Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo Maligna?

…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 number of structurally normal melanocytes per unit area, which is associated…

Histologic Diagnosis of Inflammatory Skin Diseases

Miliaria crystallina

…ew stratum corneum Variations clinical Miliaria crystalline (superficial miliaria, sudamina) Miliaria rubra (prickley heat, heat rash) Miliaria profunda Differential diagnosis clinical “Id” reactions are associated with redness. Findin…

Differential Diagnosis in Dermatopathology

Erythroderma of psoriasis vs. Erythroderma of mycosis fungoides

Mammary Paget’s disease is an apocrine carcinoma that begins in mammary glands and extends along lactiferous ducts to the epidermis where it is seen clinically as a scaly, crusted, or eroded plaque on the nipple or areola of women mostly, and…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Epidermal Cyst and Epidermoid Cyst?

…an involuting follicle well advanced in catagen (exhibiting a basal layer, a pale spinous layer in which “spines” are seen with great difficulty, no granular zone, and compact orthokeratosis), and which is referred to by us as “foll…