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Cancer Therapies

Cancer Therapies

Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...

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Intratibial Osteosarcoma Cell Injection to Generate Orthotopic Osteosarcoma and Lung Metastasis Mouse Models

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Surface osteosarcoma: Clinical features and therapeutic implications.

H Nouri¹, M Ben Maitigue², L Abid³

¹Department of Adult Surgery, KASSAB's Orthopedic Institute, University El Manar II, Tunisia.

Journal of Bone Oncology

|January 6, 2016

Summary

This summary is machine-generated.

Surface osteosarcoma, a rare bone cancer variant, requires tailored treatment. High-grade lesions necessitate aggressive surgery and chemotherapy, while low-grade tumors are best managed with wide resection for improved outcomes.

Keywords:

Chemotherapy-surgery High grade surface osteosarcoma Parosteal osteosarcoma Periosteal osteosarcoma

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Area of Science:

Orthopedic Oncology
Skeletal Radiology
Bone Pathology

Background:

Surface osteosarcoma encompasses rare variants like parosteal, periosteal, and high-grade surface osteosarcoma.
These tumors exhibit distinct clinical and biological behaviors compared to conventional osteosarcoma, necessitating specialized management strategies.

Purpose of the Study:

To analyze the clinico-pathological characteristics and outcomes of surface osteosarcoma.
To define optimal treatment approaches for this rare bone tumor entity.

Main Methods:

A retrospective, bicentric study involving 18 surface osteosarcoma cases (2006-2013).
Review of clinical, radiological, and histological features, treatment modalities, and patient outcomes.

Main Results:

The study included 18 patients (61.1% female, mean age 25 years) with lesions primarily in the femur (11) and tibia (7).
Histological subtypes included 11 parosteal osteosarcoma, 3 periosteal osteosarcoma, and 4 high-grade surface osteosarcoma.
High-grade lesions showed poor response to neoadjuvant chemotherapy, with a 33.3% mortality rate and 44.4% developing lung metastases.

Conclusions:

Histological grade is crucial for determining surface osteosarcoma treatment and prognosis.
Low-grade lesions warrant wide resection, whereas high-grade tumors require aggressive surgical intervention and adjuvant chemotherapy.