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臓の周周帯状上皮細胞腫瘍の最も若い症例が知られている
Laura Gilligan1,2, Wesley C Judy1,2, Bryan Clary3
1Divisions of Gastroenterology, Hepatology, and Nutrition Rady Children's Hospital San Diego California USA.
JPGN reports
|February 16, 2026
まとめ
この報告書は,8歳の小児における臓周血管上皮質細胞腫瘍 (PEComa) の最年少症例を詳細に記載しています. 良性腫瘍は切除に成功し,再発の兆候は見られなかった.
科学分野:
- 腫瘍学 腫瘍学
- 胃腸内科 胃腸内科
- 小児外科手術について
背景:
- 周周血管性上皮細胞腫瘍 (PEComas) は,稀なメゼンキーマ性腫瘍である.
- 臓ペコマは極めてまれで,限られた小児症例が報告されています.
- この研究は,パンクレアスのPEComaの最も若い文書化された例を示しています.
研究 の 目的:
- 臓周血管性エピテリオイド細胞腫瘍 (PEComa) の最も若い症例を報告する.
- 小児性臓PEComaの診断と管理戦略を強調する.
- 小児の集団におけるPEComaの理解に貢献する.
主な方法:
- 腹痛と胆道阻塞の8歳の女性の症例報告.
- 磁気共振コレンジオパンクレアトグラフィー (MRCP) を含む診断イメージング.
- 組織診断のための内視逆行性胆血管パンクレアトグラフィー (ERCP),内視超音波 (EUS),細針アスピレーション (FNA).
- 組織病理学的検査と免疫組織化学検査により,PEComaが確認されました.
主要な成果:
- 患者は,胆道阻害を示す症状を示した.
- 画像検査では,臓の塊が阻害を引き起こしていることが判明しました.
- 良性臓PEComaの診断は,組織病理学と免疫ヒストキミストリーで確認されました.
- 腫瘍は手術によって切除され,成功しました.
- 術後フォローアップでは,腫瘍の再発の証拠は示されなかった.
結論:
- 臓ペコマは稀ですが,子供にも発生することがあります.
- 先進的なイメージングと組織サンプリングによる早期診断は極めて重要です.
- 手術による切除は,良性臓PEComaの効果的な治療法です.
- 典型的なPEComa管理と一致する長期監視が推奨されます.
関連する概念動画
01:16Cells and Secretions of the Pancreas
The pancreas, a vital organ within the abdominal cavity, plays dual roles in the digestive and endocrine systems, collaborating with exocrine and endocrine cells to maintain optimal digestion and blood sugar levels.
Exocrine function is carried out by acinar cells, organized into clusters known as acini. These cells contribute to digestion by releasing substantial quantities of enzyme-rich, alkaline digestive juices.
Concurrently, the dispersed clusters of endocrine cells throughout the...
Exocrine function is carried out by acinar cells, organized into clusters known as acini. These cells contribute to digestion by releasing substantial quantities of enzyme-rich, alkaline digestive juices.
Concurrently, the dispersed clusters of endocrine cells throughout the...
01:19Pancreas
The pancreas, an essential organ in the human body, is a pinkish-gray elongated structure located posterior to the stomach. It extends laterally from the duodenum towards the spleen and is firmly bound to the posterior wall of the abdominal cavity. The organ's surface has a lumpy, lobular texture that gives it a unique appearance.
The broad head of the pancreas lies within the loop formed by the duodenum, while its slender body reaches towards the spleen. The tail of the pancreas is short and...
The broad head of the pancreas lies within the loop formed by the duodenum, while its slender body reaches towards the spleen. The tail of the pancreas is short and...
01:27Acute 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:
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:
01:25Acute Pancreatitis I: Introduction
Acute pancreatitis is the sudden inflammation of the pancreas caused by the early activation of digestive enzymes, leading to the autodigestion of pancreatic tissue. This results in local inflammation and, in severe cases, systemic complications.EtiologyUnderstanding the underlying causes is crucial, as identifying the etiology guides treatment and anticipates complications. Acute pancreatitis can be triggered by various factors, typically grouped into the following clinical categories.Biliary...
01:21Acute Pancreatitis II: Pathophysiology
The pathophysiology of acute pancreatitis centers on injury to pancreatic acinar cells, which initiates a cascade of harmful intracellular events.This injury leads to premature activation of trypsinogen to trypsin in the pancreas. Trypsin then activates other digestive enzymes, such as chymotrypsin, elastase, and phospholipase A2, which begin breaking down pancreatic tissue. The resulting autodigestion causes local inflammation, tissue swelling, hemorrhage, and fat necrosis.Injured acinar cells...
01:21Chronic Pancreatitis II: Pathophysiology
Chronic pancreatitis is a progressive and irreversible inflammation of the pancreas, most often caused by long-term alcohol abuse, but it can also be related to ductal obstruction, smoking, or genetic factors.Chronic pancreatitis occurs when the pancreas is repeatedly exposed to harmful agents like alcohol, smoking, ductal obstruction, or genetic predisposition. These factors lead to the release of toxic metabolites and inflammatory cytokines, sustaining chronic inflammation in the pancreatic...