Isolated Tear Of Posterolateral Bundle Of Anterior Cruciate Ligament
1Department of Radiology, Dallah Hospital, Riyadh, Saudi Arabia.
Journal of Ayub Medical College, Abbottabad : JAMC
|November 23, 2018
Summary
Diagnosing isolated posterolateral bundle tears of the anterior cruciate ligament (ACL) can be challenging with MRI. Specific "Gap" and "Footprint" signs on knee MRI are highly indicative of these difficult-to-detect injuries.
Area of Science:
- Orthopedic imaging
- Musculoskeletal radiology
- Sports medicine imaging
Background:
- Anterior cruciate ligament (ACL) injuries are common findings in MRI reports.
- Standard MRI assessment identifies most ACL tears.
- Isolated tears of specific ACL bundles, particularly the posterolateral bundle, are frequently overlooked.
Observation:
- A case study involving a young male patient with an isolated posterolateral ACL bundle tear is presented.
- The patient presented with specific MRI findings.
- The "Gap" and "Footprint" signs were observed on the knee joint MRI.
Findings:
- The "Gap" and "Footprint" signs on MRI are highly specific indicators of an isolated posterolateral ACL bundle tear.
- These signs aid in the diagnosis of injuries that are difficult to detect with conventional MRI evaluation.
- The case highlights the utility of these specific signs in identifying subtle ACL pathology.
Implications:
- Improved diagnostic accuracy for posterolateral ACL bundle tears using MRI.
- Enhanced identification of subtle knee joint injuries.
- Potential to guide more precise treatment strategies for ACL injuries.
More Related Videos
Related Concept Videos
01:26Muscles of the Anterior Neck
4.8K
The anterior neck muscles are the group of muscles covering the front part of the neck. These muscles are classified into three subgroups. The first one is the superficial muscles, the most visible muscles in the front of the neck. It includes the platysma and sternocleidomastoid. The second group is the suprahyoid muscles, located above the hyoid bone. This group comprises the digastric, mylohyoid, geniohyoid, and stylohyoid. Lastly, the infrahyoid muscles are found below the hyoid bone and...
4.8K
01:24DNA Isolation
45.1K
DNA isolation protocols can be fast and straightforward or complex and time-consuming depending on the type and quality of DNA required for further processing. For example, plasmid DNA extraction is a bit more complicated than genomic DNA extraction because of the need for an appropriate lysis method to separate plasmid DNA from gDNA during isolation. However, for specific applications, such as long-range DNA sequencing that require a good yield of high- quality DNA samples, we need to follow...
45.1K
01:34DNA Isolation
199.5K
DNA from cells is required for many biotechnology and research applications, such as molecular cloning. To remove and purify DNA from cells, researchers use various methods of DNA extraction. While the specifics of different protocols may vary, some general concepts underlie the process of DNA extraction.
199.5K
01:20Overview Of Cell Separation And Isolation
7.6K
Cell separation was first achieved in 1964 by S. H. Seal, who separated large tumor cells from the smaller blood cells using filtration. Two years later, Pohl and Hawk performed experiments on how cells respond differently to a nonuniform electric field based on the cell type. Such observations were the inception of cell separation methods, which allow isolating a single cell type from a heterogeneous sample.
7.6K
01:19Cyclic Processes And Isolated Systems
3.5K
A thermodynamic system with zero heat exchange and work is an isolated system. For these systems, the internal energy remains constant.
In the case of a non-isolated system, the change in the internal energy is zero only if the process is cyclic. A thermodynamic process is considered cyclic if the system undergoes a series of changes and returns to its initial state.
Consider a cyclic process that returns to its initial state, undergoing a four-step process. The heat transfer along each...
In the case of a non-isolated system, the change in the internal energy is zero only if the process is cyclic. A thermodynamic process is considered cyclic if the system undergoes a series of changes and returns to its initial state.
Consider a cyclic process that returns to its initial state, undergoing a four-step process. The heat transfer along each...
3.5K
01:24Techniques for Isolation of Pure Cultures
2.4K
Microorganisms are routinely cultured in the laboratory using various techniques to isolate, grow, and quantify them for further study. These methods rely on inoculating microorganisms into a suitable growth medium under aseptic conditions to prevent contamination. Depending on the objective, inoculation can involve direct transfer or the use of diluted bacterial suspensions as the inoculum.Streak-Plate Method for IsolationThe streak-plate method is a common technique for obtaining pure...
2.4K