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The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
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Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
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Glycans, a class of complex heterogeneous molecules, can be covalently attached to proteins to form glycosylated proteins that regulate various physiological and pathological processes. Glycosylated proteins or glycoproteins comprise N-linked and O-linked oligosaccharides. O-glycosylation is the most common type of protein glycosylation. Here, glycans attach to the oxygen atom of the hydroxyl groups of Serine or Threonine residues. O-linked glycosylation occurs later in protein processing,...
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The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma...
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相关实验视频

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带有多阳性炎的粒状瘤.

Yu Zhu1, Jiao Zhu1, Rui Luo2

  • 1Department of Otolaryngology,The Second Affiliated Hospital of Chongqing Medical University,Chongqing, People's Republic of China.

IDCases
|April 29, 2024
PubMed
概括

这一案例研究突出显示了具有多胞膜炎 (GPA) 的粒状瘤,这是一种罕见的自身免疫性疾病. 早期诊断和Rituximab和葡萄糖皮质激素的治疗导致了快速症状的缓解,并改善了CT发现.

关键词:
自身免疫性疾病是一种自身免疫性疾病.带有多阳性炎的粒状瘤.呼吸道感染的发生.

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科学领域:

  • 内部医学 内部医学
  • 类风湿病学 类风湿病学
  • 肺部病理学 肺部病理学

背景情况:

  • 带有多胞膜炎 (GPA) 的粒状瘤病是一种罕见的自身免疫性疾病,其特征是小和中型血管的炎症.
  • GPA可以影响多个器官,包括呼吸道和脏,经常呈现非特异性症状.
  • 及时诊断和适当的治疗对于管理GPA和预防不可逆转的器官损伤至关重要.

研究的目的:

  • 呈现一个带有多管炎 (GPA) 的粒状瘤病例,耳鼻喉 (ENT) 和肺部表现突出.
  • 强调诊断方面的挑战以及在患有难治性呼吸道症状和多器官干扰的患者中考虑GPA的重要性.
  • 为了说明Rituximab与葡萄糖皮质类药物联合治疗GPA的有效性.

主要方法:

  • 一名30岁的男性患者出现了持续的鼻塞,发烧,呼吸短促和显著的体重减轻.
  • 诊断工作包括鼻CT,胸部CT,尿液分析和鼻活检.
  • 治疗包括Rituximab和Glucocorticoids,随后对临床症状和成像进行监测.

主要成果:

  • 鼻活检显示小至中型血管死性血管炎,符合GPA的分类标准,尽管ANCA为负.
  • 患者经历了快速的症状缓解,包括减少呼吸短促和发烧,在一周的GPA特定治疗.
  • 胸部CT显示改善,地面玻璃不透明度降低,炎症标志物 (CRP,ESR) 正常化.

结论:

  • 这一案例强调了在对耐火性ENT和呼吸道症状患者的差异诊断中考虑GPA的重要性,即使ANCA是负面的.
  • 及时开始治疗rituximab和葡萄糖皮质类药物可以导致GPA显著的临床和放射性改善.
  • 为了准确诊断和有效管理GPA,多学科的合作是必不可少的.