Search Results for: dermatofibroma

Differential Diagnosis in Dermatopathology

Discussions

…when germinative cells proliferate from epidermis above some dermatofibromas. In both manifestations of pseudocarcinomatous hyperplasia, i.e., the squamous-cell and the basal-cell, the proliferation is secondary to what usually is an identifiable un…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pseudomalignancies?

…asms, but, rarely, they may be inflammatory diseases, such as dermatofibromas and xanthogranulomas with “monster cells.” Irrespective of the essential nature of the process pathologic, the term pseudomalignancy (pseudocarcinoma, pseudolym…

Dermatology Practical & Conceptual

Mobile teledermoscopy-there’s an app for that!

…carcinoma in situ, actinic keratosis, seborrhoeic keratosis, dermatofibroma, angioma or other. Potential differential diagnoses were not taken into consideration. Furthermore, they provided a management decision (excision, biopsy, follow-up with dig…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…e in an early stage of a variety of scarring processes, e.g., dermatofibroma. 10.70.2A: Panniculitis, lobular + 10.70.2B: Interwoven fascicles of plump oval and spindle-shaped fibrocytes in conjunction with fibrillary bundles of collagen, abundant mu…

Differential Diagnosis in Dermatopathology

Images

Dermatofibroma with “monster” cells Malignant fibrous histiocytoma…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Dermatofibroma with “monster” cells Malignant fibrous histiocytoma 1. Symmetric 1. Asymmetric 2. Vertical orientation sometimes 2. No vertical orientation 3. Vasculature prominent 3. Vasculature not prominent 4. Few, if any, mitotic fig…

Histologic Diagnosis of Inflammatory Skin Diseases

Necrobiotic xanthogranuloma

…dica, despite the similarities in nomenclature (any more than dermatofibroma is connected in any way to dermatofibrosarcoma protuberans or sclerema neonatorum to scleredema adultorum), the two diseases have in common, besides names that sound somewha…