Medical ultrasonography最新文献

{"title":"A preliminary study on the measurement of anal sphincter in healthy adult women by transluminal dual-plane shear wave elastography.","authors":"Linhua Yang, Hua Zhuang, Zexuan Yang, Fengqin Liu, Guijing Chen, Yongzhong Li, Liuying Zhou","doi":"10.11152/mu-4608","DOIUrl":"https://doi.org/10.11152/mu-4608","url":null,"abstract":"<p><strong>Aims: </strong>To evaluate the applicability of transluminal dual-plane shear wave elastography (SWE) for measuring the anal sphincter in healthy adult women.</p><p><strong>Material and methods: </strong>This prospective study recruited 140 healthy women between January 2023 and December 2024.</p><p><strong>Inclusion criteria: </strong>females ≥18 years, sexually active, no neurological/psychiatric disorders. Thickness of the internal and external anal sphincter (IAS, EAS) were measured at 3, 6, 9, and 12 o'clock positions under resting state (RS) and maximum anal contraction state (MACS). Young's modulus (YM) of EAS was also assessed at 3, 6, and 9'oclock. Statistical methods included paired t-tests or Wilcoxon tests, Friedman test or repeated measures ANOVA, and correlation analyses.</p><p><strong>Results: </strong>Median age was 45 years (IQR: 39-52). The EAS was undetectable at 12 o'clock position. IAS thickness showed no significant change with contraction; EAS thickness and YM increased significantly (all p<0.05), with the lowest values at 3 o'clock. BMI weakly correlated with EAS YM during contraction (r=0.231-0.293, all p<0.05). Women ≥45 years had lower EAS YM than younger women (p<0.05). Reliability was excellent (ICC: 0.88-0.96).</p><p><strong>Conclusions: </strong>Transluminal dual-plane SWE can effectively measure the anal sphincter, with differences suggesting clinical potential.</p>","PeriodicalId":94138,"journal":{"name":"Medical ultrasonography","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148280670","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":"Reducing unnecessary axillary lymph node biopsies using a quantitative ultrasound scoring system: analysis of 534 nodes.","authors":"Erkan Bilgin, Çetin İmamoglu, Ahmet Bayrak, Banu İnce Alkan, Ezel Yaltırık Bilgin","doi":"10.11152/mu-4611","DOIUrl":"https://doi.org/10.11152/mu-4611","url":null,"abstract":"<p><strong>Aim: </strong>Accurate assessment of axillary lymph nodes is crucial for breast cancer staging and clinical decision-making. This study evaluated the predictive value of quantitative morphologic ultrasound parameters and developed an objective scoring system to identify malignant axillary lymph nodes.</p><p><strong>Materials and methods: </strong>This retrospective study included 534 axillary lymph nodes with histopathological confirmation. Quantitative sonographic parameters-cortical thickness, cortex-to-short-axis ratio (C/S), and short-to-long-axis ratio (S/L)-were measured. Diagnostic performance was assessed using ROC analysis, and optimal cut-off values were determined. Multivariable logistic regression identified independent predictors of malignancy. A practical points-based scoring system, informed by the multivariable model and ROC findings, was developed to support standardized biopsy decisions.</p><p><strong>Results: </strong>Cortical thickness showed the highest discriminative ability (AUC=0.883; optimal cut-off = 5.0 mm; sensitivity = 90.3%, specificity = 70.9%). In the combined model, cortical thickness, C/S ratio, S/L ratio, and age were independently associated with malignancy (p<0.001).</p><p><strong>Conclusion: </strong>Quantitative cortical morphologic parameters, particularly cortical thickness, are strong predictors of axillary lymph node malignancy. A multiparametric approach improves diagnostic accuracy and provides a more objective, reproducible method to guide biopsy decisions.</p>","PeriodicalId":94138,"journal":{"name":"Medical ultrasonography","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148146032","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":"In the matter of primary thyroid leiomyosarcoma with sonographic diagnosis in thyroidology.","authors":"Ilker Sengul, Demet Sengul","doi":"10.11152/mu-4606","DOIUrl":"https://doi.org/10.11152/mu-4606","url":null,"abstract":"","PeriodicalId":94138,"journal":{"name":"Medical ultrasonography","volume":"28 1","pages":"4606"},"PeriodicalIF":2.3,"publicationDate":"2026-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147482966","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":"Femoral nail impingement with the quadriceps: an ultrasound case report on orthopedic hardware conflict.","authors":"Filippo Cotellessa, William Campanella, Riccardo Pedrini, Carlo Trompetto, Luca Puce, Michele Bisogni, Salvatore Massimo Stella, Orlando Catalano, Marco Becciolini","doi":"10.11152/mu-4561","DOIUrl":"10.11152/mu-4561","url":null,"abstract":"<p><p>Femoral shaft fractures are commonly treated with intramedullary nailing; however, this procedure can lead to complications. This study explores the role of ultrasound in diagnosing femoral hardware impingement. We present the findings in two patients with persistent thigh pain after femoral intramedullary nailing. Ultrasound successfully identified hardware impingement. Removal of the offending screw led to symptom resolution, with a follow-up US confirming the absence of residual conflicts.