DXI exam 1 Study Guide with Complete
Solutions
McGregor's Line and abnormal measurement - Answer️️ -Basilar invagination if dens
is more than 4.5 mm above line
Chamberlains line and abnormal measurement - Answer️️ -basilar invagination if dens
is 3 mm above line
Macraes line normal me...
McGregor's Line and abnormal measurement - Answer✔️✔️-Basilar invagination if dens
is more than 4.5 mm above line
Chamberlains line and abnormal measurement - Answer✔️✔️-basilar invagination if dens
is 3 mm above line
Macraes line normal measurement - Answer✔️✔️-basilar invagination, dens normally 5
mm below this line
What is Georges line? - Answer✔️✔️-curvalinear line following the posterior bodies. tests
for spondylolithesis and ligament integrity
spinolaminar line - Answer✔️✔️-the joining of the lamina and spinous process. A line
down these junctions
Sella turcica measurement - Answer✔️✔️-16mm width by 12mm tall
What is the upper limit for the ADI for an adult? a child? - Answer✔️✔️-3mm
5mm
What is the saggital dimension of the spinal column at c1? C2? C3 and down? -
Answer✔️✔️-16mm
14mm
12mm
(any smaller and there can be problems)
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