نتایج جستجو برای: doppler sonography
تعداد نتایج: 51736 فیلتر نتایج به سال:
Foils coated with specific cholesterol esters indicate differences in temperature by changes in color. When these foils are placed on the skin, the skin temperature measured is related to the perfusion provided by the vessels supplying this area of the skin. A group of 300 patients were examined simultaneously with plate thermography and directional Doppler sonography in order to detect obstruc...
Congenital neck masses in children are a relatively frequent finding. To the clinicians, they may pose various diagnostic and therapeutic dilemmas and high-resolution sonography is therefore a method of choice. Differential diagnosis of paediatric congenital neck masses primarily includes the presence of hemangioma, lymphangioma, thyreoglossal and branchial cleft cysts. The aim of this paper is...
Transvaginal color flow and pulsed Doppler sonography has shown promise in the evaluation and characterization of adnexal masses and may ultimately play a role in ovarian cancer screening.',' A relative increase in the diastolic flow in malignant lesions has been previously reported. Pathologic evidence suggests that this phenomenon reflects the paucity of smooth muscle within tumor vessels alo...
Round ligament varicosities during pregnancy are rare, and can easily be mistaken for an inguinal hernia. On physical examination, round ligament varicosities and groin hernia are difficult to distinguish. The diagnosis of round ligament varicosities can be established on gray-scale and color Doppler sonography. We experienced a case of round ligament varicosities in which a 29-year-old woman p...
BACKGROUND: A 63-year-old woman with chronic atrial fibrillation treated with warfarin was admitted to emergency for coma and complete vertical gaze palsy. Investigations: Brain CT and MRI, echo-colour Doppler sonography of the supraaortic vessels, angio-CT of the intracranial vessels, EEG, transesophageal echocardiogram, biohumoral tests. Brain CT and MRI scans showed bilateral thalamic lesion...
BACKGROUND AND PURPOSE Transcranial Doppler sonography is of established value in the detection and monitoring of middle cerebral artery vasospasm. Little information exists on the utility of transcranial Doppler for detection of posterior circulation vasospasm. METHODS Cerebral angiography and conventional hand-held transcranial Doppler sonography were compared to determine sensitivity and s...
Aim of the study To evaluate the value of uterine artery Doppler indices and waveform pattern in predicting fetuses at risk for intrauterine growth restriction in hypertensive disorders of pregnancy. Materials and methods This was a prospective cross-sectional study including 80 pregnant subjects with hypertensive disorders of pregnancy and two control groups. Uterine artery Doppler sonograph...
BACKGROUND AND PURPOSE Hemangioendothelioma is the most common parotid gland tumor of childhood, and is diagnosed on clinical grounds, supported by imaging findings. Previous work has suggested that MR is the best imaging technique for assessment of parotid hemangioendothelioma. Demonstration of a reliable sonographic appearance would reduce the need for MR imaging in infants with this lesion. ...
OBJECTIVES Intestinal neovascularization and abnormal abdominal arterial flow rates have been reported in Crohn's disease. The aim of this study was to evaluate Doppler sonography as a method for assessing Crohn's disease activity based on changes in splanchnic hemodynamics. METHODS Forty-eight patients with Crohn's disease, 22 healthy volunteers and 12 patients with irritable bowel syndrome ...
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