Search Results for: dermatofibroma

Differential Diagnosis in Dermatopathology

Images

Dermatofibroma Desmoplastic Spitz’s nevus…

Differential Diagnosis in Dermatopathology

Images

Surface of dermatofibroma affiliated with follicular germs Surface of superficial basal-cell carcinoma…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Dermatofibroma, hemorrhagic papulo-nodule Kaposi’s sarcoma, hemorrhagic papulo-nodule 1. Poorly circumscribed; border sometimes jagged 1. Well-circumscribed; border smooth 2. Epidermis acanthotic and hyperpigmented 2. Epidermis thinned and of…

Differential Diagnosis in Dermatopathology

Images

Dermatofibroma, hemorrhagic papulo-nodule Kaposi’s sarcoma, hemorrhagic papulo-nodule…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Dermatofibroma Desmoplastic Spitz’s nevus 1. Acanthotic epidermis often associated with induction of folliculo-sebaceous units 1. Little or no acanthosis; no induction of folliculo-sebaceous units 2. Epidermis often thinned above the center o…

Differential Diagnosis in Dermatopathology

Pigmented Lesions

…lar dermis too. Melanin increased in amount in the epidermis. Dermatofibroma (183, 520) Proliferation of fibrocytes and histiocytes (lipophages and siderophages early in the course) in a mass in the reticular dermis, those cells appearing to be splay…

Differential Diagnosis in Dermatopathology

Nodular fasciitis vs. Malignant fibrous histiocytoma

A malignant nonepithelial neoplasm (a sarcoma) presumably of perineural fibrocytes that presents itself usually on the trunk, but sometimes elsewhere, such as the extremities, face, and scalp. A papule of it tends to become a plaque, a nodule, a tum…

Differential Diagnosis in Dermatopathology

Images

Dermatofibroma Dermatofibrosarcoma protuberans…

Differential Diagnosis in Dermatopathology

Discussions

…r of fascia, (or the subcutaneous fat at times), analogous to dermatofibroma, an inflammatory process that results from injury to the dermis (and the uppermost part of the subcutaneous fat sometimes). Some textbooks of pathology include nodular fasci…