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Scrambler therapy does not present toxicity and allows opioids dosage reduction, and it is also a repeatable treatment. Present novel data support that scrambler therapy seems to be effective for the treatment of cancer pain. Further evaluation in randomized and controlled clinical trials should be performed to confirm our findings.

"Fetus in fetu" is a rare pathologic feature consisting of a parasitic twin included within the body of the other twin. ' As reported by Lee,2 only 13 cases have been described since 1900. Nearly all cases were diagnosed during surgery within the first year ofWe report a case detected during a prenatal ultrasound examination as a fetal abdominal mass. CASE REPORTS.L., a 20-year-old woman in her first pregnancy, was referred to our Department at the 35th week for a suspected fetal anomaly detected elsewhere by means of ultrasound.Sonography showed a single fetus whose size was appropriate for gestational age (biparietal diameter = 91.6 mm; abdominal circumference = 31.7 cm). Fetal heart activity was present and normal and the amniotic fluid was of normal quantity. A fairly well defined, round mass, 40 mm in diameter, was evident anterior to the left fetal kidney and cranial to the urine bladder (Fig. 1).Irregular, strong echoes just in the middle of this "complex" mass were observed. Location in the kidney was excluded and a fetal teratoma suspected.At the 40th week, a male infant weighing 3340 g was vaginally delivered. Apgar score was 7 at 1 min and 9 at 5 min.A mobile abdominal mass was palpable in the left flank of the newborn child; no signs of urinary or gastroenteric tract involvement occurred and common laboratory results were normal.Ultrasonic examination at the first day of life confirmed the size and characteristics of the mass.