Journal of Medical Ultrasonics最新文献

{"title":"Correction: Ultrasonographic diagnosis of cervical lymph nodes.","authors":"Daisuke Saito, Kiyoto Shiga","doi":"10.1007/s10396-025-01538-z","DOIUrl":"https://doi.org/10.1007/s10396-025-01538-z","url":null,"abstract":"","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143796952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dynamic feature of infrapatellar fat pad during walking in patients with knee osteoarthritis.","authors":"Miharu Sugimoto, Yosuke Ishii, Yuko Nakashima, Goki Kamei, Akinori Nekomoto, Takato Hashizume, Riko Okinaka, Kohei Matsumura, Makoto Takahashi, Nobuo Adachi","doi":"10.1007/s10396-025-01518-3","DOIUrl":"10.1007/s10396-025-01518-3","url":null,"abstract":"<p><strong>Purpose: </strong>The infrapatellar fat pad (IFP) absorbs mechanical stress in the knee joint owing to flexible morphological changes. The IFP is a key factor in knee osteoarthritis (OA); however, its dynamic feature during walking remains unknown. This study aimed to investigate whether the morphological changes in the IFP during walking involve specific features for patients with knee OA.</p><p><strong>Methods: </strong>Twelve patients with knee OA, 12 healthy young volunteers, and 12 healthy elderly volunteers were recruited. The IFP was evaluated using ultrasonography, and dynamics were recorded in video mode during walking. The IFP value was identified as the thickness between the patellar tendon and proximal tibial line. The morphological change in the IFP (ΔIFP) was shown as the difference in IFP value between maximum and at initial contact on the waveform. Kinematics and kinetics data were evaluated using a three-dimensional motion analysis system synchronized with ultrasonography, and the knee flexion angle and its moment in the stance phase were evaluated.</p><p><strong>Results: </strong>In the patients with knee OA, the ΔIFP was lower than that in healthy volunteers, but there was no difference between control groups (knee OA: 1.4 ± 0.3 mm, elderly control: 1.8 ± 0.2 mm, young control: 2.1 ± 0.5 mm, p < 0.05). In all the groups, there was no significant correlation between the IFP values and kinetic parameters, including the range of knee flexion angles and gait speed.</p><p><strong>Conclusion: </strong>Insufficient morphological changes in the IFP during walking could be a feature of knee OA.</p>","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":"219-226"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12018517/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143477176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Vascular retained products of conception at cesarean scar mimicking hydatidiform mole.","authors":"Munekage Yamaguchi","doi":"10.1007/s10396-024-01514-z","DOIUrl":"10.1007/s10396-024-01514-z","url":null,"abstract":"","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":"265-266"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142958183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Impact of adipocytes on ultrasound evaluation of parathyroid adenomas.","authors":"Tomoko Fujimoto, Mitsuyoshi Hirokawa, Ayana Suzuki, Maki Oshita, Hiroyuki Yamaoka, Makoto Fujishima, Naoyoshi Onoda, Akira Miyauchi, Takashi Akamizu","doi":"10.1007/s10396-024-01511-2","DOIUrl":"10.1007/s10396-024-01511-2","url":null,"abstract":"<p><strong>Purpose: </strong>Parathyroid lipoadenomas are difficult to recognize preoperatively; hence, they may remain undetected. Difficulty in recognition is thought to be due to the adipocytes present in the tumor. This study aimed to clarify the impact of adipocytes as a component of parathyroid adenomas on ultrasound evaluation.</p><p><strong>Methods: </strong>Eighteen parathyroid adenoma cases, in which the adipose tissue accounted for more than 10% of the tumors, were included in this study. Of these, five were consistent with lipoadenomas. Twenty-five consecutive patients with parathyroid adenoma without adipocytes were used as controls.</p><p><strong>Results: </strong>Ultrasonography revealed a lipoadenoma detection rate of 20.0%. This increased to 80.0% at re-examinations performed after obtaining information from other imaging modalities. Compared with parathyroid adenoma cases with no adipocytes or few adipocytes, the frequencies of ill-defined margins, iso- and/or hyperechogenicity, heterogeneous consistency with a two-tone pattern, poor vascular flow, no polar artery, and no hyperechoic line were significantly higher in parathyroid lipoadenoma cases. The hyperechoic and isoechoic areas in tumors with a two-tone pattern correspond to adipocyte- and parathyroid cell-rich areas, respectively. The lipoadenoma tumor sizes measured using ultrasound tended to be smaller than the actual sizes.</p><p><strong>Conclusions: </strong>The characteristic ultrasound findings of lipoadenomas were clearly different from those of parathyroid adenomas with or without adipocytes. We believe that our findings may contribute to an increased detection rate of lipoadenomas and allow us to consider them in the differential diagnosis.