DI Exam 2 part 1 (DISH)

Disc degeneration

What is relatively common and may occur in up to 6% of routine abdominal radiographs in adults?

Ankylosing

What is the term for fusion?

T spine

What spine is disc calcification hardest to see?

Disc calcification

What is the red

Ankylosing hyperostosis

What is the most descriptive aka for DISH?

diffuse idiopathic skeletal hyperostosis

What does DISH stand for?

T

T/f: Forestier's disease is also known as diffuse idiopathic skeletal hyperostosis (DISH),

• Ossification of the anterior longitudinal ligament over at

least 4 contiguous vertebrae

• (Early) Preservation of the intervertebral disc space

• (Early) Preservation of the facet joint

• Absence of sacroiliac joint erosions, sclerosis, or bony fusion

What is the Resnick and NIwayama criteria?

enthesopathy

Ankylosing hyperostosis is characterized by what?

• Middle and lower thoracic spine

• Upper lumbar spine

• Lower cervical spine

What part of the spine Most commonly involves the anterior longitudinal ligament (ALL)?

Degenerative arthritis

Where have we seen enthesopathies?

Calcification of the posterior vertebral line

Looks like fracture, not actually

What is the blue?

What is the red?

Anything that is close to the spinal cord

What areas of the spine are most concerning when a patient has a pathology?

DISH

What is the blue arrow pointing at?

Sclerosis of the posterior vertebral line

What is the pink?

DISH (mid body to mid body)

What is in the red?

CT

What has the best image of cortical bone?

DISH (mid body to mid body)

What is the arrow pointing at?

Mid body

Where does the ALL attach to the vertebrae?

DISH (mid body flow of the anterior vertebral line)

What is wrong with this image?

Calcification of ALL or DISH

What is the pathology?

Early

Many people with AH/DISH experience no symptoms, especially in the _______ stages.

50

Men

AH/DISH is most commonly observed in older adults, typically occurring after the age of ____. It is more prevalent in what gender?

shoulders, hips, knees, and heels

AH/DISH can also involve the tendons and ligaments of other joints, what are some other joint areas?

anterior and lateral

Decrease, more stiffness

AH/DISH is the spine, where it causes the formation of osteophytes along the ____ and ____ aspects of the vertebrae.

What does this do to movement?

Regular exercise can also help improve mobility and reduce discomfort. In some cases, surgery

What is the tx for AH/DISH?

spinal fractures, difficulty swallowing, and breathing problems (cervical spine involvement)

What are some complications of AH/DISH?

Healthy lifestyle and balanced diet

What type of lifestyles can defend against DISH?

Idiopathic

What is the exact cause of DISH?

Diabetes

What other condition is often associated with AH/DISH?

75, 15, 10

DISH presents:

__% cervical

__% thoracic

___% lumbar

T

T/f: AH is higher in East Asian populations (2.4%) compared to Caucasians (0.2-0.7%

DISH

Japanese Disease is another name for what?

DISH/AH

What is this image showing?

Ossification of the PLL

Laminectomy

What is the pink?

What happened to there spinous processes?

Ossification of PLL

What is the blue?

Can cause cord stenosis

What is so dangerous of OPLL (ossification of PLL)?

AH

OPLL

What is the green?

What is the blue?

OPLL

What will cause the cord herniation

Cervical

What part of the spine is OPLL mc in?

OALL (if OALL is present, always check PLL)

OPLL

What is the blue?

What is the pink?

16, 14, 13, 12, 12, 12

What is the lateral sagittal canal size for each cervical

Back of dens to spinolamina line

How do you measure the lateral sagittal canal size of c1?