Spine

Question 1

DDx of periodontoid pseudotumor (8)

Answer 1

Cant find reference for this answer…

CPPD
rheumatoid arthritis
osteoarthritis
OPLL
osteomyelitis
mass (meningioma, chordoma, osteoblastoma, metastases, synovial cyst)
calcific retropharyngeal tendinitis
os odontoidium