Qiuxiang Chen MD, Luyao Jia MD, Shiya Wang MD, Menghua Chen MD, Chan Zhang MD, Yue Fang MD, Meifang Deng MD, Chunchun Jin MD
{"title":"Douglas Pouch Fluid Improves the Accuracy of Transvaginal Ultrasound in the Diagnosis of Uterosacral Ligaments Deep Infiltration Endometriosis","authors":"Qiuxiang Chen MD, Luyao Jia MD, Shiya Wang MD, Menghua Chen MD, Chan Zhang MD, Yue Fang MD, Meifang Deng MD, Chunchun Jin MD","doi":"10.1002/jum.16586","DOIUrl":"10.1002/jum.16586","url":null,"abstract":"<div>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>To compare the accuracy of transvaginal ultrasound (TVUS) with laparoscopy in detecting and characterizing uterosacral ligament (USL) nodules of deep infiltrative endometriosis (DIE) between patients with and without pouch of Douglas (POD) fluid.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>This prospective study was conducted between June 2021 and July 2023. We included patients from the Second People's Hospital of Shenzhen with two TVUS tests: no POD fluid on the first TVUS test and POD fluid on the second TVUS test. POD fluid was obtained in two ways: naturally occurring fluid during the luteal phase of the menstrual cycle and SonoPODography. Laparoscopic results are the gold standard. To compare the diagnostic performance of TVUS in the diagnosis of DIE on USLs with and without POD fluid.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>We included 42 patients with a mean age of 36.4 ± 5.4 years. The maximum length diameter for DIE nodules on USLs with and without POD fluid was 13.3 ± 3.3 mm and 10.2 ± 2.5 mm (<i>P</i> < .001), respectively, while the depth of infiltration was 8.1 ± 2.4 mm and 6.1 ± 1.4 mm (<i>P</i> < .001), respectively. When compared to laparoscopic findings, TVUS findings with and without POD fluid resulted in a sensitivity, specificity, accuracy, positive predictive value, negative predictive value area under the curve, and Cohen kappa of 92.3%, 93.8%, 92.9%, 96.0%, 88.2%, 0.930, and 0.850 and 61.5%, 93.8%, 73.8%, 94.1%, 50.0%, 0.766, and 0.499, respectively. Laparoscopy showed USL involvement in up to 59.5% of patients. With or without fluid, the most common ultrasound features of DIE lesions were USL thickening, irregular morphology, clear boundaries, low echo, and no blood flow signal.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>For patients with clinical suspicion of DIE, TVUS with POD fluid has a higher accuracy for diagnosing USL DIE than TVUS without POD fluid.</p>\u0000 </section>\u0000 </div>","PeriodicalId":17563,"journal":{"name":"Journal of Ultrasound in Medicine","volume":"44 1","pages":"111-117"},"PeriodicalIF":2.1,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142349256","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}
Mingxiang Zheng MSN, Yi Wen MD, Hengxu Wang MD, Yangqin Peng MAS, Gong Fei PhD, MD, Chen Hui MD, Yan Ouyang PhD, MD, Xihong Li PhD, MD
{"title":"Diagnosis of 42 Cases of Intrauterine Twin Pregnancy Complicated With Ectopic Pregnancy","authors":"Mingxiang Zheng MSN, Yi Wen MD, Hengxu Wang MD, Yangqin Peng MAS, Gong Fei PhD, MD, Chen Hui MD, Yan Ouyang PhD, MD, Xihong Li PhD, MD","doi":"10.1002/jum.16583","DOIUrl":"10.1002/jum.16583","url":null,"abstract":"<div>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>The coexistence of intrauterine twin pregnancy and ectopic pregnancy (EP), known as heterotopic pregnancy, is a rare but potentially life-threatening condition. In this study, we aimed to investigate the pregnancy outcomes in women with intrauterine twin pregnancies complicated with EP after assisted reproductive technology.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>This retrospective study analyzed the medical records of 42 women diagnosed with intrauterine twin pregnancies complicated with EP via ultrasound or surgery at our hospital between January 2005 and December 2020. We collected data on patient general characteristics, high-risk factors, clinical symptoms, ultrasound features, treatment methods, and pregnancy outcomes.