Search Results for: fibrocytes

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

…atrophic lichen planus contains coarse bundles of collagen arranged haphazardly, in conjunction with an increased number of fibrocytes, variable numbers of melanophages, and a sprinkling of lymphocytes. The cornified layer may have returned to its…

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…

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…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…plastic cells 10. Collagen bundles that surround the neoplastic cells are thickened and brightly eosinophilic; the number of fibrocytes often is decreased 10. Collagen bundles that surround the neoplastic cells usually are fibrillar and amphophilic;…

Reflectance confocal microscopy features of facial angiofibromas

Reflectance confocal microscopy features of facial angiofibromas

…logically, angiofibromas are dermal proliferations containing dilated vessels, fibrosis surrounding hair follicles, stellate fibrocytes and distorted hair follicles (Figure 1B) [6,7]. We speculate that the BCC-like structures on RCM represent the…

Differential Diagnosis in Dermatopathology

Discussions

…d” as is the case in sclerosis. In a pure collagenous nevus, elastic fibers may be normal in number or decreased. When fibrocytes are increased in such a nevus, they may assume various shapes, e.g., oval, spindle, and dendritic, and they may…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…undles of collagen narrowed 3. Spaces between bundles of collagen preserved 4. Decrease in number of oval and spindle-shaped fibrocytes; no pleomorphism of them 4. Slight increase in number of stellate-shaped fibrocytes; some of them with…