Ultraschall in Der Medizin最新文献

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Prevalence and distribution of ultrasound-detected hand synovial abnormalities in a middle-aged and older population. 超声检测中老年人群手滑膜异常的患病率和分布。
IF 3.4 3区 医学
Ultraschall in Der Medizin Pub Date : 2024-06-01 Epub Date: 2023-03-07 DOI: 10.1055/a-2048-8782
Ting Jiang, Tuo Yang, Weiya Zhang, Michael Doherty, Yuqing Zhang, Chao Zeng, Aliya Sarmanova, Zidan Yang, Jiatian Li, Yilun Wang, Yuqing Wang, Abasiama D Obotiba, Guanghua Lei, Jie Wei
{"title":"Prevalence and distribution of ultrasound-detected hand synovial abnormalities in a middle-aged and older population.","authors":"Ting Jiang, Tuo Yang, Weiya Zhang, Michael Doherty, Yuqing Zhang, Chao Zeng, Aliya Sarmanova, Zidan Yang, Jiatian Li, Yilun Wang, Yuqing Wang, Abasiama D Obotiba, Guanghua Lei, Jie Wei","doi":"10.1055/a-2048-8782","DOIUrl":"10.1055/a-2048-8782","url":null,"abstract":"<p><strong>Objective: </strong>Synovial abnormalities are modifiable targets for hand pain and osteoarthritis. We examined the prevalence and distribution of ultrasound-detected hand synovial abnormalities in a community-derived sample of older people in China.</p><p><strong>Methods: </strong>Within the Xiangya Osteoarthritis Study, a community-based study, we assessed synovial hypertrophy (SH), joint effusion, and Power Doppler signal (PDS) on all fingers and thumbs of both hands using standardized ultrasound examinations (score: 0-3). We assessed distribution patterns of SH and effusion using χ2-test and interrelationships of SH and effusion in different joints and hands by generalized estimating equations.</p><p><strong>Results: </strong>Among 3,623 participants (mean age: 64.4 years; women: 58.1%), prevalence of SH, effusion and PDS were 85.5%, 87.3% and 1.5%, respectively. Prevalence of SH, effusion and PDS increased with age, was higher in the right hand than in the left hand and was more common in proximal than in distal hand joints. SH and effusion often occurred in multiple joints (P < 0.001). SH in one joint was strongly associated with presence of SH in the same joint of the opposite hand (odds ratio [OR]= 6.60, 95% confidence interval [CI]: 6.19-7.03) followed by SH in other joints in the same row, (OR=5.70, 95%CI: 5.32-6.11), and then other joints in the same ray of the same hand (OR=1.49, 95%CI: 1.39-1.60). Similar patterns were observed for effusion.</p><p><strong>Conclusion: </strong>Hand synovial abnormalities are common among older people, often affect multiple hand joints and present a unique pattern. These findings suggest both systemic and mechanical factors play roles in their occurrence.</p>","PeriodicalId":49400,"journal":{"name":"Ultraschall in Der Medizin","volume":" ","pages":"277-284"},"PeriodicalIF":3.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9395604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence of sonographic signs in women with uterine sarcoma: a systematic review and meta-analysis. 子宫肉瘤妇女超声征象的患病率:一项系统综述和荟萃分析。
IF 3.1 3区 医学
Ultraschall in Der Medizin Pub Date : 2024-06-01 Epub Date: 2023-08-10 DOI: 10.1055/a-2151-9205
Antonio Raffone, Diego Raimondo, Daniele Neola, Antonio Travaglino, Marisol Doglioli, Marco Ambrosio, Ivano Raimondo, Lucia De Meis, Luigi Carlo Turco, Francesco Cosentino, Renato Seracchioli, Paolo Casadio, Antonio Mollo
{"title":"Prevalence of sonographic signs in women with uterine sarcoma: a systematic review and meta-analysis.","authors":"Antonio Raffone, Diego Raimondo, Daniele Neola, Antonio Travaglino, Marisol Doglioli, Marco Ambrosio, Ivano Raimondo, Lucia De Meis, Luigi Carlo Turco, Francesco Cosentino, Renato Seracchioli, Paolo Casadio, Antonio Mollo","doi":"10.1055/a-2151-9205","DOIUrl":"10.1055/a-2151-9205","url":null,"abstract":"<p><strong>Objective: </strong>To assess the prevalence of sonographic signs in women with uterine sarcoma.