The Anal Cancer Handbook: Causes, Symptoms and Treatment

Anal cancer is one type of cancer that often gets overshadowed by its more prevalent counterparts. This coupled with the stigma around it means that most people are unaware of what anal cancer looks like, or its causes and risk factors.
 
This comprehensive handbook aims to shine a light on anal cancer, providing valuable insights into its causes, symptoms, and available treatments.

Understanding What is Anal Cancer

Anal cancer is considered rare in India. It affects the cells around or just inside the anal opening. This cancer often goes undetected and is diagnosed at a much-advanced stage. This is because it is often asymptomatic, particularly in the early stages.
 
While this kind of cancer is often associated with men, it is important to note that 2/3rd of all anal cancer cases occur in women rather than men. This means that understanding the causes and risk factors of anal cancer is important regardless of one’s gender. Let’s take a look at what causes anal cancer.

Anal Cancer Causes

Anal cancer is often linked to persistent infection with the human papillomavirus (HPV), particularly high-risk strains like HPV 16 and 18. In fact, over 90% of anal cancers are caused by HPV infection alone. This link between HPV and anal cancer makes HPV prevention measures important. HPV vaccine can help protect individuals against HPV infection as well as against certain HPV-related cancers.
 
Other risk factors for anal cancer include:

1. Immunosuppression: Individuals with weakened immune systems, such as those with HIV or organ transplant recipients, face an increased risk.
2. Anal Infections: Certain sexually transmitted infections can elevate the risk of anal cancer.
3. Sexual habits: Sexual practices such as having multiple sexual partners or engaging in anal sex can increase the risk of HPV.
4. Smoking: Cigarettes have been associated with an elevated risk of anal cancer.

A history of other HPV-related cancers, such as cervical cancer, can also increase your risk of anal cancer.

Anal Cancer Symptoms:

Recognising anal cancer symptoms is crucial for early detection and prompt medical attention. Some common symptoms of anal cancer include:

1. Unexplained bleeding from the anus
2. Feeling pain around the anus
3. Mass-like growths around the anus
4. Persistent itching
5. Discharge such as mucus or pus
6. Changes in regular bowel movements

While these symptoms may indicate anal cancer, they could also be associated with less serious conditions such as haemorrhoids. Seeing a doctor can help narrow down the cause of the symptoms, and help you get a proper diagnosis.

Anal Cancer Diagnosis:

If anal cancer is suspected, a healthcare professional may perform the following diagnostic procedures:

1. Digital Rectal Exam (DRE): A physical examination to assess the rectum for abnormalities.
2. Anoscopy: Examination of the anal canal with a small scope.
3. Biopsy: Removal of a small tissue sample for laboratory analysis to confirm the presence of cancerous cells.

Anal Cancer Treatment:

The approach to anal cancer treatment depends on the stage and extent of the disease. Common treatment options may include:

1. Chemoradiation: A combination of chemotherapy and radiation therapy is often the primary treatment for anal cancer.
2. Surgery: In some cases, surgery may be recommended to remove the tumour or affected tissue.

Understanding anal cancer is a crucial step toward early detection and effective management. By familiarising ourselves with the causes, recognising potential symptoms, and staying informed about available anal cancer treatments, we can empower individuals to take control of their health. This handbook is a guide to navigating the complex landscape of anal cancer, fostering awareness and encouraging open conversations that contribute to a proactive approach to healthcare. 

Remember, knowledge is a powerful tool, and in the case of anal cancer, it can make a significant difference in outcomes and quality of life.

Disclaimer: HPV – Human Papillomavirus. This information is intended for awareness purposes only and should not be considered a substitute for professional medical advice. Please consult your doctor.

*Image for representation purpose only

IN-GSL-00882 – 21/2/2024 – 1/2/2026