Spondylolisthesis — Wiltse Classification
Wiltse etiologic types: I dysplastic, II isthmic (IIA lytic, IIB elongated pars, IIC acute pars), III degenerative, IV traumatic (other than pars), V pathologic, VI iatrogenic. Meyerding grades I–V (25% increments) quantify slip; slip angle and pelvic incidence inform reduction strategy. Adult degenerative L4–5 listhesis: decompression with fusion when instability/foraminal stenosis present. High‑grade isthmic L5–S1 in adolescents may need reduction and circumferential fusion; monitor for L5 neu...
Practised by MCQ
10What is the primary aetiology of Type I spondylolisthesis according to the Wiltse classification?
mcqIn which age group is Type II isthmic spondylolisthesis most commonly observed?
mcqWhich subtype of Type II isthmic spondylolisthesis is characterized by a fatigue stress fracture of the pars i...
mcqWhat is the most common level for degenerative spondylolisthesis?
mcqWhich grade of Meyerding classification indicates a slip of 51-75%?
mcqWhich type of spondylolisthesis is most likely to require surgical management?
mcqWhat is the primary nonoperative management strategy for low-grade spondylolisthesis without neurologic compro...
mcqIn the context of spondylolisthesis, what does 'spondyloptosis' refer to?
mcqWhich classification type is associated with acute fractures of the pars interarticularis?
mcqIn terms of pelvic incidence, what is its relevance in managing high-grade spondylolisthesis?