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1.
Hala Yehia Yousef Haitham A. Dawood Nesreen Mohey 《The Egyptian Journal of Radiology and Nuclear Medicine》2017,48(4):927-930
Aim of the work
To evaluate the role of diffusion weighted imaging (DWI) in the planning for CT guided biopsy of lung and mediastinal lesions.Subjects and methods
This cross sectional study included 23 patients with mean age was 42.7?years came with clinical and imaging suspicion of chest malignancy, referred for CT guided transthoracic biopsy. DWI and apparent diffusion coefficient (ADC) were evaluated for all patients to choose the area of maximum restriction.Results
The study showed that with DWI guidance; all the biopsy specimens were diagnostic and provide adequate material for analysis.Conclusion
DWI and measurement of ADC value has a very helpful role in the pre-procedural planning of transthoracic biopsies. 相似文献2.
Saika Amreen Manjeet Singh Naseer Ahmad Choh Cimona Saldanha Tariq A. Gojwari 《The Egyptian Journal of Radiology and Nuclear Medicine》2018,49(3):850-853
Introduction
Endometrial polyps are a common cause of abnormal uterine bleeding. Ultrasound is the most accepted investigation to evaluate them. However, the diagnosis can be difficult and even missed on transabdominal and grayscale imaging. Our study aims to assess the evaluation of endometrial polyps on transvaginal color Doppler.Patients and methods
A prospective study with performance of transvaginal Doppler and saline infusion sonohysterography with histopathological correlation.Results
The pedicle artery sign on transvaginal color Doppler sonography was found to have sensitivity of 86.67%, accuracy of 86.67% and positive predictive value of 100%.Conclusion
Addition of Doppler to transvaginal sonography and Saline infusion Sonohysterography improves characterization and diagnosis of endometrial lesions. 相似文献3.
Shimaa Abdalla Ahmed Hanan Ahmed El Taieb 《The Egyptian Journal of Radiology and Nuclear Medicine》2018,49(3):828-837
Objectives
To describe the patient characteristics, imaging features, biomarkers raising the possibility of secondary ovarian tumors. How imaging features of secondary ovarian tumors vary according to the origin of the primary tumor.Methods
Between January 2012 and September 2016, we conducted a retrospective study of 50 pathologically confirmed ovarian metastasis. We reviewed patient's medical records and retrieved their clinicopathological characteristics and reviewed their radiological images to evaluate discrepancies in the imaging features between ovarian metastasis and the primary tumor.Results
The majority of our patients were younger than 50y (72%), had bilateral ovarian metastasis (64%), elevated CA-125 (64%), lesion less than 9?cm (68%), and have mixed solid and cystic lesion (82%). 70% of lesions with solid component has a moderate pattern of enhancement. While, 90% of ovarian metastasis derived from cancer stomach, breast, lymphoma was solid; 81% of metastases arising from the primary tumor in the small intestine, colon, rectum or biliary tract was mixed (P?<?0.0001). Also, Metastases from the primary tumor in the stomach, breast, and lymphoma were significantly smaller than those from colorectal or biliary tract cancers (P?=?0.02).Conclusion
possibility of secondary ovarian tumors should be considered in cases with bilateral relatively small solid ovarian tumors in a woman with age <50?years old with normal or mild elevated CA 125 level. Imaging features may differ according to the primary tumor. 相似文献4.
Heba M. Soliman Ahmed A. ElBeheiry Amr A. Abdel-Kerim Ahmed H. Farhoud M. Ihab Reda 《The Egyptian Journal of Radiology and Nuclear Medicine》2018,49(3):719-726
Background
Assessment of treatment response in patients with a brain tumor is paramount, as true tumor recurrence and radiation necrosis are similar looking on conventional MRI.Purpose
To evaluate the role of dynamic susceptibility contrast (DSC) perfusion magnetic resonance imaging in the differentiation between recurrent brain tumors and radiation necrosis.Material and Methods
Twenty patients with a history of operated primary brain tumors and postoperative radiotherapy with or without chemotherapy were enrolled in this prospective study having conventional MRI findings of enhancing lesion suspicious of being recurrence or radiation necrosis. All patients were examined by DSC-perfusion MRI. Definitive diagnosis was reached through either subsequent surgical biopsy or follow up over 6-12 months.Results
Fifteen patients (75%) were diagnosed as tumor recurrence and 5 patients as radiation necrosis (25%). The relative cerebral blood volume (rCBV) and relative peak height (rPH) were significantly higher (P?<?0.05) in recurrent tumors than in radiation necrosis lesions. The rCBV and rPH thresholds in differentiating between them were 1.8 and 1.22 respectively with 87%, 93% sensitivity and 100% specificity for each respectively.Conclusions
DSC-perfusion MRI is a valuable non-invasive tool besides conventional MRI whenever available to differentiate between radiation injury changes and tumor recurrence. 相似文献5.
