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相关概念视频

Classification of Epithelial Tissues: Glandular Epithelium01:20

Classification of Epithelial Tissues: Glandular Epithelium

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...
The Mammary Glands01:12

The Mammary Glands

The female breast is a hemispheric projection of variable size positioned anterior to the pectoralis major and serratus anterior muscles. A fascia layer composed of dense, irregular connective tissue connects it to these muscles.
Each breast features a pigmented projection known as the nipple, through which milk emerges via closely spaced openings of ducts, referred to as lactiferous ducts. Surrounding the nipple is a circular pigmented area of skin named the areola, which appears rough due to...

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相关实验视频

Updated: Jul 12, 2026

Cell Population Analyses During Skin Carcinogenesis
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[乳腺颗粒细胞瘤] 这是什么?

S A Povzun1, N Yu Novitskaya1

  • 1I.I. Dzanelidze St. Petersburg Scientific Research Institute of Emergency Care, St. Petersburg, Russia.

Arkhiv patologii
|July 29, 2024
PubMed
概括

这份报告详细介绍了一种罕见的乳腺颗粒细胞瘤,一种神经外皮性瘤. 关键的诊断标记包括蛋白质S-100表达和表皮抗原的缺失,使其与癌症区分开来.

科学领域:

  • 在瘤学瘤学.
  • 病理学 病理学 病理学
  • 放射学 放射学是一门学科.

背景情况:

  • 颗粒细胞瘤 (GCTs) 是一种罕见的瘤.
  • GCTs通常是神经外皮起源的.
  • 乳腺本地化GCT是非常罕见的.

研究的目的:

  • 报告一个乳房中颗粒细胞瘤的病例.
  • 概述乳腺GCT的差异诊断标准.
  • 为了突出乳腺GCT的成像特征.

主要方法:

  • 活检和组织病理学检查.
  • 针对蛋白质S-100,表皮抗原,细胞抗原,蛋白,雌激素和孕激素受体进行免疫组织化学分析.
  • 定期使用酸性Schiff (PAS) 染色.
  • 对超声波和乳房扫描结果的审查.

主要成果:

  • 活检证实了颗粒细胞瘤.
  • 阳性细胞质蛋白S-100表达.
  • 缺少表皮和细胞抗原,蛋白,雌激素和孕激素受体.
  • 细胞内颗粒显示PAS阳性反应.
关键词:
乳房 乳房 乳房 乳房颗粒状细胞瘤的发生.微观差异诊断是微观的差异诊断.

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  • 影像 (超声波,乳房影像) 最初建议恶性瘤或化.

    • 结论:

    • 颗粒细胞瘤是一种罕见的神经外皮性乳腺瘤.
    • 特定的免疫组织化学标记对于准确的诊断至关重要.
    • 放射学发现可以模仿乳腺癌,需要仔细地对其进行基因病理学评估.