Differential Diagnosis in Dermatopathology

Differential Diagnosis

…7. Extensive necrosis en masse of adipocytes; karyorrhexis and karyolysis striking 7. Necrosis of adipocytes manifested mostly by karyorrhexis; karyolysis present, but subtle 8. Membanous fat necrosis 8. No membranous fat necrosis 9. Marked scler…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Chondrodermatitis Nodularis Helicis?

“At the dermatology meeting in Berlin, Jadassohn also indicated that changes in the cartilage can often be established clinically, especially the knobby sites on the helix that show a whitish transparence through a thinned epidermis. My expe…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.53.1A: Perivascular dermatitis + 10.53.1B: Ballooned and individual necrotic keratocytes in the upper part of the epidermis = Phototoxic dermatitis In the realm of photodermatitis, the presence of many individual necrotic kerato…

Differential Diagnosis in Dermatopathology

Discussions

Changes histopathologic in both lupus erythematosus profundus and panniculitis-like T-cell lymphoma involve the subcutaneous fat especially where they have in common an infiltrate, in lobules and septa, comprised mostly of lymphocytes, fat necrosis…