</p>","PeriodicalId":94138,"journal":{"name":"Medical ultrasonography","volume":" ","pages":"111-114"},"PeriodicalIF":2.3,"publicationDate":"2026-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145552521","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":"A case of primary retroperitoneal seminoma.","authors":"Lian-di Liu, Dawei Wang, Lin Li, Shuang Zheng","doi":"10.11152/mu-4601","DOIUrl":"https://doi.org/10.11152/mu-4601","url":null,"abstract":"","PeriodicalId":94138,"journal":{"name":"Medical ultrasonography","volume":"28 1","pages":"120-121"},"PeriodicalIF":2.3,"publicationDate":"2026-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147482745","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":"Diagnostic performance of Shear Wave Elastography and high-resolution ultrasound in non-melanoma skin cancer: a study of basal and squamous cell carcinomas.","authors":"Amalia Moisoiu, Carolina Maria Solomon, Tudor Moisoiu, Corina Bocsa, Adriana Filip, Corina Baican, Loredana Ungureanu, Sorina Dănescu, Simona Șenilă, Adrian Baican, Daniela Fodor","doi":"10.11152/mu-4540","DOIUrl":"10.11152/mu-4540","url":null,"abstract":"<p><strong>Aims: </strong>This study aimed to evaluate the diagnostic performance of shear wave elastography (SWE) in differentiating non-melanoma skin cancer (NMSC), including basal cell carcinoma (BCC) and squamous cell carcinoma (SCC), from benign skin lesions. A secondary objective was to assess the accuracy of high-resolution ultrasonography (HRUS) for preoperative tumormeasurement.</p><p><strong>Material and methods: </strong>A prospective study was conducted on 106 patients with clinically suspected NMSC or benign lesions (nevi). Each lesion was evaluated with SWE and HRUS using an 18 MHz probe, followed by surgical excision and histopathological confirmation. Among the confirmed malignancies, 46 were BCC and 15 SCC. The control group included 35 nevi diagnosed clinically and dermatoscopically. SWE stiffness values were compared across lesion types. Tumor length and depth measured by HRUS were validated against pathology using The Student's t-test or Mann-Whitney U test, Bland-Altman analysis and the Intraclass Correlation Coefficient (ICC).</p><p><strong>Results: </strong>SWE showed significantly higher stiffness in malignant versus benign lesions, with optimal thresholds of >13 kPa for BCC and >15 kPa for SCC. The area under the receiver operating characteristic curve (AUROC), was 0.95 for BCC and 0.99 for SCC. Differentiation between SCC and BCC was moderate (AUROC=0.70). HRUS accurately estimated tumor length (bias=1.31 mm, p>0.05; ICC=0.90), while depth was slightly overestimated (bias=0.87 mm, p<0.05; ICC=0.83).</p><p><strong>Conclusion: </strong>SWE and HRUS offer complementary, non-invasive tools for the diagnosis and preoperative assessment of BCC and SCC. SWE demonstrated high diagnostic accuracy for distinguishing NMSC from benign lesions, particularly nevi, by applying stiffness thresholds between 13-15 kPa. HRUS proved effective in estimating tumor length with good agreement to histopathology, though it showed a tendency to overestimate tumor depth.</p>","PeriodicalId":94138,"journal":{"name":"Medical ultrasonography","volume":" ","pages":"51-57"},"PeriodicalIF":2.3,"publicationDate":"2026-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145088756","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":"Effect of fine needle aspiration biopsy on change in thyroid nodule elasticity.","authors":"Mehmet Akçiçek, Nurullah Dağ, Lezan Keskin, Bülent Petik, Serkan Ünlü","doi":"10.11152/mu-4533","DOIUrl":"10.11152/mu-4533","url":null,"abstract":"<p><strong>Aims: </strong>This study aimed to investigate changes in the stiffness of thyroid nodules following fine needle aspiration biopsy (FNAB), using shear wave elastography (SWE), a non-invasive imaging technique utilized in thyroid nodule evaluation.</p><p><strong>Material and methods: </strong>A total of 82 patients scheduled to undergo FNAB for the first time were included. Ultrasound and SWE examinations were performed before the procedure and again 8 to 10 weeks after FNAB. Nodule stiffness was measured in kilopascals (kPa) during both evaluations, and changes in elasticity were assessed.