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Related Concept Videos

Tumor Progression02:07

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...
Cancer02:18

Cancer

Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.
Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Skin Cancer01:30

Skin Cancer

Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Metastasis02:30

Metastasis

Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
Bone Cells and Tissue01:30

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...

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Updated: Jul 6, 2026

Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone
06:53

Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone

Published on: September 9, 2020

Malignant bone tumors.

Kristy Weber1, Timothy A Damron, Frank J Frassica

  • 1Departments of Orthopaedics and Oncology, Johns Hopkins University, Baltimore, Maryland, USA.

Instructional Course Lectures
|April 11, 2008
PubMed
Summary
This summary is machine-generated.

Recognizing rare malignant bone tumors is crucial for timely treatment. Early diagnosis and a multidisciplinary approach involving orthopaedic oncologists improve patient outcomes for conditions like osteosarcoma and Ewing's sarcoma.

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Area of Science:

  • Orthopaedic Oncology
  • Skeletal Radiology
  • Musculoskeletal Pathology

Background:

  • Malignant bone tumors are rare but require prompt recognition by orthopaedic surgeons to prevent treatment delays.
  • Common primary bone cancers include osteosarcoma and Ewing's sarcoma in children, and chondrosarcoma in adults.
  • Specific rare tumors like chordoma and adamantinoma have distinct anatomical locations.

Purpose of the Study:

  • To highlight the importance of recognizing symptoms of bony malignancy.
  • To outline diagnostic and staging procedures for suspected bone tumors.
  • To review treatment strategies for various primary malignant bone tumors.

Main Methods:

  • Review of common and rare primary malignant bone tumors.
  • Emphasis on clinical presentation (pain, swelling) and physical examination findings.
  • Discussion of diagnostic modalities including imaging, staging, and biopsy techniques (needle or open).

Main Results:

  • Pain at rest or night is a primary symptom; swelling and decreased range of motion are common physical findings.
  • Accurate diagnosis via biopsy is essential for guiding treatment.
  • Treatment involves chemotherapy, surgical resection, and reconstruction, with a trend towards prosthetic use.

Conclusions:

  • Effective management of malignant bone tumors necessitates a multidisciplinary team approach.
  • Orthopaedic oncologists play a central role alongside radiologists, pathologists, and other specialists.
  • Prompt recognition and staging are critical for optimal patient care and outcomes.