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相关概念视频

Structural Joints: Synovial Joints01:16

Structural Joints: Synovial Joints

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Synovial joints are the most common type of joint in the body. A key structural characteristic for a synovial joint is the presence of a joint cavity. This fluid-filled space is where the articulating surfaces of the bones contact each other. Also, unlike fibrous or cartilaginous joints, the articulating bone surfaces at a synovial joint are not directly connected to each other with fibrous connective tissue or cartilage. This gives the bones of a synovial joint the ability to move smoothly...
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Knee Joint01:23

Knee Joint

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The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris...
2.3K
Tumor Immunotherapy01:27

Tumor Immunotherapy

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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
662
Functional Classification of Joints01:09

Functional Classification of Joints

4.8K
Functional Classification of Joints
The functional classification of joints is determined by the amount of mobility between the adjacent bones. Joints are functionally classified as a synarthrosis or immobile joint, an amphiarthrosis or slightly moveable joint, or as a diarthrosis, a freely moveable joint. Fibrous and cartilaginous joints can be functionally classified as either synarthroses  or amphiarthroses, whereas all synovial joints are classified as diarthroses.
Synarthrosis
An...
4.8K
Structural Classification of Joints01:20

Structural Classification of Joints

4.2K
Joints, also known as articulations, are classified based on their structural characteristics, i.e., based on whether the articulating surfaces of the adjacent bones are directly connected by fibrous connective tissue or cartilage, or whether the articulating surfaces contact each other within a fluid-filled joint cavity. These differences serve to divide the joints of the body into three structural classifications.
A fibrous joint is where the adjacent bones are united by fibrous connective...
4.2K
Tumor Progression02:07

Tumor Progression

6.5K
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...
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相关实验视频

Updated: Sep 13, 2025

Author Spotlight: Double Posteromedial Approach for Treating Posterior Cruciate Ligament Cysts
05:44

Author Spotlight: Double Posteromedial Approach for Treating Posterior Cruciate Ligament Cysts

Published on: October 20, 2023

793

关节内瘤 关节内瘤

Michael E Kallen1, John M Gross2

  • 1Department of Pathology, University of Maryland School of Medicine, 22 South Greene Street, NBW-54, Baltimore, MD 21201, USA.

Surgical pathology clinics
|July 27, 2025
PubMed
概括

关节内瘤,罕见的关节瘤,存在诊断挑战. 本综述强调了常见的良性瘤及其模仿物,以帮助病理学家.

科学领域:

  • 整形外科病理学 整形外科病理学
  • 在瘤学瘤学.
  • 放射学 放射学是一门学科.

背景情况:

  • 关节内瘤并不常见,但会带来重大诊断挑战.
  • 错误诊断可能导致严重的临床后果.
  • 大多数基于关节的瘤是良性的,数量有限.

研究的目的:

  • 为了说明常见的关节内瘤的关键特征.
  • 为提供有关关节内瘤的最新信息.
  • 帮助病理学家识别这些瘤及其模仿者.

主要方法:

  • 对常见的关节内瘤的审查.
  • 对病理学家的诊断珍珠的讨论.
  • 对瘤模仿的分析.

主要成果:

  • 常见的关节内瘤主要是良性的.
  • 特定的特征有助于区分瘤与模仿者.
  • 提供了有关瘤管理的最新信息.

结论:

  • 准确识别关节内瘤至关重要.
关键词:
化冠状腺介质细胞瘤瘤.清洁细胞肉瘤是什么?肌外的纤维瘤 肌外的纤维瘤在关节内发生瘤.关节瘤是一个关节瘤.突性冠状动质症 (Synovial chondromatosis) 是一种突性冠状动质症.突肉瘤 (Synovial Sarcoma) 是一个突肉瘤.长结核巨细胞瘤

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In Vivo Optical Imaging of Brain Tumors and Arthritis Using Fluorescent SapC-DOPS Nanovesicles
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In Vivo Optical Imaging of Brain Tumors and Arthritis Using Fluorescent SapC-DOPS Nanovesicles

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

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相关实验视频

Last Updated: Sep 13, 2025

Author Spotlight: Double Posteromedial Approach for Treating Posterior Cruciate Ligament Cysts
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Author Spotlight: Double Posteromedial Approach for Treating Posterior Cruciate Ligament Cysts

Published on: October 20, 2023

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In Vivo Optical Imaging of Brain Tumors and Arthritis Using Fluorescent SapC-DOPS Nanovesicles
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In Vivo Optical Imaging of Brain Tumors and Arthritis Using Fluorescent SapC-DOPS Nanovesicles

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

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  • 了解瘤的特征和模仿可以提高诊断的准确性.
  • 本综述为病理学家提供了实际指导.