Video Experimental Relacionado
Updated: Jun 5, 2026
12:52
Isolation and Flow Cytometric Analysis of Glioma-infiltrating Peripheral Blood Mononuclear Cells
Published on: November 28, 2015
Novedades en el tumor de células gigantes de hueso
Shinji Tsukamoto1, Costantino Errani2, Tessa Balach3
1Department of Orthopaedic Surgery, Nara Medical University, 840, Shijo-cho, Kashihara-City, 634-8521, Nara, Japan.
SICOT-J
|January 22, 2026
Resumen
El tratamiento del tumor de células gigantes de hueso (TCG) se centra en la preservación de la articulación y la reducción de la recurrencia. La ablación por radiofrecuencia muestra resultados prometedores para el TCG recurrente, mientras que los nuevos materiales y biomarcadores ayudan en el manejo.
Área de la Ciencia:
- Oncología Ortopédica
- Tumores Óseos
- Técnicas Quirúrgicas
Sus antecedentes:
- El tumor de células gigantes de hueso (TCG) afecta comúnmente a las extremidades, lo que requiere tratamientos que preserven la articulación, como el legrado.
- Las altas tasas de recurrencia local después del legrado presentan un desafío clínico significativo.
- Es crucial desarrollar estrategias novedosas para mejorar los resultados funcionales y minimizar la recurrencia.
Objetivo del estudio:
- Revisar la literatura actual sobre el manejo de los tumores de células gigantes de hueso, centrándose en las modalidades de tratamiento y la recurrencia.
- Explorar técnicas y materiales emergentes destinados a reducir la recurrencia y prevenir complicaciones.
- Destacar la necesidad de terapias sistémicas avanzadas para el TCG irresecable o metastásico.
Principales métodos:
- Revisión de la literatura de estudios que informan sobre la ablación por radiofrecuencia para el TCG recurrente.
- Análisis de investigaciones sobre nuevos materiales de relleno óseo para prevenir complicaciones postoperatorias.
- Evaluación de biomarcadores para la detección temprana de recurrencia local.
- Discusión de opciones de tratamiento sistémico para el TCG avanzado.
Principales resultados:
- La ablación por radiofrecuencia demuestra resultados favorables como tratamiento independiente para el TCG localmente recurrente y pequeño.
- Los nuevos materiales de relleno muestran potencial para prevenir complicaciones como artrosis y fracturas.
- La fosfatasa alcalina tartrato-resistente 5b puede servir como un biomarcador útil para la detección temprana de recurrencias.
Conclusiones:
- El legrado con preservación de la articulación es clave para los resultados funcionales en el TCG de extremidades.
- Los tratamientos locales innovadores y los biomateriales están mejorando las tasas de recurrencia y complicaciones.
- Se necesitan urgentemente terapias sistémicas efectivas y seguras para el TCG avanzado, especialmente para pacientes embarazadas.
Más Videos Relacionados
06:35An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
Published on: February 8, 2019
06:53Modeling Primary Bone Tumors and Bone Metastasis with Solid Tumor Graft Implantation into Bone
Published on: September 9, 2020
Videos de Conceptos Relacionados
01:40Bone Remodeling
Bone remodeling is a continuous and balanced process of bone resorption by osteoclasts and bone formation by osteoblasts. In adults, it helps maintain bone mass and calcium homeostasis. While mechanical stress can stimulate turnover as part of the normal maintenance and reparative process, several hormones also regulate bone remodeling.
02:07Tumor 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...
01:31Osteoclasts 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...
01:17Gross Anatomy of Bone
The two main features of a long bone are the diaphysis and the epiphysis.
The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The walls of the diaphysis are composed of dense and hard compact bone made of numerous osteons — the functional unit of the compact bone. The hollow region in the diaphysis is called the medullary cavity, which harbors the bone marrow. In infants and children, this marrow cavity is filled with red marrow, whereas in adults, it...
The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The walls of the diaphysis are composed of dense and hard compact bone made of numerous osteons — the functional unit of the compact bone. The hollow region in the diaphysis is called the medullary cavity, which harbors the bone marrow. In infants and children, this marrow cavity is filled with red marrow, whereas in adults, it...
01:27Compact 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...
01:29Bone 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...
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...