Histologic Diagnosis of Inflammatory Skin Diseases

Dermatofibroma

…ytes, granulomatous inflammation, and fibrosis. As is the case for other fibrosing dermatitides, such as scars and keloids, papules and nodules of dermatofibroma shrink in time and resolve as hyperpigmented macules, some of which even may be delled….

A Clinical Atlas of 101 Common Skin Diseases

Dermatofibrosarcoma Protuberans

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…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ous extravasated erythrocytes, siderophages, and fibrocytes = Dermatofibroma An important finding for diagnosis of a dermatofibroma such as this one is seen at the periphery of the lesion, namely, thickened bundles of collagen that seem to be envelop…

Histologic Diagnosis of Inflammatory Skin Diseases

Identification of Basic Patterns: Skin: Fibrosing Dermatitis

…d inexorably by fibroplasia in the form of a scar, keloid, or dermatofibroma, fibrosing inflammations all. Scars (Fig. 5.366 A&B), keloids (Fig. 5.367 A&B), and dermatofibromas (Fig. 5.368 A&B) differ from one another clinically, histopat…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sclerotic Fibroma?

…d the “monster” cells encountered episodically in dermatofibroma. The authors considered the lesions to be a unique expression histopathologic of a “benign form of cutaneous fibroma.” In 1989 Rapini and Golitz told of 11 patie…

Differential Diagnosis in Dermatopathology

Discussions

…n this setting refers to one manifestation histopathologic of dermatofibroma and malignant fibrous histiocytoma, and but one of several findings that the two dissimilar processes have in common. In addition to “foam cells,” dermatofibroma

Differential Diagnosis in Dermatopathology

Discussions

…ibrosis, and obliteration of epithelial structures of adnexa. Dermatofibroma with “monster” cells is simply one of many variations histopathologic of an inflammatory process that fundamentally is granulomatous and fibrosing. The “mo…

Histologic Diagnosis of Inflammatory Skin Diseases

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…

Histologic Diagnosis of Inflammatory Skin Diseases

Nodular fasciitis

…asis to the skin usually is more hard than nodular fasciitis. Dermatofibroma usually is smaller in size and either red or brown and often presents with a depressed center. Findings histopathologic Early Granulation tissue in and above the fascia Fu…