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A bone marrow aspiration involves taking a sample of bone marrow, usually from the back of the large pelvic bone. This involves the insertion of a special needle into the marrow of the bone after local anaesthetic has been used to numb the tissues surrounding it.
Botulinum toxin is a chemical that relaxes muscles. It is commonly used for wrinkles on the face. In the bladder, it relaxes the bladder muscle, so as to reduce the urge to go to the toilet.
This leaflet is for patients, their families and carers to provide information about brain aneurysms, including incidental finding, risk factors for having an aneurysm, tests and investigations, and the treatment options and management of the condition.