</p><p><strong>Materials and methods: </strong>A systematic review and meta-analysis were performed. Five electronic databases were searched from inception to June 2022 for all studies allowing calculation of the prevalence of sonographic signs in women with uterine sarcoma. Pooled prevalence with 95% confidence intervals was calculated for each sonographic sign and was a priori defined as \"very high\" when it was ≥ 80%, \"high\" when it ranged from 80% to 70%, and less relevant when it was ≤ 70%.</p><p><strong>Results: </strong>6 studies with 317 sarcoma patients were included. The pooled prevalence was: · 25.0% (95%CI:15.4-37.9%) for absence of visibility of the myometrium. · 80.5% (95%CI:74.8-85.2%) for solid component. · 78.3% (95%CI:59.3-89.9%) for inhomogeneous echogenicity of solid component. · 47.9% (95%CI:41.1-54.8%) for cystic areas. · 80.7% (95%CI:68.3-89.0%) for irregular walls of cystic areas. · 72.3% (95%CI:16.7-97.2%) for anechoic cystic areas. · 54.8% (95%CI:34.0-74.1%) for absence of shadowing. · 73.5% (95%CI:43.3-90.9%) for absence of calcifications. · 48.7% (95%CI:18.6-79.8%) for color score 3 or 4. · 47.3% (95%CI:37.0-57.8%) for irregular tumor borders. · 45.4% (95%CI:27.6-64.3%) for endometrial cavity not visualizable. · 10.9% (95%CI:3.5-29.1%) for free pelvic fluid. · 6.4% (95%CI:1.1-30.2%) for ascites. · 21.2% (95%CI:2.1-76.8%) for intracavitary process. · 81.5% (95%CI:56.1-93.8%) for singular lesion..</p><p><strong>Conclusion: </strong>Solid component, irregular walls of cystic areas, and singular lesions are signs with very high prevalence, while inhomogeneous echogenicity of solid component, anechoic cystic areas, and absence of calcifications are signs with high prevalence. The remaining signs were less relevant.</p>","PeriodicalId":49400,"journal":{"name":"Ultraschall in Der Medizin","volume":" ","pages":"293-304"},"PeriodicalIF":3.1,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9964721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Transverse limb deficiency of the upper extremities. 上肢横向缺肢。
IF 3.4 3区 医学
Ultraschall in Der Medizin Pub Date : 2024-06-01 Epub Date: 2024-06-04 DOI: 10.1055/a-2285-8251
Philipp Klaritsch
{"title":"Transverse limb deficiency of the upper extremities.","authors":"Philipp Klaritsch","doi":"10.1055/a-2285-8251","DOIUrl":"10.1055/a-2285-8251","url":null,"abstract":"","PeriodicalId":49400,"journal":{"name":"Ultraschall in Der Medizin","volume":"45 3","pages":"220-231"},"PeriodicalIF":3.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141248988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction: Prevalence and distribution of ultrasound-detected hand synovial abnormalities in a middle-aged and older population. 更正:中老年人群中超声检测到的手滑膜异常的患病率和分布。
IF 3.4 3区 医学
Ultraschall in Der Medizin Pub Date : 2024-06-01 Epub Date: 2023-11-03 DOI: 10.1055/a-2195-7358
Ting Jiang, Tuo Yang, Weiya Zhang, Michael Doherty, Yuqing Zhang, Chao Zeng, Aliya Sarmanova, Zidan Yang, Jiatian Li, Yilun Wang, Yuqing Wang, Abasiama D Obotiba, Guanghua Lei, Jie Wei
{"title":"Correction: Prevalence and distribution of ultrasound-detected hand synovial abnormalities in a middle-aged and older population.","authors":"Ting Jiang, Tuo Yang, Weiya Zhang, Michael Doherty, Yuqing Zhang, Chao Zeng, Aliya Sarmanova, Zidan Yang, Jiatian Li, Yilun Wang, Yuqing Wang, Abasiama D Obotiba, Guanghua Lei, Jie Wei","doi":"10.1055/a-2195-7358","DOIUrl":"10.1055/a-2195-7358","url":null,"abstract":"","PeriodicalId":49400,"journal":{"name":"Ultraschall in Der Medizin","volume":" ","pages":"e1"},"PeriodicalIF":3.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71488016","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deep learning radiomics of multimodal ultrasound for classifying metastatic cervical lymphadenopathy into primary cancer sites: a feasibility study. 将转移性宫颈淋巴结病分为原发癌部位的多模态超声深度学习放射组学:一项可行性研究。
IF 3.4 3区 医学
Ultraschall in Der Medizin Pub Date : 2024-06-01 Epub Date: 2023-12-05 DOI: 10.1055/a-2161-9369
Yangyang Zhu, Zheling Meng, Hao Wu, Xiao Fan, Wenhao Lv, Jie Tian, Kun Wang, Fang Nie
