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Walk the Even Hospital Database by book and chapter — the raw source passages that ground Ask, DDx, and the rest.
2 passages
Inflammatory arthritis Family history of inflammatory spondylitis Chronic pain Morning stiffness Sacroiliac joint tenderness (eg, positive FABERE test) Erosion or sclerosis at anterior vertebral corners Vertebral squaring Tumors Osteoid osteoma Second decade of life Nocturnal pain Prompt relief with NSAIDs May be associated with scoliosis Osteoid nidus with or without calcification (osteoid nidus may be obscured by dense sclerosis) Sclerosis of posterior elements Malignant tumors (eg, leukemia, lymphoma, Ewing sarcoma, etc.) Nighttime pain Constant pain (unchanged by activity) Pain <3 months duration Systemic symptoms (eg, fever, weight loss) Bony destruction Subtle signs of space-occupying lesion (separation or thinning of the pedicles) SPECT scan: single photon emission computed tomography scan; MRI: magnetic resonance imaging; PA: posteroanterior; FABERE:
E xtension of the opposite hip (also called the figure-of-four test) (see text for details); NSAIDS: nonsteroidal antiinflammatory drugs. * See text for details. • Ochronosis: exogenously deposited or medication-induced pigmentation of the connective tissue.