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Correlation between CT volumetry and actual graft weight in living donor liver transplants in South Africa. 南非活体肝移植中 CT 容量测量与实际移植物重量之间的相关性。
IF 0.7
SA Journal of Radiology Pub Date : 2024-09-05 eCollection Date: 2024-01-01 DOI: 10.4102/sajr.v28i1.2917
Katherine D Calver, Owen Terreblanche, Ilonka Warnich, Francisca van der Schyff
{"title":"Correlation between CT volumetry and actual graft weight in living donor liver transplants in South Africa.","authors":"Katherine D Calver, Owen Terreblanche, Ilonka Warnich, Francisca van der Schyff","doi":"10.4102/sajr.v28i1.2917","DOIUrl":"10.4102/sajr.v28i1.2917","url":null,"abstract":"<p><strong>Background: </strong>Liver transplantation is the definitive management for patients with end-stage liver disease. Preoperative computed tomography (CT) is used in living donor liver transplant (LDLT) for donor and graft selection as well as predicting graft weight.</p><p><strong>Objectives: </strong>The aim of this study is to establish the relationship between estimated graft volume (EGV) and actual graft weight (AGW) and ascertain a correlation coefficient that will improve the accuracy of EGV in a South African population.</p><p><strong>Method: </strong>The study included 117 LDLT between March 2013 and August 2022. Of these, 86 were left lateral (LL), 15 right lobe (R), 10 left lobe with caudate (LC), five left lobe (L) and one segment two (monosegment) grafts. Estimated graft volume and actual graft weight were compared using the Pearson coefficient and the relationship was illustrated with scatter plots.</p><p><strong>Results: </strong>Estimated graft volume and AGW had a strong positive correlation with a Pearson correlation (R) of 0.95 (<i>p</i> < 0.001). The relationship was significantly linear with a correlation coefficient of 0.71. The mean EGV was significantly higher than that of AGW (388 mL ± 249 mL vs. 353 g ± 184 g) with overestimation in 61% of cases. Left lateral and R grafts were the most prevalent LDLT graft type, both having a strong linear correlation between EGV and AGW.</p><p><strong>Conclusion: </strong>Applying a correlation coefficient of 0.71 will improve the accuracy of CT volumetry graft weight predictions.</p><p><strong>Contribution: </strong>A unique correlation coefficient will improve EGV accuracy, aiding in preoperative planning and mitigating post-operative complications in both donors and recipients.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":"28 1","pages":"2917"},"PeriodicalIF":0.7,"publicationDate":"2024-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11447610/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142373156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Malrotation with mid-gut volvulus and partial small bowel peritoneal membrane encapsulation. 肠旋转不良，中肠翻卷，部分小肠腹膜包裹。
IF 0.7
SA Journal of Radiology Pub Date : 2024-08-28 eCollection Date: 2024-01-01 DOI: 10.4102/sajr.v28i1.2936
Ryan Frerichs, Tanusha Sewchuran
{"title":"Malrotation with mid-gut volvulus and partial small bowel peritoneal membrane encapsulation.","authors":"Ryan Frerichs, Tanusha Sewchuran","doi":"10.4102/sajr.v28i1.2936","DOIUrl":"10.4102/sajr.v28i1.2936","url":null,"abstract":"<p><p>Urgent investigation is crucial for infants with bilious vomiting, potentially indicating bowel obstruction. Upper gastrointestinal fluoroscopy aids diagnosis, but is not without its challenges. This case report describes a rare case of neonatal intestinal malrotation and mid-gut volvulus with an additional complication of congenital peritoneal encapsulation.</p><p><strong>Contribution: </strong>This case study offers insights into associated diagnostic challenges and underscores the value of utilising fluoroscopy in diagnosing complex gastrointestinal conditions.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":"28 1","pages":"2936"},"PeriodicalIF":0.7,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11369743/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142126896","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Description of a concurrent thyroid haemangioma and a follicular adenoma. 甲状腺血管瘤和滤泡腺瘤并发症的描述
IF 0.7
SA Journal of Radiology Pub Date : 2024-07-31 eCollection Date: 2024-01-01 DOI: 10.4102/sajr.v28i1.2863
Liezel Coetzee, Wilhelmina Conradie, Razaan Davis, Rubina Razack
