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Related Concept Videos

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Cellular Injury II: Classification

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Cellular injury is any process that disrupts a cell’s ability to maintain homeostasis, leading to structural or functional changes. It is broadly classified based on etiology (cause) and mechanism of damage.Classification by EtiologyCellular injury may result from several causes. Hypoxic injury happens due to reduced oxygen delivery, most commonly from inadequate blood supply, such as arterial obstruction; for example, coronary artery thrombosis can cause myocardial infarction. Chemical...
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The connective tissues have different properties and functions in the human body. They are broadly categorized into proper, supporting, or fluid connective tissues.
Connective Tissue Proper
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Meniscal root tears: a classification system based on tear morphology.

Christopher M LaPrade1, Evan W James1, Tyler R Cram2

  • 1Steadman Philippon Research Institute, Vail, Colorado, USA.

The American Journal of Sports Medicine
|December 3, 2014
PubMed
Summary
This summary is machine-generated.

This study classifies meniscal root tear patterns observed during arthroscopy, aiding in understanding their impact on knee cartilage health and guiding treatment decisions for these common knee injuries.

Keywords:
classificationmeniscus rootmeniscus root tearradial tear

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Area of Science:

  • Orthopaedic Surgery
  • Knee Biomechanics
  • Sports Medicine

Background:

  • Meniscal root tears significantly impact knee articular cartilage health.
  • Existing research on meniscal root tears lacks a defined classification system for tear patterns.
  • Understanding tear morphology is crucial for effective treatment and patient outcomes.

Purpose of the Study:

  • To develop a classification system for meniscal root tears based on arthroscopic observations.
  • To categorize distinct meniscal root tear patterns and their morphologies.
  • To investigate the correlation between tear pattern recognition and treatment selection.

Main Methods:

  • A case series design (Level of evidence, 4) was employed.
  • Data from 71 meniscal root tears in 67 patients undergoing arthroscopic surgery were prospectively collected.
  • Tear morphology and treatment were analyzed from operative notes and arthroscopic images by independent reviewers.

Main Results:

  • A classification system for meniscal root tears was established based on morphology.
  • Five tear types were identified: partial stable (Type 1), complete radial (Type 2, subclassified 2A-2C), bucket-handle (Type 3), complex oblique (Type 4), and avulsion fractures (Type 5).
  • Type 2 tears were the most prevalent (n=48), occurring within 9 mm of the root attachment.

Conclusions:

  • A concise classification system for meniscal root tears by morphology is feasible.
  • The identified tear patterns provide a framework for understanding meniscal root tear variations.
  • Treatment strategies varied depending on the specific meniscal root tear type observed.