Related Experiment Video
Updated: Jul 6, 2026
03:55
Computer-Aided Three-Dimensional Visualization in the Treatment of Locally Advanced Thyroid Cancer
Published on: June 9, 2023
[Level VI and II-V cervical lymph node metastasis in differentiated thyroid carcinoma]
Zhen-dong Li1, Hui-lei Dong, Shu-chun Li
1Department of Head and Neck, Liao Ning Tumour Hospital, Shenyang 110042, China. zhdl-03@sohu.com
Summary
Cervical lymph node metastasis is common in differentiated thyroid carcinoma, occurring in 83.8% of patients. Metastasis in level VI does not predict lateral neck involvement, emphasizing the need for comprehensive surgical assessment.
Area of Science:
- Oncology
- Surgical Pathology
- Head and Neck Surgery
Context:
- Differentiated thyroid carcinoma (DTC) frequently involves cervical lymph nodes.
- Understanding metastasis patterns is crucial for surgical planning in DTC.
- Previous studies have not fully elucidated the distinct patterns of lymph node involvement.
Purpose:
- To investigate the characteristics of cervical lymph node metastasis in differentiated thyroid carcinoma.
- To provide evidence-based recommendations for surgical strategies in DTC.
- To analyze the relationship between lymph node metastasis in different cervical levels.
Summary:
- A retrospective analysis of 99 differentiated thyroid carcinoma patients revealed an 83.8% rate of cervical lymph node metastasis.
- Metastasis was significantly more common in lateral neck levels II-V (76.9%) compared to level VI (37.5%).
- Lymph node status in level VI did not correlate with metastasis in lateral neck levels, indicating distinct patterns.
Impact:
- Findings suggest that level VI lymph node status alone is insufficient to predict lateral neck metastasis.
- Highlights the importance of evaluating both lateral and central neck compartments during surgery for DTC.
- Supports tailored surgical approaches based on detailed nodal assessment for improved patient outcomes.
Related Concept Videos
01:24Graves Disease II: Pathophysiology
Graves’ disease is an autoimmune disorder characterized by the production of thyroid-stimulating immunoglobulins (TSI) that activate TSH receptors, leading to excessive synthesis and release of thyroid hormones (T3 and T4) and resulting in hyperthyroidism.Among all causes of hyperthyroidism, Graves’ disease is the most common and can happen at any age, though it is more frequent in women. It produces a hypermetabolic state with features such as weight loss, tachycardia, tremor, and heat...
01:27Hyperthyroidism II: Pathophysiology
Hyperthyroidism is a hypermetabolic state caused by elevated levels of thyroid hormones, triiodothyronine (T3) and thyroxine (T4). It results from dysregulation at the thyroid, pituitary, or immune system level and affects multiple organ systems.PathophysiologyThe most common cause of hyperthyroidism is Graves’ disease, an autoimmune disorder in which antibodies, specifically thyroid-stimulating antibodies (TSAb), a subtype of TSH receptor antibodies (TRAb), bind to and activate TSH receptors...
01:28Graves' Disease I: Introduction
Graves' disease is an autoimmune disorder that causes hyperthyroidism, or overactivity of the thyroid gland. It results from autoantibodies called thyroid-stimulating immunoglobulins (TSIs), which bind to thyroid-stimulating hormone (TSH) receptors, leading to overstimulation of hormone production and a hypermetabolic state.EtiologyAlthough considered idiopathic, Graves’ disease has well-established contributing factors. There is a strong genetic component, with increased prevalence in...
01:23The Thyroid Gland
The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
01:27Goiter
Goiter refers to an abnormal enlargement of the thyroid gland that may appear as a diffuse goiter (uniform enlargement) or nodular (single or multiple nodules). Functionally, it is classified as nontoxic (normal/low hormone levels) or toxic (excess hormone production).PathophysiologyDiffuse thyroid enlargement typically results from prolonged stimulation by thyroid-stimulating hormone (TSH) or TSH-like agents, commonly seen in hypothyroidism or iodine deficiency. In contrast, in hyperthyroid...
01:23Detailed Structure and Function of Lymph Nodes
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...