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The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
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The anterior neck muscles are the group of muscles covering the front part of the neck. These muscles are classified into three subgroups. The first one is the superficial muscles, the most visible muscles in the front of the neck. It includes the platysma and sternocleidomastoid. The second group is the suprahyoid muscles, located above the hyoid bone. This group comprises the digastric, mylohyoid, geniohyoid, and stylohyoid. Lastly, the infrahyoid muscles are found below the hyoid bone and...
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Related Experiment Video

Updated: Feb 15, 2026

Porcine As a Training Module for Head and Neck Microvascular Reconstruction
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A Collective Route to Head and Neck Cancer Metastasis.

Arutha Kulasinghe1,2, Henri Schmidt1,2, Chris Perry3,2

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Circulating tumor cell (CTC) clusters, not single CTCs, are linked to distant metastasis in head and neck cancer patients. This finding suggests CTC clusters may serve as a crucial prognostic marker for advanced disease.

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Area of Science:

  • Oncology
  • Cell Biology
  • Cancer Research

Background:

  • Distant metastasis (DM) from head and neck cancers (HNC) significantly worsens patient prognosis.
  • The specific cells responsible for seeding DM in HNC are not well understood.
  • Circulating tumor cells (CTCs) in peripheral blood are implicated in HNC metastasis, but the role of CTC clusters is understudied.

Purpose of the Study:

  • To investigate the presence and clinical significance of CTC clusters in treatment-naïve HNC patients.
  • To determine if CTC clusters are associated with the development of distant metastasis.
  • To explore the potential of CTC clusters as a prognostic marker in HNC.

Main Methods:

  • A pilot study involving 60 treatment-naïve HNC patients across various disease stages.
  • Utilized spiral CTC enrichment technology for the capture and analysis of CTCs and CTC clusters.
  • Assessed the presence of single CTCs, CTC clusters, and leukocyte-involved CTC clusters.

Main Results:

  • Single CTCs were detected in 30% of patients (Stage I-IV).
  • CTC clusters were identified in 25% of patients, exclusively in Stage IV disease.
  • The presence of CTC clusters was significantly associated with the development of distant metastatic disease (P=0.0313).
  • Leukocytes were found within 20% of CTC clusters.

Conclusions:

  • CTC clusters are present in patients with locally advanced HNC.
  • CTC clusters may represent an important prognostic marker for distant metastasis in HNC.
  • Further in vivo and in vitro studies are needed to elucidate the role of CTC clusters, particularly those involving leukocytes, in HNC metastasis.