Search Results for: nodule

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Yellow color upon dermatoscopy does not exclude melanoma!

Yellow color upon dermatoscopy does not exclude melanoma!

…y developed and growing nodule located on her left cheek. Clinically, the lesion appeared as a dome-shaped yellow to reddish nodule with well-defined borders that was surrounded by a collarette-like scale (Figure 1A). The nodule was firm on…

Study By Disease

Study By Disease

…ic neuroendocrine carcinoma (Quiz #129) Miescher’s nevus (Quiz #526) Miescher’s nevus (Quiz #570) Milker’s nodule (Quiz #117) Milker’s nodule (Quiz #607) Molluscum contagiosum (Quiz #496) Morphea (Quiz #24) Morphea (Quiz #39)…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Chondrodermatitis Nodularis Helicis?

…fer’s nodule, pressure papule from prostheses, granuloma (acanthoma) fissuratum, prurigo nodularis, and picker’s nodule. Those conditions, like chondrodermatitis nodularis helicis, consist of papules or nodules, and they tend to become…

Histologic Diagnosis of Inflammatory Skin Diseases

Necrobiosis lipoidica

…appears in time without residua clinical, whereas necrobiosis lipoidica usually resolves as an atrophic scar, and rheumatoid nodule persists as a nodule or tumor. Even the palisaded granulomas themselves are different in those four diseases. In the…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ma annulare as evidenced by the abundant mucin in the center of some palisades of histiocytes. In short, there is rheumatoid nodule, but no “pseudorheumatoid nodule,” which is granuloma annulare. 10.43.22A: Nodular dermatitis +…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Churg-Strauss Granuloma and Allergic Granulomatosis?

…ety of processes pathologic Basal-cell carcinoma “A typical extravascular lesion had the appearance of a granulomatous nodule. . . . Histologically, it consisted of an eosinophilic core in which one could discern more or less severely altered…

Histologic Diagnosis of Inflammatory Skin Diseases

Algorithms Predicated on “Nonspecific” Findings

…metimes even abnormal ones), and plasma cells, and, at times, of neutrophils and histiocytes, too. Click image to enlarge. + Nodules of neutrophils and nuclear “dust” of neutrophils, eosinophils, and plasma cells especially, but also of…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pseudomalignancies?

…sarcoma, a malignant neoplasm that simulates a palisaded granulomatous dermatitis, such as granuloma annulare or rheumatoid nodule. Another is renal-cell carcinoma a metastatic to skin in which nuclei of neoplastic cells are small and monomorphic….

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