12- Ankylosing Spondylitis

Question 1

What is some general info of ankylosing Spondylitis
pg25 reader
1032- txt

Answer 1

• chronic inflammatory disorder, predominately affecting younger adult males which distinctively involve the axial skeleton.
• articular ankylosis (s a stiffness of a joint due to abnormal adhesion and rigidity of the bones of the joint)
• ligament ossification,
• enthesopathy characterise the condition (A disease process occurring at the site of insertion of muscle tendons and ligaments into bones or joint capsules.)
• eitology unknown

Question 2

What are the clinical features of Ankylosing Spondylitis?

Question 3

what are the radiographic features of AS in the sacroiliac joint.
pg 1036 txt

Answer 3

• bilateral and symmetric joint involvement
• osteoporosis
• thinning iliac cartilage, especially in lower 2/3 of the joint.
• More severe on iliac side due to less cartilage than sacrum (3x less)

Question 4

What are the radiographic features of the Discovertebral Joints when they have ankylosing spondylitis
1039
25-reader

Question 5

radiographic features of the Apophyseal Joints with AS on pg 26
and 1042

Question 6

Radiographic features of AS in the Cervical Spine
pg
1042
26

Question 7

Radiographic Features of the Hip with AS

Answer 7

• Uniform loss of joint space, axial migration leading to protrusio
• Small osteophytes
• Subchondral cysts
• Eventual ankylosis
• Enthesophytes - trochanters, ischial tuberosity

Question 8

What are the complications of AS pg

1044