Pre-cancerous lesions of Anal Canal

 Screening for Anal Canal Cancer or precancerous lesions

The screening is done by either swab cytology of the anal canal or with the instrument which is used for colposcopy (high powered microscope)

 

Anal Canal Cytology

Technique of anal Cytology for collecting the specimen

The goal of anal cytology is to identify patients with cellular changes in the epithelial cells that line the anal canal; any patients with atypia are then referred to undergo high-resolution anoscopy. No specific preparation is necessary before anal cytology, though patients should be instructed to refrain from receptive anal sex and enemas for 24 hours before testing. If a digital rectal examination is performed in conjunction with anal cytology, the cytologic sample must be obtained before lubrication is introduced into the anal canal. The standard technique used in obtaining anal cytologic specimens involves inserting a water-moistened Dacron swab into the anal canal to above the squamocolumnar transition zone, approximately 2 cm (1 inch) from the anal verge. While mild external pressure is applied to the anal wall, the swab is gently manipulated in a craniocaudal and circular motion within the canal. After several rotations, the swab should be withdrawn and immediately immersed in methanol-based preservative-transport solution.

 

Anoscopy by high powered microscope (Anoscope / colposcope) for screening for intra-epithelial tumors of anal canal

The patient is put in jack knife position to expose anal canal. The anal canal is opened by inserting a Anal retractor (Czerny rectal speculum)


The anal canal is then screened segment by segment. The anal skin is treated with acetic acid 3% to 5% to see any aceto-white lesions and then treated with Lugol's iodine. Any area that does not take up the iodine is suspcious area and biopsy is taken from that area.

 

Anal Canal Cancer

Symptoms of Anal Canal Cancer

  1. Peri-anal / anal itching - Frequent itching in peri-anal area
  2. anal or peri-anal pain - if there is pain or tenderness in or around anal area or in anal canal
  3. Bleeding per rectum (bleeding PR) - Frequent anal bleeding during passing of feces or even without motion
  4. Feeling of hardened area or lump close the rectal opening
  5. offensive anal discharge or smelly discharge
  6. altered or Improper bowel movements

 

 

 

 

PAnal Cancer Symptoms Even though identifying the presence of anal cancer when it is still forming is crucial, it turns out that it is quite difficult to do this because many anal cancer symptoms don’t occur until it reaches advanced stages. But, with every progress it makes, people have a chance to identify new symptoms. This is a list of some of the most common anal cancer symptoms: Frequent itching in this area Tenderness or pain in the anus Frequent anal bleeding A hardened area or lump close the rectal opening Odd anal discharge Improper bowel movements.

Source: https://instiks.com/6-warning-signs-of-anal-cancer-nobody-want-to-talk-about/
Anal Cancer Symptoms Even though identifying the presence of anal cancer when it is still forming is crucial, it turns out that it is quite difficult to do this because many anal cancer symptoms don’t occur until it reaches advanced stages. But, with every progress it makes, people have a chance to identify new symptoms. This is a list of some of the most common anal cancer symptoms: Frequent itching in this area Tenderness or pain in the anus Frequent anal bleeding A hardened area or lump close the rectal opening Odd anal discharge Improper bowel movements.

Source: https://instiks.com/6-warning-signs-of-anal-cancer-nobody-want-to-talk-about/
Anal Cancer Symptoms Even though identifying the presence of anal cancer when it is still forming is crucial, it turns out that it is quite difficult to do this because many anal cancer symptoms don’t occur until it reaches advanced stages. But, with every progress it makes, people have a chance to identify new symptoms. This is a list of some of the most common anal cancer symptoms: Frequent itching in this area Tenderness or pain in the anus Frequent anal bleeding A hardened area or lump close the rectal opening Odd anal discharge Improper bowel movements.

Source: https://instiks.com/6-warning-signs-of-anal-cancer-nobody-want-to-talk-about/
Anal Cancer Symptoms Even though identifying the presence of anal cancer when it is still forming is crucial, it turns out that it is quite difficult to do this because many anal cancer symptoms don’t occur until it reaches advanced stages. But, with every progress it makes, people have a chance to identify new symptoms. This is a list of some of the most common anal cancer symptoms: Frequent itching in this area Tenderness or pain in the anus Frequent anal bleeding A hardened area or lump close the rectal opening Odd anal discharge Improper bowel movements.

Source: https://instiks.com/6-warning-signs-of-anal-cancer-nobody-want-to-talk-about/
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