Search Results for: hyperkeratosis

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…extent 2. No flat-topped papillations across a broad front 2. Flat-topped papillations across a broad front often 3. Marked hyperkeratosis often 3. Slight, if any, hyperkeratosis 4. Laminate orthokeratosis predominates 4. Basket-woven…

Differential Diagnosis in Dermatopathology

Nevus verrucosus vs. Acanthosis nigricans

A keratotic condition of the palms and soles, inherited usually, but sometimes acquired, in which involvement may be diffuse, circumscribed (including striate), or punctate.

Differential Diagnosis in Dermatopathology

Discussions

…l finding, in one or but a few epidermal rete ridges, analogous to isolated loci of acantholytic dyskeratosis, epidermolytic hyperkeratosis, cornoid lamellation, and pale-cell acanthosis, distinctive patterns of cutaneous epithelium all. In the…

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

Infundibulitis secondary to agents topical

…distinguishes some suppurative infundibulitides induced by agents topical from suppurative infundibulitides brought about by other types of factors noninfectious is the presence, concurrent, of comedones. A major provocateur of infundibular…

Histologic Diagnosis of Inflammatory Skin Diseases

“Kyrle’s disease”

…e and of what he pictured in drawings, it never will be known what condition (or conditions) he actually described as “hyperkeratosis follicularis et parafollicularis in cutem penetrans,” a title that in itself is daunting and dizzying….