Related Experiment Videos
Aggressive giant cell tumour of bone
W I Faisham1, W Zulmi, A S Halim
1Department of Orthopaedics, Musculoskeletal Oncology Unit, School of Medical Science, Universiti Sains Malaysia, Kubang Kerian 16150, Kelantan, Malaysia. faisham@kb.usm.my
Singapore Medical Journal
|July 26, 2006
Summary
Wide resection is recommended for aggressive giant cell tumors of bone to improve local control. Treating pulmonary metastases is essential for a better overall prognosis in these challenging bone cancer cases.
Area of Science:
- Orthopedic Oncology
- Surgical Oncology
- Bone Tumors
Background:
- Surgical management of Stage III or aggressive giant cell tumors of bone remains controversial regarding intralesional versus en-bloc resection.
- Giant cell tumors of bone (GCTB) can present aggressively, posing challenges for local control and oncological outcomes.
Purpose of the Study:
- To evaluate the effectiveness of en-bloc resection for local control in aggressive giant cell tumors of bone.
- To determine the oncological outcomes associated with wide resection for Stage III GCTB.
Main Methods:
- Retrospective review of 20 consecutive patients with Stage III giant cell tumor.
- Analysis of local control and oncological outcomes following wide resection, with exceptions for ablative surgery in cases of major neurovascular involvement.
Main Results:
- Most patients presented late (mean 24 months symptom duration); four had recurrences.
- One local recurrence occurred after wide resection, successfully treated with repeat resection and flap.
- Pulmonary metastases were present in six patients; treatment varied (thoracoscopic surgery, chemotherapy, or no chemotherapy), impacting prognosis.
Conclusions:
- Wide resection is the preferred surgical approach for aggressive giant cell tumors of bone to achieve better local control.
- Management of pulmonary metastases is critical for improving the overall prognosis in patients with advanced GCTB.
Related Concept Videos
Tumor Progression
Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Bone Cells and Tissue
Bones contain a relatively small number of cells entrenched in a matrix of organic and inorganic components. Although bone cells compose only a small amount of the bone volume, they are crucial to its function. Four types of cells are found within the bone tissue— osteoblasts, osteocytes, osteogenic cells, and osteoclasts.
Osteoblasts and Osteocytes
The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the periosteum and...
Osteoblasts and Osteocytes
The osteoblast is the bone cell responsible for forming new bone tissue. It is found in the growing portions of bone, including the periosteum and...
Osteoclasts in Bone Remodeling
Osteoclasts are cells responsible for bone resorption and remodeling. They originate from hematopoietic progenitor cells present in the bone marrow. Numerous progenitor cells fuse to form multinucleated cells, each with 10-20 nuclei. A single osteoclast has a diameter of 150 to 200 µM. These cells have ruffled borders that break down the underlying bone tissue and release minerals such as calcium into the blood in bone resorption. Osteoclasts cling to bones with their ruffled edges during bone...
Abnormal Proliferation
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...