Ovarian lesions are common and often incidentally detected. A critical shortage of expert ultrasound examiners has raised concerns of unnecessary interventions and delayed cancer diagnoses. Deep learning has shown promising results in the detection of ovarian cancer in ultrasound images; however, external validation is lacking. In this international multicenter retrospective study, we developed and validated transformer-based neural network models using a comprehensive dataset of 17,119 ultrasound images from 3,652 patients across 20 centers in eight countries. Using a leave-one-center-out cross-validation scheme, for each center in turn, we trained a model using data from the remaining centers. The models demonstrated robust performance across centers, ultrasound systems, histological diagnoses and patient age groups, significantly outperforming both expert and non-expert examiners on all evaluated metrics, namely F1 score, sensitivity, specificity, accuracy, Cohen's kappa, Matthew's correlation coefficient, diagnostic odds ratio and Youden's J statistic. Furthermore, in a retrospective triage simulation, artificial intelligence (AI)-driven diagnostic support reduced referrals to experts by 63% while significantly surpassing the diagnostic performance of the current practice. These results show that transformer-based models exhibit strong generalization and above human expert-level diagnostic accuracy, with the potential to alleviate the shortage of expert ultrasound examiners and improve patient outcomes.

• MeSH
• deep learning MeSH
• dospělí MeSH
• lidé středního věku MeSH
• lidé MeSH
• nádory vaječníků * diagnostické zobrazování   MeSH
• neuronové sítě * MeSH
• retrospektivní studie MeSH
• senioři MeSH
• senzitivita a specificita MeSH
• ultrasonografie * metody   MeSH
• umělá inteligence MeSH
• Check Tag
• dospělí MeSH
• lidé středního věku MeSH
• lidé MeSH
• senioři MeSH
• ženské pohlaví MeSH
• Publikační typ
• časopisecké články MeSH
• multicentrická studie MeSH
• validační studie MeSH

Cíl: Cílem naší studie bylo kvantifikovat a porovnat imunobarvení IL-2, IL-5, IL-6, IL-8 a TNFa ve tkáni endometriomu, nenádorových nádorech, benigních novotvarech a maligních novotvarech vaječníků. Materiál a metody: Studie se zúčastnilo 90 pacientek; bylo dia gnostikováno 15 nenádorových lézí ovaria, 28 ovariálních benigních novotvarů, 28 ovariálních maligních novotvarů a 19 ovariálních endometriomů. Imunohistochemie byla provedena pro cytokiny IL-2, IL-5, IL-6, IL-8 a TNFa a jejich koncentrace byly v těchto skupinách porovnány. Použili jsme Fisherův exaktní test, podle něhož jsou významné hodnoty p < 0,05. Výsledky: Imunobarvení epitelu na přítomnost IL-5 a IL-8 je silnější u endometriomů než u karcinomu vaječníků (p hodnoty 0,0046 a 0,0149). Stromální imunobarvení TNFa, IL-5, IL-6 a IL8 je silnější u endometriomů než u rakoviny vaječníků (p hodnoty 0,0008; < 0,0001; 0,0003 a 0,0006). Závěr: Silnější imunobarvení ně kte rých cytokinů u endometriomů ve srovnání s karcinomem ovaria odráží zánětlivou a imunitní odpověď, která by mohla být budoucím cílem nových objevů o infiltrativním chování endometriózy.

Objective: The objective of our study was to quantify and compare the immunostaining of IL-2, IL-5, IL-6, IL-8, and TNF-α in endometriomal tissue, non-neoplastic tumors, benign neoplasms, and malignant ovarian neoplasms. Materials and methods: The study involved 90 patients: 15 non-neoplastic ovarian lesions, 28 ovarian benign neoplasms, 28 ovarian malignant neoplasms, and 19 ovarian endometriomas were diagnosed. Immunohistochemistry was performed for cytokines IL-2, IL-5, IL-6, IL-8, and TNF-α and their concentrations were compared in these groups. Fisher‘s exact test was used, requiring a P-value of < 0.05 for significance. Results: IL-5 and IL-8 epithelial immunostaining is stronger in endometriomas than in ovarian cancer (P-values of 0.0046 and 0.0149, resp.). The stromal immunostaining of TNF-α, IL-5, IL-6, and IL8 is stronger in endometriomas than in ovarian cancer (P-values of 0.0008, < 0.0001, 0.0003, and 0.0006, resp.). Conclusions: Stronger immunostaining of some cytokines in endometriomas compared to ovarian cancer reflects an inflammatory and immune response that could be future targets for new discoveries about the infiltrative behavior of endometriosis.