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Among the 42 included women, 47.6% (20/42) had a history of tubal surgery, while 52.4% (22/42) and 47.6% (20/42) received the transfer of 2 and 3 embryos, respectively. In terms of treatment, 21.4% (9/42) women received expectant management, whereas 78.6% (33/42) underwent surgical treatment, with laparoscopic surgery accounting for 71.4% (30/42). Tracking the pregnancy outcomes revealed a live birth rate of 81.0% (34/42) and a full-term birth rate of 50.0% (21/42). The preterm birth rate was 31.0% (13/42), with a breakdown of 1 singleton (7.7%, 1/13) and 12 twin births (92.3%, 12/13) among the total 13 premature deliveries. Among the neonates, 33.3% (14/42) were singletons and 47.6% (20/42) twins. Caesarean section accounted for 31 out of 34 deliveries (91.2%).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Though the incidence of EP in twin pregnancies has declined in the last decade, early diagnosis and proper management are still crucial for favorable outcomes in twin pregnancies with EP.</p>\u0000 </section>\u0000 </div>","PeriodicalId":17563,"journal":{"name":"Journal of Ultrasound in Medicine","volume":"44 1","pages":"87-96"},"PeriodicalIF":2.1,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142349255","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":"Advancing Lung Ultrasound: The Development and Application of the Anatomical M-Mode Evaluation for Lung Swings (AMLES) Technique in Respiratory Assessment","authors":"Lee Chiao Hao MD, MCEM, FRCEM","doi":"10.1002/jum.16588","DOIUrl":"10.1002/jum.16588","url":null,"abstract":"<p>Exploring the frontiers of lung ultrasound, this document details a groundbreaking technique for lung function evaluation using anatomical M-mode, also known as angle-independent M-mode. The method, termed AMLES (Anatomical M-Mode Evaluation for Lung Swings), quantifies the displacement of the lung curtain observed at the bilateral costophrenic recesses. This approach translates lung curtain movements into graphical data, offering insights into respiratory mechanics and enhancing the assessment of lung ventilation in emergency settings.</p>","PeriodicalId":17563,"journal":{"name":"Journal of Ultrasound in Medicine","volume":"44 1","pages":"157-162"},"PeriodicalIF":2.1,"publicationDate":"2024-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142349253","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":"Correction to “Wall Shear Stress Measurements Based on Ultrasound Vector Flow Imaging: Theoretical Studies and Clinical Examples”","authors":"","doi":"10.1002/jum.16581","DOIUrl":"10.1002/jum.16581","url":null,"abstract":"<p>\u0000 <span>Yigang Du</span>, <span>Alfredo Goddi</span>, <span>Chandra Bortolotto</span>, et al. <span>Wall shear stress measurements based on ultrasound vector flow imaging: theoretical studies and clinical examples</span>. <i>J Ultrasound Med</i> <span>2020</span>; <span>39</span>: <span>1649</span>–<span>1664</span>.</p><p>In the Theory section, “1/<i>N</i>” was inadvertently missed on the righthand side of Equations 5 and 7 in the originally published version.</p><p>The simulations and measurements in our work are always conducted based on the correct equations, and the mistake does not change the scientific conclusion of this article, nor does it affect the simulation or measurement results in any way.</p><p>We apologize for this error. The original article has been updated accordingly.</p>","PeriodicalId":17563,"journal":{"name":"Journal of Ultrasound in Medicine","volume":"44 1","pages":"171"},"PeriodicalIF":2.1,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/jum.16581","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142349254","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}
Ping Gong PhD, Jingke Zhang PhD, Chengwu Huang PhD, U-Wai Lok PhD, Shanshan Tang PhD, Hui Liu MD, PhD, Ryan DeRuiter PhD, Kendra Petersen, Kate Knoll, Kathryn Robinson, Kymberly Watt MD, Matthew Callstrom MD, PhD, Shigao Chen PhD
