| *H&P: Chronic low back pain in young men that is worse in the morning and improves throughout the day, associated with HLA-B27 serotype | | *H&P: Chronic low back pain in young men that is worse in the morning and improves throughout the day, associated with HLA-B27 serotype |
− | *Dx: Elevated CRP, X-rays of SI joint (earliest radiographic finding), "bamboo spine", squaring of lumbar vertebrae, kyphosis, ascending fusion of spinal column. Associated with apical pulmonary fibrosis (ILD), uveitis, aortitis, psoriasis, IBD | + | *Dx: X-rays of SI joint (earliest radiographic finding), "bamboo spine", squaring of lumbar vertebrae, kyphosis, ascending fusion of spinal column. Associated with apical pulmonary fibrosis (ILD), uveitis, aortitis, psoriasis, IBD |