A Supplemental Technique for Preoperative Evaluation of Giant Intracranial Aneurysm.
Abstract
[BACKGROUND] Preoperative planning mainly relies on digital subtraction angiography (DSA) and computed tomography angiography. However, neither technique can reveal thrombi in giant intracranial aneurysms (GIAs). In this study, we aimed to reconstruct the circulating and noncirculating parts of GIAs with the time-of-flight (TOF) and motion-sensitized driven-equilibrium (MSDE) sequences with 3D Slicer to reveal an integrated presentation of GIAs, compare its accuracy, and validate the usefulness for preoperative planning.
[MATERIAL AND METHODS] Patients with GIAs who were treated with microsurgery in our department were included in this study. Both the TOF and MSDE sequence data for each patient were loaded into 3D Slicer for reconstruction and segmentation. The parameters measured by 3D Slicer were compared with those measured by DSA.
[RESULTS] The mean diameter for all GIAs was 28.7 ± 1.5 mm (range, 25.9-31.9 mm). The mean diameter for all GIAs measured by DSA and 3D Slicer was 24.46 ± 5.25 and 28.66 ± 1.48 mm, respectively ( = 4.948, < 0.01). When only the nonthrombotic GIAs were included, the mean diameter measured by DSA and 3D Slicer was 28.69 ± 2.03 and 28.97 ± 1.79 mm, respectively ( = 1.023, = 0.323). The mean aneurysmal volume was 8,292.6 ± 1,175.1 mm and the mean thrombotic volume was 3,590.0 ± 1,003.7 mm.
[CONCLUSION] The MSDE sequence brings diagnostic benefits as a comparison to other MRI sequences. Reconstruction of GIAs with 3D Slicer is a low-cost, dependable, and useful supplemental technique for surgical planning.
[MATERIAL AND METHODS] Patients with GIAs who were treated with microsurgery in our department were included in this study. Both the TOF and MSDE sequence data for each patient were loaded into 3D Slicer for reconstruction and segmentation. The parameters measured by 3D Slicer were compared with those measured by DSA.
[RESULTS] The mean diameter for all GIAs was 28.7 ± 1.5 mm (range, 25.9-31.9 mm). The mean diameter for all GIAs measured by DSA and 3D Slicer was 24.46 ± 5.25 and 28.66 ± 1.48 mm, respectively ( = 4.948, < 0.01). When only the nonthrombotic GIAs were included, the mean diameter measured by DSA and 3D Slicer was 28.69 ± 2.03 and 28.97 ± 1.79 mm, respectively ( = 1.023, = 0.323). The mean aneurysmal volume was 8,292.6 ± 1,175.1 mm and the mean thrombotic volume was 3,590.0 ± 1,003.7 mm.
[CONCLUSION] The MSDE sequence brings diagnostic benefits as a comparison to other MRI sequences. Reconstruction of GIAs with 3D Slicer is a low-cost, dependable, and useful supplemental technique for surgical planning.
추출된 의학 개체 (NER)
| 유형 | 영어 표현 | 한국어 / 풀이 | UMLS CUI | 출처 | 등장 |
|---|---|---|---|---|---|
| 시술 | microsurgery
|
미세수술 | dict | 1 | |
| 해부 | noncirculating
|
scispacy | 1 | ||
| 합병증 | intracranial
|
scispacy | 1 | ||
| 합병증 | thrombotic
|
scispacy | 1 | ||
| 약물 | driven-equilibrium
|
scispacy | 1 | ||
| 약물 | TOF
→ time-of-flight
|
C2348791
Time-of-Flight
|
scispacy | 1 | |
| 약물 | [BACKGROUND]
|
scispacy | 1 | ||
| 약물 | [MATERIAL AND
|
scispacy | 1 | ||
| 약물 | DSA
→ digital subtraction angiography
|
scispacy | 1 | ||
| 약물 | [RESULTS
|
scispacy | 1 | ||
| 질환 | Intracranial Aneurysm
|
C0007766
Intracranial Aneurysm
|
scispacy | 1 | |
| 질환 | thrombi
|
C0087086
Thrombus
|
scispacy | 1 | |
| 질환 | intracranial aneurysms
|
C0007766
Intracranial Aneurysm
|
scispacy | 1 | |
| 질환 | TOF
→ time-of-flight
|
C2348791
Time-of-Flight
|
scispacy | 1 | |
| 질환 | aneurysmal
|
C0439651
Aneurysmal
|
scispacy | 1 | |
| 질환 | thrombotic
|
C0087086
Thrombus
|
scispacy | 1 | |
| 기타 | Patients
|
scispacy | 1 | ||
| 기타 | patient
|
scispacy | 1 |
MeSH Terms
Angiography, Digital Subtraction; Cerebral Angiography; Humans; Imaging, Three-Dimensional; Intracranial Aneurysm; Magnetic Resonance Angiography; Microsurgery; Sensitivity and Specificity; Tomography, X-Ray Computed
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