Ch 11 - Joints general

Question 1

In which % of cats is present the mineralisation of the supinator sesamoid?
a.30%
b. 20%
c. 10%
d. 40%

Answer 1

d. 40%

Question 2

In which % of dogs is present the mineralisation of the supinator sesamoid?
a. 30%
b. 20%
c. 10%
d. 40%

Answer 2

a. 30%

Question 3

What is FLASE about the sesamoid bones?
a. Small osseous bodies that may be formed in tendons or ligamentous tissue when it passes over osseous structures with greatest friction
b. In dogs the clavicle is not a remnant structure, and therefore is not considered a sesamoid bone
c. Sesamoid bones are not always visible radiographically.
d. Absence of mineralization of the medial fabella and popliteal sesamoid is more prevalent in domestic cats than in pedigree cats

Answer 3

b. In dogs the clavicle is not a remnant structure, and therefore is not considered a sesamoid bone. False, in cats

To know more:
Mineralization of the popliteal sesamoid is variable in dogs and cats

Question 4

Which is the most common cause of soft tissue swelling around, and of joints?
a. Synovial effusion
b. Synovial hypertrophy
c. joint capsule thickening
d. juxta-articular soft tissues inflammation

Answer 4

a. Synovial effusion

Question 5

Normal or abnormal?
What do the * primarily represent?

Answer 5

• meniscus
  Black arrow –> scant fluid.

Question 6

Which of the below options is not a cause of joint reduced width?
a.The primary beam not being centred properly (artefactual)
b. Cartilage attrition
c. Muscle contracture.
d. Joint laxity

Answer 6

Joint laxity

Question 7

which of the following are causes of uneven margins of the subchondral bone?
a. Osteochondrosis/OCD
b. Sepsis
c. Avascular necrosis
d. Immune-mediated joint disease.
e. All of the above

Answer 7

e. All of the above

Question 8

Which of the following are commonly observed pelvic limb calcifying tendinopathies? (2 correct)
a. Gluteus muscle insertion
b. Iliopsoas muscle insertion
c. Common calcaneal tendon
d. Biceps femoris

Answer 8

a and c.

Question 9

Which of the options belows is the most common synovial tumour?
a. Histiocytic sarcoma
b. Fibrosarcoma
c. Chondrosarcoma
d. Synovial mysxoma
e. Synovial cell sarcoma

Answer 9

e.

Question 10

Which is the early change related with joint infection?
a. periosteal proliferation
b. Subchondral bone erosion
c. articular soft tissue swelling
d. secondary osteomyelitis

Answer 10

c. articular soft tissue swelling

to know more:
Subchondral bone erosion is
the first stage of secondary osteomyelitis, which can
become extensive as infection spreads from the joint into

Question 11

What is FALSE about hypervitaminosis A?
a. Cervical vertebral column, shoulder and elbow joints are the most affected
b. Can affect cats in any age
c. Consist in ankylosing spondylopathy and periarticular enthesopathy
d. Changes become radiological visible after 10 days

Answer 11

d. Changes become radiological visible after 10 days.
10 WEEKS (2 months and a half).