• MeSH
• barvení a značení klasifikace   metody   MeSH
• cytokiny analýza   imunologie   klasifikace   MeSH
• endometrióza * diagnostické zobrazování   diagnóza   imunologie   MeSH
• imunohistochemie * klasifikace   metody   MeSH
• interleukin-6 analýza   imunologie   MeSH
• lidé MeSH
• nádory vaječníků * diagnostické zobrazování   imunologie   klasifikace   MeSH
• Check Tag
• lidé MeSH
• ženské pohlaví MeSH
• Publikační typ
• klinická studie MeSH
• práce podpořená grantem MeSH

BACKGROUND: The aim was to evaluate the performance of the Peritoneal Cancer Index (PCI) using imaging (ultrasound, contrast-enhanced computed tomography (CT), and whole-body diffusion-weighted magnetic resonance imaging (WB-DWI/MRI) in assessing peritoneal carcinomatosis and predicting non-resectability in tubo-ovarian carcinoma patients. METHODS: This was a prospective multicenter observational study. We considered all patients with suspected primary ovarian/tubal/peritoneal cancer who underwent preoperative ultrasound, CT, and WB-DWI/MRI (if available). The optimal cut off value for assessing the performance of the methods in predicting non-resectability was identified at the point at which the sensitivity and specificity were most similar. The reference standard to predict non-resectability was surgical outcome in terms of residual disease >1 cm or surgery not feasible. Agreement between imaging methods and surgical exploration in assessing sites included in the PCI score was evaluated using the Intraclass Correlation Coefficient (ICC). RESULTS: 242 patients were included from January 2020 until November 2022. The optimal PCI cut-off for predicting non-resectability for surgical exploration was >12, which achieved the best AUC of 0.87, followed by ultrasound with a cut-off of >10 and AUC of 0.81, WB-DWI/MRI with a cut-off of >12 and AUC of 0.81, and CT with a cut-off of >11 and AUC of 0.74. Using ICC, ultrasound had very high agreement (0.94) with surgical PCI, while CT and WB-DWI/MRI had high agreement (0.86 and 0.87, respectively). CONCLUSION: Ultrasound performed by an expert operator had the best agreement with surgical findings compared to WB-DWI/MRI and CT in assessing radiological PCI. In predicting non-resectability, ultrasound was non-inferior to CT, while its non-inferiority to WB-DWI/MRI was not demonstrated.

• MeSH
• difuzní magnetická rezonance metody   MeSH
• dospělí MeSH
• lidé středního věku MeSH
• lidé MeSH
• nádory vaječníků * diagnostické zobrazování   patologie   chirurgie   MeSH
• nádory vejcovodů diagnostické zobrazování   patologie   chirurgie   MeSH
• peritoneální nádory * diagnostické zobrazování   MeSH
• počítačová rentgenová tomografie * metody   MeSH
• prediktivní hodnota testů MeSH
• prospektivní studie MeSH
• senioři MeSH
• ultrasonografie * metody   MeSH
• Check Tag
• dospělí MeSH
• lidé středního věku MeSH
• lidé MeSH
• senioři MeSH
• ženské pohlaví MeSH
• Publikační typ
• časopisecké články MeSH
• multicentrická studie MeSH
• pozorovací studie MeSH

• MeSH
• klinická studie jako téma * MeSH
• lidé MeSH
• nádory vaječníků * diagnostické zobrazování   MeSH
• pilotní projekty MeSH
• ultrasonografie metody   MeSH
• Check Tag
• lidé MeSH
• ženské pohlaví MeSH
• Publikační typ
• novinové články MeSH

