Diagnostic Accuracy of Triphasic Bone Scan and SPECT/CT in Foot and Ankle Osteoarthritis
Diagnostic Accuracy of Triphasic Bone Scan and SPECT/CT for the Evaluation of Foot and Ankle Osteoarthritis Using MRI as Reference Standard
研究概览
详细说明
Osteoarthritis of the foot and ankle is a significant cause of chronic pain and functional impairment. Conventional radiography has limited sensitivity for early changes, while magnetic resonance imaging (MRI) is considered the reference standard for evaluating cartilage, bone marrow edema, and soft tissue structures.
Nuclear medicine techniques provide functional information about bone metabolism. Triphasic bone scan using technetium-99m methylene diphosphonate (99mTc-MDP) assesses perfusion, blood pool, and delayed skeletal uptake. However, planar imaging has limited spatial resolution and anatomical localization in the complex anatomy of the foot and ankle.
Hybrid SPECT/CT combines the functional data of SPECT with the precise anatomical localization of CT, improving diagnostic confidence and specificity. This study will evaluate the diagnostic accuracy of triphasic bone scan and SPECT/CT compared with MRI in patients with suspected foot and ankle osteoarthritis.
研究类型
注册 (估计的)
联系人和位置
学习联系方式
- 姓名：Amira A Ebraheem, resident
- 电话号码：01212838177 01212838177
- 邮箱：aaabbb10121999@gmail.com
研究联系人备份
- 姓名：Mohamed A Mekawy, prof
- 电话号码：01223196777 01223196777
- 邮箱：M_mekkay51@yahoo.com
参与标准
资格标准
适合学习的年龄
- 成人
- 年长者
接受健康志愿者
取样方法
研究人群
描述
Inclusion Criteria:
Age ≥ 18 years
- Patients presenting with chronic foot and/or ankle pain suspected to be due to osteoarthritis
- Clinical and/or radiographic suspicion of foot or ankle osteoarthritis
Exclusion Criteria:
- Age < 18 years
- Previous surgery or joint replacement of the affected foot or ankle
- Bone tumors or metastatic bone disease
- Active osteomyelitis or septic arthritis
- Inflammatory arthropathies (e.g., rheumatoid arthritis, psoriatic arthritis, gout)
学习计划
研究是如何设计的？
设计细节
研究衡量的是什么？
主要结果指标
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Diagnostic accuracy of triphasic bone scan and SPECT/CT
大体时间：Baseline
|
Sensitivity, specificity, positive predictive value, and negative predictive value of triphasic bone scintigraphy and SPECT/CT for detecting foot and ankle osteoarthritis, using MRI as the reference standard.
|
Baseline
|
次要结果测量
结果测量 |
措施说明 |
大体时间 |
|---|---|---|
|
Identification of affected joints
大体时间：Baseline
|
Determination of the specific joints affected by osteoarthritis in the foot and ankle based on SPECT/CT and MRI findings.
|
Baseline
|
合作者和调查者
调查人员
- 学习椅：Mohamed A Mekawy, prof、assiut
出版物和有用的链接
一般刊物
- Freeman LM, Donald Blaufox M. Seminars in Nuclear Medicine March 2019. Semin Nucl Med. 2019 Mar;49(2):83-84. doi: 10.1053/j.semnuclmed.2018.11.003. Epub 2018 Dec 6. No abstract available.
- Expert Panel on Musculoskeletal Imaging; Tafur M, Bencardino JT, Roberts CC, Appel M, Bell AM, Gyftopoulos S, Metter DF, Mintz DN, Morrison WB, Small KMS, Subhas N, Weissman BN, Yu JS, Kransdorf MJ. ACR Appropriateness Criteria(R) Chronic Foot Pain. J Am Coll Radiol. 2020 Nov;17(11S):S391-S402. doi: 10.1016/j.jacr.2020.09.015.
- van Hasselt AJ, de Vries AJ, de Zwart AD, Reininga IHF, Jutte PC, van Raaij TM. Diagnostic accuracy of 99mTc-HDP SPECT/CT and MRI for foot and ankle osteoarthritis (ProSPECT-trial): Study protocol. Foot Ankle Surg. 2025 Jul;31(5):443-447. doi: 10.1016/j.fas.2025.01.008. Epub 2025 Jan 19.
研究记录日期
研究主要日期
学习开始 (估计的)
初级完成 (估计的)
研究完成 (估计的)
研究注册日期
首次提交
首先提交符合 QC 标准的
首次发布 (实际的)
研究记录更新
最后更新发布 (实际的)
上次提交的符合 QC 标准的更新
最后验证
更多信息
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