Bone Pain?
 

My husband did some yard work this weekend and last night I was rubbing him down a bit and i was leaning on his hip. His hip was very sore. He is very thin and there isn't much meat or muscle on his hip.

I'm wondering if this could be a sign of something or if it is normal for MDS sufferers.

I did google it, and it is related to Prostate cancer, but he was just tested and was okay. It could be a sign that he's transforming to AML, but wouldn't his bloodwork reflect that?

hip pain - might be normal soreness
 

http://www.runnersworld.com/training...-beat-hip-pain

since you mentioned that this was following work in the yard, this quick video helps to sort out normal types of exercise induced hip soreness

bursitis can be relatively easy to deal with

if it's something related to his MDS, then maybe not so easy