Definition
Well-circumscribed benign neoplasm of superficial soft tissue composed of short, intersecting fascicles of bland spindle cells and a prominent vascular component that is a member of the family of benign mesenchymal tumors showing loss of RB1
Clinical Features
Incidence
Cellular angiofibroma is uncommon.
Age
This tumor occurs over a wide age range. In women, it most commonly occurs in the fifth to sixth decade whereas in men, it occurs most commonly in the seventh decade.
Sex
Cellular angiofibroma occurs in both men and women with equal frequency.
Site
In women, the most common site is superficial soft tissue of the vulva and vagina. The inguinoscrotal region is the most common site in men. Extra-genital tumors have been described.
Treatment
Local conservative excision with negative margins is adequate treatment.
Outcome
These tumors are benign and local recurrence is infrequent. Tumors described as having atypia or “sarcomatous transformation” have (so far) had a benign...
References and Further Reading
Chen, E., & Fletcher, C. D. (2010). Cellular angiofibroma with atypia or sarcomatous transformation: Clinicopathologic analysis of 13 cases. The American Journal of Surgical Pathology, 34(5), 707–714.
Chen, B. J., Mariño-Enríquez, A., Fletcher, C. D., et al. (2012). Loss of retinoblastoma protein expression in spindle cell/pleomorphic lipomas and cytogenetically related tumors: An immunohistochemical study with diagnostic implications. The American Journal of Surgical Pathology, 36(8), 1119–1128.
Flucke, U., van Krieken, J. H., & Mentzel, T. (2011). Cellular angiofibroma: Analysis of 25 cases emphasizing its relationship to spindle cell lipoma and mammary-type myofibroblastoma. Modern Pathology, 24(1), 82–89.
Iwasa, Y., & Fletcher, C. D. (2004). Cellular angiofibroma: Clinicopathologic and immunohistochemical analysis of 51 cases. The American Journal of Surgical Pathology, 28(11), 1426–1435.
Kandil, D. H., Kida, M., Laub, D. R., et al. (2009). Sarcomatous transformation in a cellular angiofibroma: A case report. Journal of Clinical Pathology, 62(10), 945–947.
Maggiani, F., Debiec-Rychter, M., Vanbockrijck, M., et al. (2007). Cellular angiofibroma: Another mesenchymal tumour with 13q14 involvement, suggesting a link with spindle cell lipoma and (extra)-mammary myofibroblastoma. Histopathology, 51(3), 410–412.
McCluggage, W. G., Ganesan, R., Hirschowitz, L., et al. (2004). Cellular angiofibroma and related fibromatous lesions of the vulva: Report of a series of cases with a morphological spectrum wider than previously described. Histopathology, 45(4), 360–368.
Panagopoulos, I., Gorunova, L., Bjerkehagen, B., et al. (2017). Loss of chromosome 13 material in cellular angiofibromas indicates pathogenetic similarity with spindle cell lipomas. Diagnostic Pathology, 12(1), 17.
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Nucci, M.R. (2020). Cellular Angiofibroma. In: van Krieken, J. (eds) Encyclopedia of Pathology. Encyclopedia of Pathology. Springer, Cham. https://doi.org/10.1007/978-3-319-28845-1_5363-1
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DOI: https://doi.org/10.1007/978-3-319-28845-1_5363-1
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