相关实验视频
Updated: Feb 13, 2026
16:48
Dissection and 2-Photon Imaging of Peripheral Lymph Nodes in Mice
Published on: August 23, 2007
47.8K
在接受淋巴结剖析的III阶段黑色素瘤患者中使用素酸的安全性:一项追溯队列研究
Karoline Assifuah Kristjansen1,2, Camilla Mensel3, Marie Øbo Larsen1,3
1Department of Clinical Medicine, Aarhus University, Aarhus N.
Melanoma research
|February 11, 2026
概括
特兰胺酸 (TXA) 对黑色素瘤手术患者是安全的. 这项研究发现,使用TXA在第三阶段黑色素瘤淋巴结剖析期间时,没有出现复发,转移,血栓栓塞事件或发作的风险增加.
科学领域:
- 在瘤学瘤学.
- 手术瘤学手术瘤学
- 药理学 药理学是指药理学的学科.
背景情况:
- 特兰胺酸 (TXA) 正在探索黑色素瘤治疗,但其在黑色素瘤手术中的安全性需要评估.
- 临床前数据表明可能存在的风险,如微转移性传播,需要进行安全评估.
- 关于TXA安全性的现有数据主要来自一般的外科患者群体,而不是特定于黑色素瘤.
研究的目的:
- 为了评估外科手术期间的特兰胺酸 (TXA) 在接受针对第三阶段皮肤黑色素瘤的淋巴结完全剖析的患者的安全性.
- 为了评估TXA与复发,血栓栓塞事件和发作的关联,在这个患者队列中.
主要方法:
- 对155名患有III期皮肤黑色素瘤的患者进行了回顾性分析,这些患者接受了完整的淋巴结剖析.
- 数据提取包括患者人口统计,TXA暴露,复发 (局部,区域,系统),血栓栓塞事件和发作.
- 统计分析涉及特定原因的考克斯比例危险模型和费舍尔的精确测试.
主要成果:
- 在155名患者中,44名 (28%) 接受了TXA. 87名患者 (56%) 出现了复发,TXA暴露组和未暴露组的发病率相似.
- TXA与复发风险增加 (HR 0.94,95% CI:0.57-1.54) 或转移模式的改变无关.
- 在TXA使用与发生血栓栓塞事件或发作风险之间没有发现显著的关联.
结论:
- 经外科手术后的松酸 (TXA) 在接受完整淋巴结解剖的III期黑色素瘤患者中似乎是安全的.
- 在本研究群体中,TXA使用与更高的复发率,转移,血栓栓塞事件或发作无关.
- 进一步的研究可能支持TXA在黑色素瘤手术中的作用,等待更广泛的安全性验证.
相关概念视频
01:23Detailed Structure and Function of Lymph Nodes
5.1K
Lymph nodes are bean-shaped structures that cluster along the lymphatic vessels in the inguinal, axillary, and cervical regions. Each node is divided into compartments by a capsule that extends trabeculae inward.
From a histological perspective, lymph nodes can be split into two main areas: the superficial cortex and the deep medulla. The outer cortex is populated by dendritic cells, macrophages, and B lymphocytes, which are densely packed into follicles. When these B-lymphocytes are presented...
From a histological perspective, lymph nodes can be split into two main areas: the superficial cortex and the deep medulla. The outer cortex is populated by dendritic cells, macrophages, and B lymphocytes, which are densely packed into follicles. When these B-lymphocytes are presented...
5.1K
02:54Ions as Acids and Bases
26.6K
Salts with Acidic Ions
Salts are ionic compounds composed of cations and anions, either of which may be capable of undergoing an acid or base ionization reaction with water. Aqueous salt solutions, therefore, may be acidic, basic, or neutral, depending on the relative acid-base strengths of the salt’s constituent ions. For example, dissolving the ammonium chloride in water results in its dissociation, as described by the equation:
Salts are ionic compounds composed of cations and anions, either of which may be capable of undergoing an acid or base ionization reaction with water. Aqueous salt solutions, therefore, may be acidic, basic, or neutral, depending on the relative acid-base strengths of the salt’s constituent ions. For example, dissolving the ammonium chloride in water results in its dissociation, as described by the equation:
26.6K
01:28Survey Safety
418
Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use of warning signs and flagmen. It is safest to avoid working directly on roads and use offsets whenever possible. When highway work is unavoidable, it must follow all safety guidelines. Surveyors should wear bright clothing, such as orange reflective vests, to ensure visibility to motorists, coworkers, and hunters. In construction zones, wearing...
418
02:33Lewis Acids and Bases
48.5K
In 1923, G. N. Lewis proposed a generalized definition of acid-base behavior in which acids and bases are identified by their ability to accept or to donate a pair of electrons and form a coordinate covalent bond.
A coordinate covalent bond (or dative bond) occurs when one of the atoms in the bond provides both bonding electrons. For example, a coordinate covalent bond occurs when a water molecule combines with a hydrogen ion to form a hydronium ion. A coordinate covalent bond also results when...
A coordinate covalent bond (or dative bond) occurs when one of the atoms in the bond provides both bonding electrons. For example, a coordinate covalent bond occurs when a water molecule combines with a hydrogen ion to form a hydronium ion. A coordinate covalent bond also results when...
48.5K
01:27Imaging Studies III: Computed Tomography
406
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
406
01:20Imaging Studies for Cardiovascular System III: X-Ray
499
The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...
499