Chondrocalcinosis
Medial transverse scan (Wrist)

Gout
MTP joint – Dorsal longitudinal scan (Foot)

Osteoarthritis
Anterior longitudinal scan (Hip)

Seronegative spondyloarthritis
Posterior longitudinal scan (Ankle)

Rheumatoid arthritis
Dorsal central transverse scan (Wrist)

Rheumatoid arthritis
Dorsal radial transverse scan (Wrist)

Gout
Suprapatellar recess - Longitudinal scan (Knee)

Seronegative spondyloarthritis
Posterior longitudinal scan (Ankle)

Psoriatic arthritis
Plantar fascia - Longitudinal scan (Foot)

Regional pain syndromes
Medial longitudinal scan (Wrist)