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相关概念视频

Classification of Epithelial Tissues: Overview01:22

Classification of Epithelial Tissues: Overview

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Epithelial tissues are classified according to the shape of the cells and the number of cell layers formed. Cell shapes can be squamous (flattened and thin), cuboidal (square-like, as wide as it is tall), or columnar (rectangular, taller than it is wide). Additionally, the nucleus shape helps identify the type of epithelial cells. Squamous cells have flattened disc-shaped nuclei, cuboidal cells have spherical nuclei, and columnar cells have elongated nuclei.
Based on the number of cell layers,...
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Classification of Epithelial Tissues: Glandular Epithelium01:20

Classification of Epithelial Tissues: Glandular Epithelium

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The glandular epithelium is made of one or more epithelial cells modified to synthesize and secrete chemical substances. Glandular epithelia can be classified based on cell number. Unicellular glands have individual secretory cells scattered across the epithelial monolayer. In contrast, multicellular glands consist of a hollow tubular duct attached to the cluster of secretory cells located in the deep pockets.
Multicellular glands are formed during early development when epithelial budding...
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The Thyroid Gland01:23

The Thyroid Gland

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The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
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Synthesis and Regulation of Thyroid Hormones01:20

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Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
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Classification of Leukocytes01:30

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Leukocytes are classified into two groups based on the presence or absence of cytoplasmic granules. Granular leukocytes, which contain granules, belong to the myeloid lineage and are divided into three subtypes: neutrophils, eosinophils, and basophils. These cells are roughly spherical and characterized by the granules in their cytoplasm.
Neutrophils are the most abundant type of granular leukocytes, comprising 50-70% of all leukocytes. They feature small, evenly distributed granules and a...
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相关实验视频

Updated: Sep 16, 2025

A Swin Transformer-Based Model for Thyroid Nodule Detection in Ultrasound Images
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基于多模式卷积神经网络的甲状腺细胞学分类和诊断.

Dandan Yang1, Tianlun Li1, Lu Li1

  • 1The Department of Pathology, Affiliated Hospital of Jining Medical University, Jining, China.

Human pathology
|July 5, 2025
PubMed
概括

人工智能有助于甲状腺结节的诊断. 结合细胞学图像和超声波图像 (CI-DUF) 的新模型提高了仅使用细胞学图像 (CI) 来分类甲状腺细针吸收细胞学的模型的准确性.

关键词:
人工智能的人工智能是人工智能.在美国,CNN是CNN.多式联运多式联运病理学 病理学 病理学甲状腺细胞学 甲状腺细胞学超声波超声波是指超声波的使用.

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科学领域:

  • 医学成像医学成像
  • 在病理学中的人工智能.
  • 甲状腺细胞学 甲状腺细胞学

背景情况:

  • 准确诊断甲状腺结节对于治疗计划至关重要.
  • 人工智能 (AI) 可以提高细胞学诊断的效率和准确性.
  • 超声导向细针吸收是一种关键的诊断程序.

研究的目的:

  • 开发和评估一种新型诊断模型 (CI-DUF) 整合细胞学图像和数字超声波功能,用于甲状腺细针吸收细胞学.
  • 将CI-DUF模型的性能与仅使用细胞图像 (CI) 的模型进行比较.

主要方法:

  • 对384名患者的825张甲状腺细胞学图像进行了回顾性分析.
  • 开发两个人工智能模型:一个使用细胞学图像 (CI),另一个集成细胞学和数字超声波特征 (CI-DUF).
  • 模型被训练并使用8:2数据分割进行测试.

主要成果:

  • 在CI-DUF模型中,接收器运行特征曲线 (AUROC) 下的面积为0.9326,而在CI模型中为0.9119.
  • CI-DUF模型显示了显著提高的准确性,灵敏性和特异性.
  • 对乳头癌,卵泡瘤,骨髓癌和良性甲状腺病变的增强分类性能.

结论:

  • CI-DUF模型利用多模式信息,在甲状腺细胞学中提供卓越的诊断性能.
  • 这种综合方法显示出在甲状腺结节诊断中临床应用的巨大潜力.