Egyptian Journal of Radiology and Nuclear Medicine最新文献

{"title":"Tubercular abdominal cocoon: a rare cause of subacute small bowel obstruction","authors":"Sachin Girdhar, Alisha Naik, Maneesh Uniyal","doi":"10.1186/s43055-024-01299-8","DOIUrl":"https://doi.org/10.1186/s43055-024-01299-8","url":null,"abstract":"Encapsulating peritoneal sclerosis (EPS) or abdominal cocoon is a very rare cause of subacute intestinal obstruction. We hereby report an elderly male presenting with recent-onset subacute intestinal obstruction with characteristic imaging findings of this entity in a background of abdominal tuberculosis on computed tomography (CT) scan that enabled timely diagnosis and appropriate clinical management. The report aims to highlight the typical radiological findings of this rare entity that may otherwise go undetected on imaging investigations, thereby causing a delay in diagnosis with adverse clinical outcomes. A 57-year-old male patient presented to the hospital with complaints of diffuse abdominal pain with obstipation and recurrent episodes of vomiting since last three days. Clinical evaluation also revealed an ill-defined lump in right lower abdomen. An urgent contrast-enhanced CT scan after oral contrast administration was performed that revealed dilated, clumped up small bowel loops in a ‘whorl-like’ pattern in right iliac fossa region. These obstructed loops were encased by a thick peritoneal membrane giving a ‘cocoon-like’ appearance. Also appreciated were scattered punctate calcific foci in jejunal walls and adjacent peritoneum along with mild ascites. On the basis of typical imaging findings, provisional diagnosis of tubercular cocoon abdomen was given that was later confirmed by laboratory investigations and diagnostic laparoscopy. Encapsulating peritoneal sclerosis or cocoon abdomen is an extremely rare cause of subacute intestinal obstruction. Further, cocoon abdomen in a background of abdominal tuberculosis is even rarer. However, this case report highlights the characteristic imaging findings for broader audience that enabled prompt diagnosis and appropriate clinical management in this case, achieving optimal clinical outcome.","PeriodicalId":11540,"journal":{"name":"Egyptian Journal of Radiology and Nuclear Medicine","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141523175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Contrast enhanced digital mammography as a predictor of breast cancer in patient with pathological nipple discharge","authors":"Lamiaa M. R. Khalaf, Mostafa A. M. El-Sharkawy, Mohamed Zedan, Khaled Rezk, Marwa Mosaed, Hosam M. Kamel","doi":"10.1186/s43055-024-01296-x","DOIUrl":"https://doi.org/10.1186/s43055-024-01296-x","url":null,"abstract":"Pathological nipple discharge (PND) commonly caused by benign diseases, but occasionally it signifies a major medical concern. Ultrasonography, in addition to mammography, is regarded as the standard imaging modality in the diagnosis of PND but their sensitivity in some cases are low, subsequently we used a contrast enhanced mammography (CEDM) as supplementary diagnostic modality in patients with PND. The purpose of our study was to investigate the diagnostic efficacy of CEDM in evaluating PND patients, added values of incorporating the CEDM in the diagnostic workup of patients with PND and to demonstrate its diagnostic significance as a predictor of malignancy in these patients as there have been few studies that have addressed the role of CEDM in the evaluation of PND. Forty seven patients with PND were enrolled in this prospective study and underwent CEDM. The CEDM had high specificity (83.2%) compared to the combined sonomammography (SM) (59.3%), as there was a decrease in the number of false positive cases detected by the CEDM (6 cases) compared to the combined SM (11 cases). Combined (SM) had a moderate degree of agreement (55%, P = 0.01) with the final diagnosis, whereas CEDM had a strong degree of agreement (75%, P < 0.001). Additionally, the combined SM reported 76.6% accuracy with an area under the curve of 0.8, whereas the CEDM had 87.2% accuracy with an area under the curve of 0.89. CEDM had higher specificity, positive predictive value, and accuracy than SM in PND patients, along with its stronger agreement with the final pathology results, subsequently reduce the rate of false positive cases and the rate of recall back, making it a highly accurate malignancy predictor in those patients and can be an invaluable diagnostic imaging tool for identifying associated malignancies.","PeriodicalId":11540,"journal":{"name":"Egyptian Journal of Radiology and Nuclear Medicine","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141523174","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Awareness of radiation hazards and knowledge of radioprotective measures among radiologists and non-radiology staff: a cross-sectional survey","authors":"Jehad Fataftah, Raed Tayyem, Salem Al-Dwairy, Abdel Rahman Al Manasra, Aqleh Ibrahim, Randa Al Ryalat, Mallak Alwreikat, Hebatuallah Al-Shraah, Razan Alharbi, Banan Alharbi","doi":"10.1186/s43055-024-01300-4","DOIUrl":"https://doi.org/10.1186/s43055-024-01300-4","url":null,"abstract":"Ionizing