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RISS 인기검색어
- 검색키워드
- 저자 : Yadhu K Lokanath (검색결과 2 건)
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Synovial Chondromatosis of Dorsal Spine: Case Report of Rare Pathological Entity and Review
Raviraj S. Ghorpade,Yadhu K. Lokanath 대한척추신경외과학회 2016 Neurospine Vol.13 No.4
Synovial chondromatosis is an uncommon benign condition of metaplastic and focal formation of cartilage in the intimal layer of synovial membrane of joints with extremely low risk of malignant potential. Disease process is typically monoarticular predominantly involving large joints and spinal involvement being a very rare event. We report 31-year-old male patient who presented with history of low backache, left lower limb pain, difficulty in micturition since 8 months and difficulty in walking since 2 months .Magnetic resonance imaging of spine revealed D10-11 extradural lesion arising from left facet joint. Lesion was excised completely by posterior approach with resolution of symptoms. Literature reveals fourteen cases of spinal variant of synovial chondromatosis which has been published and this report represents the fifteenth case.
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Akaworn Mahatthanatrakul,Vit Kotheeranurak,Guang-Xun Lin,Jung-Woo Hur,Ho-Jung Chung,Yadhu K Lokanath,Boonserm Pakdeenit,Jin-Sung Kim 대한신경외과학회 2022 Journal of Korean neurosurgical society Vol.65 No.1
Objective : Oblique lumbar interbody fusion (OLIF) is a surgical technique that utilizes a large interbody cage to indirectly decompress neural elements. The position of the cage relative to the vertebral body could affect the degree of foraminal decompression. Previous studies determined the position of the cage using plain radiographs, with conflicting results regarding the influence of the position of the cage to the degree of neural foramen decompression. Because of the cage obliquity, computed tomography (CT) has better accuracy than plain radiograph for the measurement of the obliquely inserted cage. The objective of this study is to find the correlation between the position of the OLIF cage with the degree of indirect decompression of foraminal stenosis using CT and magnetic resonance imaging (MRI). Methods : We review imaging of 46 patients who underwent OLIF from L2-L5 for 68 levels. Segmental lordosis (SL) was measured in a plain radiograph. The positions of the cage were measured in CT. Spinal canal cross-sectional area (SCSA), and foraminal crosssectional area (FSCA) measurements using MRI were taken into consideration. Results : Patients’ mean age was 69.7 years. SL increases 3.0±5.1 degrees. Significant increases in SCSA (33.3%), FCSA (43.7% on the left and 45.0% on the right foramen) were found (p<0.001). Multiple linear regression analysis shows putting the cage in the more posterior position correlated with more increase of FSCA and decreases SL correction. The position of the cage does not affect the degree of the central spinal canal decompression. Obliquity of the cage does not result in different degrees of foraminal decompression between right and left side neural foramen. Conclusion : Cage position near the posterior part of the vertebral body increases the decompression effect of the neural foramen while putting the cage in the more anterior position correlated with increases SL.
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