Journal of Ultrasound最新文献

{"title":"Ultrasonographic insights into the complex anatomy and biomechanical dynamics of the Achilles tendon and its fascicles: a pictorial essay.","authors":"Stella Salvatore Massimo, Vita Fabio, Suhel Gabriele Al Khayyat, Donati Danilo, Ciampi Barbara, Becciolini Marco, Tedeschi Roberto, Faldini Cesare, Galletti Stefano","doi":"10.1007/s40477-025-00987-z","DOIUrl":"10.1007/s40477-025-00987-z","url":null,"abstract":"<p><p>This pictorial essay clarifies the complex anatomical and ultrasonographic features of the Achilles tendon. Utilizing high-frequency ultrasound probes (12-18 MHz), the study visualizes the tripartite segmentation of the tendon as it relates to anatomical fascicles. Notably, there is variability in the ultrasound visibility of fascicles and this partition influences biomechanical properties and susceptibility to injury. This essay not only enhances the understanding of Achilles tendon anatomy but also underscores the importance of anatomical knowledge for comprehending associated pathologies. The findings suggest potential areas for further research into tendon pathology, facilitating the development of targeted rehabilitation strategies.</p>","PeriodicalId":51528,"journal":{"name":"Journal of Ultrasound","volume":" ","pages":"505-516"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12145380/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143081857","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}

{"title":"Evolution of focal nodular hyperplasia during long-term ultrasound follow-up: results from a single-center study.","authors":"Mattia Paratore, Matteo Garcovich, Annamaria Amodeo, Francesca Fianchi, Francesco Santopaolo, Francesca Romana Ponziani, Maria Assunta Zocco, Antonio Gasbarrini, Laura Riccardi, Maurizio Pompili","doi":"10.1007/s40477-025-01010-1","DOIUrl":"10.1007/s40477-025-01010-1","url":null,"abstract":"<p><strong>Purpose: </strong>To examine the natural history of focal nodular hyperplasia (FNH) lesions through long-term ultrasound (US) follow-up and assess the relationship between clinical characteristics and size changes.</p><p><strong>Methods: </strong>We retrospectively enrolled 55 patients diagnosed with FNH who were followed with ultrasound for at least 24 months. A total of 94 FNH nodules were included in the final analysis. A significant change in size was defined as an increase or decrease of 0.5 cm or more, and nodules were classified as increased, decreased or stable. Additionally, we analyzed the association between clinical data and changes in nodule size.</p><p><strong>Results: </strong>The mean follow-up duration between the initial US examination at diagnosis and the last available examination was 58.3 ± 33.5 months (range: 24.2-186.6). The majority of nodules remained stable (47.9%) or decreased in size (35.1%), while a small proportion of nodules disappeared (11.7%) and only 7.3% showed an increase in size. No significant association was found between size variation and factors such as oral contraceptive use, pregnancy, BMI or follow-up duration.</p><p><strong>Conclusion: </strong>Changes in the size of FNHs during follow-up are relatively common, with most lesions remaining stable or undergoing regression or disappearance over time. These size variations do not appear to be influenced by hormonal factors or other clinical characteristics.</p>","PeriodicalId":51528,"journal":{"name":"Journal of Ultrasound","volume":" ","pages":"421-428"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12145394/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143712079","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}

{"title":"Prenatal ultrasonic diagnosis of esophageal atresia and tracheoesophageal fistula combined with interrupted inferior vena cava: a rare case report.","authors":"Yun He, Xiao-Yu Song, Qi-Zhen Cao, Heng Sun, Jun-Jie Chang, Wen-Jun Zhang","doi":"10.1007/s40477-024-00879-8","DOIUrl":"10.1007/s40477-024-00879-8","url":null,"abstract":"<p><strong>Purpose: </strong>This is an extremely rare case of complicated fetal esophageal atresia (EA) with tracheoesophageal fistula (TEF) and interrupted inferior vena cava (IVC) diagnosed by prenatal ultrsonography and successfully treated with surgical repair.</p><p><strong>Methods: </strong>A 35-year-old pregnant woman was referred to our center for prenatal ultrasound, and the fetus was found to have a series of abnormalities, such as an interrupted IVC associated with a dilated azygos vein, an upper neck pouch sign of the thorax, and polyhydramnios. With suspicion of EA with TEF and interrupted IVC, the infant was born at 39 weeks of gestation, and successfully underwent the surgical operation.</p><p><strong>Results: </strong>The baby was doing well after 21 months of follow-up.</p><p><strong>Conclusion: </strong>It is beneficial for the prenatal ultrasonic diagnosis of EA with TEF in optimizing labor care, postpartum treatment, and prompting neonatal management.</p>","PeriodicalId":51528,"journal":{"name":"Journal of Ultrasound","volume":" ","pages":"527-530"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12145401/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141433337","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}