</p><p><strong>Results: </strong>The mean SWE stiffness of the nodules significantly decreased from 21.80 ± 11.43 kPa before FNAB to 17.83 ± 9.98 kPa after FNAB (p = 0.001). Smoking status and serum free T3 levels were significantly associated with changes in SWE stiffness (p < 0.05). However, no significant difference was observed between TIRADS 3 and TIRADS 4 categories regarding the change in stiffness (p = 0.223).</p><p><strong>Conclusion: </strong>This study demonstrates a significant reduction in thyroid nodule stiffness after FNAB as measured by SWE. These post-biopsy changes may lead to potential misinterpretations in subsequent elastographic evaluations, possibly affecting diagnostic accuracy and clinical decision-making.</p>","PeriodicalId":94138,"journal":{"name":"Medical ultrasonography","volume":" ","pages":"27-32"},"PeriodicalIF":2.3,"publicationDate":"2026-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144823562","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":"Ultrasound shear wave elastography values of thymus in healthy children.","authors":"Ali Mahir Gündüz, Murat Başaranoğlu, Hale Nur Can, Saim Türkoğlu, Adem Yokuş, Sercan Özkaçmaz, Nurşen Toprak","doi":"10.11152/mu-4558","DOIUrl":"10.11152/mu-4558","url":null,"abstract":"<p><strong>Aim: </strong>The anatomy and aspect of the thymus varies with age. In this study, our aim is to determine the mean stiffness and the average shear wave velocity (SWV) of the thymus gland using shear wave elastography (SWE) in healthy children and to establish reference values.</p><p><strong>Materials and methods: </strong>Attention was paid to ensure that the thymus parenchyma was homogeneous in ultrasound (US) and that there was no abnormal vascularity in color Doppler US. Then, the thymus was examined by SWE. The tissue stiffness was evaluated and SWV was measured as m/s.</p><p><strong>Results: </strong>In our study, a total of 385 healthy children, including 191 girls and 194 boys between 0-18 years were included. The mean SWV values we obtained in SWE examinations were 0.735±0.117 m/s (range 0.51-1.20 m/s) in girls, 0.734±0.122 m/s (range 0.51-1.11 m/s) in boys, and 0.735±0.120 m/s (range 0.51-1.20 m/s) in all children.</p><p><strong>Conclusion: </strong>The SWE values we obtained can be used as reference values for healthy children. These results may be useful in the differential diagnosis of thymus pathologies and ET.</p>","PeriodicalId":94138,"journal":{"name":"Medical ultrasonography","volume":" ","pages":"33-37"},"PeriodicalIF":2.3,"publicationDate":"2026-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145491128","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":"Ectopia cordis: enhancing understanding with 3D reconstruction","authors":"Maria De Fátima Monteiro Pereira Leite, Carla Verona Barreto Farias, Jorge Lopes, Gerson Ribeiro, Nathalie Jeanne Bravo-Valenzuela, Edward Araujo Júnior, Heron Werner","doi":"10.11152/mu-4599","DOIUrl":"10.11152/mu-4599","url":null,"abstract":"","PeriodicalId":94138,"journal":{"name":"Medical ultrasonography","volume":"28 1","pages":"117-118"},"PeriodicalIF":2.3,"publicationDate":"2026-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147482949","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":"Why and when are activity scores and advanced ultrasound techniques needed in inflammatory bowel disease (IBD)?","authors":"Christian Jenssen, Frauke Petersen, Michael Höpfner, Dieter Nürnberg, Deike Strobel, Johanna Vogelpohl, Christoph F Dietrich","doi":"10.11152/mu-4500","DOIUrl":"10.11152/mu-4500","url":null,"abstract":"<p><p>In addition to avoidance of radiation exposure, the main advantages of ultrasound diagnostics in inflammatory bowel disease (IBD) patients are its' immediate availability, also as a component of the physical examination (extended point of care), its' repeatability and its' high patient comfort. The fact that the examination is carried out directly by the treating physician and is not delegated to the radiologist increases compliance and therapy adherence of the patients.In the current series of papers a synopsis of recommendations for ultrasound in IBD guidelines, ultrasound parameters in inflammatory bowel disease including activities scores, the value of contrast enhanced ultrasound (CEUS), small intestinal contrast ultrasound (SICUS) and elastography, perineal ultrasound (PNUS), endoscopic ultrasound (EUS) including endorectal ultrasound (ERUS), interventional ultrasound (INVUS), detection of disease complications (stenoses, fistula, abscess), extraintestinal manifestations, differential diagnosis, evaluation of treatment response and outlook are discussed and illustrated.</p>","PeriodicalId":94138,"journal":{"name":"Medical ultrasonography","volume":" ","pages":"58-69"},"PeriodicalIF":2.3,"publicationDate":"2026-03-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143733707","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}