You need to insist on a CBC. It is negligence by the doctors if not done already. The MRI is the expensive and time consuming test.
Leukemia can cause intense hip pain as the marrow inside the hip produces more cells than the hip cavity can hold, and the resulting internal pressure causes the pain. I could barely walk when I was diagnosed because the hip pain was so bad.
Does he also have pain on his left side under his rib cage (spleen)?