Enas A. Azab 《The Egyptian Journal of Radiology and Nuclear Medicine》2018,49(4):948-952
Background and objective
Laparoscopic sleeve gastrectomy become widely employed and accepted operation in between Arab population as a permanent solution for morbid obesity. There are many acute complications associated with LSG such postoperative leaks or bleeding, abscess formation, splenic infarction and portal vein thrombosis. The purpose of the study is to present how multidetector CT is beneficial as a screening investigation to detect these complications.Methods
We retrospectively review CT images done in the first week post operative for280 patients subjected to LSG the center in the period between July 2017-December 2017 (average age 39.5?years old).Results
the leak was suspected in 3 patients documented by a direct leak of contrast in one of them, 2 patients active bleeding was clinically suspected, but the exact site of bleeding could not be identified by CT, 15 patients had serous fluid collection, splenic infarction was noticed in 18 patients, 3 patients developed postoperative hematoma one of them become infected, anterior abdominal wall hematoma seen in 5 patients, one patient developed portal vein thrombosis.Conclusion
CT is an important imaging tool to diagnose post LSG complications. 相似文献6.
Mohamed Saied Abdelgawad Rania A.M. Abouyoussef 《The Egyptian Journal of Radiology and Nuclear Medicine》2018,49(2):299-303
Aim of the work
The aim of this retrospective study is to highlight the MDCT features of portal biliopathy (PB).Patients
This study included 32 patients with extra-hepatic portal vein obstruction (EHPVO) and biliary dilatation. Their age ranged from 27 to 63?years, including 21 males and 11 females.Methods
The included patients had records of complete clinical examination and laboratory data, including bilirubin levels. All patients were examined by multiphase MDCT study with good portal phase.Results
Extra-hepatic biliary dilatation without intra-hepatic dilatation seen in 5 patients (type I), intra-hepatic dilatation without extra-hepatic dilatation seen in 12 (type II) patients, unilateral intra-hepatic predominant with extra-hepatic dilatation (type IIIA) seen in 7 patients (4 right sided predominance and 3 left sided predominance). Both extra and bilateral intra-hepatic dilatation in 8 patients (type IIIB).Conclusion
MDCT is an excellent technique for the diagnosis of portal biliopathy reducing errors in diagnosis. 相似文献7.
Rehab Abdel Rahman El Bakry 《The Egyptian Journal of Radiology and Nuclear Medicine》2018,49(2):529-535
Objectives
Comparison between digital mammography alone and with adding digital breast tomosynthesis in breast cancer screening.Patients & methods
143 females underwent digital mammography, digital breast tomosynthesis and breast ultrasound.Results
DBT+DM decreased recall rate by 38% in BI-RADS 0. From BI-RADS I till BI-RADS V DBT+DM showed more accuracy than DM. In BI-RADS IV DBT+DM decreased false positive results by 33%.Conclusion
Adding digital breast tomosynthesis to digital mammography improves the diagnostic accuracy in breast cancer screening. 相似文献8.
Mennatallah Hatem Shalaby Khaled A. Ali Shehata 《The Egyptian Journal of Radiology and Nuclear Medicine》2017,48(4):791-798
Background
Ninety percent of hepatic cancers are hepatocellular carcinomas (HCC) which have an unfavorable prognosis. HCC is a hypervascular tumor supplied mainly by the hepatic artery. It has a higher blood supply than the surrounding hepatic tissue due to neovascularization. Computed tomography with perfusion imaging (CTP) is a non invasive tool which quantifies the blood flow parameters of HCC and compares it to the surrounding tissue.Purpose
To prove that CTP is a valuable diagnostic tool in diagnosis of HCC and posttherapeutic assessment.Patients and methods
One hundred and twenty-six HCC patients with 150 focal lesions are enrolled this study. Perfusion parameters are quantified and results are compared to those of triphasic CT.Results
CTP detected 141 lesions with 94% sensitivity and 40% specificity with elevated arterial perfusion (AP) and perfusion index (PI) with low portal flow (PF). It missed 5 lesions because of their hypovascularity and 4 lesions following radiofrequency ablation (RFA) and trans arterial chemo embolization (TACE).Conclusion
CTP is a safe and specific imaging tool for diagnosis and assessment of therapeutic interventional procedures in HCC. 相似文献9.
