Observational Study
Copyright ©The Author(s) 2016.
World J Clin Oncol. Oct 10, 2016; 7(5): 414-419
Published online Oct 10, 2016. doi: 10.5306/wjco.v7.i5.414
Table 1 Clinical features of 8 patients with sciatic notch dumbbell tumors
CaseAge/sexMcCormick scaleHistologyPatient delay (mo)Physician delay (mo)
141/FIISolitary fibrous tumor267
212/FIUPS124
327/FIIINeurinoma203
436/FIICarcinosarcoma21
581/MIVOsteosarcoma52
615/FIVUPS21
735/FIIEwing's sarcoma152
838/MIIIMPNST121
Table 2 Summary of chief complaints and physical examination findings in patients with sciatic notch dumbbell tumors
SNDT (n = 8)
Sciatica8
Pain at rest7
Back pain0
Palpable mass in the buttock3
Buttock tenderness7
Motor weakness4
Sensory loss testing6
Positive SLRT6
Table 3 Radiological features of 8 patients with sciatic notch dumbbell tumors
ModalitiesDescriptionsValue
X-rayBone destruction2
Matrix mineralization1
MRITumor size (cm)8.4 ± 2.0 (range, 3.9 to 10.6)
Indistinguishable tumor boundary5
Connection of the sciatic nerve3
Mass on lumbar MRI sagittal image2
CTOsteolytic bone destruction5
Tumor calcification1
Enlargement of sciatic foramen4