</p>","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":"237-243"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12018633/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142899416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ultrasound findings of unplanned extraction of tunneled central venous catheters due to complications within subcutaneous tissue.","authors":"Takahiro Hosokawa, Yumiko Sato, Yutaka Tanami, Eiji Oguma","doi":"10.1007/s10396-025-01519-2","DOIUrl":"10.1007/s10396-025-01519-2","url":null,"abstract":"<p><strong>Purpose: </strong>Tunneled central venous catheters (CVC) are essential medical devices for pediatric patients facing extended treatment periods. This study aimed to demonstrate the usefulness of ultrasound in evaluating complications in subcutaneous tissue associated with unplanned extraction of tunneled CVC.</p><p><strong>Methods: </strong>Twenty-five patients who underwent ultrasound examination for suspected complications in the subcutaneous tissue associated with tunneled areas from CVC were included. The following patient characteristics and imaging findings were evaluated: infection in subcutaneous tissue, high echogenicity and hypoechoic effusion around the catheter within the subcutaneous tissue, and hyperechoic foci around the catheter. Patients with CVC were classified into two groups: those with and those without unplanned extraction of tunneled CVC. Fisher's exact test was used to compare the two groups.</p><p><strong>Results: </strong>Nine patients had unplanned extraction of tunneled CVC. A significant difference was found in infection at tunneled areas (presence/absence in patients with vs. those without unplanned extraction = 7/2 vs. 2/14, P = 0.002), as well as in hypoechoic effusion around the catheter within the subcutaneous tissues (presence/absence in patients with vs. those without unplanned extraction = 9/0 vs. 3/13, P < 0.001). However, no significant differences were found in the presence or absence of high echogenicity (presence/absence in patients with vs. those without unplanned extraction = 7/2 vs. 6/10, P = 0.097) or hyperechoic foci around the catheter (presence/absence in patients with vs. those without unplanned extraction = 3/6 vs. 1/15, P = 0.116).</p><p><strong>Conclusion: </strong>The ultrasound findings were useful for determining the necessity of tunneled CVC extraction. These results will be helpful for improving management of pediatric patients with CVC.</p>","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":"253-260"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143543654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Significant morphological changes in the right ventricular septal moderator band on echocardiography due to changes in right ventricular volume and pressure.","authors":"Haruka Noma, Naoyuki Otani, Shigeru Toyoda, Takanori Yasu","doi":"10.1007/s10396-024-01515-y","DOIUrl":"10.1007/s10396-024-01515-y","url":null,"abstract":"","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":"261-262"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142899638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pathological characteristics of inflammatory bowel diseases.","authors":"Makoto Nakajima, Yasushi Iwao, Koji Okabayashi, Yae Kanai, Masayuki Shimoda","doi":"10.1007/s10396-025-01520-9","DOIUrl":"10.1007/s10396-025-01520-9","url":null,"abstract":"<p><p>Inflammatory bowel disease (IBD) is an inflammatory disorder in which intestinal homeostasis is disrupted for some reason. Among them, ulcerative colitis (UC) and Crohn's disease (CD) are frequently referred to as IBD in the narrow sense, characterized by relapse episodes and remission periods. The differential diagnosis of IBD involves a broad spectrum of inflammatory or infectious diseases that mimic UC and/or CD, as well as others that may complicate existing IBD. Accordingly, these differential diseases and modifying factors should be considered in their pathological diagnosis, and a careful diagnosis should be made in close collaboration with clinicians. Here, we provide a pathological overview of UC, CD, and their differential diseases, as well as IBD-associated cancers, demonstrating their typical gross and histological features. Further, we introduce a pathological scoring system for biopsy specimens to diagnose IBD that may potentially be integrated into clinical practice.</p>","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":"187-196"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143537610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Long-term outcomes of abdominal aortic aneurysm screening in patients undergoing transthoracic echocardiography.","authors":"Kitae Kim, Madoka Sano, Hideyuki Hayashi, Naoko Suganuma, Tomoko Tani, Yutaka Furukawa","doi":"10.1007/s10396-025-01526-3","DOIUrl":"10.1007/s10396-025-01526-3","url":null,"abstract":"<p><strong>Purpose: </strong>Reports on the usefulness of abdominal aortic aneurysm (AAA) screening during transthoracic echocardiography (TTE) in Japan are limited. This study aimed to describe the prevalence of AAA among patients who underwent routine screening during TTE, as well as the long-term clinical outcomes of patients in whom AAA was detected.