Fibrin gel therapy for sacral nerve root sheath cysts by lamina vertebra puncture under CT-guide / 中华骨科杂志

ABSTRACT

Objective To study the effect of fibrin gel delivered with CT g ui ded trans-laminar injection on sacral nerve root sheath cysts. Methods From Apri l 1998 to February 2001, thirty-eight cases of sacral nerve root sheath cysts we re treated by fibrin gel injection. The location of cysts consisted of 12 L5 S1, 15 S1,2, 11 S2,3. All the fibrin gel was delivered by CT guided trans-laminar i njection. Results Thirty-eight cases were followed up for 3 to 37 months (averag e 9 months). Most of the patients obtained lower back and sacral pain and sacral nerve symptom alleviation. No infection, nerve injury, recurrence and cerebrosp inal fluid(CSF) leaking occurred. According to the critia of the clinic symptom releasing and the radiographic signs, there were 17 cases (44.7%) rated as excel lent, 18 (47.4%) good and 3 (7.9%) fair, the excellent and good rate was 92.1%. Conclusion CT-guided trans-laminar fibrin gel injection is an effective economic al and mini-invasive way to treat sacral nerve root sheath cysts.