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慢性肛裂是一种以远端肛管排粪后疼痛和便血为主要症状的肛管疾患 ,主要发生在肛管后正中线 ,也有少数发生在前正中线。其慢性表现在裂口远端及基底部内括约肌纤维的增生。多数慢性肛裂不经治疗不会自愈。内括约肌张力增高使肛膜血流减少是其发生的一个重要机制。现代手术采用
Chronic anal fissure is an anal canal disease with distal anal pain and blood in the stool as the main symptom, mainly occurring in the midline after the anal canal, with a few in the anterior midline. Its chronic manifestations include the proliferation of sphincter fibers in the distal part of the breach and in the basilar part. Most chronic anal fissure will not heal without treatment. Increased sphincter tension to reduce the flow of the anal membrane is an important mechanism of its occurrence. Adopt modern surgery