Purpose: To investigate the relationship between renal sinus lipomatosis (RSL) and abdominal visceral and subcutaneous fat accumulation and metabolic risk factors. Material and methods: A total 73 subjects were included in the study. The study group consisted of 35 cases with RSL and 38 control cases matched for age and sex. Total, visceral, and subcutaneous abdominal fat areas were measured by abdominal computed tomography (CT). The relationship between RSL and visceral abdominal fat, subcutaneous abdominal fat, total abdominal fat, high total cholesterol level, high low-density lipoprotein (LDL) cholesterol level, high very low-density lipoprotein (VLDL) cholesterol level, high triglyceride level, low high-density lipoprotein (HDL) cholesterol level, impaired fasting glucose level, type 2 diabetes mellitus, hypertension (HT), and metabolic syndrome (MS) were investigated. Results: RSL existence was observed at significantly higher levels statistically in cases with low HDL cholesterol level, high LDL cholesterol level, high VLDL cholesterol level, high triglyceride level, high total cholesterol level, and high glucose levels. In the presence of MS, DM, and HT, the presence of RSL was at a significantly higher level according to the statistics. Logistic regression analysis was performed to examine the factors affecting RSL presence together. It was observed that the model formed as the result of the evaluation using the backward method is statistically significant. Furthermore, the variables of age, high total cholesterol level, high glucose level, and abdominal subcutaneous fat were included in the obtained model. Conclusions: Our study demonstrated an association between the presence of RSL and age, high total cholesterol level, high glucose level, and subcutaneous fat.
Purpose To measure spleen stiffness by shear wave elastography (SWE) using acoustic radiation force impulse (ARFI) in patients with splenomegaly and to evaluate utility of elastography technique in identifying etiology of splenomegaly. Methods Sixty-one treatment-naïve patients with splenomegaly were enrolled. The control group consisted of 20 healthy subjects without history of any disease including diabetes and hypertension, alcohol consumption, or biochemical or ultrasonographic findings indicating hepatic and renal diseases. B-mode ultrasonography and elastographic examinations were performed by a radiologist blinded to the participants. Spleen stiffness was measured by SWE using ARFI. Shear wave velocity (SWV) values were given in m/s. Results Splenomegaly patients were assigned into three groups according to their etiologies as hepatoportal (n = 21), myeloproliferative (n = 23), and infectious (n = 17). Splenomegaly groups and control group were comparable regarding age and sex. Spleen size was higher in the splenomegaly groups than in the controls. Median SWV was significantly higher in the hepatoportal (3.85 m/s) and myeloproliferative (3.42 m/s) groups than in the infectious (2.66 m/s) and control (2.22 m/s) groups. The correlation between SWV and spleen size was not significant in any of the groups. The cut-off value was 3.42 (sensitivity 80.9%, specificity 56.5%) in distinguishing hepatoportal from myeloproliferative etiology; 3.02 (sensitivity 100%, specificity 100%) in distinguishing hepatoportal from infectious etiology; and 2.84 (sensitivity 91.3%, specificity 88.2%) in distinguishing myeloproliferative from infectious etiology. Conclusion Spleen stiffness measured by elastographic techniques in splenomegaly patients was higher than that in healthy subjects. SWV appeared to be beneficial in predicting the etiology of splenomegaly.
ObjectivesChronic dialysis causes changes in the structure of median nerve. This is a risk for the development of carpal tunnel syndrome in patients on dialysis. The aim of the present study was to evaluate the diagnostic capacity of shear wave velocity (SWV) and the cross‐sectional area (CSA) to detect the structural changes of the median nerve in patients with end‐stage chronic kidney disease on hemodialysis.MethodsTwenty‐five patients with chronic kidney disease undergoing hemodialysis 3 times per week and 26 healthy controls were included. None of the participants had any signs or symptoms of carpal tunnel syndrome specified according to the criteria of the American Academy of Neurology Practice Parameters. Both patients and controls underwent sonographic and elastographic examinations of the median nerves in both hands to evaluate CSA and SWV values, and they were compared regarding these parameters.ResultsThe mean CSA of the median nerve in the chronic hemodialysis group was significantly higher than that in the control group (12.74 ± 1.88 mm2 versus 8.89 ± 1.45 mm2; P < .001). The mean longitudinal and axial SWV values in the hemodialysis group (3.86 ± 0.54 m/s and 3.92 ± 0.52 m/s, respectively) were significantly higher than those in the control group (2.98 ± 0.31 m/s and 3.04 ± 0.31 m/s, respectively; P < .001).ConclusionsPatients on chronic hemodialysis had higher mean CSA and SWV values of the median nerve compared with the healthy controls. Structural changes in the median nerve that occur in patients on chronic hemodialysis can be detected by shear‐wave sonoelastography.
Amaç: Akut Pulmoner emboli (PE) ön tanısıyla radyoloji kliniğine refere edilen, yapılan BT tetkikinde PE saptanan ve saptanmayan olguların parankimal ve plevral bulgularının sıklığının karşılaştırılması ve parankimal ve plevral BT bulguları ile PE arasındaki bağlantıyı saptamaktır.Yöntem: PE ön tanısı ile hastanemiz radyoloji kliniğine refere edilen ardışık 121 olgunun pulmoner BT anjiografi bulguları retrospektif olarak incelendi. PE varlığı ve dağılımı, trunkus pulmonalis çapı, plevral efüzyon varlığı ve yeri ile parankim penceresinde; atelektazi, buzlu cam görünüm, konsolidasyon, lineer opasite, üçgen şeklinde periferal opasite, vasküler işaret, oligemi, nodül ve kitle varlığı araştırıldı.Bulgular: PE şüphesi olan 121 olgunun 39'unda PE saptandı (%32.23). 121 olgunun 82'sinde PE saptanmadı (%67.77). PE tanısı alan olguların %15.4' ünde PE sadece sağ akciğerde, %10.3'ünde sadece sol akciğerde, %74.4'ünde ise her iki akciğerde saptandı. PE saptanan olguların %89.7'sinde yöntemler kısmında tanımlanan parankimal ve plevral bulgulardan en az biri saptandı. PE saptanmayan olguların %86.6'sında yöntemler kısmında tanımlanan parankimal ve plevral bulgulardan en az biri saptandı. PE tanısı alan olguların %26.6'sında, PE saptanmayan olguların %35.4'ünde plevral efüzyon saptandı. Üçgen şeklinde opasite (p=0.000) ve vasküler işaret (p=0.032), PE saptanan olgularda, istatistiksel olarak oldukça anlamlı derecede daha sık saptanmıştır.Sonuç: PE ön tanısı ile pulmoner BT anjiografi tetkiki uygulanan ve PE saptanan ya da saptanmayan olguların çoğunda parankimal ve plevral bulgulara rastladık. Bununla birlikte, üçgen şeklinde opasite ve vasküler işaret ile PE varlığı arasında istatistiksel olarak oldukça anlamlı bir bağlantı olduğunu saptadık.
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