{"title":"Deep learning radiomics of multimodal ultrasound for classifying metastatic cervical lymphadenopathy into primary cancer sites: a feasibility study.","authors":"Yangyang Zhu, Zheling Meng, Hao Wu, Xiao Fan, Wenhao Lv, Jie Tian, Kun Wang, Fang Nie","doi":"10.1055/a-2161-9369","DOIUrl":"10.1055/a-2161-9369","url":null,"abstract":"<p><strong>Purpose: </strong>To investigate the feasibility of deep learning radiomics (DLR) based on multimodal ultrasound to differentiate the primary cancer sites of metastatic cervical lymphadenopathy (CLA).</p><p><strong>Materials and methods: </strong>This study analyzed 280 biopsy-confirmed metastatic CLAs from 280 cancer patients, including 54 from head and neck squamous cell carcinoma (HNSCC), 58 from thyroid cancer (TC), 92 from lung cancer (LC), and 76 from gastrointestinal cancer (GIC). Before biopsy, patients underwent conventional ultrasound (CUS), ultrasound elastography (UE), and contrast-enhanced ultrasound (CEUS). Based on CUS, DLR models using CUS, CUS+UE, CUS+CEUS, and CUS+UE+CEUS data were developed and compared. The best model was integrated with key clinical indicators selected by univariate analysis to achieve the best classification performance.</p><p><strong>Results: </strong>All DLR models achieved similar performance with respect to classifying four primary tumor sites of metastatic CLA (AUC:0.708~0.755). After integrating key clinical indicators (age, sex, and neck level), the US+UE+CEUS+clinical model yielded the best performance with an overall AUC of 0.822 in the validation cohort, but there was no significance compared with the basal CUS+clinical model (P>0.05), both of which identified metastasis from HNSCC, TC, LC, and GIC with 0.869 and 0.911, 0.838 and 0.916, 0.750 and 0.610, and 0.829 and 0.769, respectively.</p><p><strong>Conclusion: </strong>The ultrasound-based DLR model can be used to classify the primary cancer sites of metastatic CLA, and the CUS combined with clinical indicators is adequate to provide a high discriminatory performance. The addition of the combination of UE and CEUS data is expected to further improve performance.</p>","PeriodicalId":49400,"journal":{"name":"Ultraschall in Der Medizin","volume":" ","pages":"305-315"},"PeriodicalIF":3.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138488881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Fracture sonography - Literature review and current recommendations. 骨折超声检查 - 文献综述和当前建议。
IF 3.4 3区 医学
Ultraschall in Der Medizin Pub Date : 2024-06-01 Epub Date: 2024-02-23 DOI: 10.1055/a-2225-7320
Ole Ackermann, Daniel Berthold, Christian Fischer, Kay Grosser, Christina Hauenstein, Sebastian Kluge, Jörg D Moritz, Christian Tesch, Constantin V Kaisenberg
{"title":"Fracture sonography - Literature review and current recommendations.","authors":"Ole Ackermann, Daniel Berthold, Christian Fischer, Kay Grosser, Christina Hauenstein, Sebastian Kluge, Jörg D Moritz, Christian Tesch, Constantin V Kaisenberg","doi":"10.1055/a-2225-7320","DOIUrl":"10.1055/a-2225-7320","url":null,"abstract":"<p><strong>Purpose: </strong>Over the course of more than two years, an expert group of 9 professional societies has created the S2e guidelines for fracture sonography. This publication summarizes the key points regarding the individual indications.</p><p><strong>Materials and methods: </strong>A systematic literature search was performed in PubMed, Google Scholar, and the Cochrane Database of Systematic Reviews from 2000 to March 2021 with evaluation of the literature lists. Randomized controlled clinical trials, observational clinical trials, meta-analyses, and systematic reviews were included. Guidelines, conferences, reviews, case reports, and expert opinions were excluded. Evidence was graded using the SIGN grading system 1999-2012, and the SIGN tables were then presented to the expert group. These were used to develop specific recommendations for the use of fracture sonography. All recommendations were discussed in detail and finally unanimously agreed upon.</p><p><strong>Results: </strong>Of the 520 primary literature sources found, 182 sources (146 clinical studies and 36 meta-analyses and systematic reviews) were evaluated after screening and content assessment. 21 indications that allow reasonable application of fracture sonography were identified.</p><p><strong>Conclusion: </strong>Ultrasound is a sensible, easy-to-use diagnostic method that is feasible for a large number of indications.</p>","PeriodicalId":49400,"journal":{"name":"Ultraschall in Der Medizin","volume":" ","pages":"269-276"},"PeriodicalIF":3.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139941095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sonomorphologic Changes in Colorectal Deep Endometriosis: The Long-Term Impact of Age and Hormonal Treatment. 结肠直肠深部子宫内膜异位症的形态学变化:年龄和激素治疗的长期影响