{"title":"Prevalence and outcomes of nonmass lesions detected on screening breast ultrasound based on ultrasound features.","authors":"Su Min Cho, Joo Hee Cha, Hak Hee Kim, Hee Jung Shin, Eun Young Chae, Woo Jung Choi, Hye Joung Eom, Hee Jeong Kim","doi":"10.1007/s40477-024-00981-x","DOIUrl":"10.1007/s40477-024-00981-x","url":null,"abstract":"<p><strong>Purpose: </strong>To determine how often non-mass lesions are seen in screening breast ultrasounds, and analyze their ultrasound features according to the ultrasound lexicon to find features suggestive of malignant non-mass lesions.</p><p><strong>Methods: </strong>This study is a single center retrospective study for nonmass lesions on screening breast ultrasound. Among 21,604 patients who underwent screening breast US, there were 279 patients with nonmass lesions. Of these lesions, 242 lesions were included for analysis. To distinguish between benign and malignant nonmass lesions, univariate analysis was performed on size, echogenicity, distribution, orientation, and associated ultrasound features. Additionally, Fisher's exact test was performed for mammographic density and abnormalities.</p><p><strong>Results: </strong>279 patients with nonmass lesions were included (mean age 53.7 ± 9.7 years, all women). The incidence of nonmass lesions on screening breast ultrasound was 1.29% with positive predictive value of 5.78%. The most common malignant nonmass lesion was ductal carcinoma in situ. Nonparallel orientation (p = 0.002), echogenic rim (p = 0.005), architectural distortion (p = 0.0004), posterior shadowing (p = 0.007), vascularity (p < 0.001), and calcifications (p < 0.001) were indicators of malignant lesions. Additionally, mammographic abnormalities were significantly associated with malignant lesions (p < 0.001).</p><p><strong>Conclusion: </strong>The incidence of nonmass lesions on screening breast ultrasound was 1.29%, with a positive predictive value of 5.78%. Mammographic abnormalities, nonparallel orientation, architectural distortion, posterior shadowing, vascularity, and calcifications were associated with malignant nonmass lesions.</p>","PeriodicalId":51528,"journal":{"name":"Journal of Ultrasound","volume":" ","pages":"369-378"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12145365/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142899275","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}

{"title":"The effect of repetitive exercise on tensile changes in the infraspinatus muscle evaluated with ultrasound elastography.","authors":"Austin T Coale, Stephanie C Pittman, Coby B Dorsey, Farhan Chowdry, David J Berkoff","doi":"10.1007/s40477-025-01007-w","DOIUrl":"10.1007/s40477-025-01007-w","url":null,"abstract":"<p><strong>Background: </strong>The ability to identify muscle strain accurately is a critical aspect in managing exercise-induced muscle damage. Using differences in muscle stiffness as a proxy for muscle damage and recovery can better inform the decision to continue exercise versus pursue recovery.</p><p><strong>Hypothesis/purpose: </strong>To identify changes in rotator cuff stiffness after a single bout of exercise as measured by ultrasound elastography.</p><p><strong>Study design: </strong>10 healthy subjects, average age of 23.7, were enrolled in this prospective interventional trial. Each subject had a baseline scan then completed a standardized exercise program followed by another scan and daily evaluations until the results returned to within 10% of baseline.</p><p><strong>Methods: </strong>Elastography measurements were collected around the infraspinatus tendon, and the deltoid was used as a baseline standard.</p><p><strong>Statistical analysis used: </strong>Summary statistics, t-test, and regression analysis were completed for the data.</p><p><strong>Results: </strong>Average strain was 0.5 at baseline, 0.7 immediately post-exercise, 0.6 on follow-up day 1, and 0.4 on follow-up day 2. There were statically significant differences between every timepoint. baseline-post 0.24, (p < 0.0001), post-day1 (decrease of 0.14, p < 0.0001), day1-day2 (decrease of 0.15, p < 0.0001), and BL-day2 (decrease of 0.05, p < 0.005).</p><p><strong>Conclusions: </strong>These results demonstrate that the infraspinatus muscle stiffness increases immediately after exercise and takes up to 48 h to return to within 10% of baseline. We also found that at day 2 there continued to be an overcorrection with the infraspinatus remaining softer at this time point.</p>","PeriodicalId":51528,"journal":{"name":"Journal of Ultrasound","volume":" ","pages":"413-420"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12145367/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143755787","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}