{"title":"Description of a concurrent thyroid haemangioma and a follicular adenoma.","authors":"Liezel Coetzee, Wilhelmina Conradie, Razaan Davis, Rubina Razack","doi":"10.4102/sajr.v28i1.2863","DOIUrl":"10.4102/sajr.v28i1.2863","url":null,"abstract":"<p><p>Thyroid gland vascular proliferations pose a challenge to pathologists, radiologists and surgeons. This is illustrated in the case of a 36-year-old woman who underwent a diagnostic thyroid lobectomy for a suspected follicular neoplasm according to cytology. Histological diagnosis confirmed a follicular adenoma as well as a cavernous haemangioma or venous malformation.</p><p><strong>Contribution: </strong>Thyroid vascular lesions are rare. Evolving nomenclature and application of the International Society for the Study of Vascular Anomalies classification are discussed. Pertinent radiological clues are highlighted to pre-empt the diagnosis and avoid potential surgical complications.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":"28 1","pages":"2863"},"PeriodicalIF":0.7,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11304353/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141903125","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Multiple myeloma in a young female presenting as an aggressive skull-base tumour. 一名年轻女性的多发性骨髓瘤，表现为侵袭性颅底肿瘤。
IF 0.7
SA Journal of Radiology Pub Date : 2024-07-31 eCollection Date: 2024-01-01 DOI: 10.4102/sajr.v28i1.2883
Ursula Lesar, Leon Janse van Rensburg, Siobhan Oelofsen, Kevin McCree, Christelle Ackerman, Razaan Davis
{"title":"Multiple myeloma in a young female presenting as an aggressive skull-base tumour.","authors":"Ursula Lesar, Leon Janse van Rensburg, Siobhan Oelofsen, Kevin McCree, Christelle Ackerman, Razaan Davis","doi":"10.4102/sajr.v28i1.2883","DOIUrl":"10.4102/sajr.v28i1.2883","url":null,"abstract":"<p><p>Plasma cell neoplasia has a wide presentation of disease (localised or systemic) according to the International Myeloma Working Group. Radiological imaging identifies plasmacytomas as solitary lesions or part of multiple myeloma. We present a rare case of a 21-year-old female who presented with a skull-base tumour.</p><p><strong>Contribution: </strong>A head and neck plasmacytoma with further lytic bone lesions was confirmed on imaging. This article presents and discusses the clinical, CT, MRI, positron emission tomography (PET)-CT, histology and laboratory findings.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":"28 1","pages":"2883"},"PeriodicalIF":0.7,"publicationDate":"2024-07-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11304403/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141903126","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Case report and presentation of a new classification system for hip acetabular and periacetabular ossifications and calcifications. 病例报告和髋臼及髋臼周围骨化和钙化的新分类系统介绍。
IF 0.9
SA Journal of Radiology Pub Date : 2024-05-31 eCollection Date: 2024-01-01 DOI: 10.4102/sajr.v28i1.2874
Luis Perez-Carro, Oscar Perez-Fernandez, Alvaro Cerezal Canga, T Jegathesan, Luis Antonio Ruiz-Villanueva, Luis Cerezal-Pesquera
{"title":"Case report and presentation of a new classification system for hip acetabular and periacetabular ossifications and calcifications.","authors":"Luis Perez-Carro, Oscar Perez-Fernandez, Alvaro Cerezal Canga, T Jegathesan, Luis Antonio Ruiz-Villanueva, Luis Cerezal-Pesquera","doi":"10.4102/sajr.v28i1.2874","DOIUrl":"10.4102/sajr.v28i1.2874","url":null,"abstract":"<p><p>This report describes a rare case in which double calcifications of the acetabular labrum and rectus femoris occurred concomitantly in a middle-aged female patient who was treated successfully with surgical intervention via hip arthroscopy.</p><p><strong>Contribution: </strong>This case highlights the existence of various types of calcifications around the acetabulum, with a proposed new classification system for acetabular and periacetabular rim ossifications.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":"28 1","pages":"2874"},"PeriodicalIF":0.9,"publicationDate":"2024-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11151462/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141262984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heterotaxy syndrome - An unusual cause for bowel obstruction in an adult. 异位综合征 - 导致成人肠梗阻的不常见原因。
