リンパ節,臓,甲状腺 の 報告 システム - 第 1 部:リンパ節
Acta cytologica
|August 28, 2025
まとめ
リンパ節の精細針吸入生検 (FNAB) は貴重な診断ツールです. 世界保健機関 (WHO) の報告システムは,リンパ節細胞病理学を標準化し,世界的に診断の正確性と患者ケアを改善しています.
科学分野:
- 細胞病理学
- 腫瘍学
- 診断病理
背景:
- リンパ節の精細針吸入生検 (FNAB) は,リンパ腺病を評価する一般的な方法であり,速度,低コスト,最小限の侵入性などの利点があります.
- FNABサンプルは,微生物学的研究,腫瘍に対する免疫細胞化学,およびリンパ腫の疑いに対するフロー細胞測定を含む様々な補助検査をサポートします.
- リンパ節病理学におけるFNABの増加は,標準化された報告システムを必要とした.
研究 の 目的:
- 世界保健機関 (WHO) のリンパ節,臓,甲状腺細胞病理に関する報告システム (WHOシステム) を紹介し,説明する.
- WHOシステムが細胞病理学的発見に基づいてリンパ節病変の分類を標準化する方法を強調します.
- より明確で一貫した報告を通じて 診断の多様性を減らし,患者の管理を改善するシステムの役割を強調する.
主な方法:
- WHOシステムはリンパ節の病変を5つの診断グループに分類しています.不適切な/不十分な/診断不可能な,良性,非典型的,悪性への疑い,悪性です.
- 細胞形態と臨床画像データの統合は,良性病変と悪性病変を区別するために不可欠です.
- このシステムは,診断の正確性を向上させ,繰り返しの手順を減らすために,迅速な現場評価 (ROSE) を推奨しています.
主要な成果:
- WHOシステムは,リンパ節の病変を分類するための標準化され,信頼性の高い方法を提供し,より正確で再現可能な診断につながります.
- このシステムは,診断の不確実性を減らすことで,より良い臨床管理と治療決定を容易にする.
- 悪性腫瘍 (ROM) のリスクは診断カテゴリーによって異なるが",悪性腫瘍の疑い"と"悪性腫瘍"のカテゴリーではリスクが高くなる.
結論:
- WHOシステムはリンパ節細胞病理学を標準化し,学際的なコミュニケーションとリスクの階層化を改善する重要な進歩を表しています.
- 不十分なサンプル管理と非典型的病変の解釈は課題であり,多学科的なアプローチが必要である.
- WHOシステムは,様々なリンパ節病変の診断に不可欠なツールであり,治療の意思決定を最適化するために世界中で適用できます.
関連する概念動画
Detailed Structure and Function of Lymph Nodes
2.4K
Lymph nodes are bean-shaped structures that cluster along the lymphatic vessels in the inguinal, axillary, and cervical regions. Each node is divided into compartments by a capsule that extends trabeculae inward.
From a histological perspective, lymph nodes can be split into two main areas: the superficial cortex and the deep medulla. The outer cortex is populated by dendritic cells, macrophages, and B lymphocytes, which are densely packed into follicles. When these B-lymphocytes are presented...
From a histological perspective, lymph nodes can be split into two main areas: the superficial cortex and the deep medulla. The outer cortex is populated by dendritic cells, macrophages, and B lymphocytes, which are densely packed into follicles. When these B-lymphocytes are presented...
2.4K
Lymphoid Cells and Tissues
1.5K
Lymphoid cells and tissues are integral to the immune system, which is crucial in maintaining our body's defense against harmful pathogens. They form the building blocks of lymphoid organs, which include the spleen, thymus, and lymph nodes.
Lymphoid cells consist of various types of immune system cells. These include B and T lymphocytes, which are responsible for producing antibodies and killing infected cells, respectively. Dendritic cells act as messengers between the innate and adaptive...
Lymphoid cells consist of various types of immune system cells. These include B and T lymphocytes, which are responsible for producing antibodies and killing infected cells, respectively. Dendritic cells act as messengers between the innate and adaptive...
1.5K
Secondary Lymphoid Organs
3.2K
Secondary organs, including lymph nodes, the spleen, and mucosa-associated lymphoid tissue (MALT), work harmoniously to protect us from disease and infection.
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
The spleen is a vital organ in the lymphatic system, nestled in the upper left side of the abdomen. It is composed of two primary regions: the red pulp and the white pulp, each having distinct functions. The red pulp performs a significant role in blood filtration. It efficiently purges the blood of old or damaged red blood cells and...
3.2K
Primary Lymphoid Organs
5.9K
Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
5.9K
Functions of the Lymphatic and Immune System
4.2K
The lymphatic system plays a crucial role in bolstering our immune system. It consists of a network of lymphoid organs, lymph, and lymphatic vessels that provide structural and functional support in safeguarding the body against pathogens such as viruses and bacteria.
The primary lymphoid organs, including the bone marrow and the thymus, serve as the maturation sites for lymphocytes. Secondary lymphoid organs, like the mucosa-associated lymphoid tissue, activate these lymphocytes and serve as...
The primary lymphoid organs, including the bone marrow and the thymus, serve as the maturation sites for lymphocytes. Secondary lymphoid organs, like the mucosa-associated lymphoid tissue, activate these lymphocytes and serve as...
4.2K
Development of the Lymphatic System
1.1K
The development of lymphatic tissues and vessels in embryonic life begins around the fifth week. These structures originate from the mesoderm layer, with lymph sacs emerging from developing veins.
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
1.1K


