脊柱的 CT 诊断 Diagnosis of Spine
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脊柱的 CT 诊断 Diagnosis of Spine. 侯 键 [email protected] 第一节 检查方法. 1. SURVIEW 2. SCAN ANGLE 3. SLICE WIDTH 4. WINDOW TECHNIQUE 5. TARGET TECHNIQUE 6. OBLIQUE 7. ANGIOGRAPHY & C OMPUTED T OMOGRAPHIC M YELOGRAPHY -CTM. 扫描定位图象 SURVIEW. SCAN ANGLE 扫描角度. 第一节 检查方法. - PowerPoint PPT Presentation
Transcript of 脊柱的 CT 诊断 Diagnosis of Spine
CTDiagnosis of Spine [email protected]
1. SURVIEW2. SCAN ANGLE3. SLICE WIDTH4. WINDOW TECHNIQUE5. TARGET TECHNIQUE6. OBLIQUE7. ANGIOGRAPHY & COMPUTED TOMOGRAPHIC MYELOGRAPHY -CTM
SURVIEWSCAN ANGLE
2(SCAN ANGLE)standard model
3CT(SCAN WIDTH)(slice width)(increment)
4WINDOW TECHNIQUEC1 75 -CENTERW1 250 -WINDOW
5(TARGET TECHNIQUE)
6(OBLIQUE)-(RECONSTRUCTION)
7:(Contrast)CTM(Computed Tomographic Myelography)
CTM
CTM
CT
C4C7
C-L:3-5mm15mm
CT1234 CT80-120Hu56
THE LATERAL RECESSA small, lateral bony excavation can be seen on the vertebral body, especially near the last three lumbar segments. The nerve root passes through the lateral recess before it enters the intervertebral foramen from a point below the root of the arch.The width of the recess :larger than 5 mmIt is assumed to be constricted at widths of 3 mm or less.
ligamentum flavumthe superior articular process
AP:C:11mm,L:12mm1.Bone window2.Lumbar sliceLumbar canal