{"title":"Altered liver hemodynamics in patients with COVID-19: a cross sectional study.","authors":"Luisa Siciliani, Giovanni Cappa, Caterina Zattera, Giuseppe Albi, Mario Umberto Mondelli, Luca Marzi","doi":"10.1007/s40477-025-01012-z","DOIUrl":"10.1007/s40477-025-01012-z","url":null,"abstract":"<p><strong>Aims: </strong>Abnormalities in liver biochemistry are common in COVID-19 patients. Hepatic vein Doppler waveform, typically triphasic, may become biphasic or monophasic in cirrhosis, correlating with liver dysfunction, fibrosis, inflammation, and portal hypertension. This study investigates liver ultrasound (US) features in COVID-19 patients, correlating hepatic vein Doppler waveform and portal vein velocity (PVV) with inflammatory indexes and clinical outcomes.</p><p><strong>Methods: </strong>Fifty-seven patients with SARS-CoV-2 infection participated in a crosssectional study. Bedside upper abdomen US evaluations, including B-mode and Doppler, were conducted using a convex probe. Hepatic vein Doppler waveforms were classified as triphasic, biphasic, or monophasic, and the hepatic vein waveform index (HVWI) was calculated. PVV was measured over three cardiac cycles. Tracings were blindly analyzed by three operators to ensure consistency.</p><p><strong>Results: </strong>Low HVWI and high PVV correlated with elevated LDH, ALT, D-dimer, and ferritin (p < 0.05). HVWI showed significant negative correlations with ferritin, D-dimer, and ALT (p < 0.05). D-Dimer and ferritin were higher in patients with biphasic/monophasic waveforms (p < 0.05). High PVV and larger spleen diameters predicted worse respiratory outcomes, including CPAP and tracheal intubation (p < 0.05). Optimal cut-off values for PVV (21.7 cm/s) and spleen diameter (9.84 cm) maximized sensitivity and specificity for predicting these outcomes. FIB-4 scores did not correlate with respiratory outcomes or hepatic hemodynamics (p > 0.05). Hemodynamic alterations were not significantly influenced by the presence of SLD (Steatotic Liver Disease).</p><p><strong>Conclusions: </strong>COVID-19 patients exhibit altered intrahepatic hemodynamics, with hepatic vein waveform abnormalities potentially reflecting liver inflammation and fibrosis. PVV and spleen diameter may serve as non-invasive predictors of respiratory outcomes.</p>","PeriodicalId":51528,"journal":{"name":"Journal of Ultrasound","volume":" ","pages":"437-445"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12145364/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143765637","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}

