Central Neck Dissection
Central Neck Dissection - Related Videos
06:05
Modified Radical Neck Dissection for Cervical Metastasis
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Here, we present a protocol for radical neck dissection integrating oncologic resection, cranial nerve preservation, and functional reconstruction in cervical metastasis.
09:53
Neck Exam
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Source: Robert E. Sallis, MD. Kaiser Permanente, Fontana, California, USA Examination of the neck can be a challenge because of the many bones, joints, and ligaments that make up the underlying cervical spine. The cervical spine is composed of seven vertebrae stacked in gentle C-shaped curve. The anterior part of each vertebra is made up of the thick bony body, which is linked to the body above and below by intervertebral discs. These discs help provide stability and shock absorption to the...
08:00
Dissection and Isolation of Murine Glia from Multiple Central Nervous System Regions
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Cited by 4 •
2020
Here we present a protocol for in vitro isolation of multiple glial cell populations from a mouse CNS. This method allows for the segregation of regional microglia, oligodendrocyte precursor cells, and astrocytes to study the phenotypes of each in a variety of culture systems.
08:59
A Model for Perineural Invasion in Head and Neck Squamous Cell Carcinoma
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Cited by 21 •
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Perineural invasion (PNI) is a common feature of head and neck squamous cell carcinoma (HNSCC), conferring lower survival rates. Its mechanisms are poorly understood. Utilizing neurites generated from murine dorsal root ganglia confined to a semisolid matrix, the pathways involved in the PNI of HNSCC cell lines can be investigated.
01:25
The Central Dogma
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2019
Overview The central dogma of biology states that information encoded in the DNA is transferred to messenger RNA (mRNA), which then directs the synthesis of protein. The set of instructions that enable the mRNA nucleotide sequence to be decoded into amino acids is called the genetic code. The universal nature of this genetic code has spurred advances in scientific research, agriculture, and medicine. RNA Is the Missing Link between DNA and Proteins In the early 1900s, scientists discovered...
FAQs
These structures lie near the lymphatic tissue being removed, so their preservation is a central operative priority. Injury to a recurrent laryngeal nerve can produce nerve-related complications, while damage affecting the parathyroid glands can contribute to hypocalcemia. Careful identification helps balance removal of potentially involved nodes with protection of essential nearby anatomy.
Therapeutic surgery addresses lymph nodes known to contain metastatic disease. Prophylactic surgery is considered when metastasis has not been established but the anticipated value of removing central-compartment tissue may justify the operation in selected cases. The distinction reflects whether the procedure responds to documented regional disease or aims to manage potential spread.
Pathologic examination converts the removed tissue into evidence about disease extent. Findings can help show whether regional lymphatic spread is present, support staging, and guide subsequent treatment decisions. They also contribute to estimating recurrence risk, making pathology important not only for diagnosis but also for planning management after the operation.
The principal safety concern is preserving function while removing the target tissue. Injury to the recurrent laryngeal nerves is a recognized nerve-related complication, while problems involving the parathyroid glands can lead to hypocalcemia. Identifying and preserving these structures during dissection helps surgeons pursue adequate lymphatic removal while limiting harm to nearby anatomy.
The operation centers on dissecting the pretracheal, paratracheal, and prelaryngeal nodal groups, while the surgeon identifies nearby recurrent laryngeal nerves and parathyroid glands for preservation. Once the selected lymphatic tissue is removed, it can undergo pathologic examination. This sequence links the surgical objective with later assessment of disease extent.
The procedure may be considered when thyroid cancer requires treatment of known central-compartment metastases or when nodal status is needed for staging. In selected situations, surgeons may perform it prophylactically even without established metastasis. The resulting pathology can then inform subsequent treatment and recurrence-risk assessment, connecting operative findings with broader cancer management.