نتایج جستجو برای: scan ultrasonography
تعداد نتایج: 120934 فیلتر نتایج به سال:
PURPOSE To distinguish the frequently misdiagnosed plateau iris eyes from pupillary block group and normal group, we compared the ocular biometrical parameters of them by A-scan ultrasongraphy. METHODS In total, we retrospectively reviewed general characteristics and ocular findings including ocular biometric measurements of 71 normal, 39 plateau iris, and 83 pupillary block eyes. RESULTS T...
introduction: renal length measurement is an important diagnostic clue in several urinary tract abnormalities. although ultra sonography is the most frequent used modality for renal size estimation, renal diameter assessment by 99mtc-dmsa scintigraphy is of great value. by now, pointing to the renal size in the 99mtc-dmsa scintigraphy report has not been recommended by guidelines. if the validi...
STUDY OBJECTIVES We determine the test performance of abdominal ultrasonography for detecting hemoperitoneum in blunt trauma patients with out-of-hospital or emergency department (ED) hypotension. METHODS We reviewed the medical records of all blunt trauma patients hospitalized at a Level I trauma center. Patients were included if they were older than 6 years and had out-of-hospital or ED hyp...
abstract background: misdiagnosis of the acute appendicitis may increase the rate of negative appendectomies, which involve a huge waste of resources and are sometimes associated with severe complications. furthermore, false negative result of ultrasonography (us) could lead to perforation of appendix. since ultrasonography is still the most common imaging technique used in iranian appendicitis...
PURPOSE To compare preoperative and postoperative ocular biometry in patients with iris-fixated phakic intraocular lens (pIOLs): Artisan and Artiflex. MATERIALS AND METHODS This study included 40 eyes with Artisan and 36 eyes with Artiflex pIOL implants. Anterior chamber depth (ACD) and axial length (AL) were measured by applanation ultrasonography (A-scan) and partial coherence interferometr...
Congenital tracheoesophageal fistulas are a common congenital anomaly that is usually diagnosed prenatally or during the neonatal period. The condition is usually characterized by an esophageal atresia associated with a communication between the trachea and the esophagus. Maternal polyhydramnios is commonly seen in cases of esophageal atresia. The diagnosis can be confirmed prenatally by ultras...
Introduction Wandering spleen is an extremely rare condition with a reported incidence of <0.2% of splenectomies and is characterized by excessive motility and displacement of the spleen from its normal site. Because of excessive motility and absence of normal fixation, complications are common. Thrombocytopenia and venous aneurysm are very rare. Diagnosis is made by abdominal ultrasonography a...
Mesenchymal hamartoma of the liver is the second most common benign liver tumor of childhood. Ultrasonography demonstrates a cystic lesion that may be very large. Computed tomographic scan will further establish the location and its relationship to vascular anatomy. Most will be amenable to gross total resection with clear margins. To illustrate the radiological and gross operative features, we...
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