A safe, inexpensive, and expedient real-time ultrasound-directed thoracentesis technique that uses a unique closed needle-syringe assembly is described. No pneumothorax has occurred over a four-year period using this technique with 110 patients.

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Three cases of echogenic objects in the uterine cavity are reported. These objects had ultrasonographic characteristics of contraceptive intrauterine devices (IUDs) and, in the absence of patients' medical histories, would almost certainly have been wrongly identified as such. The authors demonstrate that noncontraceptive intrauterine objects can mimic IUDs.

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