Mohamed H. Zahran Mohamed M. El-Shafei Doaa M. Emara Samar M. Eshiba 《The Egyptian Journal of Radiology and Nuclear Medicine》2018,49(1):249-258
Introduction
Elastography is considered a non-invasive imaging modality which determines the tumors according to their stiffness. Strain images representing the stiffness of the lesions compared to that of the surrounding normal tissue.Purpose
To prospectively evaluate the sensitivity and specificity of the real-time sonoelastography together with B-mode US for distinguishing benign from malignant breast lesions.Methods
The study was conducted on 80 patients, each patient was subjected to complete history taking, thorough clinical examination. All patients had conventional US and elastography using Hitachi 7.5?MHz linear probe (Hitachi hi vision avirus ultrasound), while only in 68 patients mammography was done.Results
Among the 80 patients, sensitivity and specificity of the elastography test of breast lesions according to the elastography score were 80% and 80.95% respectively, while sensitivity and specificity of conventional B mode US were 80% and 76% respectively and the combined B mode US and US elastography showed higher sensitivity and specificity of 86.6% and 90.4% respectively.Conclusion
Elastography is a non-invasive imaging technique which is done in the same session of ultrasound in an attempt to increase and improve the accuracy of diagnostic efficiency of ultrasound. 相似文献10.
Tamer W. Kassem 《The Egyptian Journal of Radiology and Nuclear Medicine》2017,48(3):621-626
Objective
The goal of this study was to highlight the role of follow up CT angiography examination in detection and classification of endoleaks and therefore deciding management plans after endovascular abdominal aortic aneurysm repair (EVAR).Patients and Methods
During one year duration 37 patients who have been operated were examined 1 and 6 months after EVAR as routine follow up. The images obtained were interpreted and reconstructed using dedicated software and work stations.Results
Out of 37 cases, 14 cases (37.8%) had positive endoleaks and 23 cases (62.2%) were free. Type I endoleak was diagnosed in 4 cases (10.8%) and type II endoleaks was diagnosed in 10 cases (27%) as 7 cases (18.9%) showed leak through lumbar arteries and 3 cases (8.1%) showed leak through the inferior mesenteric arteries.Conclusion
CT angiography can accurately detect and classify endoleaks and thus determine line of treatment. Endoleaks are often asymptomatic and may become evident intra operatively or many years after the operation, therefore lifelong imaging supervision is necessary. 相似文献11.
Amr Farouk Ibrahim Moustafa Eman Faker Kamal Maher M. Hassan Mona Sakr Mohammed Mohammed Mohammed Gomaa 《The Egyptian Journal of Radiology and Nuclear Medicine》2018,49(1):259-264
Objective
To evaluate the additive value of Contrast Enhanced Spectral Mammography (CESM) in the preoperative assessment of malignant lesions in dense breast parenchyma regarding multiplicity.Material and methods
The study included 160 women having heterogeneous dense breast parenchyma (ACR c and d) with suspicious lesions identified on sono mammography examination. All patients performed contrast enhanced spectral mammography to confirm or exclude lesion multiplicity. The number of lesions was calculated in the contrast high energy subtraction images with the reference standard being histopathological analysis.Results
Adding CESM to sono-mammography the accuracy in identifying multiple malignant lesion increased from 81.8% accuracy of sono-mammography up to 100% accuracy after adding CESM.Conclusion
Contrast enhanced spectral mammogram showed an added value in the preoperative assessment of breast masses increasing the accuracy of detection of lesions and multiplicity (multifocality and multi-centricity). 相似文献12.
