Dermatology Practical & Conceptual

Blue nevus with a starburst pattern on dermoscopy

…ent with a blue-gray papule approximately 4 mm in diameter. We suspected that it was a blue nevus or a pigmented Reed/Spitz nevus. On dermoscopic observation, the lesion showed homogeneous black-bluish pigmentation. This dermoscopic feature was sugge…

Dermatology Practical & Conceptual

The so-called dysplastic nevus is not dysplastic at all

…orically, histologically, clinically and molecularly, that the so-called dysplastic nevus is a type of melanocytic nevus and should be managed like other types of melanocytic nevi [1,2]. This reinforces the notion set forth by the late Bernie Ackerma…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Malignant Spitz Nevus?

…turation in depth and less cohesion of cells than in the usual Spitz nevus.” Weedon D, Strutton G. Skin Pathology. 2nd ed. New York: Churchill-Livingstone, 2002. By definition, benign neoplasms are incapable of metastasis; only malignant neop…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Basal-Cell Carcinoma Common in Nevus Sebaceus?

…us-cell carcinoma and basal-cell carcinoma arising in a naevus sebaceous of Jadassohn: case report and literature review. Clin Exp Dermatol 2005 May;30(3):259-60. Virtually every textbook in which an entry about nevus sebaceus is found states that b…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Normal, Typical, Ordinary, Banal, and Common Nevus?

…(.25 inches) in diameter. Any mole that grows larger than that size may be cancerous.” Accessed November 29, 2006. “When a typical common nevus is seen under the microscope (one hopes

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Junctional Activity and Active Junctional Nevus?

…onal activity ceases and the lesion is composed only of dermal nevus cells (intradermal nevus).” Weedon D. Lentigines, nevi, and melanomas. In: Skin Pathology. 2nd ed. New York, NY: Churchill-Livingstone, 2002:806. “Intradermal nevi sho…

Clinical Case Studies

Nevus of Ota

…he left infraorbital region. There was no associated change in skin texture. No scleral pigment was noted. Figure 1. Nevus of Ota at patient’s initial presentation. Nevus of Ota was suspected because of the history and morphology. Nevus of O…