9 May 2019 A rigid instrument with a bevelled end called an anoscope is used. It is: Around 7 cm in length; 2 cm in diameter; Fitted with a light. Before the exam Anoscopy does not usually require any advance preparation . In some situations, your doctor may suggest an enema. During the exam An anoscopy is performed with the patient resting on their knees and chest or lying on their left side with bent legs. There are also special examination tables. The physician first performs a digital rectal exam and then inserts the lubricated anoscope into the anus to the rectum for a detailed examination of their interior. Tissue samples may be taken (biopsy), if necessary. After the exam The anoscope is slowly withdrawn when the examination is complete. As a rule, this exam is well tolerated. The patient may feel pressure or the need to defecate caused by the anoscope. What is anoscopy for? As a rule, this exam is performed for evaluation and diagnosis of: Causes of pain Anal or perianal inflammation or infection Haemorrhoids Rectal prolapse Anal fissures Anal fistulas Perianal abscesses Condyloma Rectal cancer Are there any risks in an anoscopy? An anoscopy is simple examination that is not usually associated with risks or complications. The patient may feel pain on insertion of the anoscope, but it soon passes. More rarely, rectal bleeding may occur. The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.