Mohamed M. Zaki Ehab A. Hegazy Maysa I. Abdelhamid Sabry A. El-Mogy 《The Egyptian Journal of Radiology and Nuclear Medicine》2018,49(3):732-736
Introduction
The purpose of this study was to evaluate the role of parallel imaging technique in obtaining a more accurate geometric representation of the studied anatomy and how far this technique can reduce the pixel displacement and increase resolution in echo planner imaging- diffusion weighted (EPI-DW) images of the brain.Patients & methods
The study was done on 6 patients, they were subjected to routine brain MRI examination for different symptoms, examination was done on 1.5?T scanner, the degree of geometric distortion was measured in the phase encoding direction (from anterior to posterior (A/P) in the used sequence) in both DWI sequence acquired without and with parallel imaging technique respectively and was compared with T2-FSE sequence which has no geometric distortion as in EPI.Results
Parallel imaging technique reduced artifact (pixel displacement) in frontal and occipital lobes in addition to increasing resolution for EPI-DWI for the brain. This technique reduced pixel displacement in the frontal lobe by 47?±?11.7% and 47.3?±?11% reduction in the occipital lobe.Conclusion
Parallel imaging technique can be used with EPI-DWI to increase resolution and decrease geometric distortion artifact to acquire more accurate geometric representation of the acquired anatomy. 相似文献13.
Mennatallah Hatem Shalaby Sherin M. Sharara Mohammed H. Abdelbary 《The Egyptian Journal of Radiology and Nuclear Medicine》2017,48(3):645-652
Background
The ankle is frequently injured in trauma, overuse syndrome and inflammatory processes. Different imaging modalities assess the ankle, including plain radiography, computed tomography (CT), magnetic resonance imaging (MRI), and ultrasonography (US).Purpose
Our objective is to assess the role of high resolution US as a valuable tool in the depiction of causes of ankle joint pain.Patients and methods
The study included 28 patients presented with ankle pain ranging in age from 17 to 60 years. They were examined by US and findings were correlated with MRI.Results
US was capable to detect various lesions (synovitis, arthritis, plantar fasciitis, tendon and ligamentous lesions). It had a sensitivity of 95.4%, a specificity of 83.3% and an overall accuracy of 92.8%. US had a limited value in detection of avascular necrosis (AVN), bone marrow oedema and fractures.Conclusion
US can be used as a first step diagnostic tool in cases of ankle pain. MRI should be spared to cases with negative or equivocal US findings. 相似文献14.
Vineet Aggarwal Neeti Aggarwal Rohit Bhoil Vijay Kumar Neeraj Kumar Surya P. Singh Mansi Verma 《The Egyptian Journal of Radiology and Nuclear Medicine》2017,48(1):179-181
Background
Currarino recognized a triad of congenital malformations of the hindgut and the sacrococcygeal spine as a distinct syndrome. A characteristic radiological sign described as scimitar sacrum is pathognomonic of the syndrome. A radiograph of the pelvis requested for some other reason may detect the typical scimitar detect in the lower sacrum and the coccyx.Case
We report a case of a ten year old girl with recurrent pre-sacral abscess in whom the diagnosis of Currarino syndrome was suspected on plain radiography and confirmed on CT/MRI. To the best of our knowledge this is the second case of Currarino Syndrome being diagnosed in a patient following presentation as a presacral abscess.Conclusion
The clinical features, unique radiologic appearance, and importance of a correct diagnosis of the Currarino triad are discussed which often requires inter-departmental cooperation for correct diagnosis and management. 相似文献15.
Kunwarpal Singh C.L. Thukral Kamlesh Gupta 《The Egyptian Journal of Radiology and Nuclear Medicine》2017,48(3):653-660
Background
Characterization of tendo-ligamentous pathologies of wrist remains problematic, despite advances in imaging. By using clinical history and imaging appearance, one can determine the diagnosis. USG is used as first imaging modality whereas MRI aids in making a specific diagnosis of few of the lesions.Aims
To investigate the etiological spectrum of tendo-ligamentous pathologies of wrist on USG & MRI with statistical correlation.Patients and methods
80 patients (male/female = 46/34) with complaint of swelling or pain in wrist were included and underwent USG and MRI of both the wrists.Results
The spectrum included ganglion cysts, vascular malformations, tenosynovitis, tendinopathy, ligament tears and fibrosis. The analysis was done using kappa coefficient and spearman's rho correlation coefficient. The strength of agreement between USG and MRI for the diagnosis of ganglion cysts, vascular malformations, tenosynovitis and tendinopathy was found to be very good.Conclusion
USG provides detailed depiction of superficial structures, is less expensive, and allows dynamic examinations of the wrist. It should be the first choice of investigation for majority of the cystic, tendinous, vascular, and fibrotic pathologies of the wrist. However, less promising results were observed for ligamentous pathologies on USG in our study. 相似文献16.
