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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.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
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Bones of the Lower Limb: Femur and Patella01:16

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The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the...
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Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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Related Experiment Video

Updated: Sep 3, 2025

Author Spotlight: Double Posteromedial Approach for Treating Posterior Cruciate Ligament Cysts
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Lucent Patellar Lesions: A Pictorial Review.

Ziang Lu1, Kira Chow2, Benjamin Levine1

  • 1Department of Radiological Sciences, University of California Los Angeles, Los Angeles, California, USA.

Journal of Radiology Case Reports
|July 25, 2022
PubMed
Summary

Radiographically lucent patellar lesions have diverse causes, from common conditions to rare tumors. Imaging features and clinical data help differentiate benign from malignant possibilities.

Keywords:
CTMRIPatellachondroblastomadisseminated coccidioidomycosisdorsal patellar defectgiant cell tumorgoutmetastasesosteochondral defectosteoid osteoma

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Area of Science:

  • Orthopedic imaging
  • Radiology
  • Pathology

Background:

  • Patellar lesions present a wide differential diagnosis.
  • Understanding imaging characteristics is crucial for diagnosis.

Observation:

  • This case series reviews imaging findings of lucent patellar lesions.
  • Clinical and radiographic features aid in differential diagnosis.

Findings:

  • Circumscribed borders suggest benign lesions.
  • Ill-defined margins indicate malignant potential.
  • A combination of imaging and clinical data is essential.

Implications:

  • Accurate diagnosis of patellar lesions impacts treatment strategies.
  • Improved understanding of imaging findings can refine diagnostic accuracy.
  • This review aids radiologists and clinicians in evaluating patellar abnormalities.