IF 0.9
SA Journal of Radiology Pub Date : 2024-05-30 eCollection Date: 2024-01-01 DOI: 10.4102/sajr.v28i1.2831
Radhiya Minty, Tanaka Gomba, Rabia Abid
{"title":"Heterotaxy syndrome - An unusual cause for bowel obstruction in an adult.","authors":"Radhiya Minty, Tanaka Gomba, Rabia Abid","doi":"10.4102/sajr.v28i1.2831","DOIUrl":"10.4102/sajr.v28i1.2831","url":null,"abstract":"<p><p>Heterotaxy syndrome, also known as situs ambiguous, is a spectrum of pathology due to loss of the normal right-to-left asymmetry of the thoraco-abdominal organs. This report describes the case of a 39-year-old female, previously well, who presented with bowel obstruction. CT showed features of left isomerism, with malrotation and volvulus.</p><p><strong>Contribution: </strong>Heterotaxy syndrome consists of cardiac and non-cardiac manifestations. Imaging studies play a crucial role in the individualised management of the patient.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":"28 1","pages":"2831"},"PeriodicalIF":0.9,"publicationDate":"2024-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11151419/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141262986","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Suprasellar pilocytic astrocytoma with leptomeningeal dissemination. 小脑上皮细胞性星形细胞瘤伴有脑膜播散。
IF 0.9
SA Journal of Radiology Pub Date : 2024-05-27 eCollection Date: 2024-01-01 DOI: 10.4102/sajr.v28i1.2876
Siti S Mohamad Zaini, Hilwati Hashim, Emy S Rosani, Nor S Bakar, Suryati Mohd Yusoff
{"title":"Suprasellar pilocytic astrocytoma with leptomeningeal dissemination.","authors":"Siti S Mohamad Zaini, Hilwati Hashim, Emy S Rosani, Nor S Bakar, Suryati Mohd Yusoff","doi":"10.4102/sajr.v28i1.2876","DOIUrl":"10.4102/sajr.v28i1.2876","url":null,"abstract":"<p><p>Leptomeningeal dissemination is a rare manifestation of pilocytic astrocytoma. It may occur with higher-grade tumours like medulloblastoma, ependymoma and high-grade glioma, but is extremely rare with low-grade glioma. There has been a growing number of reported cases documenting leptomeningeal dissemination of pilocytic astrocytoma in the medical literature.</p><p><strong>Contribution: </strong>Description of a World Health Organization (WHO) Grade I suprasellar pilocytic astrocytoma with leptomeningeal dissemination in the brain and spinal cord which showed progression of the leptomeningeal nodules without tumour upgrading on long-term follow-up.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":"28 1","pages":"2876"},"PeriodicalIF":0.9,"publicationDate":"2024-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11151406/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141262988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chemical abscess post vein of Galen aneurysmal malformation embolisation with ethylene vinyl alcohol copolymer. 用乙烯-乙烯醇共聚物栓塞盖伦静脉动脉瘤畸形后的化学脓肿。
IF 0.9
SA Journal of Radiology Pub Date : 2024-04-30 eCollection Date: 2024-01-01 DOI: 10.4102/sajr.v28i1.2841
Uday Bhanu Kovilapu, Rahul Dudhal, Saurabh Maheshwari, Peeyush Dhagat, Umesh K Mishra
{"title":"Chemical abscess post vein of Galen aneurysmal malformation embolisation with ethylene vinyl alcohol copolymer.","authors":"Uday Bhanu Kovilapu, Rahul Dudhal, Saurabh Maheshwari, Peeyush Dhagat, Umesh K Mishra","doi":"10.4102/sajr.v28i1.2841","DOIUrl":"10.4102/sajr.v28i1.2841","url":null,"abstract":"<p><p>Vein of Galen aneurysmal malformation (VGAM) is a rare congenital malformation characterised by arteriovenous fistulas between primitive choroidal arteries and the median prosencephalic vein, the embryonic precursor to the vein of Galen. Endovascular techniques have changed the management of these patients with improved prognosis. An eight-month-old with VGAM managed by endovascular embolisation using ethylene vinyl alcohol copolymer (EVOH) developed a chemical abscess - a rare complication. It was managed conservatively and showed promising clinical outcome.</p><p><strong>Contribution: </strong>Chemical abscesses following EVOH embolisation are scarce - with imaging differentials, which include brain abscess and onyx granuloma. Knowledge and successful identification of this entity are essential as its management as prognoses differ. Chemical abscess is managed conservatively and has a good prognosis.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":"28 1","pages":"2841"},"PeriodicalIF":0.9,"publicationDate":"2024-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11079415/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140899938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Establishment of local diagnostic reference levels for CT colonography at a tertiary hospital. 在一家三级医院建立当地 CT 结肠造影诊断参考水平。
