Nerve sheath myxoma is a rare benign tumor of the peripheral nerves. It typically presents as a painless, firm, and slow growing nodule with a predilection for extremities mostly fingers and knees. Microscopically, it has characteristic multilobules of spindle cells in an abundant myxoid stroma. The cells are strongly positive for S-100 protein. However, this rare tumor is usually misdiagnosed ...

Myxomas are benign tumors that generally arise from the heart, soft tissues, muscle, skin and bone (1). Herein we present a myxoma case found on the ovary. A 12-year-old girl was under follow-up for menstrual irregularities for 1 year and pelvic ultrasonography revealed bilateral para-ovarian simple semisolid lesions. Pelvic magnetic resonance imaging was performed, and a cystic lesion (65×4 cm...

tumor cells were diffusely positive for vimentin, CD34, and CD44, but negative for smooth muscle actin, desmin, S-100 protein, and pan-keratins (Figure 4). Clinical and pathological findings contributed to the diagnosis of penial superficial angiomyxoma. The margins of the sections were free from tumor cells. An 80-month follow-up showed no sign of SAM recurrence, and the enlargement of bilater...

To the Editor: Myointimoma is a benign tumor that was first described by Fetsch et al1 in the year 2000. It is considered to be a rare tumor arising from the intima of the vessels of the corpora cavernosa of the penis, and has been included as a specific entity among the genitourinary tumors in the latest review by the World Health Organization in 2006. In our review of the literature using the...