Related Experiment Video
Updated: May 23, 2026

06:15
Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
Published on: August 9, 2024
Mesenchymal chondrosarcoma of the orbit
Ravija Patel1, Bipasha Mukherjee
1Department of Orbit, Oculoplasty, Reconstructive & Aesthetic Services, Sankara Nethralaya, Chennai, India.
Orbit (Amsterdam, Netherlands)
|April 12, 2012
Summary
This case report details a rare orbital mesenchymal chondrosarcoma, a tumor of undifferentiated cells and cartilage. Early diagnosis and multimodal treatment, including surgery and radiotherapy, are crucial for survival.
Area of Science:
- Ophthalmology
- Oncology
- Pathology
Background:
- Mesenchymal chondrosarcoma is a rare, aggressive tumor.
- Orbital involvement is exceptionally uncommon.
Observation:
- A 50-year-old male presented with a 3-month history of right proptosis.
- CT imaging revealed a well-circumscribed, lobulated extraconal mass with calcifications.
Findings:
- Histopathology confirmed mesenchymal chondrosarcoma of the orbit.
- The tumor comprised undifferentiated mesenchymal cells and islands of hyaline cartilage.
Implications:
- Complete surgical excision is the primary treatment.
- Adjuvant radiotherapy is recommended for optimal outcomes.
- Multimodality treatment offers potential for long-term survival in rare orbital tumors.
Related Concept Videos
Accessory Structures of the Eye
Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
Muscles of the Eye
The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for vision. The human eye is controlled by ten muscles — six extraocular muscles, three intraocular muscles, and one primary eyelid retractor muscle.
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...