Search Results for: dermatofibroma

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…

Histologic Diagnosis of Inflammatory Skin Diseases

Necrobiotic xanthogranuloma

…necrobiotic xanthogranuloma is not related to necrobiosis lipoidica, despite the similarities in nomenclature (any more than dermatofibroma is connected in any way to dermatofibrosarcoma protuberans or sclerema neonatorum to scleredema adultorum),…

Melanoma and satellite blue papule

Melanoma and satellite blue papule

…like seborrheic keratosis, including lichen planus-like keratosis, hemangioma, pigmented basal cell carcinoma, hemosiderotic dermatofibroma, Kaposi sarcoma and angiosarcoma. Finally, exogenous dermal blue pigmentation, such as ink tattoo, radiation…

Nodular melanoma: five consecutive cases in a general practice with polarized and non-polarized dermatoscopy and dermatopathology

Nodular melanoma: five consecutive cases in a general practice with polarized and non-polarized dermatoscopy and dermatopathology

…icuous. In a study by Balagula et al. it was found that in non-biopsied lesions these structures were most commonly found in dermatofibromas and scars, but in 265 biopsied lesions including 20 melanomas they were observed in 47.6% of basal cell…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Xanthomatous dermatofibroma Xanthomatous malignant fibrous histiocytoma 1. Lesion relatively well circumscribed 1. Lesion poorly circumscribed 2. No collarettes of epithelium 2. Collarettes of epithelium sometimes 3. Epidermis hyperpigmented…

Differential Diagnosis in Dermatopathology

Images

Xanthomatous dermatofibroma Xanthomatous malignant fibrous histiocytoma