72. Hẹp ống sống
Disc bulge, facet hypertrophy and flaval ligament thickening
frequently combine to cause central spinal stenosis
Note the trefoil shape of stenotic spinal canal
79. Thoát vị đĩa đệm
• 85-95%: L4-L5, L5-S1
• 5-8%: L3-L4
• 2%: L2-L3
• 1%: L1-L2, T12-L1
• Cột sống cổ: C4-C7
• Cột sống ngực: 15%
80. Adapted from: “Nomenclature and Classification of Lumbar Disc Pathology: Recommendations of the Combined Task Forces of the
North American Spine Society, American Society of Spine Radiology, and American Society of Neuroradiology,” 2001.
81. Adapted from: “Nomenclature and Classification of Lumbar Disc Pathology: Recommendations of the Combined Task Forces of the
North American Spine Society, American Society of Spine Radiology, and American Society of Neuroradiology,” 2001.
82. Adapted from: “Nomenclature and Classification of Lumbar Disc Pathology: Recommendations of the Combined Task Forces of the
North American Spine Society, American Society of Spine Radiology, and American Society of Neuroradiology,” 2001.
83. Adapted from: “Nomenclature and Classification of Lumbar Disc Pathology: Recommendations of the Combined Task Forces of the
North American Spine Society, American Society of Spine Radiology, and American Society of Neuroradiology,” 2001.
84. Adapted from: “Nomenclature and Classification of Lumbar Disc Pathology: Recommendations of the Combined Task Forces of the
North American Spine Society, American Society of Spine Radiology, and American Society of Neuroradiology,” 2001.
89. Abnormal Disc
Bulge
Symmetric Asymmetric
Herniation
Broad-based Focal
Extrusion Protrusion
Sequestered Migrated Neither
> 180º< 180º
< 90º90º–180º
No waistWaist*
Adapted from: “Nomenclature and Classification of Lumbar Disc Pathology: Recommendations of the Combined Task Forces of the
North American Spine Society, American Society of Spine Radiology, and American Society of Neuroradiology,” 2001.
*(In any plane)
108. • Ngoài màng cứng
• Trong màng cứng ngoài tủy
• Tủy sống
Phân loại
109. • Thoát vị đĩa đệm
• Bướu máu
• Di căn
• Tụ máu, áp xe ngoài màng cứng
• Nang hoạt dịch
• U bao thần kinh
– Neurofibroma
– Schwannoma
Tổn thương ngoài màng cứng
110. • U bao thần kinh
– Neurofibroma
– Schwannoma
• U màng tủy
• Di căn
Trong màng cứng ngoài tủy
142. T1 + C
Spinal TB (Pott’s Disease)
• Prominent bone destruction
• More indolent onset than pyogenic
• Gibbus deformity
• Involvement of several VB’s
143. Spinal TB (Pott’s Disease)
• Prominent bone destruction
• More indolent onset than pyogenic
• Gibbus deformity
• Involvement of several VB’s