Ahmed M. Abdrabou Mennatallah H. Shalaby 《The Egyptian Journal of Radiology and Nuclear Medicine》2017,48(4):977-981
Purpose
To highlight the relationship between coraco-humeral distance and subscapularis tendon tear.Material and methods
Sixty-two shoulder MRI studies were examined. Twenty-two patients had partial or complete tear of subscapularis tendon and forty shoulder as a control group. Axial and oblique sagittal MR images were examined to measure the coraco-humeral distance followed by statistical analysis to correlate the distance with tendon tear.Results
A cut-off value of 8.25?mm for the coraco-humeral distance gave a sensitivity of 77.5% and specificity of 72.7% for subscapularis tendon tear.Conclusion
There is a well-known relationship between the coraco-humeral distance and the subscapularis tendon tear and its meticulous assessment in subjects with pain in the anterior shoulder region increases the diagnosis of subcoracoid impingement. 相似文献17.
Mohammad Fouad Abdel-Baki Allam Mostafa Mohamed Mostafa Elian Ahmad Fouad Abdel-Baki Allam 《The Egyptian Journal of Radiology and Nuclear Medicine》2018,49(2):394-399
The wrist joint is a complex joint containing several intrinsic and extrinsic ligaments that contribute to carpal stability. There is increased incidence of ligamentous/capsular injury following trauma.
Objective
The aim of this study was to assess the value of high resolution MDCT arthrography in detection of various ligamentous and capsular injuries of the wrist in post-traumatic writ pain.Patients and methods
From August 2016 to February 2017 Seventeen patients with posttraumatic wrist pain underwent MDCT arthrography primarily through radiocarpal injection and using high resolution study, all patients have negative MRI study of the wrist.Results
59% of cases had ligamentous/capsular tear. The most frequent was the capsular tears. Incomplete intrinsic ligament tears were observed, the dorsal scaphotrapezio-trapezoid ligament was the commonest to be affected. Class IA traumatic TFC tear was found in 12%. There was significant high positive correlation between the VAS score for wrist pain and the presence of ligamentous/capsular tear in absence of bone fracture.Conclusion
MDCT arthrography of the wrist is an excellent imaging method that can detect MRI occult ligamentous tear in unexplained post traumatic pain. 相似文献18.
Nesreen Mohey Tamir A. Hassan 《The Egyptian Journal of Radiology and Nuclear Medicine》2017,48(1):1-6
Perianal fistula is a common disorder with high tendency to recur in spite of satisfactory surgery. Pelvic MRI is the preferable imaging modality for recognition and assessment of perianal fistulas.
Aim of the work
To evaluate the effectiveness of MRI in grading of primary perianal fistula and verification of its associated findings in correlation with surgical outcome.Subjects and methods
This prospective study included 30 patients with age range 14–44 years. Preoperative MR grading was correlated with surgical outcome.Results
The sensitivity, specificity, PPV, NPV and weighted Kappa of MR grading in correlation with surgery was 95.8%, 83.3%, 95.8%, 83.3% and 0.79 respectively with P value = 0.000Conclusion
MRI is a valuable modality for grading of primary perianal fistula and its complications. Accurate pre-operative grading may reduce the surgical complications and possibility of recurrence. 相似文献19.
Sahar Mahmoud Mansour Mariam Raafat 《The Egyptian Journal of Radiology and Nuclear Medicine》2017,48(4):1131-1139
Objective
To assess the diagnostic accuracy of diffusion weighted imaging (DWI-MRI) being a non-contrast based MR sequence versus dynamic contrast enhanced MRI (DCE-MRI) in the preoperative loco-regional staging of the cervical carcinoma.Methodology
Fifty cases of proved cancer cervix prior staging subjected to dynamic post contrast technique: one pre-and six post contrast phases (40?s each). DWI was scanned using different b values and ADC values were measured.Results
DWI was the most accurate in staging operable cases (93.3%).Parametrial infiltration was overestimated in 3 cases versus 4 cases in DCE-MR. DWI showed 100% sensitivity, positive predictive value and accuracy in the assessment of locally advanced carcinomas. In metastatic lymph nodes, DCE-MR showed the least accuracy of 86%.Conclusion
DWI is helpful in discriminating local from locally advanced cervical carcinomas. DCE-MR can delineate cervical carcinomas confined to the uterus and exclude bladder/rectal invasion. 相似文献20.
Omar Hassanen Usama Ghieda Mohamed A. Eltomey 《The Egyptian Journal of Radiology and Nuclear Medicine》2017,48(4):1117-1123