Limits...
Clear-cell meningioma: CT and MR imaging findings in two cases involving the spinal canal and cerebellopontine angle.

Yu KB, Lim MK, Kim HJ, Suh CH, Park HC, Kim EY, Han HS - Korean J Radiol (2002 Apr-Jun)

Bottom Line: Clear-cell meningioma is a rare subtype of meningioma which occurs at a younger age and has a higher recurrence rate than other subtypes.We report two cases of clear-cell meningioma, one in the thoracolumbar spinal canal and the other in the cerebellopontine angle.Though the CT and MR imaging findings were not different from those of ordinary meningioma, after surgical removal the condition recurred repeatedly in the patient with spinal canal involvement.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiology, Inha University Hospital, Incheon, Korea.

ABSTRACT
Clear-cell meningioma is a rare subtype of meningioma which occurs at a younger age and has a higher recurrence rate than other subtypes. We report two cases of clear-cell meningioma, one in the thoracolumbar spinal canal and the other in the cerebellopontine angle. Though the CT and MR imaging findings were not different from those of ordinary meningioma, after surgical removal the condition recurred repeatedly in the patient with spinal canal involvement.

Show MeSH

Related in: MedlinePlus

Clear-cell meningioma in a 14-month-old girl.A, B. Initial T1- and T2-weighted sagittal MR images of the thoracolumbar spine reveal the presence of a well-demarcated, ovoid mass (arrows) in the intradural extramedullary spinal canal at the level of T12-L2. The mass is isointense to the spinal cord on both T1- and T2-weighted images.C. Initial contrast-enhanced T1-weighted sagittal MR image shows strong, homogeneous enhancement.D. T2-weighted sagittal MR image obtained eight months later shows a recurrent isointense signal of the intradural mass (arrows) at the site of initial surgery.E. Contrast-enhanced T1-weighted sagittal MR image obtained after a further interval of seven months depicts a recurrent well-enhanced intradural mass at the site of previous surgery.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
getmorefigures.php?uid=PMC2713835&req=5

Figure 1: Clear-cell meningioma in a 14-month-old girl.A, B. Initial T1- and T2-weighted sagittal MR images of the thoracolumbar spine reveal the presence of a well-demarcated, ovoid mass (arrows) in the intradural extramedullary spinal canal at the level of T12-L2. The mass is isointense to the spinal cord on both T1- and T2-weighted images.C. Initial contrast-enhanced T1-weighted sagittal MR image shows strong, homogeneous enhancement.D. T2-weighted sagittal MR image obtained eight months later shows a recurrent isointense signal of the intradural mass (arrows) at the site of initial surgery.E. Contrast-enhanced T1-weighted sagittal MR image obtained after a further interval of seven months depicts a recurrent well-enhanced intradural mass at the site of previous surgery.

Mentions: A 14-month-old girl presented with a 3-month history of bilateral leg weakness and poor micturition. MR imaging of the thoracolumbar spine demonstrated a 4cm-sized, well-demarcated, ovoid mass located in the intradural extramedullary spinal canal at the level of T12 L2. Both T1- and T2-weighted images showed that the mass was isointense to the spinal cord and contrast enhancement was strong and homogeneous (Figs. 1A-C). Intradural exposure through lumbar laminectomy of T11 L2 disclosed a yellowishpink, well-encapsulated, partly nodular elliptical mass adherent to the dura on the right side. Gross total resection was performed.


Clear-cell meningioma: CT and MR imaging findings in two cases involving the spinal canal and cerebellopontine angle.

Yu KB, Lim MK, Kim HJ, Suh CH, Park HC, Kim EY, Han HS - Korean J Radiol (2002 Apr-Jun)

Clear-cell meningioma in a 14-month-old girl.A, B. Initial T1- and T2-weighted sagittal MR images of the thoracolumbar spine reveal the presence of a well-demarcated, ovoid mass (arrows) in the intradural extramedullary spinal canal at the level of T12-L2. The mass is isointense to the spinal cord on both T1- and T2-weighted images.C. Initial contrast-enhanced T1-weighted sagittal MR image shows strong, homogeneous enhancement.D. T2-weighted sagittal MR image obtained eight months later shows a recurrent isointense signal of the intradural mass (arrows) at the site of initial surgery.E. Contrast-enhanced T1-weighted sagittal MR image obtained after a further interval of seven months depicts a recurrent well-enhanced intradural mass at the site of previous surgery.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2713835&req=5

Figure 1: Clear-cell meningioma in a 14-month-old girl.A, B. Initial T1- and T2-weighted sagittal MR images of the thoracolumbar spine reveal the presence of a well-demarcated, ovoid mass (arrows) in the intradural extramedullary spinal canal at the level of T12-L2. The mass is isointense to the spinal cord on both T1- and T2-weighted images.C. Initial contrast-enhanced T1-weighted sagittal MR image shows strong, homogeneous enhancement.D. T2-weighted sagittal MR image obtained eight months later shows a recurrent isointense signal of the intradural mass (arrows) at the site of initial surgery.E. Contrast-enhanced T1-weighted sagittal MR image obtained after a further interval of seven months depicts a recurrent well-enhanced intradural mass at the site of previous surgery.
Mentions: A 14-month-old girl presented with a 3-month history of bilateral leg weakness and poor micturition. MR imaging of the thoracolumbar spine demonstrated a 4cm-sized, well-demarcated, ovoid mass located in the intradural extramedullary spinal canal at the level of T12 L2. Both T1- and T2-weighted images showed that the mass was isointense to the spinal cord and contrast enhancement was strong and homogeneous (Figs. 1A-C). Intradural exposure through lumbar laminectomy of T11 L2 disclosed a yellowishpink, well-encapsulated, partly nodular elliptical mass adherent to the dura on the right side. Gross total resection was performed.

Bottom Line: Clear-cell meningioma is a rare subtype of meningioma which occurs at a younger age and has a higher recurrence rate than other subtypes.We report two cases of clear-cell meningioma, one in the thoracolumbar spinal canal and the other in the cerebellopontine angle.Though the CT and MR imaging findings were not different from those of ordinary meningioma, after surgical removal the condition recurred repeatedly in the patient with spinal canal involvement.

View Article: PubMed Central - PubMed

Affiliation: Department of Radiology, Inha University Hospital, Incheon, Korea.

ABSTRACT
Clear-cell meningioma is a rare subtype of meningioma which occurs at a younger age and has a higher recurrence rate than other subtypes. We report two cases of clear-cell meningioma, one in the thoracolumbar spinal canal and the other in the cerebellopontine angle. Though the CT and MR imaging findings were not different from those of ordinary meningioma, after surgical removal the condition recurred repeatedly in the patient with spinal canal involvement.

Show MeSH
Related in: MedlinePlus