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Chapter 4 Forearm and Elbow Forearm • Bones • _________ • ________ • Joints • Wrist • Elbow • __________ • Distal • Proximal Radius • Distal Anatomy • _____________ • Ulnar Notch • Body Radius • Proximal Anatomy • Head • Neck • _____________ Ulna • Distal Anatomy • ____________ • Head • Body Ulna • Proximal Anatomy • Radial Notch • _____________ • Coronoid Tubercle • Trochlear Notch • _______________ Forearm Imaging • AP • Lateral • 40” SID • 60+ kV AP Forearm • Arm extended • Level with the table • Hand supinated • Humeral ____________to IR • CR to mid forearm • ____________ • Include wrist and elbow Lateral Forearm • __________________ • Level with the table • Rotate wrist into lateral • CR to mid forearm • Collimate • Include ____________ Elbow • Bones • Humerus • Distal • ________ • Proximal • __________ • Proximal Distal Humerus • Trochlea • ______________ • Medial • _____________ • Lateral • Epicondyles • Medial • Lateral Elbow Fossa • Anterior • ____________ • Coronoid Fossa • Posterior • ____________ Fat Pads • _______________pads of fat • Cushion between muscle and bone • Can indicate pathology • Wrist and Elbow Wrist Fat Pad • _____________ • PA and Oblique • Lateral to scaphoid and superior to radius • __________ • Lateral • Anterior to radius Elbow Fat Pads • Anterior • Lateral • Anterior to distal humerus • ______________ • Not seen on negative images. Seen on lateral on positive images • Within olecranon fossa • ____________ • Lateral • Anterior to radius Elbow Imaging • AP • Lateral • Internal Oblique • External Oblique • 40” SID • 65+ kV AP Elbow • Extend arm level with table • _______________ • Align epicondyles parallel with IR • CR to mid elbow • Collimate to skin Lateral Elbow • _______________ • Arm level with table • CR to mid elbow • Collimate • Epicondyles should be ____________ Internal Oblique • Start in AP • ______________ • Epicondyles 45˚ to IR • CR to mid elbow • Collimate to skin • _____________process seen in profile External Oblique • Start in AP • Externally rotate • Epicondyles 45˚ to IR • CR to mid elbow • Collimate to skin • _______________seen in profile