</p><p><strong>Methods: </strong>We screened 46,353 consecutive patients who underwent TTE for suspected cardiac disease at our institution. Among these, a total of 1133 patients were identified as having AAA, defined as an abdominal aorta diameter of 30 mm or greater. After excluding patients with prior aortic surgery, including endovascular repair (n = 104), those with known AAA (n = 569), and those with known aortic dissection (n = 25), the study population consisted of 435 patients, all diagnosed with AAA for the first time.</p><p><strong>Results: </strong>The overall prevalence of AAA among patients undergoing TTE was 0.94%. The mean age was 76.8 years, and the study population was predominantly males (81.6%). The prevalence of AAA in patients under 60 years of age was low: 0.24% for men and 0.076% for women. The left atrial volume index was 43.8 ± 23.1 ml/m², the left ventricular mass was 164.9 ± 52.0 g, and the diameter of the sinus of Valsalva was 32.6 ± 4.4 mm, all of which were numerically higher than the normal values observed in a healthy Japanese population. During the median follow-up period of 2.0 years, 43 surgical or endovascular repairs of AAA, six aorta-related deaths, and 90 all-cause deaths occurred. The cumulative incidence of surgical or endovascular repair of AAA was 5.3% at 1 year, 11.5% at 3 years, and 18.1% at 5 years. The cumulative incidence of aorta-related death was modest: 0.3% at 1 year, 0.8% at 3 years, and 1.6% at 5 years.</p><p><strong>Conclusion: </strong>The prevalence of newly diagnosed AAA among patients who underwent routine screening during TTE for suspected cardiac disease was 0.94% in the Japanese population, with the majority being 60 years or older. Approximately 10% of patients diagnosed with AAA underwent surgical or endovascular repair during follow-up, suggesting that this approach may be effective in preventing deaths caused by AAA.</p>","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":"197-207"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143665137","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Successful percutaneous balloon pulmonary valvuloplasty for pulmonary stenosis associated with a quadricuspid pulmonary valve in a neonate.","authors":"Hiroyuki Yamada, Jun Maeda, Mayuko Yoshida, Yutaro Koyama, Hirotaka Ohki, Masaru Miura, Hiroyuki Yamagishi","doi":"10.1007/s10396-025-01521-8","DOIUrl":"10.1007/s10396-025-01521-8","url":null,"abstract":"","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":"263-264"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143505776","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The role of ultrasound in assessment and prediction of the efficacy of preoperative targeted therapy for gastrointestinal mesenchymal tumors compared with pathology.","authors":"Ping Yang, XiuJun Li, ChonQing Chen, Jing Sun, JiangYan Yin, TiaTian Wang, XingYe Wu, Jun Zhang, XueMei He","doi":"10.1007/s10396-025-01524-5","DOIUrl":"10.1007/s10396-025-01524-5","url":null,"abstract":"<p><strong>Purpose: </strong>To explore the value of ultrasound in efficacy assessment and prediction of preoperative targeted treatment for gastrointestinal stromal tumor (GIST), using pathological assessment as a reference.</p><p><strong>Methods: </strong>A total of 35 GIST patients with preoperative targeted therapy were included in this retrospective study. The efficacy was evaluated using both ultrasound and pathology. Spearman correlation analysis and Kappa test were used to analyze the correlation and consistency between the evaluation results of ultrasound and pathology. Univariate analysis was used to obtain relevant predictive indicators of treatment response, which were then included in ordered logistic regression analysis to screen for independent predictive factors.</p><p><strong>Results: </strong>In the 35 patients who underwent targeted therapy, the results of pathological assessment suggested complete response in one patient, high response in 11 patients, partial response in 15 patients, and no response in eight patients; the results of ultrasound assessment were complete response in zero patients, partial response in 20 patients, stable disease in nine patients, and progressive disease in six patients. Preoperative ultrasound evaluation of targeted therapy for GIST was moderately consistent and highly correlated with the results of postoperative pathological evaluation. Short-to-length diameter (S/L) ratio and tumor shape were independent predictors of treatment response.</p><p><strong>Conclusion: </strong>Ultrasound is potentially beneficial for evaluating and predicting the response to treatment of GIST.</p>","PeriodicalId":50130,"journal":{"name":"Journal of Medical Ultrasonics","volume":" ","pages":"209-217"},"PeriodicalIF":1.9,"publicationDate":"2025-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143732848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}