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Leiomyoma of the glans penis; Myofibroma of the glans penis
Myointimoma is a rare but very distinctive benign intravascular myofibroblast proliferation, derived from intimal cells of the vessels that constitute the corpus spongiosum of the penis.
Myointimoma is very rare, with only few cases reported so far, including a series of 10 cases (Fetsch et al. 2000), a series of 5 juvenile cases (McKenney et al. 2007), and 4 case reports (Robbins and Kohler 2005; Vardar et al. 2007; Turner et al. 2009; Monsálvez et al. 2009).
Moreover, it is possible that some old reports of penile intravascular leiomyoma, intravascular leiomyomatosis, leiomyoma, late stage intravascular fasciitis, and solitary cutaneous myofibroma are lesions that would now be called myointimoma (McKenney et al. 2007).
References and Further Reading
- Fetsch, J. F., Brinsko, R. W., Davis, C. J., Jr., Mostofi, F. K., & Sesterhenn, I. A. (2000). A distinctive myointimal proliferation (‘myointimoma’) involving the corpus spongiosum of the glans penis: A clinicopathologic and immunohistochemical analysis of 10 cases. The American Journal of Surgical Pathology, 24(11), 1524–1530.PubMedCrossRefGoogle Scholar
- McKenney, J. K., Collins, M. H., Carretero, A. P., Boyd, T. K., Redman, J. F., & Parham, D. M. (2007). Penile myointimoma in children and adolescents: A clinicopathologic study of 5 cases supporting a distinct entity. The American Journal of Surgical Pathology, 31(10), 1622–1626.PubMedCrossRefGoogle Scholar