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Related Concept Videos

Knee Joint01:23

Knee Joint

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The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
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Frustration occurs when people are obstructed or prevented from achieving a desired goal or fulfilling a perceived need. For example, when someone's input is ignored in a discussion, it can lead to feelings of frustration. Conflict, however, arises from opposing interests, goals, or actions. Conflicts can take various forms based on the nature of these opposing desires or goals.
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The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
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The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is...
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The Nativist Approach01:21

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The nativist approach to infant cognitive development proposes that infants are born with inherent knowledge structures that allow them to interpret the world almost immediately. This perspective contrasts with earlier developmental theories, such as those proposed by Jean Piaget, which emphasized a more gradual acquisition of cognitive abilities through interaction with the environment. One key concept in this approach is object permanence — the understanding that objects continue to...
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The Kaplan-Meier estimator is a non-parametric method used to estimate the survival function from time-to-event data. In medical research, it is frequently employed to measure the proportion of patients surviving for a certain period after treatment. This estimator is fundamental in analyzing time-to-event data, making it indispensable in clinical trials, epidemiological studies, and reliability engineering. By estimating survival probabilities, researchers can evaluate treatment effectiveness,...
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Characterizing Salmonella Typhimurium-induced Septic Peritonitis in Mice
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Septic knee: multimodality approach.

Aline Serfaty1, Elena Drakonaki2,3, Tatiane Cantarelli Rodrigues4,5,6

  • 1Medscanlagos Radiology, Cabo Frio, Rio de Janeiro, Brazil. alineserfaty@gmail.com.

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|February 2, 2026
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Summary
This summary is machine-generated.

Diagnosing septic arthritis of the knee is challenging due to overlapping symptoms. A multimodal imaging approach is crucial for accurate and timely diagnosis of this acute joint infection.

Keywords:
CTKnee infectionMRINuclear medicineSeptic arthritis

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Area of Science:

  • Orthopedics
  • Infectious Diseases
  • Radiology

Background:

  • Septic arthritis of the knee is a severe infection potentially causing rapid cartilage destruction.
  • Early diagnosis is complicated by nonspecific symptoms and overlapping conditions like crystal arthropathies.
  • Synovial fluid analysis is key, but imaging is vital for comprehensive assessment and complication detection.

Purpose of the Study:

  • To review the role of various imaging modalities in diagnosing knee septic arthritis.
  • To highlight the importance of a stepwise, multimodality imaging strategy.
  • To discuss emerging imaging technologies for improved accuracy.

Main Methods:

  • Review of current literature on imaging techniques for septic arthritis of the knee.
  • Discussion of radiography, ultrasound, CT, MRI, and nuclear medicine studies.
  • Emphasis on a stepwise, multimodality approach.

Main Results:

  • Ultrasound is sensitive for effusion and guides aspiration.
  • CT is useful for cortical bone and deep soft tissue evaluation.
  • MRI provides comprehensive early assessment, including bone marrow edema and occult abscesses.
  • Nuclear medicine aids in complex cases and therapy monitoring.

Conclusions:

  • A stepwise, multimodality imaging strategy improves diagnostic confidence and guides intervention for knee septic arthritis.
  • Advances in imaging, including radiomics and hybrid imaging, show promise for enhanced accuracy.
  • Prompt diagnosis and treatment are essential to prevent joint destruction.