Abstract
Functional and organic alterations such as sclerosis of the internal anal sphincter muscle are often discussed as a cause of proctologic diseases. Systematic histopathologic examinations of this muscle are rare, although the internal anal sphincter is of primary significance for the continence of the anal canal and its functional efficiency. The authors believe that the degree of formation of connective tissue in this unstriated muscle depends on the age of the examined specimen. The authors can demonstrate that sclerosis is a physiologic process of aging.
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References
GemsenjÄger E, Ohnacker H. Die Sklerose des Sphincter ani internus. Schweiz Med Wochenschr 1972;102:336–9.
Klosterhalfen B, Vogel P, Rixen H, Mittermayer C. Topography of the inferior rectal artery: a possible cause of chronic, primary anal fissure. Dis Colon Rectum 1989;32:43–52.
Klosterhalfen B, Vogel P, Dohrenbusch J, Mittermayer C. Modelle zur Pathogenese der analen Kryptitis mit besonderer Berücksichtigung der Kryptenverteilung und der Durchblutung des Analkanals. Colo-Proctology 1988;10:307–10.
Miles WE. Observations upon internal piles. Surg Gynecol Obstet 1919;29:497–506.
Miles WE. Rectal surgery. London: Cassdell & Co, 1944, Chapter 8:47.
Abel AL, Lond MS. The pecten: pectenosis and pectenotomy. Lancet 1932;1:714–8.
Morgan JW. Pectenosis and inner maladies of the anal region. Surg Gynecol Obstet 1934;59:806–9.
Fine J, Lawes CH. On the muscle-fibres of the anal submucosa, with special reference to the pecten band. Br J Surg 1940;27:723–7.
Eisenhammer S. The internal anal sphincter: its surgical importance. S Afr Med J 1953;27:266–70.
Shafik A. A new concept of the anatomy of the anal sphincter mechanism and the physiology of defecation. X: Anorectal sinus and band: anatomic nature and surgical significance. Dis Colon Rectum 1980;23:170–9.
Kuypers HC. Is there really sphincter spasm in anal fissure? Dis Colon Rectum 1983;26:493–4.
Hancock BD. The internal sphincter and anal fissure. Br J Surg 1977;64:92–5.
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Klosterhalfen, B., Offner, F., Topf, N. et al. Sclerosis of the internal anal sphincter—A process of aging. Dis Colon Rectum 33, 606–609 (1990). https://doi.org/10.1007/BF02052217
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DOI: https://doi.org/10.1007/BF02052217