Search Results for: fibrocytes

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…y different from morphea and scleromyxedema. 10.69.2A: Fibrosing dermatitis, panniculitis, septal, and fasciitis + 10.69.2B: Fibrocytes scattered among wavy bundles of collagen = Nephrogenic fibrosing dermopathy At scanning magnification, the…

Histologic Diagnosis of Inflammatory Skin Diseases

Introduction

…ventitial dermis. It is typified by thin collagen bundles arranged haphazardly, delicate branching elastic fibers, plentiful fibrocytes, abundant ground substance, and a highly developed circulation made up mostly of capillaries. The papillary…

Histologic Diagnosis of Inflammatory Skin Diseases

Hair Follicles

…resembles that of normal isthmus. The follicular papilla is not recognizable as a discrete structure, but only as scattered fibrocytes at the base of a follicle now nearing its resting stage. Figure 1.36 Telogen. A follicle at rest consists only of…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…inflammatory disease because of the absence of inflammatory cells. 11.18.2A: No infiltrate of inflammatory cells + 11.18.2B: Fibrocytes and mast cells amidst mucin in the upper part of the dermis = Scleromyxedema At scanning magnification, a papule…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…subcutaneous fat mostly, as is shown here. 10.70.3A: Panniculitis, lobular, fasciitis, and myositis + 10.70.3B: Fascicles of fibrocytes and fibrillary bundles of collagen that interweave, deposits of mucin, a sprinkling of lymphocytes, and…

Histologic Diagnosis of Inflammatory Skin Diseases

Macular and papular (lichenoid) amyloidosis-Cutaneous solely

…d mechanism Individual necrotic keratinocytes descend from the epidermis into the papillary dermis, where they are coated by fibrocytes, the result being globules of amyloid. It is likely that the necrosis of keratocytes results from animated…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermal Papilla?

…esides at the base of a follicle and in anagen (the growing phase of a follicle), is spade-shaped and composed of many plump fibrocytes and copious amounts of mucin. A follicular papilla is continuous with the perifollicular connective tissue…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Metastasizing Dermatofibroma?

…nfiltrate, made up mostly of histiocytes mostly, is dense; much later, in terminal throes, the infiltrate composed of mostly fibrocytes is sparse. Biologically, a papule or nodule of dermatofibroma tends to shrink in time and to become flat or even…