{"title":"Novel Quantitative Liver Steatosis Assessment Method With Ultrasound Harmonic Imaging","authors":"Ping Gong PhD, Jingke Zhang PhD, Chengwu Huang PhD, U-Wai Lok PhD, Shanshan Tang PhD, Hui Liu MD, PhD, Ryan DeRuiter PhD, Kendra Petersen, Kate Knoll, Kathryn Robinson, Kymberly Watt MD, Matthew Callstrom MD, PhD, Shigao Chen PhD","doi":"10.1002/jum.16582","DOIUrl":"10.1002/jum.16582","url":null,"abstract":"<div>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>Metabolic dysfunction-associated steatotic liver disease (MASLD) is the most prevalent liver disorder in Western countries, with approximately 20%–30% of the MASLD patients progressing to severe stages. There is an urgent need for noninvasive, cost-effective, widely accessible, and precise biomarkers to evaluate liver steatosis. This study aims to assess and compare the diagnostic performance of a novel reference frequency method-based ultrasound attenuation coefficient estimation (ACE) in both fundamental (RFM-ACE-FI) and harmonic (RFM-ACE-HI) imaging for detecting and grading liver steatosis.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>An Institutional Review Board-approved prospective study was carried out between December 2018 and October 2022. A total number of 130 subjects were enrolled in the study. The correlation between RFM-ACE-HI values and magnetic resonance imaging proton density fat fraction (MRI-PDFF), as well as between RFM-ACE-FI values and MRI-PDFF were calculated. The diagnostic performance of RFM-ACE-FI and RFM-ACE-HI was evaluated using receiver operating characteristic (ROC) curve analysis, as compared to MRI-PDFF. The reproducibility of RFM-ACE-HI was assessed by interobserver agreement between two sonographers.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>A strong correlation was observed between RFM-ACE-HI and MRI-PDFF, with <i>R</i> = 0.88 (95% confidence interval [CI]: 0.83–0.92; <i>P</i> < .001), while the correlation between RFM-ACE-FI and MRI-PDFF was <i>R</i> = 0.65 (95% CI: 0.50–0.76; <i>P</i> < .001). The area under the ROC (AUROC) curve for RFM-ACE-HI in staging liver steatosis grades of S ≥ 1 and S ≥ 2 was 0.97 (95% CI: 0.91–0.99; <i>P</i> < .001) and 0.98 (95% CI: 0.93–1.00; <i>P</i> < .001), respectively, and 0.76 (95% CI: 0.65–0.85) and 0.80 (95% CI: 0.70–0.88) for RFM-ACE-FI, respectively. Great reproducibility was achieved for RFM-ACE-HI, with an interobserver agreement of <i>R</i> = 0.97 (95% CI: 0.94–0.99; <i>P</i> < .001).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The novel RFM-ACE-HI method offered high liver steatosis diagnostic accuracy and reproducibility, which has important clinical implications for early disease intervention and treatment evaluation.</p>\u0000 </section>\u0000 </div>","PeriodicalId":17563,"journal":{"name":"Journal of Ultrasound in Medicine","volume":"44 1","pages":"77-85"},"PeriodicalIF":2.1,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142307999","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":"Diagnostic Value of Contrast-Enhanced Ultrasound in Benign and Malignant Adnexal Masses","authors":"Boyang Zhang BMed, Xiao Han BMed","doi":"10.1002/jum.16580","DOIUrl":"10.1002/jum.16580","url":null,"abstract":"<p>In the diagnosis of gynecological tumors, determining the benign or malignant nature of adnexal masses is a crucial and complex issue. Contrast-enhanced ultrasound (CEUS) is a relatively novel and increasingly used diagnostic method. Therefore, this study evaluated the diagnostic value of CEUS in differentiating benign and malignant adnexal masses through meta-analysis and systematic review. We systematically searched PubMed, Embase, Web of Science, and the Cochrane Library for studies published up to April 2024 regarding the use of CEUS in diagnosing benign and malignant adnexal masses. STATA 14.0 software was used for data analysis, pooling the sensitivity, specificity, positive likelihood ratio, negative likelihood ratio, and diagnostic odds ratio (DOR) of eligible studies. After initial screening, 305 studies were identified, 13 of which met the inclusion criteria and were analyzed in this meta-analysis. The pooled sensitivity, specificity, positive likelihood ratio, negative likelihood ratio, and DOR of CEUS for the diagnosis of benign and malignant adnexal masses were 0.92 (95% confidence interval [CI]: 0.88–0.95), 0.88 (95% CI: 0.82–0.93), 8.00 (95% CI: 5.00–12.90), 0.09 (95% CI: 0.06–0.14), and 91.00 (95% CI: 45.00–185.00), respectively. The area under the summary receiver operating characteristic curve (AUC) was 0.95 (95% CI: 0.93–0.97). CEUS is a noninvasive, nonradiative imaging modality with high accuracy and reliability in the diagnosis of benign and malignant adnexal masses. To provide an effective adjunct tool in the clinic, future studies can further explore the specific application value of CEUS and its performance in different populations.</p>","PeriodicalId":17563,"journal":{"name":"Journal of Ultrasound in Medicine","volume":"44 1","pages":"5-14"},"PeriodicalIF":2.1,"publicationDate":"2024-09-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142307998","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}
