Histologic Diagnosis of Inflammatory Skin Diseases

Apocrine Units

…s “modified,” as so often is asserted. Nor is the breast a “modified apocrine gland” or a “modified sweat gland.” The breast simply is a distinctive region of the skin and subcutaneous tissue, the latter housing a…

Histologic Diagnosis of Inflammatory Skin Diseases

Traumatic fat necrosis

…rs to edema of the forearm following trauma. Carcinoma of the breast may be simulated by traumatic panniculitis in a woman who is obese. Differential diagnosis clinical Factitious panniculitis is inflicted by the patient and may present itself as s…

Histologic Diagnosis of Inflammatory Skin Diseases

Thrombophlebitis

…17;s disease is thrombophlebitis in a superficial vein in the breast of a woman. Phlebothrombosis is thrombosis of a superficial or deep vein devoid of signs of inflammation. Varicose thrombophlebitis implies evidence clinical of chronic venous insuf…

Histologic Diagnosis of Inflammatory Skin Diseases

Radiation dermatitis and panniculitis

…llows megavoltage therapy, usually given for carcinoma of the breast, differs histopathologically from radiation sclerosis on one hand and the inflammatory stage of morphea on the other. Pseudosclerodermatous panniculitis, in common with the inflamma…

Histologic Diagnosis of Inflammatory Skin Diseases

Muscles

…le unaffiliated with follicles is present in abundance in the breast, especially in the vicinity of the nipple, in the labium majus, and in the scrotum, imparting to those anatomic sites distinctiveness histologically. No muscles of hair erection are…