Myointimoma

Synonyms

Leiomyoma of the glans penis; Myofibroma of the glans penis

Definition

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.

Clinical Features

• Incidence

  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).

• Age

  Myointimoma can occur both in the pediatric (Fetsch et al. 2000; McKenney et al. 2007; Turner et al. 2009) and adult population (Fetsch et al. 2000; Robbins...