RADIOLOGY SHOULDER, ELBOW, AND WRIST

IDENTIFY THE VIEW

• AP

• PA

• AP-O

• A

Answer explanation

The most common views are posteroanterior, anteroposterior, and lateral. In a posteroanterior (PA) view, the x-ray source is positioned so that the x-ray beam enters through the posterior (back) aspect of the chest and exits out of the anterior (front) aspect, where the beam is detected.

IDENTIFY THE VIEW

• AP

• AL

• PA

• P

Age where ossification of clavicle, scapular body, and humeral shaft begins

• 7th to 8th week fetal life

• 7-8 months

• 7-8th weeks neonate

• 7 years old

Age of ossification center for proximal humeral head

• 36 weeks fetal life

• 5 weeks old

• 12 months old

• 7 years old

The bone development, the greater and lesser tuberosity appears at the age of______

• 3-5 weeks of fetal life

• 3-5 weeks old

• 3-5 months

• 3-5 years old

The following are indication for routine radiologic examination of the shoulder

• Trauma

• Metabolic changes

• Systemic Disease

• Nutritional Issues

• Neoplasm

Aly was referred to radiology for an xray of the shoulder the following are the correct position

• AP view in IR

• PA view in IR

• AP view in ER

• AP view IR

This view is taken in the true AP anatomic position, which places the shoulder and arm in external rotation.

• AP ER

• AP IR

• AP FLEXION

• AP-O

Answer explanation

It demonstrates the proximal third of the humerus, the lateral two- thirds of the clavicle, the acromioclavicular joint, and the upper and lateral portion of the scapula.

The average width of the glenohumeral joint can be observed by drawing lines across the joint surfaces and the average distance is __________

• 10mm

• 5mm

• 5cm

• 10cm

Answer explanation

-Distances greater than 5mm can be suggestive of joint effusion, acromegaly or posterior humeral dislocation.

- Distances narrower than 5mm can suggest degenerative joint disease or rheumatoid arthritis.

Minimal widening of the acromioclavicular joint space with the coracoclavicular distance still within normal range: AC ligaments are sprained.

• Gr 1 sprain

• Gr 2 sprain

• Gr 3 sprain

• NOTA