Esther J. Kim MD, Kitman Wai MD, Leah Pedoeim MD, Sonali Basu MD
{"title":"Assessing Clinical Variables Associated With Femoral Muscle Decay as Measured by Point-of-Care Ultrasound in Critically Ill Children","authors":"Esther J. Kim MD, Kitman Wai MD, Leah Pedoeim MD, Sonali Basu MD","doi":"10.1002/jum.16579","DOIUrl":"10.1002/jum.16579","url":null,"abstract":"<div>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>Skeletal muscle wasting is a common occurrence in critical illness, often resulting in intensive care unit (ICU)-acquired weakness. This study aims to identify clinical factors associated with muscle decay in mechanically ventilated critically ill children. Utilizing point-of-care ultrasound, a noninvasive and cost-effective tool, we assess muscle decay through ultrasound of the quadriceps femoris.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>A prospective observational study was conducted in a single-center quaternary-care pediatric intensive care unit at a children's hospital. A convenience sample of 103 sedated and mechanically ventilated patients were enrolled in this study. Ultrasound measurements of quadriceps femoris muscle thickness were taken, and daily muscle decay rates were calculated. Demographic, clinical, and outcome data were analyzed for correlations with muscle decay.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Among the enrolled patients, 67 had repeat measurements. Muscle thickness change aligned with prior studies, with a mean daily change of −1.9% [IQR −0.8, −5.0]. Adequate cumulative caloric intake (>60% of goal) correlated with less muscle decay compared with inadequate intake (−1.8 vs −2.4%, <i>P</i> < .001). Average daily muscle change correlated with both ICU and hospital length of stay (LOS) (<i>r</i> = .328, <i>P</i> = .007 and <i>r</i> = .393, <i>P</i> = .001). No significant correlations emerged between muscle change and mortality, disease severity, fluid balance, early mobilization, steroid exposure, or sedative and paralytic use.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusion</h3>\u0000 \u0000 <p>This study demonstrates early and frequent muscle decay in critically ill children, as detected by point-of-care ultrasound. Average daily muscle decay was associated with longer ICU and hospital LOS. Adequate cumulative caloric intake is linked to reduced muscle decay. These findings contribute to understanding muscle wasting in critically ill pediatric patients.</p>\u0000 </section>\u0000 </div>","PeriodicalId":17563,"journal":{"name":"Journal of Ultrasound in Medicine","volume":"44 1","pages":"69-76"},"PeriodicalIF":2.1,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142290149","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}
Jessie L. Chai MD, Esther Baranov MD, Andro Reginald Licaros MD, Mary C. Frates MD
{"title":"Sonographic Characteristics of ≥7 mm Gallbladder Polyps","authors":"Jessie L. Chai MD, Esther Baranov MD, Andro Reginald Licaros MD, Mary C. Frates MD","doi":"10.1002/jum.16578","DOIUrl":"10.1002/jum.16578","url":null,"abstract":"<div>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>To describe the sonographic characteristics of gallbladder polyps measuring ≥7 mm focusing on echogenicity, correlate with surgical pathology when available, and assess stability in size over time.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>This retrospective study used a natural language processing application to screen ultrasound (US) reports between January 1, 2012, and December 31, 2020, that contained the words “gallbladder polyp” or “polyps.” Reports were reviewed to identify polyps ≥7 mm. The most hyperechoic components of the polyps were compared to the adjacent inner wall of the gallbladder and categorized as more echogenic, isoechoic, and less echogenic. Other sonographic characteristics such as heterogeneity, sessile configuration, vascularity, multiplicity, presence of gallstones, and wall thickening were recorded. Surgical pathology reports were reviewed when available. Polyps in nonsurgical patients with ≥48-month US follow-up and ≤1 mm/year growth rate were characterized as benign. Clinical outcomes were followed until December 31, 2023.