Figure 4.
A 23-year-old asymptomatic female underwent investigation for polycystic ovarian syndrome. Histology confirmed a monodermal teratoma. (a) T2 weighted MR image in sagittal plane showing the lesion as a lobulated (short arrow) well-circumscribed (large arrowhead), complex and partly cystic mixed signal mass (thin arrow) anterior to the sacrum and coccyx (small arrowhead). Incidental note is made of a haemangioma within the vertebral body of L5 (thick arrow). (b) Coronal T2 weighted MR image showing the normal right (thick arrow) and left (thin arrow) ovaries.