Related Experiment Video
Updated: Aug 2, 2026

09:25
Establishment of Cancer Stem Cell Cultures from Human Conventional Osteosarcoma
Published on: October 14, 2016
Sarcomas of the jaw
J Yoel1, O González Aguilar, D O Simkin
1G. Rawson Municipal Hospital, Buenos Aires, Argentina.
Seminars in Surgical Oncology
|January 1, 1987
Summary
Prognosis for jaw sarcomas is poor, with high relapse and mortality rates. Early diagnosis and radical surgery offer the best chance for improved outcomes in patients with these rare tumors.
Area of Science:
- Oncology
- Surgical Pathology
- Oral and Maxillofacial Surgery
Background:
- Jaw sarcomas are rare malignant tumors affecting the bone and soft tissues of the jaw.
- Treatment outcomes for these tumors have historically been challenging due to their aggressive nature and late presentation.
Purpose of the Study:
- To analyze the treatment outcomes and survival rates of patients diagnosed with pure sarcomas of the jaw.
- To identify prognostic factors influencing the course of jaw sarcoma in a long-term patient cohort.
Main Methods:
- Retrospective analysis of 61 patients with histologically confirmed pure jaw sarcomas treated between 1950 and 1984.
- Evaluation of treatment modalities including surgery, biopsy, and palliative care.
- Assessment of relapse rates, mortality, and long-term disease-free survival.
Main Results:
- High rates of early relapse (24 cases within 12 months) and mortality (24 deaths within 12 months) were observed.
- Long-term disease-free survival was achieved in only 8 patients across fibrosarcoma, chondrosarcoma, and osteosarcoma subtypes.
- Survival times ranged from over 1 year to more than 18 years in the disease-free cohort.
Conclusions:
- The prognosis for pure jaw sarcomas remains generally poor, underscoring the need for improved therapeutic strategies.
- Early diagnosis and aggressive surgical resection are critical for enhancing patient survival and potentially achieving long-term remission.
- Further research into multimodal treatment approaches is warranted to improve outcomes for these challenging malignancies.
Related Concept Videos
Cancers Originate from Somatic Mutations in a Single Cell
Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
Rous Sarcoma Virus (RSV) and Cancer
Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
Rous Sarcoma Virus (RSV) and Cancer
Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
RSV is a retrovirus that contains two copies of a plus-strand RNA genome. Its genome consists of four main open...
Compact Bone
Most bones contain compact and spongy osseous tissue, but their distribution and concentration vary based on the bone's overall function.
Compact bone, also called cortical bone, is the denser, stronger of the two types of bone tissue. It is found under the periosteum and in the diaphyses of long bones, where it provides support and protection. The microscopic structural unit of compact bone is called an osteon, or haversian system. Each osteon is composed of concentric rings of calcified...
Compact bone, also called cortical bone, is the denser, stronger of the two types of bone tissue. It is found under the periosteum and in the diaphyses of long bones, where it provides support and protection. The microscopic structural unit of compact bone is called an osteon, or haversian system. Each osteon is composed of concentric rings of calcified...
Sutures of the Skull
The human skull is composed of several bones that come together to protect the brain and support the structures of the face. The junctions where these bones meet are called sutures.
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
Sutures are immobile joints between adjacent bones of the skull. The narrow gap between the bones is filled with dense, fibrous connective tissue that unites the bones. The long sutures located between the skull bones are not straight but instead follow irregular, tightly twisting paths. These twisting lines tightly...
Spongy Bone
All bones comprise an outer layer of compact bone, and an interior made up of spongy bone tissue, also called cancellous or trabecular bone. In long bones, spongy bone tissue is mainly found in the interior of the epiphyses (broad ends of the bone).
Spongy bone is more porous, and less dense compared to compact bone. It is composed of concentric lamellae that are arranged irregularly to form the trabecular network. In some bones, the spaces between trabeculae contain red marrow, where...
Spongy bone is more porous, and less dense compared to compact bone. It is composed of concentric lamellae that are arranged irregularly to form the trabecular network. In some bones, the spaces between trabeculae contain red marrow, where...

