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相关概念视频

Classification of Epithelial Tissues: Overview01:22

Classification of Epithelial Tissues: Overview

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,...
Classification of Epithelial Tissues: Simple Epithelium01:30

Classification of Epithelial Tissues: Simple Epithelium

Simple epithelium consists of a single layer of cells that lines body cavities and blood vessels. The shape of the cells in the epithelium reflects the function of the tissue. Cells in simple squamous epithelium appear as thin scales with flat, elliptical nuclei that mirror the form of the cell.
Because of the thinness of the cells, simple squamous epithelium is present where the rapid passage of chemical compounds is observed. For example, the endothelium that lines the capillaries and vessels...
Classification of Epithelial Tissues: Stratified Epithelium01:29

Classification of Epithelial Tissues: Stratified Epithelium

Stratified epithelium consists of several stacked layers of cells. They provide the durability to withstand constant physical and chemical attacks. Stratified epithelium is named after the shape of the most apical layer of cells. Stratified squamous epithelium is the most common type found in the human body. In this tissue, the apical cells are squamous, whereas the basal layer contains either columnar or cuboidal cells. The basal cells divide to form new daughter cells, which gradually become...
Classification of Leukocytes01:30

Classification of Leukocytes

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

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Label-Free Identification of Lymphocyte Subtypes Using Three-Dimensional Quantitative Phase Imaging and Machine Learning
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在声音折叠白血病的形态特征的NBI分类优化.

Yi Fang1,2, Changjiang Li1,2, Min Chen1,2

  • 1ENT Institute and Department of Otorhinolaryngology, Eye & ENT Hospital, Fudan University, Shanghai, China.

Ear, nose, & throat journal
|August 31, 2024
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概括

预测声白血病 (VFL) 病理是具有挑战性的. 通过窄带成像 (NBI) 识别的不规则或粗的VFL纹理显著预测高风险病变,有助于早期诊断.

关键词:
印度国家银行 (NBI)这是分类分类的分类.形态学 形态学 形态学病理学的病理学发声白血症 (leukoplakia) 是一种发声白血症.

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科学领域:

  • 耳鼻喉科 耳鼻喉科 耳鼻喉科
  • 病理学 病理学 病理学
  • 医疗成像医学成像

背景情况:

  • 声白血病 (VFL) 存在诊断方面的挑战.
  • 准确的病理预测对于有效治疗VFL至关重要.
  • 窄带成像 (NBI) 提供了喉病变的增强可视化.

研究的目的:

  • 评估NBI分类 (II型) 和形态特征在预测VFL病理方面的作用.
  • 为了将喉镜检测结果与组织病理学结果相关联.
  • 为了提高高风险VFL的诊断准确度.

主要方法:

  • 追溯分析59名VFL患者的NBI II型分类.
  • 基于2005年世卫组织蓝皮书标准的组织病理学分类 (低风险:非,轻度,中度发育不良;高风险:严重发育不良).
  • 使用喉镜评分对纹理,大小和病变厚度进行形态评估.

主要成果:

  • 病理包括非发育不良,轻度,中度,重度发育不良和癌症.
  • 粗的VFL纹理与高风险病理 (严重的发育不良和癌症) 有显著的关联.
  • 不规则的纹理,大尺寸和厚度的病变被确定为高风险VFL的预测因素.

结论:

  • 仅使用NBI就很难对VFL类型II的病理预测.
  • 形态特征,特别是不规则/粗的纹理,是高风险VFL的有价值的预测指标.
  • 整合形态评估与NBI可以提高VFL的病理预测.