{"title":"A novel approach to physician assistant ultrasound education: the fast eFAST.","authors":"Harrison Steins, Zach Ryan, Ethan Kromberg, Sarah Boulos","doi":"10.1007/s40477-025-01024-9","DOIUrl":"10.1007/s40477-025-01024-9","url":null,"abstract":"<p><strong>Purpose: </strong>This study evaluated a novel method of teaching physician assistant (PA) students the Extended Focused Assessment with Sonography in Trauma (eFAST) point-of-care ultrasound (POCUS) examination and sought to determine the optimal workshop duration and gain feedback on workshop administration, format, and application by PA students in future clinical scenarios.</p><p><strong>Methods: </strong>Prospective cohort analysis evaluating a POCUS eFAST training modality administered to first-year PA students. Students completed a pre-test evaluating experience and comfortability with POCUS, principles of imaging and optimization, and the eFAST exam. Researchers delivered didactic training on the use of eFAST and hands-on sessions. Students completed a post-test evaluation and demonstrated proficiency with the modality by performing an eFAST scan. The evaluation of the effectiveness of this training on knowledge and hands-on skills was determined through a statistical comparison of scores between a pre-and post-test.</p><p><strong>Results: </strong>The cohort consisted of 16 PA students with the majority completing both the pre- and post-tests (response rate: 94%, n = 15). Post-training scores showed a significant improvement in knowledge with an increase of 77.6% (p < 0.01). All respondents (n = 14) reported that POCUS would be \"Somewhat to Very Beneficial\" in their future practice as PAs, with a moderate increase from Somewhat Beneficial to Very Beneficial post-training.</p><p><strong>Conclusions: </strong>These results indicate that our novel training was effective at teaching the eFAST procedure, normal anatomy, pathology, and clinical decisions based on findings. Participants agreed that POCUS could be a valuable tool for emergency care provided by PAs.</p>","PeriodicalId":51528,"journal":{"name":"Journal of Ultrasound","volume":" ","pages":"475-482"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12145402/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144040487","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}

{"title":"Prospective ultrasonographic evaluation of femoral and vastus intermedius muscles as predictors of ICU-acquired weakness in critically ill patients.","authors":"A M Chaves, S J Torres, L Palacios, J I Alvarado, M V Stozitzky, C A Santacruz H","doi":"10.1007/s40477-025-01013-y","DOIUrl":"10.1007/s40477-025-01013-y","url":null,"abstract":"<p><strong>Purpose: </strong>Intensive care unit-acquired weakness (ICU-AW) is associated with poor functional outcomes and increased healthcare costs. This study aimed to evaluate the diagnostic performance of muscular ultrasound (MUS) measurements in predicting ICU-AW and identify potential predictors.</p><p><strong>Methods: </strong>Forty-three surgical and medical ICU patients underwent serial MUS measurements of the femoral cross-sectional area (Fcsa) and femoral + vastus intermedius thickness (F + VIth) on days 1, 3 and 5 post-ICU admission. Patients were categorized as having ICU-AW (Medical Research Council (MRC) sum score < 48 at discharge) or not. Univariate and multivariate logistic regression analyses were performed to identify predictors of ICU-AW. The diagnostic performance of MUS measurements was assessed via receiver operating characteristic (ROC) curves. Clinical outcomes (ICU length of stay, ventilator days, extubation failure) were compared between the groups.</p><p><strong>Results: </strong>Patients with ICU-AW (n = 12, 28%) showed a significant reduction in the Fcsa from Day 1 to Day 5 (p < 0.001). Univariate analysis revealed significant associations between ICU-AW and the Apache II score (OR 1.12, p = 0.03), SOFA score (OR 1.32, p = 0.008), and Day 1 F + VIth score (OR 0.23, p = 0.05). Multivariate analysis confirmed a significant association with the SOFA score (OR 1.35, p = 0.04) and a trend toward an F + VIth score of Day 1 (OR 0.12, p = 0.09). The day 1 Fcsa and F + VIth demonstrated moderate predictive capabilities for ICU-AW (ROC-AUC values of 0.72 and 0.82, respectively). ICU-AW patients experienced longer ICU stays, more ventilator days, and higher extubation failure rates.</p><p><strong>Conclusion: </strong>Preexisting low muscle mass, combined with a high SOFA score, may be a stronger predictor of ICU-acquired weakness than the degree of subsequent muscle loss.</p>","PeriodicalId":51528,"journal":{"name":"Journal of Ultrasound","volume":" ","pages":"447-454"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12145331/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144007904","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}

