A 16 year-old competitive gymnast presents to the emergency department with left ankle pain for several weeks and missed periods. The mother provides consent to treat the patient and informs you she is concerned that with the patient’s missed periods, she may be pregnant. You obtain x-rays of her ankle (Figure 1).
Figure 1. Case courtesy of Dr Hani Makky ALSALAM, Radiopaedia.org, rID: 8720