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Related Concept Videos

Tumor Progression02:07

Tumor Progression

Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
Colon cancer is one of the best-documented examples of tumor progression. Early mutation in the APC gene in colon cells causes a small growth on the colon wall called a polyp. With time, this polyp grows into a benign, pre-cancerous tumor. Further...
Tumor Progression02:07

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Tumor progression is a phenomenon where the pre-formed tumor acquires successive mutations to become clinically more aggressive and malignant. In the 1950s, Foulds first described the stepwise progression of cancer cells through successive stages.
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Related Experiment Video

Updated: Jun 27, 2026

Intracarotid Cancer Cell Injection to Produce Mouse Models of Brain Metastasis
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Carotid Body Tumors: From Basic to Clinical Practice.

Jiazhi Yu1, Wanzhong Yuan2, Kangxi Cao1

  • 1Department of Neurosurgery, Peking University Third Hospital, Beijing, China.

Vascular and Endovascular Surgery
|October 23, 2025
PubMed
Summary

Carotid body tumors (CBTs) are rare neck neoplasms. This review synthesizes evidence on CBT epidemiology, pathophysiology, clinical features, and treatments, aiding clinicians in diagnosis and management.

Keywords:
carotid body tumorscomplicationepidemiologypathogenesissurgerytreatment

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Area of Science:

  • Oncology
  • Vascular Surgery
  • Genetics

Background:

  • Carotid body tumors (CBTs) are rare neoplasms originating from the carotid body.
  • A comprehensive understanding of CBTs is crucial for clinicians and researchers.
  • Existing literature requires synthesis to improve diagnostic and therapeutic strategies.

Purpose of the Study:

  • To provide a comprehensive overview of carotid body tumors (CBTs).
  • To cover epidemiology, pathophysiology, clinical manifestations, treatment modalities, and complications.
  • To synthesize current evidence for enhanced clinical understanding and research.

Main Methods:

  • A narrative literature review was conducted.
  • Relevant studies were identified through a systematic search of electronic databases, primarily PubMed.
  • Data on epidemiology, pathogenesis, clinical features, treatments, and complications were thematically analyzed.

Main Results:

  • Global incidence of CBTs shows a slight increase but remains uncommon.
  • Pathogenesis involves genetic predisposition, chronic hypoxia, and geographical factors.
  • Clinical presentation varies (neck mass, carotid sinus syndrome, voice changes); treatment options include surgery, radiotherapy, and embolization, with surgery carrying risks like nerve injury and stroke.

Conclusions:

  • A thorough understanding of CBTs is vital for refining diagnostic and therapeutic strategies.
  • Integrated knowledge is expected to improve patient survival and quality of life.
  • Further research into rare complications like baroreceptor reflex failure is warranted.