Search Results for: neoplasms

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pseudomalignancies?

…phologic usually are expressed as a characteristic silhouette and as particular aspects cytopathologic. As a rule, malignant neoplasms tend to be asymmetrical and poorly circumscribed and to be made up of cells disposed in aggregations that vary…

Histologic Diagnosis of Inflammatory Skin Diseases

Cells That Mediate Inflammation (Inflammatory Cells)

…y, the erroneous concepts of histiocytic lymphoma, histiocytic medullary reticulosis, and malignant histiocytosis, malignant neoplasms of lymphocytes all. In inflammatory diseases of the skin in which lymphocytes participate (which is the…

Differential Diagnosis in Dermatopathology

Discussions

…oblastoma tends to be symmetrical and relatively sharply-circumscribed, whereas that of basal-cell carcinoma, like malignant neoplasms in general, tends to be asymmetrical and poorly circumscribed. When the neoplasms are biopsied by punch technique,…

Histologic Diagnosis of Inflammatory Skin Diseases

Suggested Readings

…angueza M, Radonich MA, Ackerman AB. Uncloaking the mantle. Dermatopathol Pract Concept 1996;2:3-16. Steffen C, Ackerman AB. Neoplasms with Sebaceous Differentiation. Philadelphia: Lea & Febiger, 1994. Wheatley VR. The sebaceous glands. In:…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo?

…reased numbers of epidermal melanocytes without nesting.” Langley RGB, Barnhill RL, Mihm MC, Fitzpatrick TB, Sober AJ. Neoplasms: Cutaneous melanoma. In: Freedberg IM, Eisen AZ, Wolff K, Austen KF, Goldsmith LA, Katz SI, eds….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Malignant Spitz Nevus?

…. 2nd ed. New York: Churchill-Livingstone, 2002. By definition, benign neoplasms are incapable of metastasis; only malignant neoplasms can disseminate by blood and lymph vessels and across serosal surfaces. Just one neoplasm of melanocytes is…

Pigmented poroma with unusual location and dermatoscopic features

Pigmented poroma with unusual location and dermatoscopic features

…entiation towards ductal epithelium of eccrine or apocrine glands [1,2,3]. Poromas represent 10% of all eccrine and apocrine neoplasms. Because ducts of both glands are morphologically identical under optical microscopy, the designation…