Related Experiment Video
Updated: Aug 19, 2025
10:19
Substernal Thyroid Biopsy Using Endobronchial Ultrasound-guided Transbronchial Needle Aspiration
Published on: November 10, 2014
25.7K
A Silent Non-thyroidal Adenoma in the Thyroid.
Deviprasad Dosemane1, Meera Niranjan Khadilkar1, Hema Kini2
1Department of Otorhinolaryngology and Head and Neck Surgery, Kasturba Medical College, Mangalore, Manipal Academy of Higher Education, Manipal, Karnataka 575001 India.
Summary
Clinically significant thyroid nodules require careful assessment. This case highlights an unusual thyroid nodule that could indicate aggressive thyroid cancer or ectopic parathyroid glands.
Area of Science:
- Endocrinology
- Surgical Pathology
- Oncology
Background:
- Thyroid nodules are common, but assessment is crucial for identifying malignancy.
- Clinically significant nodules may represent aggressive thyroid cancer or ectopic parathyroid glands.
Purpose of the Study:
- To discuss an unusual case of a thyroid nodule.
- To emphasize the importance of clinical assessment for thyroid nodules.
Main Methods:
- Case report review.
- Clinical assessment of thyroid nodules.
Main Results:
- An unusual thyroid nodule was identified.
- The nodule's potential implications for thyroid cancer or parathyroid pathology were considered.
Conclusions:
- Thorough clinical evaluation is essential for managing thyroid nodules.
- Unusual presentations warrant careful consideration of differential diagnoses, including aggressive thyroid cancer and ectopic parathyroid tissue.
Related Concept Videos
01:23The Thyroid Gland
4.1K
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...
4.1K
01:20Synthesis and Regulation of Thyroid Hormones
4.9K
Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
4.9K
01:18Functions of Thyroid Hormones
3.0K
The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
3.0K
00:59The Parathyroid Glands
2.3K
The two pairs of parathyroid glands embedded within the posterior surface of the thyroid gland are restricted by a dense capsule around them. These glands comprise two distinct cell populations—parathyroid oxyphil and parathyroid principal cells- pivotal in calcium homeostasis.
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by...
Oxyphil cells, whose functions remain elusive, emerge during late puberty, adding a layer of complexity to the parathyroid gland's intricacies. In contrast, principal parathyroid cells undertake a vital role by...
2.3K
01:27Angina II: Classification
19
Angina, also known as angina pectoris, is a chest pain resulting from diminished blood flow to the heart muscle and is often a symptom of coronary artery disease. Angina presents several variants with distinctive attributes, etiologies, and therapeutic approaches. The main types of angina include stable, unstable, variant (Prinzmetal's), microvascular, intractable, and silent ischemia.Stable angina is caused by atherosclerosis, which leads to the formation of plaques that narrow the coronary...
19
00:51Synthesis and Functions of Calcitonin
2.1K
Calcitonin, a vital polypeptide hormone, regulates calcium levels within body fluids. It is released by the parafollicular cells, also known as C cells, situated in the follicular epithelium of the thyroid gland. Calcitonin responds to fluctuations in blood calcium levels and the influence of gastrointestinal hormones like gastrin and cholecystokinin.
The exact mechanisms by which calcitonin operates in calcium homeostasis remain elusive, but its significance is evident in several vital...
The exact mechanisms by which calcitonin operates in calcium homeostasis remain elusive, but its significance is evident in several vital...
2.1K