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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":null,"pages":null},"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":null,"pages":null},"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":null,"pages":null},"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":null,"pages":null},"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":null,"pages":null},"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
Superior labrum anterior to posterior lesions: Part 1 - Imaging and anatomy with arthroscopic classification. 上唇前后病变：第1部分——关节镜分类的影像学和解剖学。
IF 0.9
SA Journal of Radiology Pub Date : 2023-10-26 eCollection Date: 2023-01-01 DOI: 10.4102/sajr.v27i1.2706
Peter Mercouris, Matthew Mercouris
{"title":"Superior labrum anterior to posterior lesions: Part 1 - Imaging and anatomy with arthroscopic classification.","authors":"Peter Mercouris,&nbsp;Matthew Mercouris","doi":"10.4102/sajr.v27i1.2706","DOIUrl":"https://doi.org/10.4102/sajr.v27i1.2706","url":null,"abstract":"<p><p>The glenoid labrum deepens the glenoid fossa and allows for the attachment of the long head of the biceps tendon and the glenohumeral ligaments, contributing to the stability of the glenohumeral joint. The superior labrum is a common site of labral injury, especially in athletic activities involving overhead activity. The acronym SLAP (superior labrum anterior to posterior or anteroposterior) lesion was introduced by Snyder and colleagues in 1990 to describe superior labral tears. The article will review the optimal technique to image the glenoid labrum, covering normal labral anatomy with special emphasis on the anatomic variants of the labrum that can be mistaken for SLAP tears by means of colour illustrations, magnetic resonance imaging and correlative arthroscopy images.</p><p><strong>Contribution: </strong>The illustrated review functions as a crucial radiological guide for both radiologists and orthopaedic surgeons. The combination of illustrations, MR and correlative arthroscopic images enhances the comprehension of normal labral anatomy and its variants. The review underscores the significance of understanding anatomic variations that may be misinterpreted as pathology. This understanding is vital in guiding orthopaedic management for patients, ensuring appropriate treatment strategies.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10623653/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71487169","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
Cystic lung tuberculosis in children: A series of five cases. 儿童囊性肺结核：5例系列病例。
IF 0.9
SA Journal of Radiology Pub Date : 2023-09-28 eCollection Date: 2023-01-01 DOI: 10.4102/sajr.v27i1.2725
Chetna Mishra, Pooja Abbey, Rama Anand, Varinder Singh, Ravinder Kaur
{"title":"Cystic lung tuberculosis in children: A series of five cases.","authors":"Chetna Mishra,&nbsp;Pooja Abbey,&nbsp;Rama Anand,&nbsp;Varinder Singh,&nbsp;Ravinder Kaur","doi":"10.4102/sajr.v27i1.2725","DOIUrl":"https://doi.org/10.4102/sajr.v27i1.2725","url":null,"abstract":"<p><p>Frequent imaging manifestations of pulmonary tuberculosis are airspace or interstitial nodules with or without tree-in-bud nodules, consolidation, cavitation, ground glass opacity, miliary nodules, lymphadenopathy and pleural effusion. It is unusual to encounter cystic changes in patients with pulmonary tuberculosis, and these findings should be differentiated from other cystic lung diseases. This case series describes five cases of cystic lung disease in children with tuberculosis (TB) with illustrative chest radiography and CT findings.</p><p><strong>Contribution: </strong>The manuscript highlights the need to consider tuberculosis as a possible cause of acquired cystic lung disease in appropriate clinical settings, particularly in endemic regions.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10546250/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41142920","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
Calcinosis circumscripta of the breasts: The deeper meaning. 乳腺局限性钙化症：更深层次的含义。
IF 0.9
SA Journal of Radiology Pub Date : 2023-09-27 eCollection Date: 2023-01-01 DOI: 10.4102/sajr.v27i1.2730
Tanusha Sewchuran, Joel M Kabeya
{"title":"Calcinosis circumscripta of the breasts: The deeper meaning.","authors":"Tanusha Sewchuran,&nbsp;Joel M Kabeya","doi":"10.4102/sajr.v27i1.2730","DOIUrl":"10.4102/sajr.v27i1.2730","url":null,"abstract":"<p><p>Calcinosis circumscripta involving the breasts usually hints at an underlying systemic cause, most commonly connective tissue disorders such as scleroderma or dermatomyositis. Localised scleroderma, also known as morphoea, is not usually associated with the systemic anomalies affecting the lungs and gastrointestinal system, but does manifest as calcified dermal and subdermal sclerotic plaques. Histological confirmation with skin biopsy is diagnostic.</p><p><strong>Contribution: </strong>Recognition of the atypical, bizarre, linear dystrophic calcifications on mammography should direct appropriate systemic investigations.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10546231/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41172317","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
