Analysis of the clinical diagnosis effect of MRI combined with multi-slice spiral CT in the occult fracture of lower limbs

doi:10.3877/cma.j.issn.2096-0263.2022.04.004

Abstract

Abstract:

Objective

To investigate the clinical value of magnetic resonance imaging (MRI) combined with multi-slice spiral CT in the diagnosis of occult fracture of lower limbs.

Methods

From October 2016 to October 2018, 324 patients with X-ray examination negative and diagnosed as occult fracture in our hospital were selected. The detection of lower limb occult fracture by MRI, multi-slice spiral CT and their combined diagnosis methods were compared, and the image of diagnostic methods was observed to evaluate the diagnostic efficiency.

Results

All 300 patients completed MRI and MSCT three-dimensional imaging examination. 246 fractures were detected by MRI, 378 fractures by MSCT, and 402 fractures were detected by MRI combined with MSCT. The three diagnostic methods did not have significant statistical significance in the diagnosis of 8 types of fractures. The sensitivity and accuracy of combined diagnosis of failure fracture and fatigue fracture were significantly higher than that of MSCT, and the sensitivity of MRI diagnosis of fatigue fracture was significantly higher than that of MSCT. The sensitivity and accuracy of combined diagnosis of recessive traumatic fracture and recessive intraosseous fracture were significantly higher than those of MSCT, and the sensitivity of combined diagnosis of recessive traumatic fracture was significantly higher than that of MRI. The sensitivity of MRI was significantly higher than that of MSCT.

Conclusion

MRI combined with multi-slice spiral CT has a higher diagnostic efficiency for the occult fracture of lower limbs, which can provide reference for the formulation of follow-up treatment plan.

Key words: Diagnostic efficacy, Magnetic resonance imaging, MSCT, Occult fracture

Yunguang Li, Liang Xiong, Feng Ao. Analysis of the clinical diagnosis effect of MRI combined with multi-slice spiral CT in the occult fracture of lower limbs[J]. Chinese Journal of Geriatric Orthopaedics and Rehabilitation(Electronic Edition), 2022, 08(04): 211-216.

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References 21

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类型	病例数	类型	病例数
男性	204/68.00	疲劳骨折	68/22.67
女性	96/32.00	衰竭骨折	52/17.33
年龄/岁	45.95±6.24	隐匿创伤骨折	72/24.00
病程/天	7.2±0.8	隐匿骨内骨折	108/36.00
韧带损失	66/22.00	交通事故	198/66.00
半月板软骨损伤	120/40.00	重物砸伤	48/16.00
骨髓水肿	126/42.00	跌落伤	30/10.00
关节面软骨水肿和破损	138/46.00	高空坠物	18/6.00
关节腔液	234/78.00	不明原因	3/1.00

类型	病例数	类型	病例数
男性	204/68.00	疲劳骨折	68/22.67
女性	96/32.00	衰竭骨折	52/17.33
年龄/岁	45.95±6.24	隐匿创伤骨折	72/24.00
病程/天	7.2±0.8	隐匿骨内骨折	108/36.00
韧带损失	66/22.00	交通事故	198/66.00
半月板软骨损伤	120/40.00	重物砸伤	48/16.00
骨髓水肿	126/42.00	跌落伤	30/10.00
关节面软骨水肿和破损	138/46.00	高空坠物	18/6.00
关节腔液	234/78.00	不明原因	3/1.00

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