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>Review of 4897 reports yielded 550 reports in 450 patients with polyps ≥7 mm. Surgical pathology reports were available in 22.0% (99/450) of patients; 96 (97%) had non-neoplastic etiologies and 3 (3.0%) neoplastic. There were no malignancies. All of the neoplastic polyps and 56.1% (87/155) of non-neoplastic polyps had components more echogenic than the adjacent inner wall. There were no deaths related to the polyps.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>The vast majority of gallbladder polyps are benign. In our large series of gallbladder polyps, we found that increased echogenicity is a nonspecific feature, found in slightly more than half of benign but also in all neoplastic polyps. Our findings support current Society of Radiologists in Ultrasound consensus guidelines.</p>\u0000 </section>\u0000 </div>","PeriodicalId":17563,"journal":{"name":"Journal of Ultrasound in Medicine","volume":"44 1","pages":"57-66"},"PeriodicalIF":2.1,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142256142","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":"Sonographic Differentiation From Pseudoureterocele of Ectopic Ureter and Ureterocele in Pediatric Patients","authors":"Takahiro Hosokawa MD, Kensuke Ohashi MD, Shinsuke Yoshizawa MD, Megumi Hirayama MD, Yumiko Sato MD, Yutaka Tanami MD, Eiji Oguma MD","doi":"10.1002/jum.16577","DOIUrl":"10.1002/jum.16577","url":null,"abstract":"<div>\u0000 \u0000 <section>\u0000 \u0000 <h3> Objectives</h3>\u0000 \u0000 <p>Ectopic ureter and ureterocele need an adequate treatment plan and different surgical interventions. However, some cases appear as intravesical cystic lesions on ultrasound, with ectopic ureter sometimes reported as pseudoureterocele. This study aimed to describe the sonographic imaging findings of intravesical cystic lesions to differentiate between pseudoureterocele and ureterocele.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Methods</h3>\u0000 \u0000 <p>Nineteen patients with duplex collecting system and intravesical cystic lesions that were classified into pseudoureterocele and ureterocele based on the surgical findings were included. The ultrasound findings compared between the 2 groups were as follows: intravesical lesion with/without a covered muscular layer, presence/absence of notch sign within the lesion, and dynamic change in the appearance of intravesical cystic lesions using Fisher's exact test.</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Results</h3>\u0000 \u0000 <p>The lesions in 3 patients were classified as pseudoureterocele due to ectopic ureter and the remaining 16 as ureterocele. Significant differences were observed in intravesical lesions with/without a muscular layer (pseudoureterocele versus ureterocele = 3/0 versus 3/13, <i>P</i> = .021) and the presence or absence of a notch sign within the vesical cystic lesion (pseudoureterocele versus ureterocele = 3/0 versus 3/13, <i>P</i> = .021) between the groups. Although there was a tendency for the dynamic change in the appearance of intravesical cystic lesions to be more detectable in cases with ureterocele than in pseudoureterocele, the difference was not significant (0/3 versus 11/5, <i>P</i> = .058).</p>\u0000 </section>\u0000 \u0000 <section>\u0000 \u0000 <h3> Conclusions</h3>\u0000 \u0000 <p>Sonographic findings, including bladder muscular layer location and the presence of a notch sign within the cystic lesion, were useful in differentiating pseudoureterocele and ureterocele in intravesical cystic lesions in pediatric patients with a duplex collecting system.</p>\u0000 </section>\u0000 </div>","PeriodicalId":17563,"journal":{"name":"Journal of Ultrasound in Medicine","volume":"44 1","pages":"47-56"},"PeriodicalIF":2.1,"publicationDate":"2024-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142207824","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}