so greatly by hyperkeratosis and by fissures that form within the abnormally cornified epidermis. In short, without firm grounding in…

Histologic Diagnosis of Inflammatory Skin Diseases

Epidermis

…lfatase, that absence preventing removal of cholesterol sulfate and, thereby, limiting shedding of corneocytes, resulting in hyperkeratosis that is reflected clinically in plate-like scales. Small molecules, metabolites, and ions are able to pass…

A reticulated pigmented rash on the lower leg

A reticulated pigmented rash on the lower leg

…ent may be nonspecific. Slight atrophic changes within the epidermis, apoptotic keratinocytes, increased melanin deposition, hyperkeratosis, and mononuclear infiltrate at the dermo-epidermal junction may be seen. It has also been proposed that…

Histologic Diagnosis of Inflammatory Skin Diseases

Kimura’s disease

…esent a pattern histopathologic analogous to those of granular cellularity, flame figures, elastophagocytosis, epidermolytic hyperkeratosis, focal acantholytic dyskeratosis, and epithelial mucinosis, they being the dominant element overwhelmingly in…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…air = Suppurative infundibulitis of bacterial cause Because this lesion is domed and infundibula display hypergranulosis and hyperkeratosis, it must have been rubbed persistently and forcefully, probably because of effects pruritogenic on nerves of…

Differential Diagnosis in Dermatopathology

Discussions

…osis.” That latter pattern is analogous to other distinctive patterns of epithelium in the skin, such as epidermolytic hyperkeratosis, focal acantholytic dyskeratosis, cornoid lamellation, and epithelial (follicular) mucinosis. When pale-cell…