DISH + OPLL Flashcards
What is DISH
Ossification of ant longitudinal lig, annulus fibrosis and adjacent soft tissues
Where is DISH located usually, age, gender
Predominantly lower T/S
Middle aged to elderly
M>W
Radiographic features of DISH (how many segs u need) (4)
Thick flowing hyperostosis
-At least 4 continous segs!
Can calcify the sup 1/3 sacroiliac jt
Enthesophytes
What are enthesophytes
Calcification of a tendon attachment (associated w DISH)
Why does thoracic spine DISH and DDD target right side of body
Left side has aorta which limits growth and ossification of ligs on left side
What symptom will sometimes show with cervical DISH
dysphagia
Complications of DISH
- Dysphagia
- Stiff neck
- OPLL
What is found in 40-50% of DISH patients
OPLL
What disease causes increased risk of DISH
diabetes Mellitus
OPLL- gender, ethnicity
M>W
associated with dish but can be isolated entitu
–Jap/east asian pops
How many segments for OPLL
no min number needed