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Cancer

Cancer

Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.

What is Cancer?

What is Cancer?

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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Cancer Therapies

Cancer Therapies

Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
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Cancer Prevention

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Some...

Cancer Cell Migration through Invadopodia

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Invadosome is a broad category of cell surface structures with proteolytic activity that degrades the extracellular matrix (ECM). Invadosomes are present in normal cell types, including macrophages, endothelial cells, and neurons, as well as tumor cells. Although the macrophage podosomes and tumor cell invadopodia are classified as invadosomes, they have different structures, molecular pathways, and functions. Podosomes are short structures that last for a few minutes. However,...

Adaptive Mechanisms in Cancer Cells

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Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
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Related Experiment Video

Updated: Dec 21, 2025

Dual-phase Cone-beam Computed Tomography to See, Reach, and Treat Hepatocellular Carcinoma during Drug-eluting Beads Transarterial Chemo-embolization

Dual-phase Cone-beam Computed Tomography to See, Reach, and Treat Hepatocellular Carcinoma during Drug-eluting Beads Transarterial Chemo-embolization

Published on: December 2, 2013

Anal Cancer.

Anne N Young¹, Elizabeth Jacob¹, Patrick Willauer¹

¹General Surgery Department, Bassett Medical Center, 1 Atwell Road, Cooperstown, NY 13326, USA.

The Surgical Clinics of North America

|May 14, 2020

Summary

This summary is machine-generated.

Anal cancer is a rare gastrointestinal malignancy. Early diagnosis and accurate staging are crucial for effective management of anal canal tumors, despite diagnostic challenges.

Keywords:

Adenocarcinoma Anal canal Anal cancer Squamous cell carcinoma

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Area of Science:

Gastroenterology
Surgical Oncology
Anorectal Diseases

Background:

Anal cancer is a rare malignancy, accounting for less than 5% of all gastrointestinal cancers.
Symptoms of anal canal cancer often mimic benign anorectal conditions, complicating diagnosis.
General surgeons require specialized knowledge of anal anatomy and a high index of suspicion for malignancy.

Purpose of the Study:

To review common anal canal tumors.
To outline diagnostic and management strategies for anal cancer.
To emphasize the importance of timely diagnosis, staging, and surveillance.

Main Methods:

Literature review of anal canal tumors.
Discussion of diagnostic approaches.
Overview of current management principles.

Main Results:

Anal cancer diagnosis can be challenging due to symptom overlap with benign conditions.
Effective management hinges on a thorough understanding of anal anatomy and prompt biopsy.
Successful therapy requires accurate staging and consistent follow-up.

Conclusions:

Timely diagnosis and accurate staging are fundamental for successful anal cancer treatment.
Routine surveillance is essential for monitoring treatment response and detecting recurrence.
A low threshold for biopsy is critical when anal canal malignancy is suspected.