Search Results for: adenocarcinoma

Dermatology Practical & Conceptual

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

Abstract Although rare isolated cases of adenocarcinoma in situ of skin have been reported in the literature, adenocarcinoma in situ of skin as a concept and as a diagnostic category has not been established in the field of dermatopathology. In this…

A Clinical Atlas of 101 Common Skin Diseases

Acanthosis Nigricans

Pigmented plaques formed by confluence of smooth-surfaced soft papules, some of which may become polypoid, traversed by accentuations of skin folds. This disease has a predilection for intertriginous regions. The condition may develop consequent to…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mammary and Extramammary Paget’s Disease?

…ect extension into the 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….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Benign, Pseudo, or Malignant Acanthosis Nigricans?

…an abrupt onset and is most commonly associated with gastric adenocarcinoma. It also has occurred as a paraneoplastic phenomenon in other carcinomas. Malignant acanthosis nigricans can occur simultaneously, before, or after the onset of internal mal…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…England: Blackwell Scientific Publications, 1992:1505. “Adenocarcinomas are rare in the skin. Like benign adnexal tumors, they arise from various skin appendages but are truly malignant and have potentiality for metastasis.” Mehregan AH,…

Differential Diagnosis in Dermatopathology

Pagetoid Bowen’s disease vs. Extramammary Paget’s disease

Pigmented plaques formed by confluence of smooth-surfaced soft papules, some of which may become polypoid, traversed by accentuations of skin folds. This disease has a predilection for intertriginous regions. The condition may develop consequent to…

Differential Diagnosis in Dermatopathology

Discussions

…tramammary Paget’s disease begins as an intra-epidermal adenocarcinoma that occurs particularly in the anogenital and axillary regions. The disease stereotypically consists of a solitary, asymmetrical, peculiarly-shaped, often eroded plaque tha…