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Related Concept Videos

Bones of the Upper Limb: Humerus01:19

Bones of the Upper Limb: Humerus

The upper limb consists of the arm, forearm, wrist, and hand bones. The humerus is the single bone of the upper arm region. Proximally, it has a large, spherical, smooth head that articulates with the glenoid cavity of the scapula to form the glenohumeral or shoulder joint. The margin of the head is the anatomical neck, a residual epiphyseal plate. Laterally it extends to form bony projections called the greater tubercle and the lesser tubercle. Next to the tubercles is the surgical neck, a...
Bones of the Lower Limb: Femur and Patella01:16

Bones of the Lower Limb: Femur and Patella

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 neck...

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Related Experiment Video

Updated: Jun 2, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

[Chondroblastic osteosarcoma over a total hip prosthesis].

J J Gómez Herrera1, C Hayoun, P Manjón Luengo

  • 1Servicio de Radiodiagnóstico, Hospital Universitario Quirón, Madrid, España. juanje81@hotmail.com

Radiologia
|May 4, 2011
PubMed
Summary
This summary is machine-generated.

Malignant transformation near joint prostheses is extremely rare. This case report details a chondroblastic osteosarcoma developing adjacent to a total hip prosthesis in a female patient.

Related Experiment Videos

Last Updated: Jun 2, 2026

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

Area of Science:

  • Orthopedic Surgery
  • Oncology
  • Pathology

Background:

  • Malignant transformation in the vicinity of orthopedic implants is an exceedingly uncommon event.
  • Joint replacement surgeries, particularly total hip arthroplasty, are common procedures for managing degenerative joint diseases.

Observation:

  • A rare instance of chondroblastic osteosarcoma was identified.
  • The malignancy developed in the peri-prosthetic region of a total hip replacement.

Findings:

  • The study documents a unique case of chondroblastic osteosarcoma.
  • The tumor arose in close proximity to a pre-existing total hip prosthesis.

Implications:

  • This case highlights the importance of vigilance for rare oncological complications following joint arthroplasty.
  • Further research may elucidate potential mechanisms linking joint prostheses and sarcomagenesis.
  • Awareness among orthopedic surgeons and oncologists is crucial for early diagnosis and management.