radiation has become increasingly utilized in medical practice. Consequently, healthcare workers must be aware of radiation hazards and apply the necessary countermeasures to reduce occupational exposure. This study assessed the awareness of radiation hazards and knowledge of radiation protection measures among radiologists and non-radiologists. These findings may improve the application of various safety measures during medical interventions involving radiation. We conducted a cross-sectional questionnaire-based study among 200 medical personnel, including consultant surgeons, physicians, radiologists, nurses, and radiographers, across five hospitals in Jordan between November 2022 and February 2023. The questionnaire collected data on demographic characteristics, awareness of radiation hazards, and knowledge of radioprotective techniques. Overall, the knowledge of radiation protection and awareness of radiation hazards among the participants were poor (51.55% and 37.17%, respectively). No significant difference was detected between the medical disciplines in terms of the level of knowledge of radiation protection; however, radiographers were significantly more aware of radiation hazards. According to our findings, medical personnel generally have poor awareness of radiation hazards and radiation protection protocols. However, this understanding can be enhanced through periodic in-service training and regular monitoring of occupational radiation exposure by health professionals.","PeriodicalId":11540,"journal":{"name":"Egyptian Journal of Radiology and Nuclear Medicine","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141501076","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Imaging of oral cavity and oropharyngeal masses: clinico-radiologic correlation","authors":"Wafaa Mohamed Elbadawy, Mohamed Adel Eltomy, Mostafa Ibrahim Ammar, Ekhlas Abdelmonem Shaban","doi":"10.1186/s43055-024-01293-0","DOIUrl":"https://doi.org/10.1186/s43055-024-01293-0","url":null,"abstract":"Clinical diagnosis of the masses of the oropharynx and the oral cavity is usually straightforward; however, deep extension of lesions should be assessed by imaging. Thirty patients with suspected masses in oral cavity and oropharynx were enrolled in the present study. Contrast-enhanced CT and MRI were used for imaging of all patients, and superficial ultrasound was used as screening (whether the mass was accessible to ultrasound or not). The aim of this study was to evaluate clinical impact of combined imaging modalities for assessment of intraoral and oropharyngeal masses. There was a statistically significant difference between CT and MRI regarding the detected tumor size, lymph node and adjacent structures. CT had a sensitivity of 77.78% and specificity of 75% in the detection of malignancy. A low apparent diffusion coefficient can detect malignancy with 61.11% sensitivity and 91.67% specificity. The radiographic diagnosis of the oral cavity presents a complex challenge. According to the unique presentation of each patient, combined CT and MRI imaging will enhance the identification and characterization of lesions in the oral cavity and oropharynx. There is a secondary, limited role for ultrasonography.","PeriodicalId":11540,"journal":{"name":"Egyptian Journal of Radiology and Nuclear Medicine","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141501077","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hypertrophic olivary degeneration following head injury: a case report","authors":"Neha Singh, Kishan Kumar Thakur, Deepak Kumar Singh, James Marak","doi":"10.1186/s43055-024-01292-1","DOIUrl":"https://doi.org/10.1186/s43055-024-01292-1","url":null,"abstract":"Hypertrophic olivary degeneration (HOD) is a unique type of neuronal degeneration presenting as hypertrophy, in contrast to atrophy as seen in most cases. It presents with classical characteristic clinical features due to involvement of dentate-rubral-olivary pathway, also described as triangle of Guillain and Mollaret formed in midbrain, pons and cerebellum. It can be idiopathic or secondary to infarction, bleeding, tumours, trauma or demyelination. However, the mechanism is still unclear. Herein, we present a case of HOD that had developed after post-traumatic pontine and midbrain haemorrhagic contusion. A young male patient presented with progressively increasing tremors of both hands, inability to walk and multiple cranial nerve palsy. Magnetic resonance imaging demonstrated bilateral inferior olivary nucleus enlargement and signal changes seen as T2 and T2-FLAIR hyperintensities and non-enhancing T1 iso-intensities. Based on these features, diagnosis of HOD was made. Patient was kept on conservative management and his condition improved. Hypertrophic olivary degeneration is a unique neuronal degeneration with typical clinical manifestations and distinct imaging features. Proper and early recognition and multidisciplinary treatment approach can result in the best outcomes for the patient.","PeriodicalId":11540,"journal":{"name":"Egyptian Journal of Radiology and Nuclear