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Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
Published on: April 12, 2019
Intracortical osteosarcoma: report of a case
1Department of Orthopedic Surgery, National Taiwan University, College of Medicine, National Taiwan University Hospital, Taipei.
Journal of the Formosan Medical Association = Taiwan Yi Zhi
|September 23, 2000
Summary
Intracortical osteosarcoma, a rare bone cancer variant, requires prompt diagnosis and aggressive treatment. Early surgical intervention and chemotherapy improve outcomes, reducing recurrence and metastasis risks.
Area of Science:
- Orthopedic Oncology
- Skeletal Radiology
- Bone Pathology
Background:
- Intracortical osteosarcoma is an extremely rare variant of osteosarcoma, with limited documented cases.
- Distinguishing intracortical osteosarcoma from benign bone lesions on initial imaging can be challenging.
Observation:
- A case study of an 18-year-old male with intracortical osteosarcoma of the tibial diaphysis is presented.
- Initial radiographs showed a lytic lesion confined to the bone cortex, mimicking benign pathology.
- Histopathology confirmed an osteoblastic osteosarcoma with fibroblastic components.
Findings:
- The patient underwent en bloc resection with prosthetic replacement and received adjuvant chemotherapy.
- A 40-month disease-free follow-up was achieved.
- Review of reported cases indicates treatment strategy significantly impacts local recurrence and distant metastasis.
Implications:
- Early recognition of intracortical osteosarcoma is crucial for effective management.
- Aggressive surgical resection and multimodal chemotherapy improve patient outcomes.
- Further research is needed to determine if intracortical osteosarcoma has a distinct prognosis compared to conventional osteosarcoma due to limited case numbers.

