Search Results for: nodule

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ingly abnormal lymphocytes in the dermis = Mycosis fungoides, nodule  The ulcer is a consequence of the effects of the lymphomatous process, rather than of external trauma. Abnormal lymphocytes are present in the acanthotic epidermis, as well as in t…

Differential Diagnosis in Dermatopathology

Discussions

…theme pathologic. Clinically, xanthogranulomas are papules or nodules with a yellow, orange, or tan cast. The color results from abundant lipid in the cytoplasm of histiocytes that constitute the bulk of the lesion. The condition is better termed xan…

Dermatology Practical & Conceptual

Pigmented tumor in the nostril

…melanin [5]. The lesion most often arises as a solitary skin nodule on the face (85%) [4]; however, multiple IFK have been described in Cowden’s syndrome [6]. The cheek and the upper lip are the sites of predilection; other sites affected are…

Differential Diagnosis in Dermatopathology

Discussions

…e presents itself typically as a solitary pink-purple papule, nodule, or plaque on a face. Lesions multiple on a face especially or on any other site anatomic, and tending to be agminated were diagnosed a few decades ago as “pseudolymphoma&#822…

Dermatology Practical & Conceptual

The dermatoscopic universe of basal cell carcinoma

…essels and blue-gray ovoid nests (a). Although nor the second nodule displays a pigment network, it exhibits dotted vessels and its pigmented structures are irregular brown/black globules and irregular peripheral streaks, in contrast to the well-circ…

Histologic Diagnosis of Inflammatory Skin Diseases

Granuloma annulare

…screte Individual lesions Papules and plaques in the skin and nodules in the subcutaneous fat Course As a rule, resolving slowly over months without residua; atrophic macules or patches are remnants rarely Variations clinical Subcutaneous granuloma a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Reactive Perforating Collagenosis?

…case for chondrodermatitis nodularis helices, picker’s nodules, surfer’s nodules, and nodules that form at the base of an amputation stump; the trauma in those conditions, however, results from something other than scratching. In short,…