OBJECTIVES Chest ultrasonography is a useful diagnostic tool for the detection of pleural effusions of different etiologies. Our purpose was to determine whether the echogenic swirling pattern identifiable on real-time chest ultrasonographic images is a predictor of malignant pleural effusions in patients with malignancies. DESIGN Medical records of patients undergoing chest ultrasonography i...

The purpose of this study was to evaluate the frequency of echogenic foci with comet-tail artifact in histologically proven thyroid nodules, and to determine the types of echogenic foci with comet-tail artifact that are associated with malignancy. We retrospectively analyzed the sonographic findings of echogenic foci with comet-tail artifact, present in thyroid nodules in 63 patients who underw...

OBJECTIVE In this study we aimed to compare the echogenic needles and the nerve stimulation addition to non-echogenic needles in ultrasound guided axillary brachial plexus block for upper extremity surgery. METHODS 90 patients were enrolled to the study. The patients were allocated into three groups randomly: Group E (n=30): ultrasound guided axillary block using echogenic needle, Group N (n=...

BACKGROUND Clear visibility of the needle and catheter tip is desirable to perform safe and successful ultrasound-guided peripheral nerve blocks. This can be challenging with deeper blocks in obese patients. This study compared the visibility of echogenic and non-echogenic block needles and catheters in proximal sciatic blocks when performed with a low-frequency curved probe. METHODS Seventy-...

BACKGROUND Diabetes mellitus is a common disease. Similarly, ultrasound findings of fatty change and renal crystals are commonly seen on ultrasound. In the personal observation of the main author over the past so many years it was noticed that Diabetes Mellitus, Fatty liver and renal crystals all sit well together. This study tries to establish a relationship between diabetes mellitus renal ech...

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the nasal cavity possesses many advantages as a site for drug delivery, such as, ease of administration, applicability for long term treatments and a large surface area for absorption. one important limiting factor for nasal drug delivery is the limited time available for absorption within the nasal cavity due to mucociliary clearance. several drug delivery systems including different kinds of ...

Eleven preterm infants (gestational ages 27-35 weeks) with echogenic paraventricular white matter identified shortly after birth were studied with serial echoencephalograms to fully delineate the sonographic findings characterizing the pathologic stages of white-matter necrosis. Echoencephalograms were compared with autopsy findings and CT scans. Cerebral function was assessed by electroencepha...

OBJECTIVE To describe the association between echogenic amniotic fluid and first-trimester fetal acrania. METHODS Nine fetuses with acrania were examined between 11 weeks' and 13 weeks 6 days' menstrual age for the presence of echogenic free-floating particles in the amniotic fluid. Cases were classified into 3 types according to the echogenicity of the amniotic fluid: similar to (type 0), sl...