Rectosigmoid Endometriosis Causing Large Bowel Obstruction.

Large bowel obstruction is most commonly due to colorectal carcinoma, diverticular disease or volvulus. Rare causes of large bowel obstruction like endometriosis may occur in premenopausal women and diagnosis of large bowel endometriosis can be challenging to confirm preoperatively. Hence, clinicians should maintain a high index of suspicion for rare causes of large bowel obstruction like endometriosis.

A review of carotid and vertebral artery dissection.

Cervical artery dissection is a major cause of ischaemic stroke in young adults. The diagnosis can be challenging as some patients may present with seemingly benign symptoms such as a headache, neck pain or dizziness. However, the neurological sequelae of a transient ischaemic attack, vision loss or ischaemic stroke are potentially devastating.