Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…ci M, Sari A, Ataoglu O. Microcystic adnexal carcinoma of the breast: a very rare breast skin tumor. Dermatol Surg 2002 Nov;28(11):1092-4. “Trichoblastoma is a rare benign skin appendage tumor of hair germ origin.” Cheng L, Binder SW, G…

Differential Diagnosis in Dermatopathology

Discussions

…iagnosis from neoplasms primary in the skin. Carcinoma of the breast is an exception. If there are but a few neoplastic cells and numerous inflammatory cells scattered diffusely among bundles of collagen, metastatic carcinoma from the breast may be m…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mammary and Extramammary Paget’s Disease?

…epidermis of an underlying intraductal adenocarcinoma in the breasts, the histogenesis of the extramammary type remains controversial.” Weedon D, Strutton G. Skin Pathology. 2nd ed. New York: Churchill-Livingstone, 2002. Mammary and extrama…

Dermatology Practical & Conceptual

Papillary adenocarcinoma in situ of the skin: report of four cases

…ive surgical margin. One month earlier, the patient had right breast mastectomy with sentinel lymph node biopsy, which showed the presence of a 3.0 cm low-grade invasive ductal carcinoma with mucinous features in the breast. Four sentinel lymph nodes…

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…