Search Results for: fibrocytes

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…nd panniculitis, septal and lobular + 10.67.10B: Lymphocytes and numerous plasma cells surround venules, and histiocytes and fibrocytes in company with thickened bundles of collagen in the reticular dermis = Necrobiosis lipoidica Although the…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

-oid?

…ndothelial cells that are said to resemble histiocytes cytologically (but a tenet basic of histology holds that histiocytes, fibrocytes, and endothelial cells may be indistinguishable from one another morphologically). Furthermore, the appellation…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Degeneration Syndrome?

…esent, i.e., thin suprapapillary plates and inconspicuous granular layer Epidermal changes not prominent Increased number of fibrocytes around the upper part of a follicle, but no concentration of fibrocytes at the isthmus Lamellar fibroplasia at…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus?

…entirely to one another. Moreover, the cells of a nevus, as the term is employed generally, may be melanocytes, keratocytes, fibrocytes, endothelial cells, or adipocytes. So-called nevus cells are abnormal melanocytes. To complicate the matter…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Necrobiosis?

…ecrobiosis as necrosis of collagen, rather than as degeneration of that fibrous protein. Collagen is a fiber and, unlike the fibrocytes that produce it, cannot undergo necrosis; only viable cells can suffer necrosis. The tinctorial and structural…

Differential Diagnosis in Dermatopathology

Discussions

…matofibromas, however, erythrocytes are not arrayed in any particular pattern in relationship to nearby oval histiocytes and fibrocytes, but are clustered, often in association with pools of serum. In an evolving dermatofibroma, extravasated…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermatofibroma?

…te of histiocytes (dermatofibroma), and sometimes at a very late stage the fibrosis is affiliated with a decreased number of fibrocytes in conjunction with “homogenization” of bundles of collagen (subepidermal nodular sclerosis). The red…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…gins in septa with predominance of neutrophils, progresses to preponderance of histiocytes, and ends with a near monopoly of fibrocytes that are responsible for striking fibrosis. In the process, the septa become widened markedly, and, concurrent,…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…he surface of the skin (i.e., parallel to the long axis of the anomaly elongate) 2. Collagen bundles arranged haphazardly 3. Fibrocytes normal cytologically not usually increased in number 3. Fibrocytes often large, stellate, or multinucleate are…