OBJECTIVES: To externally and prospectively validate the International Ovarian Tumor Analysis (IOTA) Simple Rules (SRs), Logistic Regression model 2 (LR2) and Assessment of Different NEoplasias in the adneXa (ADNEX) model in a Portuguese population, comparing these approaches with subjective assessment and the risk-of-malignancy index (RMI), as well as with each other. This study also aimed to retrospectively validate the IOTA two-step strategy, using modified benign simple descriptors (MBDs) followed by the ADNEX model in cases in which MBDs were not applicable. METHODS: This was a prospective multicenter diagnostic accuracy study conducted between January 2016 and December 2021 of consecutive patients with an ultrasound diagnosis of at least one adnexal tumor, who underwent surgery at one of three tertiary referral centers in Lisbon, Portugal. All ultrasound assessments were performed by Level-II or -III sonologists with IOTA certification. Patient clinical data and serum CA 125 levels were collected from hospital databases. Each adnexal mass was classified as benign or malignant using subjective assessment, RMI, IOTA SRs, LR2 and the ADNEX model (with and without CA 125). The reference standard was histopathological diagnosis. In the second phase, all adnexal tumors were classified retrospectively using the two-step strategy (MBDs + ADNEX). Sensitivity, specificity, positive and negative predictive values, positive and negative likelihood ratios and overall accuracy were determined for all methods. Receiver-operating-characteristics curves were constructed and corresponding areas under the curve (AUC) were determined for RMI, LR2, the ADNEX model and the two-step strategy. The ADNEX model calibration plots were constructed using locally estimated scatterplot smoothing (LOESS). RESULTS: Of the 571 patients included in the study, 428 had benign disease and 143 had malignant disease (prevalence of malignancy, 25.0%), of which 42 had borderline ovarian tumor, 93 had primary invasive adnexal cancer and eight had metastatic tumors in the adnexa. Subjective assessment had an overall sensitivity of 97.9% and a specificity of 83.6% for distinguishing between benign and malignant lesions. RMI showed high specificity (95.6%) but very low sensitivity (58.7%), with an AUC of 0.913. The IOTA SRs were applicable in 80.0% of patients, with a sensitivity of 94.8% and specificity of 98.6%. The IOTA LR2 had a sensitivity of 84.6%, specificity of 86.9% and an AUC of 0.939, at a malignancy risk cut-off of 10%. At the same cut-off, the sensitivity, specificity and AUC for the ADNEX model with vs without CA 125 were 95.8% vs 98.6%, 82.5% vs 79.7% and 0.962 vs 0.960, respectively. The ADNEX model gave heterogeneous results for distinguishing between benign masses and different subtypes of malignancy, with the highest AUC (0.991) for discriminating benign masses from primary invasive adnexal cancer Stages II-IV, and the lowest AUC (0.696) for discriminating primary invasive adnexal cancer Stage I from metastatic lesion in the adnexa. The calibration plot suggested underestimation of the risk by the ADNEX model compared with the observed proportion of malignancy. The MBDs were applicable in 26.3% (150/571) of cases, of which none was malignant. The two-step strategy using the ADNEX model in the second step only, with and without CA 125, had AUCs of 0.964 and 0.961, respectively, which was similar to applying the ADNEX model in all patients. CONCLUSIONS: The IOTA methods showed good-to-excellent performance in the Portuguese population, outperforming RMI. The ADNEX model was superior to other methods in terms of accuracy, but interpretation of its ability to distinguish between malignant subtypes was limited by sample size and large differences in the prevalence of tumor subtypes. The IOTA MBDs are reliable in identifying benign disease. The two-step strategy comprising application of MBDs followed by the ADNEX model if MBDs are not applicable, is suitable for daily clinical practice, circumventing the need to calculate the risk of malignancy in all patients. © 2024 International Society of Ultrasound in Obstetrics and Gynecology.