Ipsilateral renal dysgenesis or agenesis with tubulocystic anomalies of the mesonephric duct. 同侧肾发育不全或发育不全伴中肾管管囊肿异常。
IF 0.9
SA Journal of Radiology Pub Date : 2023-09-26 eCollection Date: 2023-01-01 DOI: 10.4102/sajr.v27i1.2700
Anagha R Joshi, Mridula M Muthe, Sheethal Gonapati, Mehak R Agarwal, Pareekshith R Rai
{"title":"Ipsilateral renal dysgenesis or agenesis with tubulocystic anomalies of the mesonephric duct.","authors":"Anagha R Joshi,&nbsp;Mridula M Muthe,&nbsp;Sheethal Gonapati,&nbsp;Mehak R Agarwal,&nbsp;Pareekshith R Rai","doi":"10.4102/sajr.v27i1.2700","DOIUrl":"https://doi.org/10.4102/sajr.v27i1.2700","url":null,"abstract":"<p><p>Tubulocystic anomalies of the mesonephric duct (MND) are a rare group of related entities with a perplexing clinical presentation. Ultrasound is a useful screening investigation, which can help identify a dysplastic kidney or point to renal agenesis and identify cystic or tubulocystic changes in the structures derived from the ureteric bud or MND. Further evaluation with MRI can help in characterisation and direct management. The presence of a dysplastic kidney or absence of a kidney should prompt further evaluation for associated ureteric abnormalities such as ectopic insertion or ureterocoele, which could lead to a diagnosis of tubulocystic anomaly of the MND.</p><p><strong>Contribution: </strong>The authors describe two cases, briefly outline the diagnostic approach and summarise the literature on management. Reporting radiologists should be aware of these entities.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10546241/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41158615","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
Dual-energy index variation when evaluating the potential ferromagnetism of ex vivo bullets. 评估离体子弹潜在铁磁性时的双能指数变化
IF 0.9
SA Journal of Radiology Pub Date : 2023-07-27 eCollection Date: 2023-01-01 DOI: 10.4102/sajr.v27i1.2701
Francois A van der Merwe, Eugene Loggenberg
{"title":"Dual-energy index variation when evaluating the potential ferromagnetism of ex vivo bullets.","authors":"Francois A van der Merwe, Eugene Loggenberg","doi":"10.4102/sajr.v27i1.2701","DOIUrl":"10.4102/sajr.v27i1.2701","url":null,"abstract":"<p><strong>Background: </strong>An MRI is potentially hazardous for patients with retained ferromagnetic bullets. Recent studies have aimed to develop dual-energy computed tomography (DECT) as a screening tool for recognising highly ferromagnetic bullets. Inconsistent findings have been ascribed to inherent CT technology differences. Previous research demonstrated significant Hounsfield unit (HU) measurement variation among single-source CT machines.</p><p><strong>Objectives: </strong>This study investigated the theoretical dual-energy index (DEI) variation between DECT machines when evaluating the potential ferromagnetic properties within the same sample of ex vivo bullets and metal phantoms.</p><p><strong>Method: </strong>An experimental ex vivo study was conducted on eight metal phantoms and 10 unused bullets individually positioned in the same Perspex head phantom and scanned on two DECT machines. Two senior radiology registrars independently recorded the HU readings, and DEI values were calculated. Statistical analysis was performed using non-parametric methods for paired data, namely the Signed Rank Test. The DEI values based on mean HU readings between the DECT machines were compared.</p><p><strong>Results: </strong>Inter- and intra-reader agreement was not statistically significant. The metal phantoms had poor interscanner agreement, with an overlap of the ferromagnetic and non-ferromagnetic ranges. The bullets had good interscanner agreement, with a similar ferromagnetic to non-ferromagnetic relationship.</p><p><strong>Conclusion: </strong>The use of DEI values negates the previous assumption that significant interscanner variability exists among different DECT technologies while assessing highly attenuative ex vivo bullets.</p><p><strong>Contribution: </strong>This investigation demonstrated that even though HU readings may be variable, the implementation of the DEI equation translates this into comparable values with good interscanner agreement.</p>","PeriodicalId":43442,"journal":{"name":"SA Journal of Radiology","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-07-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10696535/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44034242","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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