Arthritis:
Arthritis of the Extremities
A pattern approach to differential diagnosis by Michael L. Richardson of the University of Washington.

Arthritis of the Spine
Common arthritides of the spine - a pattern approach. Written by Michael L. Richardson of the University of Washington

Arthritis of the foot
Discussions and examples of the different arthritides by Amilcare Gentili of the UCLA Department of Radiological Sciences.

Tumors:
Overview of Bone Tumors
The bone tumor web site of the New Jersey Medical School classifies tumors by age, site, periosetal reactions, and type of matrix.

Bonetumors
Henry DeGroot of the Bonetumor Organization provides in-depth information about different types of bone tumors.

Fractures
Fractures of the Extremities and the Spine
The UCSF web site is one of few imaging web sites that provides both AP and lateral views of fractures. Choose from the top menu and note that the links within brackets link you to large, high-definition films.

Fractures and Fracture Mechanisms
Amilcare Gentili of the UCLA Department of Radiological Sciences shows examples of fractures by names or regions, and explains the fracture mechanisms.

Other
Imaging of hallux valgus
Imaging of amputations
Scoliosis
These are three more of the excellent imaging web sites of Michael L. Richardson of the University of Washington.

Ultrasound of Shoulder Lesions
This web site presents rotator cuff tears and other tendinopathies, trauma, post-operative conditions, and arthritis, frequently comparing diagnostic ultrasound with other imaging modalities. By Thomas C. Winter of the University of Washington

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