• MeSH
• antigen CA-125 krev   MeSH
• diferenciální diagnóza MeSH
• dospělí MeSH
• lidé středního věku MeSH
• lidé MeSH
• logistické modely MeSH
• nádory vaječníků * diagnostické zobrazování   patologie   klasifikace   krev   MeSH
• nemoci děložních adnex * diagnostické zobrazování   MeSH
• prediktivní hodnota testů MeSH
• prospektivní studie MeSH
• reprodukovatelnost výsledků MeSH
• retrospektivní studie MeSH
• ROC křivka MeSH
• senioři MeSH
• senzitivita a specificita MeSH
• ultrasonografie * metody   MeSH
• Check Tag
• dospělí MeSH
• lidé středního věku MeSH
• lidé MeSH
• senioři MeSH
• ženské pohlaví MeSH
• Publikační typ
• časopisecké články MeSH
• multicentrická studie MeSH
• validační studie MeSH
• Geografické názvy
• Portugalsko MeSH

BACKGROUND: A laparoscopy-based scoring system was developed by Fagotti et al (Fagotti or Predictive Index value (PIV)score) based on the intraoperative presence or absence of carcinomatosis on predefined sites. Later, the authors updated the PIV score calculated only in the absence of one or both absolute criteria of nonresectability (mesenteric retraction and miliary carcinomatosis of the small bowel) (updated PIV model). OBJECTIVE: The aim was to demonstrate the noninferiority of ultrasound to other imaging methods (contrast enhanced computed tomography (CT) and whole-body diffusion-weighted magnetic resonance imaging (WB-DWI)/MRI) in predicting nonresectable tumor (defined as residual disease >1 cm) using the updated PIV model in patients with tubo-ovarian cancer. The agreement between imaging and intraoperative findings as a reference was also calculated. STUDY DESIGN: This was a European prospective multicenter observational study. We included patients with suspected tubo-ovarian carcinoma who underwent preoperative staging and prediction of nonresectability at ultrasound, CT, WB-DWI/MRI, and surgical exploration. Ultrasound and CT were mandatory index tests, while WB-DWI/MRI was an optional test (non-available in all centers). The predictors of nonresectability were suspicious mesenteric retraction and/or miliary carcinomatosis of the small bowel or if absent, a PIV >8 (updated PIV model). The PIV score ranges from 0 to 12 according to the presence of disease in 6 predefined intra-abdominal sites (great omentum, liver surface, lesser omentum/stomach/spleen, parietal peritoneum, diaphragms, bowel serosa/mesentery). The reference standard was surgical outcome, in terms of residual disease >1 cm, assessed by laparoscopy and/or laparotomy. The area under the receiver operating characteristic curve (AUC) to assess the performance of the methods in predicting nonresectability was reported. Concordance between index tests at the detection of disease at 6 predefined sites and intraoperative exploration as reference standard was also calculated using Cohen's kappa. RESULTS: The study was between 2018 and 2022 in 5 European gynecological oncology centers. Data from 242 patients having both mandatory index tests (ultrasound and CT) were analyzed. 145/242 (59.9%) patients had no macroscopic residual tumor after surgery (R0) (5/145 laparoscopy and 140/145 laparotomy) and 17/242 (7.0%) had residual tumor ≤1 cm (R1) (laparotomy). In 80/242 patients (33.1%), the residual tumor was>1 cm (R2), 30 of them underwent laparotomy and maximum surgery was carried out, and 50/80 underwent laparoscopy only, because cytoreduction was not feasible in all of them. After excluding 18/242 (7.4%) patients operated on but not eligible for extensive surgery, the predictive performance of 3 imaging methods was analyzed in 167 women. The AUCs of all methods in discriminating between resectable and nonresectable tumor was 0.80 for ultrasound, 0.76 for CT, 0.71 for WB-DWI/MRI, and 0.90 for surgical exploration. Ultrasound had the highest agreement (Cohen's kappa ranging from 0.59 to 0.79) than CT and WB-DWI/MRI to assess all parameters included in the updated PIV model. CONCLUSION: Ultrasound showed noninferiority to CT and to WB-DWI/MRI in discriminating between resectable and nonresectable tumor using the updated PIV model. Ultrasound had the best agreement between imaging and intraoperative findings in the assessment of parameters included in the updated PIV model. Ultrasound is an acceptable method to assess abdominal disease and predict nonresectability in patients with tubo-ovarian cancer in the hands of specially trained ultrasound examiners.

