関連する実験動画

Updated: Jan 14, 2026

Bile Duct Ligation in Mice: Induction of Inflammatory Liver Injury and Fibrosis by Obstructive Cholestasis
08:56

Bile Duct Ligation in Mice: Induction of Inflammatory Liver Injury and Fibrosis by Obstructive Cholestasis

Published on: February 10, 2015

54.4K

IgG4関連硬化性胆管炎を伴う急性胆嚢炎：症例報告

Shoichiro Yoneyama1, Ichitaro Horiuchi2, Nobukazu Sasaki2

  • 1Department of Gastroenterology, Nagano Red Cross Hospital.

Nihon Shokakibyo Gakkai zasshi = The Japanese journal of gastro-enterology
|January 12, 2026
PubMed

Insights

免疫グロブリンG4関連硬化性胆管炎（IgG4-SC）は、胆管の問題や急性胆嚢炎を引き起こす可能性があります。ステロイド治療は、患者のIgG4-SCと胆嚢炎の両方を効果的に解消しました。

科学分野:

  • 消化器病学
  • 肝臓病学
  • 免疫学

背景:

  • 免疫グロブリンG4関連硬化性胆管炎（IgG4-SC）は、線維化性の炎症性疾患であり、胆道系に影響を及ぼす可能性がある。
  • 胆管癌などの胆道狭窄の他の原因とIgG4-SCを鑑別することは、臨床的に重要である。
  • IgG4-SCは、総胆管や総胆管の関与を含む、様々な胆道症状を呈することがある。

研究 の 目的:

  • 免疫グロブリンG4関連硬化性胆管炎（IgG4-SC）に二次的に生じた急性胆嚢炎の症例を報告する。
  • 胆道系に影響を及ぼすIgG4-SCの診断上の課題と臨床経過を明らかにする。
  • IgG4-SC関連胆道合併症の管理におけるステロイド療法の有効性を示す。

主な方法:

  • 72歳男性患者が黄疸と肝門部胆管狭窄を呈した。
  • 診断ワークアップには、胆管造影、管腔内超音波検査、および血清免疫グロブリンG4（IgG4）値測定が含まれた。
  • 急性胆嚢炎と総胆管狭窄の評価には、内視鏡的超音波検査と胆管造影が用いられた。

主要な成果:

  • 初期所見では胆管癌が示唆されたが、IgG4値の上昇や他の臓器への関与に基づき、後にIgG4-SCと診断が変更された。
  • 患者は、IgG4-SCに二次的に生じた可能性が高い、総胆管狭窄を伴う急性胆嚢炎を発症した。
  • ステロイド治療により、IgG4-SCおよび急性胆嚢炎の両方が著しく改善した。

結論:

  • IgG4-SCは、胆道閉塞や急性胆嚢炎などの合併症を引き起こす可能性がある。
  • IgG4-SCにおける良好な転帰のためには、迅速な診断とステロイド療法を含む適切な管理が不可欠である。
  • 本症例は、胆道狭窄および関連合併症の鑑別診断において、IgG4-SCを考慮することの重要性を強調する。

キーワード:
IgG4関連疾患硬化性胆管炎急性胆嚢炎胆道狭窄ステロイド治療

さらに関連する動画

The Role of Indocyanine Green Fluorescence in Complex Laparoscopic Cholecystectomy Navigation03:27

The Role of Indocyanine Green Fluorescence in Complex Laparoscopic Cholecystectomy Navigation

Published on: January 31, 2025

1.2K
Laparoscopic Cholecystectomy with Indocyanine Green Fluorescence: Choledochoscopic Stone Extraction and Primary Duct Suture04:02

Laparoscopic Cholecystectomy with Indocyanine Green Fluorescence: Choledochoscopic Stone Extraction and Primary Duct Suture

Published on: November 25, 2025

165

関連する概念動画

Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
743
Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
662
Chronic Pancreatitis II: Collaborative Care01:29

Chronic Pancreatitis II: Collaborative Care

The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
307
Acute Pancreatitis II: Clinical Manifestations and Management01:30

Acute Pancreatitis II: Clinical Manifestations and Management

Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...
736
Acute Pancreatitis I: Introduction01:27

Acute Pancreatitis I: Introduction

Pancreatitis is inflammation of the pancreas, an organ located behind the stomach. It can be either acute or chronic.
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:
1.1K
Gastritis-II: Pathophysiology01:17

Gastritis-II: Pathophysiology

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.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
1.2K