&lt;I&gt;Occult Intrasacral Meningocele with Tethered Cord&lt;/I&gt;

Doi, Hiroshi; Toyoda, Izumi; Matsumoto, Kiyoshi; Imai, Satoshi; Sekimizu, Masayuki

doi:10.2176/nmc.35.321

Cited by 17 publications

(24 citation statements)

References 9 publications

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“…Both T 1 -and T 2 -weighted MR imaging show a cystic lesion as isointense to cerebrospinal fluid. 2,3,5,6,8,11,13,14) In our patients, MR imaging of the lumbosacral region revealed dilated cystic lesion in the sacral spinal canal.…”

Section: Discussionsupporting

confidence: 46%

“…Association with tethered cord syndrome as a result of thick filum terminale has been reported. 2,14) Intrasacral extradural cysts were encountered at a higher rate in females than in males.…”

Section: Discussionmentioning

confidence: 99%

“…2,3,6,11,13,14) The first surgical intervention was performed in 1944. 4,5,11,12,14) The description and pathogenesis of intrasacral extradural arachnoid cysts are still controversial, but the origin may be congenital.…”

Section: Introductionmentioning

confidence: 99%

“…4,5,11,12,14) The description and pathogenesis of intrasacral extradural arachnoid cysts are still controversial, but the origin may be congenital. 2,3,5,6,11,13) However, the term meningocele is used to describe herniation of the meninx from a spina bifida or cranium bifidum defect, but the term intrasacral meningocele does not describe a true meningocele. 2,3,8,11,14) Some 50 cases have been reported in the literature.…”

Section: Introductionmentioning

confidence: 99%

“…2,3,5,6,11,13) However, the term meningocele is used to describe herniation of the meninx from a spina bifida or cranium bifidum defect, but the term intrasacral meningocele does not describe a true meningocele. 2,3,8,11,14) Some 50 cases have been reported in the literature. 1,4,17) Intrasacral extradural arachnoid cysts usually manifest in the third or fourth decade of life as low back pain with or without radiculopathy.…”

Section: Introductionmentioning

confidence: 99%

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Intrasacral Extradural Arachnoid Cysts -Three Case Reports-

Hamamcıoğlu

Hiçdönmez

Kılınçer

et al. 2008

Neurol. Med. Chir.(Tokyo)

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Three patients presented with rare intrasacral extradural arachnoid cysts manifesting as sensory deficiencies and pain in the lower extremities. Magnetic resonance imaging with various sequences identified the cysts. Two patients underwent surgery via laminectomy of the sacrum for cyst exploration and disconnection of the cyst with the dural theca. Postoperative outcome was favorable in these two patients. Intrasacral extradural arachnoid cyst should be considered in the differential diagnosis of low back pain.

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Section: Discussionsupporting

confidence: 46%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Intrasacral Extradural Arachnoid Cysts -Three Case Reports-

Hamamcıoğlu

Hiçdönmez

Kılınçer

et al. 2008

Neurol. Med. Chir.(Tokyo)

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Giant intrasacral meningocele: a case report

et al. 2013

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A peculiar case of intrasacral meningocele and spinal cord tethering is reported. Contents of the intrasacral meningocele and importance of CSF flow analyses with MRI are discussed. Demonstration of CSF flow from the thecal sac to meningocele in the CSF flow MR imaging may be helpful for determining the possibility of meningocele growth. In this report, we have presented the determination of CSF flow as a new surgical indication in this type of cases.

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Sacral extradural arachnoid cyst: a rare cause of low back and perineal pain

Muthukumar

2001

Eur Spine J

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IntroductionSacral extradural arachnoid cysts are rare. When present, they produce low back pain and pain in the perineal region, which is aggravated by Valsalva maneuvers and relieved by lying down. A high index of suspicion is required to diagnose this condition. To date, 41 cases have been reported in the English language literature (Table 1). Case reportA 25-year-old man presented with a 2-year history of pain over the low back and perineal region, which had become severe 1 month prior to admission. The pain was aggravated by standing, walking and straining, and was relieved partially by lying down in the prone position. The patient also complained of numbness of both lower limbs on prolonged standing or walking, which was relieved by lying down. There was no other positive history. Examination revealed normal higher functions and cranial nerves. The patient had weakness of the extensor hallucis longus on both sides, left more than right. There was also tenderness over the upper sacral region. Bladder, bowel and sexual functions were normal. There were no other focal neurological deficits. Plain radiographs of the lumbosacral region revealed a suspicious bony erosion in the midsacral region. Magnetic resonance imaging (MRI) revealed a cystic lesion opposite the second and third sacral segments, which was isointense to cerebrospinal fluid (CSF) on T1-and T2-weighted images (Fig. 1). There was evidence of communication of the cyst with the caudal end of the thecal sac. There was no communication with the pelvis. Scalloping of the sacrum was evident. At surgery, laminectomy of S1-S4 was done, and a large, thin-walled bluish cystic mass containing CSF was encountered, which was opened. The cystic mass was found to be communicating with the thecal sac through a defect in the theca. The fistulous communication was obliterated and the defect in the theca was closed with purse-string sutures. Postoperatively, the patient noted marked relief of pain and did not have numbness while standing and walking. Two years following surgery, the patient was neurologically normal without any deficits. DiscussionThe term "occult sacral meningocele" was first introduced by Enderle in 1932 [19]. It has come to mean a sac composed of fibrous tissue resembling dura mater that is usually lined by arachnoid, lies within an enlarged sacral spinal canal, and is attached to the distal termiAbstract Sacral extradural arachnoid cysts are rare. The clinical and radiological features of this condition are characteristic. One such rare case with low back and perineal pain is presented and the literature is reviewed. This patient presented with pain in the low back and perineal region, which was aggravated by standing, walking and straining. The patient also had numbness in both lower limbs, precipitated by standing and walking. Both the symptoms were relieved by lying down. Magnetic resonance imaging (MRI) revealed a sacral extradural arachnoid cyst. Sacral laminectomy with opening of the arachnoid cyst and ligation of the fistulous tract was ...

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<I>Occult Intrasacral Meningocele with Tethered Cord</I>

Cited by 17 publications

References 9 publications

Intrasacral Extradural Arachnoid Cysts -Three Case Reports-

Intrasacral Extradural Arachnoid Cysts -Three Case Reports-

Giant intrasacral meningocele: a case report

Sacral extradural arachnoid cyst: a rare cause of low back and perineal pain

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