Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Langerhans’ Cell Granulomatosis?

…heir cell of origin had yet to be identified, hence the letter X. In addition to the title histiocytosis X, Lichtenstein continued to advocate the use of the terms eosinophilic granuloma, Hand-Sch?ller-Christian disease, and Letterer-Siwe disease bec…

Dermatology Practical & Conceptual

Welcome, readers!

Editorial It is a great pleasure for me to write this editorial in my role as the new editor of Dermatology Practical & Conceptual. With this new role I face, equally, a challenge and an honor, given that I follow the footsteps of the esteemed p…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pernio, Perniosis, Lupus Pernio, Chilblain, and Chilblain Lupus?

“Eleven out of 17 presented with chilblain LE after the development of facial discoid LE and the delay varied from 1 to 14 years (mean 5.9 years). . . . Three patients had chilblains and bad circulation before the onset of LE. The sites of th…

Differential Diagnosis in Dermatopathology

Discussions

Nevus verrucosus and acanthosis nigricans are processes that affect the papillary dermis and the epidermis. Both conditions may display hyperkeratosis, epidermal hyperpigmentation, papillomatosis, melanophages, and an increased number of fibrocytes…

Differential Diagnosis in Dermatopathology

Discussions

Epidermolytic hyperkeratosis and a plane wart share several findings histopathologic, among them being a papillated and thickened epidermis, hypergranulosis, and cells with pale cytoplasm within the epidermis. The terms “epidermolytic hyperker…