IF 0.9
SA Journal of Radiology Pub Date : 2024-01-31 eCollection Date: 2024-01-01 DOI: 10.4102/sajr.v28i1.2809
Filip M Kozłowski, Christoffel J van Reenen, Christoph J Trauernicht
{"title":"Establishment of local diagnostic reference levels for CT colonography at a tertiary hospital.","authors":"Filip M Kozłowski, Christoffel J van Reenen, Christoph J Trauernicht","doi":"10.4102/sajr.v28i1.2809","DOIUrl":"10.4102/sajr.v28i1.2809","url":null,"abstract":"<p><strong>Background: </strong>Diagnostic reference levels (DRLs) are an important metric in identifying abnormally high radiation doses in diagnostic examinations. National DRLs for CT colonography do not currently exist in South Africa, but there are efforts to collect data for a national DRL project.</p><p><strong>Objectives: </strong>This study investigated radiation doses for CT colonography in adult patients at a large tertiary hospital in South Africa with the aim of setting local DRLs.</p><p><strong>Method: </strong>Patient data from two CT scanners (Philips Ingenuity and Siemens Somatom go.Top) in the period March 2020 - March 2023 were obtained from the hospital's picture archiving and communication system (PACS) (<i>n</i> = 115). Analysis involved determining the median computed tomography dose index-volume (CTDI<sub>vol</sub>) and dose-length product (DLP) values. The findings were compared with DRLs established internationally.</p><p><strong>Results: </strong>Ingenuity median CTDI<sub>vol</sub> was 20 mGy and DLP was 2169 mGy*cm; Somatom median CTDI<sub>vol</sub> was 6 mGy and DLP was 557 mGy*cm. Ingenuity exceeded the United Kingdom's (UK) recommended DRLs by 82% and 214%, respectively. Somatom median CTDI<sub>vol</sub> and DLP were 45% and 19% lower than UK NDRLs.</p><p><strong>Conclusion: </strong>Somatom's tin filter and other dose reduction features provided significant dose reduction. These data were used to set DRLs for CT colonography at the hospital; CTDI<sub>vol</sub>: 6 mGy and DLP: 557 mGy*cm.</p><p><strong>Contribution: </strong>In addition to informing radiation protection practices at the level of the institution, the established local DRLs contribute towards implementing regional and national DRLs.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":"28 1","pages":"2809"},"PeriodicalIF":0.9,"publicationDate":"2024-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10839235/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139698547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Revisiting Rosai Dorfman disease: A rare histiocytic disorder with nodal and extranodal involvement. Rosai Dorfman病再探讨：一种罕见的淋巴结和结外受累的组织细胞性疾病。
IF 0.9
SA Journal of Radiology Pub Date : 2023-10-30 eCollection Date: 2023-01-01 DOI: 10.4102/sajr.v27i1.2729
Smily Sharma, Poonam Sherwani, Venkata S Arunachalam, Rahul Dev
{"title":"Revisiting Rosai Dorfman disease: A rare histiocytic disorder with nodal and extranodal involvement.","authors":"Smily Sharma,&nbsp;Poonam Sherwani,&nbsp;Venkata S Arunachalam,&nbsp;Rahul Dev","doi":"10.4102/sajr.v27i1.2729","DOIUrl":"https://doi.org/10.4102/sajr.v27i1.2729","url":null,"abstract":"<p><p>Rosai Dorfman disease is a rare but benign and self-limiting disorder. A case of Rosai Dorfman disease in a 16-year-old female with classic radiological and pathological findings is presented. T2W hypointense signal of the soft tissue masses was a distinguishing MRI feature.</p><p><strong>Contribution: </strong>Rosai Dorfman disease is often overlooked in the differentials of lymphadenopathy and soft tissue masses on account of its rarity. This case report comprehensively discusses the imaging approach to this rare disorder.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":"27 1","pages":"2729"},"PeriodicalIF":0.9,"publicationDate":"2023-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10623647/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71487168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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