Titlebook: Anorectal and Colon Diseases; Textbook and Color A Ernst Stein Book 20031st edition Springer-Verlag Berlin Heidelberg 2003 Gastroenterology

fibula

不近人情

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Pseudoephedrine

Die Treiber der dritten Revolution,Pectenosis (.: chronic anal myofibrosis) is an uncommon chronic inflammatory condition in which fibrosis in the distal portion of the internal anal sphincter leads to a ring-shaped stenosis of the anal canal between the dentate and anocutaneous lines (Fig.1 p.4).

Homocystinuria

Die Treiber der dritten Revolution,The English physician, Sir James Y. Simpson, was the first to describe coccydynia in 1859. Today one distinguishes between traumatic and idiopathic forms [., ., ., .]. The latter occurs most commonly in middle-aged women, presenting with episodes of intense pain in the area of the coccyx and distal rectum.

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使残废

Anatomy of the Anorectal RegionA thorough knowledge of the anatomy, physiology, pathophysiology, and surgical pathology of the ano-rectal region is a prerequisite for understanding the pathogenesis of anorectal diseases and their appro-priate treatment.

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Physiology and Pathophysiology of Anorectal FunctionAnorectal continence and defecation describe the ability to both reflexively and intentionally retain the bowel contents and to release them at an appropriate time. The mechanisms insuring these capabilities are complex and involve a variety of structures.

Observe

The Proctologic ExaminationPositioning of the patient is of crucial importance for a comfortable and complete proctologic examination. Possible positions include the Sims (modified left lateral decubitus), prone jackknife (knee-chest), and dorsal lithotomy.

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Perianal Skin DiseasesA familiarity with the dermatologie disorders that frequently, or even only occasionally, appear in the perianal region is a requirement for a precise and logical approach to proctology.