Terminology, Etiology, and Incidence of Upper Limb Amputation

Question 1

The primary cause of amputation are:

Answer 1

• congenital deficiency
• cancer
• trauma
• loss of vascularization

Question 2

For purposes of classification, transradial (or “below elbow”) amputations are generally considered in three lengths: long, short, and very short and the wrist disarticulation. Partial hand and elbow disarticulation are separate classifications as is transhumeral (or “above elbow”).

Answer 2

True

Question 3

Transhumeral amputation is divided into three different classes. Class I transhumeral amputation is an elbow disarticulation that includes the condylar flares. Class II amputation is a long transhumeral amputation, between the deltoid insertion and the epicondylar flares of the humerus. Class III amputation is an amputation in which the humerus, including its head, has been removed.

Answer 3

False

Question 4

The interscapulothoracic amputation includes:

Answer 4

The removal of the entire arm, clavicle, and scapula.

Question 5

There are four primary causes of amputation according to Dillingham et al. With vascular etiology as the greatest cause of amputation, followed by cancer.

Answer 5

False