 [ Symptoms ] boyfriends thigh cramped bruised and swelled up huge cat scan ultrasound done no diagnosis  whole thigh bruised about 9 days ago on the 3rd of july my boyfriend had his whole leg cramp up on him next day it started bruising and swelling day 3 we went to the doctor ultrasound done and there were no blood clots doc said it could be lymph fluid day 5 had cat scan and blood work done no diagnosis day 9 it is still swelling and bruising more we made an appointment with a vascular surgeon on the 16th of july [ Disease ] with a muscle spasm if bad enough you can have bruising and some swelling but to me it sounds like when the muscle spasmed it may have ripped or torn a muscle or tended maybe even closed something off like a blood vessel or artery but you are doing the right thing by making and going to the doctor and specialist it my take some time but i am sure everything well work out great i really hope this helps thank you and good luck to you and yours <positive_smiley>