IF 3.4 3区 医学
Ultraschall in Der Medizin Pub Date : 2024-06-01 Epub Date: 2023-12-15 DOI: 10.1055/a-2209-5653
Simon Keckstein, Juergen Dippon, Gernot Hudelist, Philippe Koninckx, George Condous, Lennard Schroeder, Joerg Keckstein
{"title":"Sonomorphologic Changes in Colorectal Deep Endometriosis: The Long-Term Impact of Age and Hormonal Treatment.","authors":"Simon Keckstein, Juergen Dippon, Gernot Hudelist, Philippe Koninckx, George Condous, Lennard Schroeder, Joerg Keckstein","doi":"10.1055/a-2209-5653","DOIUrl":"10.1055/a-2209-5653","url":null,"abstract":"<p><strong>Purpose: </strong>The progression of deep endometriosis (DE) in women of reproductive age is highly variable. This study aimed to analyze the sonomorphological changes of rectal endometriosis over long periods of time and the influence of hormonal treatment.</p><p><strong>Methods: </strong>This retrospective study included premenopausal women with rectal DE treated conservatively between 2002 and 2021. The lesion length and thickness of the nodule were evaluated at regular intervals over time. We created statistical models with mixed effects to identify potential factors influencing lesion progression and regression.</p><p><strong>Results: </strong>38 patients were monitored over a mean period of 7.2 (± 4.2) years with a mean of 3.1 (± 2.1) check-ups within the observation period. We detected a significant increase in lesion length until the end of the fourth decade of life. In addition, we found a substantial decrease in the length and thickness of the nodule depending on the length of hormonal treatment.</p><p><strong>Conclusion: </strong>In conservatively managed patients with rectal endometriosis, without hormonal therapy, lesion size can exhibit a moderate increase up to the end of the fourth decade of life, after which it appears to stabilize. This increase does not follow a linear pattern. Hormonal therapy is crucial in impeding further progression, resulting in either a cessation or a regression of lesion growth.</p>","PeriodicalId":49400,"journal":{"name":"Ultraschall in Der Medizin","volume":" ","pages":"285-292"},"PeriodicalIF":3.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138812367","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correction: Deep learning radiomics of multimodal ultrasound for classifying metastatic cervical lymphadenopathy into primary cancer sites: a feasibility study. 更正:将转移性宫颈淋巴结病分为原发癌部位的多模态超声深度学习放射组学:一项可行性研究。
IF 3.4 3区 医学
Ultraschall in Der Medizin Pub Date : 2024-06-01 Epub Date: 2024-01-12 DOI: 10.1055/a-2235-8731
Yangyang Zhu, Zheling Meng, Hao Wu, Xiao Fan, Wenhao Lv, Jie Tian, Kun Wang, Fang Nie
{"title":"Correction: Deep learning radiomics of multimodal ultrasound for classifying metastatic cervical lymphadenopathy into primary cancer sites: a feasibility study.","authors":"Yangyang Zhu, Zheling Meng, Hao Wu, Xiao Fan, Wenhao Lv, Jie Tian, Kun Wang, Fang Nie","doi":"10.1055/a-2235-8731","DOIUrl":"10.1055/a-2235-8731","url":null,"abstract":"","PeriodicalId":49400,"journal":{"name":"Ultraschall in Der Medizin","volume":" ","pages":"e2"},"PeriodicalIF":3.4,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139433044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Noninvasive diagnostic imaging of pelvic venous disorders. 盆腔静脉疾病的无创诊断成像。
IF 3.4 3区 医学
Ultraschall in Der Medizin Pub Date : 2024-05-06 DOI: 10.1055/a-2263-7193
Filip Szkodziak, Slawomir Wozniak, Piotr Robert Szkodziak, Krzysztof Pyra, Tomasz Paszkowski
