Search Results for: dermatofibroma

Differential Diagnosis in Dermatopathology

Discussions

…adults. The prominent fibroplasia may cause a Spitz’s nevus to be misinterpreted, clinically and histologically, as a dermatofibroma. The presence of large, often polygonal or plasmacytoid melanocytes dispersed as solitary units and in small…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nuclear Atypia, Cytoplasmic Atypia, and Architectural Atypia?

…That fact is manifested not only in benign neoplasms, such as Spitz’s nevi, but even in inflammatory diseases, such as dermatofibroma with “monster cells.” We reject completely the notions spawned recently of “cytoplasmic…

Histologic Diagnosis of Inflammatory Skin Diseases

Foreign body reaction

…ost commonly cinnabar, a compound of mercury, induce sarcoidal granulomas. Differential diagnosis clinical Scar, keloid, and dermatofibroma may be triggered by a “foreign body.” For example, all three types of fibrosing inflammation may…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Fibromatoses?

…e beginning of this particular quandary. Under the rubric of fibromatoses, he included inflammatory diseases (fibroma durum [dermatofibroma]; cicatricial fibromatosis [hypertrophic scar]; keloid [palmar-plantar and penile fibromatosis, and…

Lichenoid keratosis: non-invasive imaging in the setting of diagnostic uncertainty

Lichenoid keratosis: non-invasive imaging in the setting of diagnostic uncertainty

…attered red dots were found in the periphery, these correspond to pin point or coiled blood vessels. (Figure 2). Clues for a dermatofibroma include the central hypopigmentation and structureless pattern. There is a single clue for Bowen’s…

Histologic Diagnosis of Inflammatory Skin Diseases

Keloid

…ids. For example, thick bundles of collagen in haphazard array, i.e., keloidal collagen, are found in the upper part of some dermatofibromas, in certain basal-cell carcinomas, and in association with metastases of carcinomas to skin, especially…

Solitary mastocytoma presenting in an adult: report and literature review of adult-onset solitary cutaneous mastocytoma with recommendations for evaluation and treatment

Solitary mastocytoma presenting in an adult: report and literature review of adult-onset solitary cutaneous mastocytoma with recommendations for evaluation and treatment

…patch with irregular borders. [Copyright: ©2016 Cohen.] Figure 2. Distant (a) and closer (b) views of the left breast show a dermatofibroma presenting as a two-toned brown patch with irregular borders. [Copyright: ©2016 Cohen.] Figure 3. Distant (a)…

Histologic Diagnosis of Inflammatory Skin Diseases

Leprosy

…f lepromatous leprosy is known as “histoid” because the findings histopathologic resemble those of histiocytoma (dermatofibroma). In actuality, histoid leprosy is merely a lesion of lepromatous leprosy in the process of resolving slowly…

Differential Diagnosis in Dermatopathology

Discussions

…and areola), genitalia, perianal region, umbilicus, and intertriginous regions, and of sarcomas (e.g., nodular fasciitis and dermatofibromas with “monster” cells). Reputed look-alikes look less alike when a histopathologist undertakes…