measurements Flashcards
ADI children/adults
children: 1-5mm
adults: 1-3 mm
ADI children/adults
children: 1-5mm
adults: 1-3 mm
mcgregor’s line normal
M: 8mm
F: 10mm
chamberlain’s/palato-occip line normal
dens should lie below
abn: >3mm
method of jochumsen - CS lordosis normal range
1-9mm
method of gore CS lordosis normal
no parameters
depth of CS lordosis WNL range
7-17mm
angle of C curve WNL range
35-45%
george’s line WNL
smooth continuous w/o interrup
sagittal diameter of CS vert canal - lateral minimum diameter is ___, and it is greatest at ___
12mm
C1
eisenstein’s method best to assess stenosis in sagital canal ABNORMAL
posterior C line/spinolaminar jxn line normal
smooth contin w/o interrup
atlantoaxial alignment normal finding
lat margins of c1 should align vertically w/ lat corner of axis
retroPHARYNG interspace is at ___ and should not exceed ___ mm
c2
6mm
cobb’s angle **preferred
___* : no tx
___: brace
___ surgery
50*
thoracic kyphosis normal rangers M/F
F: 27-42*
M: 26-41*
three facial plane lines
iliopsoas
glut med
obt intern
three facial plane lines
iliopsoas
glut med
obt intern
mcgregor’s line normal
M: 8mm
F: 10mm
chamberlain’s/palato-occip line normal
dens should lie below
abn: >3mm
method of jochumsen - CS lordosis normal range
1-9mm
method of gore CS lordosis normal
no parameters
depth of CS lordosis WNL range
7-17mm
angle of C curve WNL range
35-45%
george’s line WNL
smooth continuous w/o interrup
sagittal diameter of CS vert canal - lateral minimum diameter is ___, and it is greatest at ___
2mm
C1
eisenstein’s method best to assess stenosis in sagital canal ABNORMAL
posterior C line/spinolaminar jxn line normal
smooth contin w/o interrup
atlantoaxial alignment normal finding
lat margins of c1 should align vertically w/ lat corner of axis
retroPHARYNG interspace is at ___ and should not exceed ___ mm
c2
6mm
retroTRACHEAL interspace is at __ and should not exceed __ mm
c6
20mm
cobb’s angle **preferred
___* : no tx
___: brace
___ surgery
50
thoracic kyphosis normal rangers M/F
F: 27-42
M: 26-41
three facial plane lines
iliopsoas
glut med
obt intern
lumbosacral/sacral base angle WNL
26-57*
lumbosacral disc angle
10-15*
lumbar gravity line should intersect the
anterior 1/4 of sacrum
interpediculate distance - coronal dimension of spinal cord
21mm MIN L1-L4
23mm MIN L5
-increases down LS
presacral space WNL children/adult
1-5mm child
2-20mm adult
risser’s sign grade 1 indicates ___ and grade 5 indicates ___
prepuberty
end of growth
tear drop distance WNL
6-11mm
kohler’s line - abnormal indicates protrusio acetabuli - otherwise normally, the acetabular floor should be __ to the line
lateral
shenton’s line normal
smooth contin w/o interrup
femoral angle normal range is ____, less than that indicates ____ and more than that indicates ___
120-130*
coxa valgus
iliofemoral line should be:
smooth and contin w/o interrup
skinner’s line normal:
fovea capitis above/at level with line
klein’s line normal
femoral heads have symmetrical intersection
boehler’s angle WNL
28-40*
GHJ space normal range, sup/med/inf
4-5mm
AHJ space normal range
7-11mm
coracoclavicular space range
11-13mm
heel pad measurement is ___ with acromegaly
increased
ACJ space range
2-4mm