{"title":"Noninvasive diagnostic imaging of pelvic venous disorders.","authors":"Filip Szkodziak, Slawomir Wozniak, Piotr Robert Szkodziak, Krzysztof Pyra, Tomasz Paszkowski","doi":"10.1055/a-2263-7193","DOIUrl":"10.1055/a-2263-7193","url":null,"abstract":"<p><p>It is estimated that chronic pelvic pain (CPP) may affect up to 24% of women. Unfortunately, very often, despite extensive diagnostics, the cause of CPP remains unknown. The pathophysiology of CPP could be explained to a large extent by the occurrence of pelvic venous disorders (PVD). Although pelvic venography is still considered the gold standard for the diagnosis of PVD, noninvasive diagnostic imaging techniques seem to be instrumental in the initial identification of patients with PVD. This literature review aimed to analyze and evaluate the usefulness of noninvasive diagnostic imaging techniques like transvaginal ultrasonography, transabdominal ultrasonography, magnetic resonance, and computed tomography in the diagnosis and identification of patients with PVD. Forty-one articles published between 1984 and 2023 were included in this literature review. Based on this literature review, we conclude that the clinical application of noninvasive diagnostic techniques in the diagnosis of PVD seems to be very promising. Future studies investigating the role of noninvasive diagnostic imaging techniques in the diagnosis of PVD are required.</p>","PeriodicalId":49400,"journal":{"name":"Ultraschall in Der Medizin","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139703881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Low-cost simulation model for ultrasound-guided punch biopsy and puncture: Construction manual and photo examples. 超声引导下打孔活检和穿刺的低成本模拟模型:构造手册和图片示例。
IF 3.4 3区 医学
Ultraschall in Der Medizin Pub Date : 2024-04-29 DOI: 10.1055/a-2292-0530
Theresa Lüdke, Alexander Paliege, Anne Kluge, Falk-Tony Olesch, Gregor Hilger, Thomas Beleites, Max Kemper
{"title":"Low-cost simulation model for ultrasound-guided punch biopsy and puncture: Construction manual and photo examples.","authors":"Theresa Lüdke, Alexander Paliege, Anne Kluge, Falk-Tony Olesch, Gregor Hilger, Thomas Beleites, Max Kemper","doi":"10.1055/a-2292-0530","DOIUrl":"10.1055/a-2292-0530","url":null,"abstract":"<p><strong>Purpose: </strong>Ultrasound-guided puncture and punch biopsy pose a particular challenge in ultrasound examination training. These techniques should be learned and performed several times using a simulation model that is as realistic as possible before being applied to patients. While the use of agar-agar-based models is extensively documented in the literature, there is a discernible gap in publications specifically addressing their use in punch biopsy and puncture. The aim was to develop a cost-effective model for the simulation of ultrasound-guided interventions.</p><p><strong>Materials and methods: </strong>The developed simulation model is based on the vegetable gelatine agar-agar. The agar-agar powder is boiled in water and colored. Various objects are added to the mass. Blueberries, olives, tomatoes, and cornichons imitate solid structures. Liquid-filled balloons are used to simulate cystic structures. Adding stones can make the exercises more difficult due to hyperechoic reflexes with distal shadowing.</p><p><strong>Results: </strong>With the model, ultrasound-guided puncture and punch biopsies could be successfully simulated, and ultrasound images can be generated for this purpose. The cost of a single model is about 2 euros. Production takes less than 2 hours, including cooling. The pure processing time is 30 minutes. The durability of the models is limited by mold, which occurs after 5 days when stored at room temperature and after 5 weeks in the refrigerator.</p><p><strong>Conclusion: </strong>It was shown that it is possible to produce an inexpensive agar-agar-based ultrasound model in a short time and with easily available ingredients to learn ultrasound-guided puncture and punch biopsies.</p>","PeriodicalId":49400,"journal":{"name":"Ultraschall in Der Medizin","volume":" ","pages":""},"PeriodicalIF":3.4,"publicationDate":"2024-04-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140186079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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