Goodsall's rule
Goodsall's rule relates the external opening (in the perianal skin) of an anal fistula to its internal opening (in the anal canal). It states that if the perianal skin opening is posterior to the transverse anal line, the fistulous tract will open into the anal canal in the midline posteriorly, sometimes taking a curvilinear course. A perianal skin opening anterior to the transverse anal line is usually associated with a radial fistulous tract. The investigation of choice for anal fistulas is magnetic resonance imaging (MRI). Fistulograms can be used to demonstrate the track of the fistula.
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Goodsall's rule
Goodsall's rule relates the external opening (in the perianal skin) of an anal fistula to its internal opening (in the anal canal). It states that if the perianal skin opening is posterior to the transverse anal line, the fistulous tract will open into the anal canal in the midline posteriorly, sometimes taking a curvilinear course. A perianal skin opening anterior to the transverse anal line is usually associated with a radial fistulous tract. The investigation of choice for anal fistulas is magnetic resonance imaging (MRI). Fistulograms can be used to demonstrate the track of the fistula.
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Goodsall's rule relates the ex ...... sall who described it in 1900.
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Goodsall's rule relates the ex ...... rate the track of the fistula.
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Goodsall's rule
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