1. Tentorial dural arteriovenous fistulae are rare clinically.

2. The hematoma lay between the dural and the brain.

3. The treatment dural arteriovenous fistula are still controversial now.

4. OBJECT: The repair of dural defects is controversial in contemporary neurosurgery.

5. The differential diagnosis for dural plasmacytoma includes metastasis, lymphoma, dural sarcoma, plasma cell granuloma and meningioma.

6. Conclusion . Dural ossification is a common finding in OLF.

7. Whatever the explanation , the dural tail sign remains a helpful sign at least suggestive of meningioma.

8. No obvious post - dural puncture headache ( PDPH ), cerebrospinal fluid leakage or neurologic sequelae were among thepatients.

9. Dural repairs were done through an intradural approach via single frontal craniotomy.

10. Key words: dural tear, degeneratie lumbar surgery, repair, reoperation, complication.

11. AP dural sac diameter on axial and midsagittal images showed a similar tendency.

12. The most common cause is dural pathology, in which a cavity lesion is associated with a small bleeding source such as a telangiectasia.

13. The dural is the fin tissue covering the inside of the skull.

14. Dural puncture is the common accident and complication of epidural anesthesia, of which the common symptom is headache besides higher blocked level than expected and even spinal anesthesia.

15. Results The nerve roots within the lumbar dural sac were arranged loosely with the sacral and coccygeal nerve roots to form the cauda equina.

16. The pattern of dural ossification , if present, was noted. The intraoperative and postoperative complications were recorded.

17. Conclusion The free nerve endings in the dural root sheaths especially those in the DRG sheath are thought to play an important role in cervical radicular pain.

18. The article reviews the recent development in clinical manifestation, the patterns of venous drainage, the anatomic basis, pathogenesis and treatment options of tentorial dural arteriovenous fistulae.

19. Conclusion Homogeneous enhancement, visibility of the pituitary gland, the dural tail sign and compression of the carotid artery are the characteristics of the intrasellar meningioma.

20. Chapter 55 - What Is the Optimal Management of Post - Dural Puncture Headache?

21. To investigate the effect of body position and axial load of the lumbar spine on disc height, lumbar lordosis , and dural sac cross-sectional area.

22. Objective To summarize the treatment of standard large trauma craniotomy and multiple dural fenestrations cerebral contusion of contrecoup lesion frontotemporal.

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23. Key words: lumbar spinal morphology, spinal stenosis, positional MRI, axial load, dural sac cross - sectional area.

24. Methods 100 cases of severe cranial brain lesion use step decompression operative method and after rid up of bone flap , dural and temporal muscle facial flap decompression suture of dural incision .

25. Objective To explore the angiographic appearances of the hemodynamic change of spinal dural arteriovenous fistulae ( SDAVF ) .

26. Objective To find out the distribution of nerve endings in the dural sheath of cervical nerve roots and to study the mechanism of cervical radicular pain.

27. Dural plasmacytomas are uncommon plasma cell tumors that should be considered in patients with a dural mass and history of plasma cell dyscrasia.

28. Objective To discuss eliminating hydrops by the suspension between dural and muscles of neck during close - skull.

29. The superior wall of cavernous sinus was formed by two layers : superficial dural layer and layer.

30. Objectives. To describe a rare case of traumatic lumbar disc rupture into the dural sac associated with a mild vertebral body compression fracture and review the pertinent medical literature.

31. Objective To explore the diagnosis and treatment of sacral spinal dural arteriovenous fistula ( SDAVF ).

32. Objective. To investigate the effect of body position and axial load of the lumbar spine on disc height, lumbar lordosis , and dural sac cross-sectional area (DCSA).

33. Depending on the postures, the mean dural sac cross - sectional area and AP dural sac diameter changed.

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34. Conclusion. We report a rare case of traumatic lumbar disc rupture into the dural sac associated with a mild vertebral body compression fracture.

35. The LOA sign is possibly related to a tight dural sac, which causes separation between the posterior dural sac and subjacent lamina in the neutral position.

36. Objective To evaluate diagnose and treatment of dural arteriovenous fistula in anterior cranial fossa.

37. Summary of Background Data. Correct intraoperative localization of intradural spinal tumors as well as tailored dural opening is essential in surgery and can be demanding in some instances.

38. Methods The dorsal roots of the lumbar nerves in 15 cadavers were dissected and measured by gross anatomy to examine the relationship between the roots and dural sac.

39. Purpose:To evaluate the efficacy and safety of endovascular therapy in intracranial dural arteriovenous fistulas supplied with external carotid arteries(ecaDAVFs).

40. ObjectiveTo discuss the intervention therapy of dural venous sinus thrombosis ( DVST ).

41. Relative to the group a contusion injury aa dural allograft had decreased cavitation and scar formation.