Imaging of Hereditary Internal Anal Sphincter Myopathy
نویسندگان
چکیده
منابع مشابه
Internal anal sphincter: Clinical perspective.
OBJECTIVE To summarise current knowledge of Internal anal sphincter. BACKGROUND The internal anal sphincter (IAS) is the involuntary ring of smooth muscle in the anal canal and is the major contributor to the resting pressure in the anus. Structural injury or functional weakness of the muscle results in passive incontinence of faeces and flatus. With advent of new assessment and treatment mod...
متن کاملHypertrophic myopathy of the internal anal sphincter: a rarely recognized cause of proctalgia.
Muscular hypertrophy of the internal anal sphincter in association with proctalgia was first described a few years ago, but has remained largely unnoticed (1-4). In some cases autosomal-dominant inheritance has been demonstrated. Physical examination identifies an enlarged anal sphincter, which sometimes the patient has already noticed. This muscular mass may mimic an anal tumor and even hamper...
متن کاملPhysio-pathology of the internal anal sphincter.
In normal physiological studies, using electrical, manometric, or cinematographic methods, it is practically impossible to separate the role of the internal sphincter from that of the other elements of the functional ensemble forming the anal sphincteric system (Aron and Thouvenot, 1962; Lawson and Nixon, 1967; Schnaufer et al., 1967). It is only by studying the pathology of the area that it is...
متن کاملInternal anal sphincter augmentation and substitution
There is an increasing recognition of the importance of internal anal sphincter (IAS) dysfunction presenting as passive faecal incontinence. This problem may manifest after anal sphincterotomy or following the more minimally invasive operations for haemorrhoids, as well as with advancing age. Because of the poor results of IAS plication and the beneficial outcomes with peri-urethral bulking age...
متن کاملInternal anal sphincter evaluation using 3D anal ultrasound.
A 42 year-old male, with no relevant medical history except surgery three years before for chronic anal fissure in another center (without information regarding type of surgery), attended outpatient clinic for several week-history of anal pain. The patient related a sudden anal pain without irradiation and without relationship with defecation that improved with flexion of the lower extremities....
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ژورنال
عنوان ژورنال: Clinical Radiology Extra
سال: 2003
ISSN: 1477-6804
DOI: 10.1016/s1477-6804(03)00012-8