Search Results for: infundibuloapocrine-sebaceous-follicular unit

The dermatoscopic universe of basal cell carcinoma

The dermatoscopic universe of basal cell carcinoma

…kin cancer, dermatoscopy seems insufficient to differentiate between BCC and adnexal tumors [29]. The latter group comprises sebaceous, follicular, eccrine and apocrine neoplasms, several of which have been characterized as dermatoscopic “mimickers”…

Dermoscopic clues to diagnose acantholytic dyskeratosis

Dermoscopic clues to diagnose acantholytic dyskeratosis

Case presentations Case 1 A 61-year-old man presented with multiple small, reddish, eroded papules located on his chest (Figure 1A). Histopathologic examination revealed the typical findings of Grover’s disease. Figure 1. (A) Clinical examination…

An atypical pigmented lesion on the nose

An atypical pigmented lesion on the nose

The patient A 56-year-old Caucasian woman, with skin phototype III, presented with an asymptomatic, slow-growing, gray-black plaque on her nose. The lesion had appeared almost 6 months prior, was 10 x 5 mm in size and presented with a paler, raised…

Histologic Diagnosis of Inflammatory Skin Diseases

Introduction

…according to individual components of the skin, namely, epidermis, hair follicles, sebaceous units, apocrine units, eccrine units, nail units, melanocytes, Langerhans” cells, Merkel cells, structures of the dermoepithelial interface, blood…

Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous Fat

…e clear cell whose nucleus either is a dark speck at its border or is not visualizable at all in a random section. The basic unit of the subcutaneous fat is a collection of adipocytes that seem to be cohesive, i.e., a primary microlobule. An…

An atypical pigmented lesion on the nose—Answer

An atypical pigmented lesion on the nose—Answer

Below find the answer and discussion to the quiz by Savoia et al. presented in the previous issue of Dermatology Practical & Conceptual (http://dx.doi.org/10.5826/dpc.0401a12). Diagnosis Pigmented cutaneous squamous cell carcinoma (PCSCC)….

Histologic Diagnosis of Inflammatory Skin Diseases

Selection of the Method for Surgery

…ns that have been cut vertically rather than horizontally. In regard to biopsy of inflammatory diseases that affect the nail unit, the following principles obtain: (1) as a rule, a specimen should be taken from the nail matrix; (2) when…

Histologic Diagnosis of Inflammatory Skin Diseases

Dermoepithelial Interface

…t the interface of dermis and epidermis is found around all epithelial structures of adnexa, i.e., hair follicles, sebaceous units, apocrine units, and eccrine units. Moreover, the vasculature and Schwann cells of nerves also are surrounded by a…