Search Results for: nodule

Nodular melanoma: five consecutive cases in a general practice with polarized and non-polarized dermatoscopy and dermatopathology

Nodular melanoma: five consecutive cases in a general practice with polarized and non-polarized dermatoscopy and dermatopathology

…g contact with a dermatoscope footplate. There is macular brown pigment on three sides. Case 2: A well demarcated shiny blue nodule with a regular border, with surface scale. Case 3: A well demarcated brown nodule with surface scale, more lightly…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…tuberculoid granulomas, lymphoid follicles in lymphadenosis benigna cutis, and metastases to skin are but three examples of nodules that are visualizable histopathologically. Figure 3.25 Nodule, tumor. ORTHOKERATOSIS [Gk. orthos (straight) + keras…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sclerotic Fibroma?

…solitary form of the hamartoma to be inherited. In 1991 Metcalf and others examined by conventional microscopy eight dermal nodules from patients who did not have Cowden’s disease. The nodules were nearly identical histopathologically to…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Necrobiosis?

…of collagen is slight, but deposits of mucin are abundant, in the center of palisades of epithelioid histiocytes. Rheumatoid nodule is a granulomatous panniculitis (and sometimes dermatitis) in which huge deposits of fibrin are surrounded by thin…

Histologic Diagnosis of Inflammatory Skin Diseases

Farmyard pox

…erinarians Distribution of lesions Fingers especially Configuration of lesions Annular sometimes Individual lesions Papules, nodules Course Lesions regress slowly over months and years, the duration on average being about 6 weeks Variations clinical…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…rdinarily pruritic, induces persistent rubbing and animated scratching, the result being prurigo nodularis or picker’s nodule imposed on what originally was a suppurative process centered in infundibular epidermis, that process disappearing in…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Atopic Dermatitis?

…extended period of time, the result is a papule or nodule referred to as “prurigo nodularis.” If that papule or nodule then is scratched fiercely, it becomes eroded or ulcerated, and a “picker’s nodule” is brought into…

Histologic Diagnosis of Inflammatory Skin Diseases

Dermatofibroma

…f histiocytes mostly (often both lipophages and siderophages) in conjunction with innumerable erythrocytes extravasated in a nodule in the reticular dermis and, sometimes, in the upper part of the subcutaneous fat Proliferation of small blood…