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Metastasis02:30

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Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
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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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Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
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Cells and tissues must meticulously coordinate their activities for the normal functioning of the human body. Therefore, they exhibit socially responsible behavior - resting, growing, dividing, differentiating, or dying - for the organism’s benefit. Cancer arises when cells divide uncontrollably and invade other tissues or organs.
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A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
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Author Spotlight: Unlocking the Mysteries of Oral Potential Malignancies
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Molecular Insights into Oral Malignancy.

Anuja Deshmukh1, Karthik Nagaraja Rao2, Ripu Daman Arora3

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Indian Journal of Surgical Oncology
|July 5, 2022
PubMed
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Oral squamous cell carcinoma survival remains poor. Understanding molecular markers and genetic pathways is key to improving early detection and personalized treatment for oral cancers.

Keywords:
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Area of Science:

  • Oral oncology
  • Molecular pathology
  • Cancer genomics

Background:

  • Squamous cell carcinoma accounts for 95% of oral malignancies.
  • Despite diagnostic and therapeutic advances, 5-year survival rates for oral cancer have stagnated.
  • Individualized cancer therapy necessitates a deeper understanding of molecular pathways.

Purpose of the Study:

  • To review recent advancements in oral carcinogenesis.
  • To explore molecular markers for predicting malignant transformation.
  • To discuss the integration of novel molecular tests into clinical practice.

Main Methods:

  • Literature review of recent concepts and knowledge.
  • Analysis of molecular pathways in oral cancer development.
  • Investigation of genomic instability and expression regulators (e.g., miRNA).

Main Results:

  • Significant progress in understanding oncogenesis and molecular detection methods for oral cancers.
  • Identification of biomarkers (genomic instability, miRNA, gene/protein markers) for predicting malignant transformation of premalignant lesions.
  • Molecular biomarkers in oncology are rapidly evolving.

Conclusions:

  • Enhanced knowledge of genetic processes and cancer natural history can improve clinical outcomes.
  • A comprehensive understanding of genetic pathways is crucial for integrating novel molecular tests into clinical practice.
  • This review highlights key molecular concepts and markers in oral carcinogenesis.