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Related Experiment Video

Updated: May 31, 2026

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle
08:07

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle

Published on: January 11, 2018

Secondary chondrosarcoma in the mandibular condyle.

B Xu1, H Shi, S Wang

  • 1Department of Oral and Maxillofacial Surgery, Ninth People's Hospital, Medical School, Shanghai Jiao Tong University, Shanghai, P. R. China.

Dento Maxillo Facial Radiology
|June 24, 2011
PubMed
Summary
This summary is machine-generated.

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Bone formation, or ossification, begins around the sixth to seventh week of embryonic development. Most bones develop from a cartilaginous template through the process of endochondral ossification. Cartilage formation begins when clusters of mesenchymal cells differentiate into chondrocytes. These chondrocytes proliferate rapidly and secrete an extracellular matrix that becomes encased in a membrane called the perichondrium. The resulting cartilage model provides a template that resembles the...

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A rare case of secondary chondrosarcoma developed in a left mandibular osteochondroma. This study details the clinical and imaging features of this bone tumor.

Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthopedic Oncology
  • Radiology

Background:

  • Osteochondromas are benign bone tumors, typically occurring in long bones.
  • Secondary chondrosarcoma is a rare malignant transformation of a pre-existing osteochondroma.
  • Mandibular osteochondromas are uncommon, and secondary chondrosarcoma within them is exceptionally rare.

Observation:

  • A woman presented with a large, lobulated mass in the left mandibular condyle.
  • Imaging revealed a bone density mass consistent with an osteochondroma.
  • Biopsy confirmed secondary chondrosarcoma arising from the osteochondroma.

Findings:

  • The tumor exhibited characteristic imaging features of chondrosarcoma on CT and MRI.
  • Histopathological examination confirmed the malignant cartilaginous nature of the tumor.

Related Experiment Videos

Last Updated: May 31, 2026

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle
08:07

A Morphometric and Cellular Analysis Method for the Murine Mandibular Condyle

Published on: January 11, 2018

  • The patient's clinical presentation and imaging findings were crucial for diagnosis.

    • Implications:

    • This case highlights the importance of vigilant follow-up for osteochondromas, especially in the mandible.
    • Early diagnosis of secondary chondrosarcoma is critical for effective treatment and improved prognosis.
    • Understanding the imaging characteristics aids in differentiating benign from malignant lesions in the mandibular condyle.