Laparoscopy is primarily useful in patients with suspected EP and a nondiagnostic sonogram. It may provide an earlier diagnosis and a possible route for definitive treatment when compared with serial bhCG measurements and sonography. Laparoscopy has a high sensitivity for the diagnosis of EP with low false-negative rates, reported to occur in 3 to 4 percent of cases. False-negative tests are presumably more common early in the course of EP. False-positive rates are somewhat greater, with rates of 1.6 to 6.2 percent; reported. As with other invasive techniques, results will vary with the skill of the operator and the quality of the available equipment. If a laparoscopist is available who is skilled in the diagnosis and laparoscopic treatment of EP, laparoscopy is a viable alternative, which may be accomplished rapidly and with low morbidity.
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