Related Experiment Video
Updated: Jun 12, 2026
07:12
Establishment of a Simple and Effective Rat Model for Intraoperative Parathyroid Gland Imaging
Published on: August 17, 2022
Nonfunctional parathyroid cyst: case report
Carlos Eduardo Molinari Nardi1, Ricardo Adriano Nasser Barbosa da Silva, Cynthia Maria Massarico Serafim
1Hospital Ana Costa, Santos, São Paulo, Brazil.
Summary
Parathyroid cysts are rare neck masses, often asymptomatic. Surgical excision is the recommended treatment for these benign parathyroid lesions.
Area of Science:
- Endocrinology
- Surgical Pathology
Background:
- Parathyroid cysts are rare, with fewer than 300 reported cases.
- Inferior parathyroid glands, particularly on the left, are most frequently affected.
- Cysts can be functional or nonfunctional, correlating with hypercalcemia status.
Observation:
- A 25-year-old male presented with an asymptomatic left neck mass.
- Ultrasound identified a cystic structure adjacent to the left thyroid lobe.
- Normal serum ionic calcium levels were recorded.
Findings:
- Histological examination confirmed the presence of a parathyroid cyst.
- The patient underwent successful left thyroid lobectomy with cyst excision.
- Parathyroid cysts commonly manifest as asymptomatic neck masses.
Implications:
- Surgical excision is the primary treatment modality for parathyroid cysts.
- This case contributes to the limited literature on parathyroid cyst management.
- Early diagnosis and surgical intervention ensure favorable outcomes.
Related Concept Videos
00:59The Parathyroid Glands
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 producing...
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 producing...
00:51Synthesis and Functions of Calcitonin
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...
01:19Appendicitis
Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...