A Clinical Atlas of 101 Common Skin Diseases

Xanthogranuloma

A granulomatous inflammatory process that presents itself in children as multiple yellowish papules or nodules that often are associated with systemic involvement of eyes, liver, and testes. In adults it is usually a solitary lesion confined to the…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

…re of lichen rubra moniliformia], returning to the old case of Kaposi by which the question began in 1886.” Pinkus H. Lichen ruber moniliformis Kaposi. Arch Dermatol Syphil 1946;54:472–74. “Keratosis lichenoides chronica is a rare…

Differential Diagnosis in Dermatopathology

Discussions

Both pyogenic granuloma and Kaposis sarcoma consist of proliferations of endothelial cells, and both are hyperplasias. In most instances, papules and nodules of Kaposis sarcoma are differentiated easily by microscopy conventional from…

Differential Diagnosis in Dermatopathology

Discussions

Early changes in papulonodular lesions of dermatofibromas are similar, in many respects, to those in Kaposis sarcoma. Both are dome-shaped and consist of proliferations that are highly cellular. Most of the cells are oval and they are joined…

Histologic Diagnosis of Inflammatory Skin Diseases

Acroangiodermatitis of Mali/Stewart-Bluefarb syndrome

…as a consequence of an underlying arteriovenous malformation. Similar changes occur on upper limbs of patients on hemodialysis as a consequence of an arteriovenous fistula. Differential diagnosis clinical Kaposis sarcoma presents itself as p…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

…equivalent for “hyalin globules,” which are pink, spherical bodies found in endothelial cells of Kaposis sarcoma. They are noticeable most readily in tumors of that disease, but they also may be detected in plaques and, sometimes,…

Histologic Diagnosis of Inflammatory Skin Diseases

Pyogenic granuloma

…iomatosis usually presents itself as many papules and nodules, sometimes hundreds of them, in persons who are HIV positive. Hemangiomas usually are not ulcerated and change little over the course of a lifetime. Kaposis sarcoma may manifest its

Dermatology Practical & Conceptual

Tufted hemangioma: clinical case and literature review

…distribution, encircled by empty cleft-like vessels and often surrounded by sclerotic dermis. Tufts are composed of epithelioid and spindle cells with slit-like spaces resembling Kaposi sarcoma. Hyaline globules may be seen within the tufts [2]. Wid…

Histologic Diagnosis of Inflammatory Skin Diseases

Dermatofibroma

…iation with fibrillary bundles of collagen arranged often in a storiform pattern; no keloidal collagen bundles ever, no acanthosis, and, as a rule, no induction of folliculosebaceous units as accompaniments. Kaposis sarcoma in the nodular and…