What is the diagnosis
occipitilization
What follow up should be followed w/ occipitilization?
flexion/extension to assess ADI
Is this a T1 or T2 or Spin Density image?
T1
What is the likely etiology of the curve based on both radiographs?
neurofibromatosis
What is the diagnosis?
Syrinx &Chiari malformation
Can the cerebellar tonsils below the foramen magnum be normal?
less than 3mm = normal variant
What is the diagnosis?
Left “wrongway” thoracic curve
What is the follow up needed if any?
neurology exam
Is there any additional imaging needed?
MRI with neurological symptoms in adults
Consider MRI in all children
What is the diagnosis?
Ponticulus Posticis
What anatomy is outlined by the rectangle and what anatomy is the arrow pointing to?
The articular pillars of the cervical spine that are imbricated or overlapped
The spinous process of C-6
What is the diagnosis?
Os odontoideum
What is the diagnosis?
posterior translation of C1
What are the differential diagnosis for posterior translation of C1?
- Long post arch
- Fx posterior arch
- Fx odontoid
- Os odontoideum
Molding and hypertrophy of the anterior tubercle
What is the name of the posterior vertebral body line
georges line
What is the name of the blue line?
spinolaminar line
What condition is this?
Surgical arthrodesis
What condition is this?
congenital synostosis
What is the diagnosis, and how do we know?
Nonunion of the C1 posterior arch
–absent spinolaminar line
What is the diagnosis and what does it mean?
Prostate calcification
–prostate enlargement
What roengenometric is this?
Boehler’s angle
What pathology is this?
Klippel feil syndrome
What is the clinical triad associated w/ this condition?
Short webbed neck
Low hairline
Reduced cervical motion
What diagnosis is this?
Non union of C1 post arch
What diagnosis is this?
omovertebral bone
What is the diagnosis?
Bilateral transverse process hyperplasia at C-7
What is the diagnosis?
rudimentary ribs at L1
What is the diagnosis?
butterfly vertebrae
What is the radiographic finding?
What is the diagnosis?
schmorl’s node
Degenerative Disc Disease
What is the diagnosis?
Os terminale
What is the diagnosis?
limbus bone
What is the diagnosis?
spina bifida oculta
What is the diagnosis?
Spina bifida oculta
“Knife clasp syndrome”
What roengenometric is this?
Ferguson’s angle
What’s a normal Ferguson angle?
26-57*
What imaging study is this?
conventional arthrography
What imaging study is this?
CT arthrography
What is the diagnosis?
Incomplete lumbarization of S-1 with a unilateral accessory articulation with the sacral ala
What is the diagnosis?
13 rib bearing segments
What is the diagnosis?
Lumbar scoliosis
What is the roentgenometric?
cervical lordosis
What is the normal cervical lordosis?
35-45*
What is the anomally?
nuclear impression
What is the diagnosis?
iliolumbar ligament calcification
facet asymmetry
What is the diagnosis?
facet tropism L5/S1
What is the diagnosis?
un-united secondary growth centers
What is the diagnosis?
Os acetabuli
What is the diagnosis?
Oppenheimers ossicle
What is the radiographic sign and diagnosis?
1 eyed pedicle sign
–congenitally absent pedicle
What is the diagnosis?
Hahn’s groove
What is the diagnosis?
congenital hip dysplasia
What is the diagnosis?
Putti’s triad
What is the diagnosis?
Positive ulnar variance
What is the roentgenometric?
–What is the normal range?
acetabular angle
–12-29*
What is the diagnosis?
acetabular protrusion
What 3 pathologies are associated w/ acetabular protrussion?
Pagets
Fibrous dysplasia
osteomalacia
What is the diagnosis?
paraglenoid sulcus
What is the diagnosis?
carpal coalition
What is the diagnosis?
negative ulnar variation
What are the upper limits for the RPI and the RTI?
Retropharyngeal space
(C2) < 7mm
Retrotracheal space (C6)
< 22m
What is the anomally?
hemivertebrae
What is the diagnosis?
supracondylar process
What is the diagnosis?
bipartite patella
What is the roentgenometric?
martins basilar angle
What is the diagnosis?
fabella
What imaging study is this?
Axial Lumbar CT with Contrast
What’s the diagnosis?
growth arrest lines
What is the diagnosis?
Os intermetatarseum
What is the diagnosis?
stylohyoid ossification
What is the diagnosis?
costal cartilage calcification
What is the diagnosis?
Falx cerebri calcification
What is the diagnosis?
pineal calcification
What is the diagnosis?
phleboliths
What is the diagnosis?
mesenteric lymphnode calcification
What is the roentgenometrics?
klines line
What is the diagnosis?
lymph node calcification
What anatomical variant is this?
petroclinoid “ligament” calcification
What is the diagnosis?
carotid artery calcification
What is the name of this roentgenometric?
cobb’s method
What is the diagnosis?
os peroneum
What is the diagnosis?
pectus excavatum
What is the diagnosis?
block vertebrae
Is this T1, T2 or Spin Density weighted image?
T2
What is the diagnosis?
os trigonum
What is the rule to determine a progressive curvature change?
5 degrees or more in any 3 month time or less is progressive
What is the roentgenometric?
chamberlain’s line
What roentgenometric is this?
McGreggor’s Line
What roentgenometric is this and diagnosis?
axial “overhang” sign
–C1 fracture
What roentgenometric is this?
shenton’s line
What is the diagnosis?
agenesis of C1 post arch
What diagnosis is this?
os tibiale externum