{"title":"Ultrasound-guided percutaneous biopsy for challenging perihilar focal liver lesions: diagnostic accuracy and safety assessment.","authors":"Roberto Ceriani, Francesca Colapietro, Roberto Gabbiadini, Arianna Dal Buono, Nicola Pugliese, Chiara Masetti, Luca Brandaleone, Tiziana Ierace, Luigi Solbiati","doi":"10.1007/s40477-024-00949-x","DOIUrl":"10.1007/s40477-024-00949-x","url":null,"abstract":"<p><strong>Purpose: </strong>In cases of perihilar focal liver lesions, distinguishing between benign strictures and malignancies is critical to prevent unnecessary surgery. Although the use of contrast-enhanced CT or MRI in combination with clinical and laboratory findings can aid in diagnosis, histologic examination is often necessary. Histologic specimens can be obtained through various techniques, including ERCP-guided brush cytology or intraductal biopsy, cholangioscopy-directed biopsy or endoscopic ultrasound (EUS). However, these methods have been associated with suboptimal sensitivity and specificity, sometimes leading to inconclusive results. Therefore, ultrasound-guided percutaneous biopsy (US-guided PB) may play a crucial role, but data is lacking for perihilar lesions. The objective of our study was to assess the technical feasibility and safety of US-guided PB for perihilar lesions.</p><p><strong>Methods: </strong>We included 20 consecutive patients who underwent US-guided PB of perihilar liver lesions that were not suitable for surgery between June 2018 and October 2023.</p><p><strong>Results: </strong>All samples were obtained using a Menghini needle 20G and were adequate for histological examination, with a mean diameter of 12.3 mm (range 3-40 mm). Out of the 20 patients, 11 were diagnosed with malignancy while the remaining 9 had inflammatory or fibrotic tissue samples. No adverse events related to the procedure were reported.</p><p><strong>Conclusion: </strong>US-guided PB of perihilar liver lesions is a valuable and safe diagnostic approach to consider for patients who are not suitable for surgery.</p>","PeriodicalId":51528,"journal":{"name":"Journal of Ultrasound","volume":" ","pages":"537-540"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12145379/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142565278","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}

{"title":"Diagnostic performance of ultrasound for myositis and fasciitis, including necrotizing fasciitis, in pediatric patients.","authors":"Takahiro Hosokawa, Yumiko Sato, Yutaka Tanami, Eiji Oguma","doi":"10.1007/s40477-024-00976-8","DOIUrl":"10.1007/s40477-024-00976-8","url":null,"abstract":"<p><strong>Objectives: </strong>To demonstrate the diagnostic performance of ultrasound for abnormal magnetic resonance imaging findings in pediatric patients with suspected myositis and fasciitis. We compared sonographic findings between patients with and without necrotizing fasciitis.</p><p><strong>Methods: </strong>In 21 pediatric patients, the presence or absence of abnormal T2-high signal intensity in subcutaneous fat, peripheral deep fascia, intermuscular fascia, and muscle was recorded. The extent of the disease based on ultrasound findings was recorded according to the previous locations. The vascular lumen within the affected muscle was also evaluated. Patients were classified into two groups: those with necrotizing fasciitis and those without. The presence/absence of sonographic findings and width of fluid accumulation in the peripheral deep fascia was compared between the two groups.</p><p><strong>Results: </strong>Three patients were classified into the necrotizing fasciitis group. The ultrasound diagnostic performance for abnormal findings in subcutaneous fat/peripheral deep fascia/ intermuscular fascia/muscle was 90.5%/76.2%/47.6%/90.5%, respectively. The presence/absence of abnormal findings in peripheral deep fascial edema, its width and vascular lumen collapse were significantly different between the two groups. The other findings were not significantly different between the groups.</p><p><strong>Conclusions: </strong>Ultrasound demonstrated reliability in detecting abnormal findings and was useful for diagnosing necrotizing fasciitis, facilitating urgent surgical intervention.</p>","PeriodicalId":51528,"journal":{"name":"Journal of Ultrasound","volume":" ","pages":"349-358"},"PeriodicalIF":1.3,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12145336/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142824574","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}