Synonyms
Blue nevus; Jadassohn-Tieche nevus; Jadassohn-Tieche nevus
Definition
Blue nevi are benign acquired melanocytic lesions characterized by the presence of distinctive pigmented dermal dendritic melanocytes. The morphological spectrum includes common blue nevi and its most significant variants cellular blue nevus, plaque-type blue nevus, and epithelioid blue nevus.
Clinical Features
Incidence
No precise data regarding incidence are available but “common” blue nevi are not infrequently encountered. The variants of blue nevus as described below are significantly less common. Epithelioid blue nevi may arise sporadic or in association with Carney complex.
Age
Blue nevi can present at any age including at birth. Adolescents and young adults are predominantly affected.
Sex
There is an approximately twofold female predilection.
Site
Blue nevi affect a wide spectrum of anatomical sites. Common blue nevusshows a predilection for the dorsum of the hands and feet as well as the face and...
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References and Further Reading
Busam, K. J. (1999). Metastatic melanoma to the skin simulating blue naevus. The American Journal of Surgical Pathology, 23(3), 276–282.
Busam, K. J., Woodruff, J. M., Erlandson, R. A., & Brady, M. S. (2000). Large plaque-type blue naevus with subcutaneous cellular nodules. The American Journal of Surgical Pathology, 24(1), 92–99.
Granter, S. R., McKee, P. H., Calonje, E., Mihm, M. C., Jr., & Busam, K. (2001). Melanoma associated with blue naevus and melanoma mimicking cellular blue naevus: A clinicopathologic study of 10 cases on the spectrum of so-called ‘malignant blue naevus’. The American Journal of Surgical Pathology, 25(3), 316–323.
Van Raamsdonk, C. D., Bezrookove, V., Green, G., Bauer, J., Gaugler, L., O’Brien, J. M., Simpson, E. M., Barsh, G. S., & Bastian, B. C. (2009). Frequent somatic mutations of GNAQ in uveal melanoma and blue naevi. Nature, 457(7229), 599–602.
Zembowicz, A., Granter, S. R., McKee, P. H., & Mihm, M. C. (2002). Amelanotic cellular blue naevus: A hypopigmented variant of the cellular blue naevus: Clinicopathologic analysis of 20 cases. The American Journal of Surgical Pathology, 26(11), 1493–1500.
Zembowicz, A., Knoepp, S. M., Bei, T., Stergiopoulos, S., Eng, C., Mihm, M. C., & Stratakis, C. A. (2007). Loss of expression of protein kinase a regulatory subunit 1alpha in pigmented epithelioid melanocytoma but not in melanoma or other melanocytic lesions. The American Journal of Surgical Pathology, 31(11), 1764–1775.
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Brenn, T. (2016). Blue Nevus. In: Massi, D. (eds) Dermatopathology. Encyclopedia of Pathology. Springer, Cham. https://doi.org/10.1007/978-3-319-30006-1_452
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DOI: https://doi.org/10.1007/978-3-319-30006-1_452
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