影像学表现中引起坐骨神经痛的主要脊柱病因。腰椎间盘突出症 (a)、腰椎管狭窄症 (b)、脊椎滑脱 (e)、黄韧带钙化 (d)、滑膜囊肿 (e)、Tarlov 囊肿 (f)、硬膜外脓肿 (g)、脊柱肿瘤 (h)、硬膜内肿瘤 (i)、蛛网膜炎 (j)、硬膜外脂肪增多症 (k)、椎体骨折 (l)、椎体椎间盘炎 (m)、骨化性蛛网膜炎 (n)、脊髓栓系综合征 (o)、终室囊肿 (p) 以及椎管内索状坐骨神经痛（硬膜外 MALT 淋巴瘤）(q)。
Fig. 4.4 Main spinal etiologies of sciatica in imaging. Lumbar disk herniation (a), lumbar spinal stenosis (b), spondylolisthesis (e), ligamentum flavum calcification (d), synovial cyst (e), Tarlov cysts (f), epidural abscess (g), spinal tumor (h), intradural tumor (i), arachnoiditis (j), epidural lipomatosis (k), vertebral fracture (I), spondylodiscitis (m), arachnoiditis ossificans (n), tethered spinal cord syndrome (o), ventriculus terminalis (p), and intraspinal funicular sciatica (epidural MALT lymphoma) (q)