Babeh Edi

Forearm Lat

Indications for imaging Trauma*, metastases, bone pain. (*Monteggia's fracture, fracture of the ulna with dislocation of the head of the radius.) Anatomy  Demonstrated Lt Forearm Lateral Anatomy Meschan, I. 1955 An Atlas of Normal Radiographic Anatomy Saunders, London Basic Patient Position The patient sits alongside the end of the table with the affected elbow flexed at 90 degrees and the hand rotated externally into the true lateral position, the table top should be raised to the level of the lower border of the axilla so the whole arm is supported and parallel to the cassette. The hand may need to be supported on a small pad to bring to superimpose the humeral epicondyles. Rt Forearm Lateral Patient Position Meschan, I. 1955 An Atlas of Normal Radiographic Anatomy Saunders, London Radiation protection Direct lead rubber gonad protection using a "half apron". Ensure the lower limbs and torso are not below the table top in the primary beam. Central Ray The vertical central ray is positioned midway between the medial and lateral skin surfaces midway between the wrist and elbow joints. Exposure Factors Kv mAS FFD (cm) Grid Focus AEC Cassette 65 6 100 No Fine No 24 x 30 cm Evaluation of the Image ID and markers must be present and correct in the appropriate area of the film Evidence of collimation on four sides equally around the centering point. Limits of the examination, superiorly the elbow joint, inferiorly the wrist joint laterally the skin margins. The elbow should be projected in true lateral position with 90 flexion, the wrist should be projected in true lateral position with the distal ends of radius and ulna superimposed Exposure should demonstrate bone detail in the whole length of the forearm, and the soft tissue detail must be visible. Normal Forearm Left Lateral Anatomy (from) http://www.vh.org/Providers/TeachingFiles/NormalRadAnatomy/Images/ Related Projections Forearm AP AP elbow and wrist Lateral elbow and wrist Additional modalities RNI for metastases.