• MeSH
• difuzní magnetická rezonance metody   MeSH
• dospělí MeSH
• laparoskopie metody   MeSH
• lidé středního věku MeSH
• lidé MeSH
• nádory vaječníků * diagnostické zobrazování   chirurgie   patologie   MeSH
• počítačová rentgenová tomografie * MeSH
• prediktivní hodnota testů * MeSH
• prospektivní studie MeSH
• reziduální nádor diagnostické zobrazování   MeSH
• senioři MeSH
• staging nádorů MeSH
• ultrasonografie MeSH
• Check Tag
• dospělí MeSH
• lidé středního věku MeSH
• lidé MeSH
• senioři MeSH
• ženské pohlaví MeSH
• Publikační typ
• časopisecké články MeSH
• multicentrická studie MeSH
• pozorovací studie MeSH

BACKGROUND: In addition to the diagnostic accuracy of imaging methods, patient-reported satisfaction with imaging methods is important. OBJECTIVE: To report a secondary outcome of the prospective international multicenter Imaging Study in Advanced ovArian Cancer (ISAAC Study), detailing patients' experience with abdomino-pelvic ultrasound, whole-body contrast-enhanced computed tomography (CT), and whole-body diffusion-weighted magnetic resonance imaging (WB-DWI/MRI) for pre-operative ovarian cancer work-up. METHODS: In total, 144 patients with suspected ovarian cancer at four institutions in two countries (Italy, Czech Republic) underwent ultrasound, CT, and WB-DWI/MRI for pre-operative work-up between January 2020 and November 2022. After having undergone all three examinations, the patients filled in a questionnaire evaluating their overall experience and experience in five domains: preparation before the examination, duration of examination, noise during the procedure, radiation load of CT, and surrounding space. Pain perception, examination-related patient-perceived unexpected, unpleasant, or dangerous events ('adverse events'), and preferred method were also noted. RESULTS: Ultrasound was the preferred method by 49% (70/144) of responders, followed by CT (38%, 55/144), and WB-DWI/MRI (13%, 19/144) (p<0.001). The poorest experience in all domains was reported for WB-DWI/MRI, which was also associated with the largest number of patients who reported adverse events (eg, dyspnea). Patients reported higher levels of pain during the ultrasound examination than during CT and WB-DWI/MRI (p<0.001): 78% (112/144) reported no pain or mild pain, 19% (27/144) moderate pain, and 3% (5/144) reported severe pain (pain score >7 of 10) during the ultrasound examination. We did not identify any factors related to patients' preferred method. CONCLUSION: Ultrasound was the imaging method preferred by most patients despite being associated with more pain during the examination in comparison with CT and WB-DWI/MRI. TRIAL REGISTRATION NUMBER: NCT03808792.

• MeSH
• celotělové zobrazování metody   MeSH
• difuzní magnetická rezonance * metody   MeSH
• dospělí MeSH
• lidé středního věku MeSH
• lidé MeSH
• nádory vaječníků * diagnostické zobrazování   patologie   MeSH
• počítačová rentgenová tomografie * metody   MeSH
• předoperační péče metody   MeSH
• prospektivní studie MeSH
• průřezové studie MeSH
• senioři nad 80 let MeSH
• senioři MeSH
• spokojenost pacientů * MeSH
• staging nádorů MeSH
• ultrasonografie * metody   MeSH
• Check Tag
• dospělí MeSH
• lidé středního věku MeSH
• lidé MeSH
• senioři nad 80 let MeSH
• senioři MeSH
• ženské pohlaví MeSH
• Publikační typ
• časopisecké články MeSH
• multicentrická studie MeSH

• MeSH
• lidé MeSH
• nádory vaječníků * diagnostické zobrazování   MeSH
• peritoneální nádory * diagnostické zobrazování   MeSH
• ultrasonografie MeSH
• Check Tag
• lidé MeSH
• ženské pohlaví MeSH
• Publikační typ
• přehledy MeSH

• MeSH
• diferenciální diagnóza MeSH
• dítě MeSH
• lidé MeSH
• mladiství MeSH
• nádory dělohy diagnostické zobrazování   epidemiologie   patologie   MeSH
• nádory vaginy diagnostické zobrazování   epidemiologie   patologie   MeSH
• nádory vaječníků diagnostické zobrazování   epidemiologie   patologie   MeSH
• nádory vulvy * diagnostické zobrazování   epidemiologie   patologie   MeSH
• Check Tag
• dítě MeSH
• lidé MeSH
• mladiství MeSH
• ženské pohlaví MeSH

