Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo Maligna?

“Melanoma arising from lentigo maligna is preceded by or forms a part of a recognizable series of events affecting the melanocytic cellular system in a way similar to these stages. First, there is a long period characterized by an increase in…

Histologic Diagnosis of Inflammatory Skin Diseases

Limitations of the Algorithmic Method

The algorithmic method proposed in these pages and predicated on patterns histopathologic is intended to be more than just a guide to diagnosis of particular pathologic processes in skin and subcutaneous fat; it is meant to serve as a springboard fo…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.80.1A: Perivascular dermatitis, lymphocytic + 10.80.1B: Lymphocytes in tiny foci of spongiosis = Pityriasis alba  The changes could be misinterpreted as those of a flat lesion of mycosis fungoides, but the absence of any alterat…

Dermatology Practical & Conceptual

Saved by step sections: an unusual presentation of basal cell carcinoma

Abstract Background: Basal cell carcinoma usually occurs in sun exposed areas of older male individuals. Objectives: To emphasize the importance of histological step sections in the pursuit of the correct diagnosis when microscopic findings do not…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermatofibroma?

“Cutaneous fibroma Fibroma simplex Simple fibroma of the skin, as defined above, is a benign tumor, usually appearing solitary, on the upper part of the body and the extremities, which, mainly imbedded in the skin, is only rarely and little…