Bowel resection for crohns

I HAVE BEEN DIAGNOSED WITH CROHNS DISEASE AND WAITNING FOR A BOWEL RESECTION I ALSO HAVE EXTREME PAIN IN MY LOWER BACK AND HIPS I HAVE RECENTLY HAD MRI SCANS AND BONE DENSETITY SCANS I HAVE NOT HAD ANY RESULTS AS YET BUT LATELY I HAVE BEEN FEELING SICK EXTREMLEY TIRED AND I AM SUFFERING FROM PINS AND NEEDLES ON THE LEFT SIDE OF MY BODY HAS ANYONE ELSE HAD SIMILAR EXPERIENCES AND IF SO WHAT COULD IT BE THANX ALI