OBJECTIVES: To compare the performance of transvaginal and transabdominal ultrasound with that of the first-line staging method (contrast-enhanced computed tomography (CT)) and a novel technique, whole-body magnetic resonance imaging with diffusion-weighted sequence (WB-DWI/MRI), in the assessment of peritoneal involvement (carcinomatosis), lymph-node staging and prediction of non-resectability in patients with suspected ovarian cancer. METHODS: Between March 2016 and October 2017, all consecutive patients with suspicion of ovarian cancer and surgery planned at a gynecological oncology center underwent preoperative staging and prediction of non-resectability with ultrasound, CT and WB-DWI/MRI. The evaluation followed a single, predefined protocol, assessing peritoneal spread at 19 sites and lymph-node metastasis at eight sites. The prediction of non-resectability was based on abdominal markers. Findings were compared to the reference standard (surgical findings and outcome and histopathological evaluation). RESULTS: Sixty-seven patients with confirmed ovarian cancer were analyzed. Among them, 51 (76%) had advanced-stage and 16 (24%) had early-stage ovarian cancer. Diagnostic laparoscopy only was performed in 16% (11/67) of the cases and laparotomy in 84% (56/67), with no residual disease at the end of surgery in 68% (38/56), residual disease ≤ 1 cm in 16% (9/56) and residual disease > 1 cm in 16% (9/56). Ultrasound and WB-DWI/MRI performed better than did CT in the assessment of overall peritoneal carcinomatosis (area under the receiver-operating-characteristics curve (AUC), 0.87, 0.86 and 0.77, respectively). Ultrasound was not inferior to CT (P = 0.002). For assessment of retroperitoneal lymph-node staging (AUC, 0.72-0.76) and prediction of non-resectability in the abdomen (AUC, 0.74-0.80), all three methods performed similarly. In general, ultrasound had higher or identical specificity to WB-DWI/MRI and CT at each of the 19 peritoneal sites evaluated, but lower or equal sensitivity in the abdomen. Compared with WB-DWI/MRI and CT, transvaginal ultrasound had higher accuracy (94% vs 91% and 85%, respectively) and sensitivity (94% vs 91% and 89%, respectively) in the detection of carcinomatosis in the pelvis. Better accuracy and sensitivity of ultrasound (93% and 100%) than WB-DWI/MRI (83% and 75%) and CT (84% and 88%) in the evaluation of deep rectosigmoid wall infiltration, in particular, supports the potential role of ultrasound in planning rectosigmoid resection. In contrast, for the bowel serosal and mesenterial assessment, abdominal ultrasound had the lowest accuracy (70%, 78% and 79%, respectively) and sensitivity (42%, 65% and 65%, respectively). CONCLUSIONS: This is the first prospective study to document that, in experienced hands, ultrasound may be an alternative to WB-DWI/MRI and CT in ovarian cancer staging, including peritoneal and lymph-node evaluation and prediction of non-resectability based on abdominal markers of non-resectability. © 2021 International Society of Ultrasound in Obstetrics and Gynecology.

• MeSH
• celotělové zobrazování statistika a číselné údaje   MeSH
• difuzní magnetická rezonance statistika a číselné údaje   MeSH
• dospělí MeSH
• epiteliální ovariální karcinom diagnostické zobrazování   patologie   MeSH
• invazivní růst nádoru MeSH
• lidé středního věku MeSH
• lidé MeSH
• lymfatické uzliny patologie   MeSH
• magnetická rezonanční tomografie statistika a číselné údaje   MeSH
• nádory vaječníků diagnostické zobrazování   patologie   MeSH
• peritoneální nádory diagnostické zobrazování   patologie   MeSH
• prospektivní studie MeSH
• Check Tag
• dospělí MeSH
• lidé středního věku MeSH
• lidé MeSH
• ženské pohlaví MeSH
• Publikační typ
• časopisecké články MeSH