1. Objective To explore MRI features of spinal arachnoid cysts.

2. Arachnoid ligaments fixed nerve root inside dura.

3. An arachnoid membrane is your best ally.

4. This sonogram shows an arachnoid cyst.

5. Intracystic hemorrhage of pre - existing arachnoid cyst with hematoma was found on CT and MRI of brain.

6. Arachnoid cysts are the most common type of cysts found on the brain surface.

7. Intracranial arachnoid cysts are believed to be congenital; they can become symptomatic in pediatric patients.

8. Arachnoid cysts filled with fluid, but they are usually not connected to the subarachnoid space.

9. Objective To investigate relationship between vestibular schwannoma and arachnoid membrane and to improve preservation of nerve function.

10. Methods Anatomic observation on arachnoid membrane in internal auditory canal in cadaver and operative observation on relationship among tumor, arachnoid membrane and nerve.

11. Results On MRI, extradural arachnoid cyst was demonstrated in 4, sacral arachnoid cyst in 42, extradural arachnoid neurilemma cyst in 10 and spinal subdural arachnoid cyst in 3 cases.

12. Most arachnoid cysts are supratentorial, in the middle cranial fossa.

13. Since there is always an arachnoid membrane around the acoustic tumor, the tumor can be removed completely without any damage to the brain tissues.

14. Methods: Performing microscopic technique to seperate the thick arachnoid membrane with partial resection and did the unilateral or bilateral pedicular omental transposition to the brain.

15. Conclusion The impression of arachnoid granulation in occipital bone has characteristic features of CT.

16. Branchlets with sparse woolly tomentum ; abaxial veins of leaves with white hairs and with sparse arachnoid tomentum .

17. Hypovitaminosis A causes hydrocephalus by altering CSF resorption at the arachnoid granulations .

18. Real space filled with cerebrospinal fluid located between the pia mater and the arachnoid membrane.

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19. Brain computed tomography revealed a huge chronic subdural hematoma over the left frontoparietal lobe, with an incidental finding of an arachnoid cyst over the left sylvian fissure.

20. Objective : To investigate the surgical indication and operative technique of intracranial arachnoid cysts.

21. Objective : To evaluate the diagnosis and treatment of arachnoid cyst in the sacral canal.

22. The tumors were diagnosed by postoperative pathological analysis including 6 ependymomas, 1 astrocytoma, 1 oligodendroglioma, 1 neurilemmoma, 1 arachnoid cyst.

23. Objective : To report diagnosis and treatment of 24 cases intracranial arachnoid cysts ( IAC ).

24. The nerve roots in epidural space segments were enwrapped in spinal pia mater, arachnoid and spinal dura mater, and the thickness of capsule gradually increased as layers grew.

25. Spontaneous CSF leakage from the tegmen tympani caused by an arachnoid cyst has not been reported in the literature.

26. Objective : To explore the clinical features and therapeutic regimen of intracranial arachnoid cyst ( IAC ) .

27. In order to prevent the reformation of subdural effusion, it is recommended that evacuation of the effusion should be followed by tearing the arachnoid membrane of ci...

28. The biscuit outside spinal cord has three-layer velamen, most outside for stiff backbone film, it is among arachnoid , surface of clingy spinal cord is lining soft backbone film.

29. Cancerous sex meningitis, leukaemia, traumatic, malignant tumor, Diabetic, bottom of congenital disease, skull is arachnoid adhesion all can cause double flank nerve paralytic.

30. Cerebral substance bleeding mainly showed as high sharp wave while arachnoid mater bleeding showed as high wave.