Medicine","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141501135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficiency assessment of a two-stage diagnostic strategy combining CT angiography and fractional flow reserve derived from coronary CT angiography for the detection of myocardial ischemia: a simulation study","authors":"Kunihiro Iwata, Akira Yanagisawa, Katsuhiko Ogasawara","doi":"10.1186/s43055-024-01281-4","DOIUrl":"https://doi.org/10.1186/s43055-024-01281-4","url":null,"abstract":"The importance of a diagnostic strategy combining coronary computed tomography angiography (CCTA) with fractional flow reserve derived from CCTA (FFRCT) for detecting myocardial ischemia is increasing. However, sensitivity and specificity alone may be insufficient to understand the efficiency characteristics of a diagnostic strategy combining CCTA and FFRCT (DSCCF). Our study aimed to evaluate the overall efficiency of DSCCF in detecting myocardial ischemia and compare it with other diagnostic strategies to determine whether evaluation by DSCCF is currently appropriate. This simulation study included 1000 patients with stable chest pain and suspected myocardial ischemia. Using a decision tree analysis, assuming a diagnostic strategy of adding FFRCT to CCTA-positive patients, we calculated the following efficiency parameters of DSCCF: (1) true positive (TP), false positive (FP), net false negative (FN), and net true negative (TN) test results; (2) net sensitivity; (3) net specificity; (4) positive predictive value; (5) negative predictive value; (6) post-test probability; (7) diagnostic accuracy; (8) diagnostic odds ratio; and (9) number needed to diagnose. We also calculated the efficiency parameters of other diagnostic strategies and compared them with those of DSCCF. In the basic setting, regarding efficiency parameters (1), the number of TPs, FPs, net FNs, and net TNs were 254, 69, 46, and 631, respectively. Efficiency parameters (2)–(9) were 0.85 (95% confidence interval [CI], 0.80–0.89), 0.90 (95% CI 0.88–0.92), 0.79 (95% CI 0.74–0.83), 0.93 (95% CI 0.91–0.95), 0.07 (95% CI 0.05–0.09), 0.89 (95% CI 0.86–0.90), 50.50 (95% CI 33.83–75.37), and 1.34 (95% CI 1.24–1.48), respectively. Compared with other diagnostic strategies, DSCCF had good efficiency parameters. Moreover, the sensitivity analysis did not reveal any evidence to contradict the findings in the basic setting. This study demonstrated the diagnostic ability characteristics of DSCCF by assessing various efficiency parameters. Compared with other diagnostic strategies, DSCCF had good efficiency. In terms of efficiency, evaluation using DSCCF for detecting myocardial ischemia appears to be appropriate.","PeriodicalId":11540,"journal":{"name":"Egyptian Journal of Radiology and Nuclear Medicine","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141501134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Antegrade long giant ileocolic intussusception via colon–cecum cancer lead points: case report with focus on the sign of the python colon","authors":"Antonio Pierro, Biagio Francesco Pio Apollonio, Paolo Mirco, Antonio Vallo, Roberto Cristino, Pierpaolo Oriente, Teresa Bevere, Gianluca Testa, Antonio Totaro","doi":"10.1186/s43055-024-01291-2","DOIUrl":"https://doi.org/10.1186/s43055-024-01291-2","url":null,"abstract":"","PeriodicalId":11540,"journal":{"name":"Egyptian Journal of Radiology and Nuclear Medicine","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141344070","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring the uncharted: adenoid cystic carcinoma nestled in temporal bone","authors":"Kamala Manogna Nibhanupudi, Monika Gangapatnam, Elamparidhi Padmanaban, U. Amirthalingam, J. V. Raj, M. Bharathi","doi":"10.1186/s43055-024-01290-3","DOIUrl":"https://doi.org/10.1186/s43055-024-01290-3","url":null,"abstract":"","PeriodicalId":11540,"journal":{"name":"Egyptian Journal of Radiology and Nuclear Medicine","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141348696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Quantitative gray matter volumetric analysis in schizophrenia: investigating the risk of violent behaviors through structural MRI","authors":"Yingna Li, Wenzhou Liang, Liying Zhao","doi":"10.1186/s43055-024-01289-w","DOIUrl":"https://doi.org/10.1186/s43055-024-01289-w","url":null,"abstract":"","PeriodicalId":11540,"journal":{"name":"Egyptian Journal of Radiology and Nuclear Medicine","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141355212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing the efficacy of 3D Dual-CycleGAN model for multi-contrast MRI synthesis","authors":"Ali Mahboubisarighieh, Hossein Shahverdi, Shabnam Jafarpoor Nesheli, Mohammad Alipoor Kermani, Milad Niknam, Mohanna Torkashvand, S. M. Rezaeijo","doi":"10.1186/s43055-024-01287-y","DOIUrl":"https://doi.org/10.1186/s43055-024-01287-y","url":null,"abstract":"","PeriodicalId":11540,"journal":{"name":"Egyptian Journal of Radiology and Nuclear Medicine","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2024-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141355888","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}