Histologic Diagnosis of Inflammatory Skin Diseases

Images

…in a dermal papilla, jagged acanthosis, hypergranulosis, and hyperkeratosis = Lichen planus, early The presence of edema in the papillary dermis and the small size of the papule are indications of how early is this lesion. 10.60.4A: Perivascul…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…f lymphocytes beneath jagged acanthosis, hypergranulosis, and hyperkeratosis = Lichen planus-like keratosis, fully developed  The overwhelming majority of biopsy specimens of lichen planus-like keratosis are taken by shave technique, as illustrated h…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ng dynamically, whereas prominent psoriasiform acanthosis and hyperkeratosis reveal that it is of weeks duration, at least. 10.90.9A: Perivascular dermatitis, psoriasiform, and pustular dermatitis, surface epidermal + 10.90.9B: Spongiform p…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Reactive Perforating Collagenosis?

…bullous congenital ichthyosiform erythroderma (epidermolytic hyperkeratosis) for the ichthyoses. It is likely that what Kyrle described in diabetic patients as hyperkeratosis follicularis et parafollicularis in cutem penetrans was simply “perf…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Verruciform Xanthoma?

…at or slightly raised rough growths. Verrucous lesions showed hyperkeratosis, acanthosis, and elongation of rete ridges, the ridges at the periphery sometimes being inclined toward the center of the lesion. The most outstanding characteristic of verr…

Dermatology Practical & Conceptual

Dermoscopic findings in a patient with multiple piloleiomyomas

…e elongation of the rete ridges associated with focal compact hyperkeratosis was also noted. Figure 1. (A, B) Hyperpigmented papules located on the left lower limb with zosteriform distribution. (C, E) The dermoscopic pattern is similar to that de…

Dermatology Practical & Conceptual

Zosteriform cutaneous leishmaniasis diagnosed with the help of dermoscopy

…s of herpes zoster, dermoscopic evaluation revealed erythema, hyperkeratosis, burst star whitish appearance and hairpin vessels, compatible with the diagnosis of cutaneous leishmaniasis. Indeed, leishmania amastigotes were detected by smear from the…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…sis is an aberration of epithelium analogous to epidermolytic hyperkeratosis, focal acantholytic dyskeratosis, cornoid lamellation, and pale-cell acanthosis, to wit, a distinctive problem pathologic. Error: Follicular occlusion triad is related to fo…