NURSING ANM AND GNM

NURSING EXAM QUESTIONS

PATHOLOGY AND GENETICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Posterior fat pads are always visible in a lateral image of the elbow and they are normal.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -An anterior fat pad is often normal. However a posterior fat pad seen on a lateral x-ray of the elbow is always abnormal. The patient will be unable to flex their elbow and requires orthopaedic input.

Detailed explanation-2: -The posterior fat pad sign is the visualization of a lucent crescent of fat located in the olecranon fossa on a true lateral view of an elbow joint with the elbow flexed at a right angle indicating an elbow joint effusion.

Detailed explanation-3: -Their location is anterior to the coronoid and radial fossae located on the distal anterior humerus. These fat pads are slightly more radiolucent than the adjacent muscle tissues, making them visible on a properly positioned 90° later-al radiograph of the elbow. They appear as a single radiolucent density.

Detailed explanation-4: -The anterior fat pad is located in the coronoid fossa. A narrow anterior fat pad is a normal finding on the lateral view. The anterior fat pad can be displaced up and out by fluid in the elbow joint, creating the “sail sign".

Detailed explanation-5: -Abstract. Background: An elevated posterior fat pad visible on a lateral radiograph of a child’s elbow following trauma is generally considered to be suggestive of an intracapsular fracture about the elbow.

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