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In this retrospective study, subjects prospectively collected between 1997 and 2015 in the International Ovarian Tumour Analysis (IOTA) studies were searched for the histological confirmation of a mature cystic teratoma. Data were extracted from the databases of five ultrasound centre for IOTA phases 1-3 and phase 5, in which ultrasound examination was performed according to a standardised research protocol. Median lesion diameter was 66.5 mm [range: 15-310 mm]. [Extracted from the article]

An abstract of the article "Two-step strategy to preoperatively assess adnexal lesions not classifiable by EDs, using RMI, IOTA ADNEX or simple rules risk model," by C. Landolfo and colleagues is presented.

To describe the clinical and ultrasound features of ovarian mature cystic teratomas (MCTs). We included those patients with a histologically confirmed diagnosis of MCT that had been examined with ultrasound between 1999 and 2016 (IOTA phases 1, 2, 3 and 5) in five centres. All patients had undergone transvaginal ultrasound by an experienced ultrasound examiner who used the standardised IOTA examination technique and terminology. [Extracted from the article]

To evaluate the concordance between histology obtained by ultrasound (US)-guided biopsy and surgery in patients with primary advanced ovarian cancer. In 6 cases, the histology obtained via US-guided biopsy was falsely negative, whereas in 4/102 cases, the biopsy obtained through surgery was negative (3 cases) or inadequate (1 case). OP07.13: Prospective study evaluating the role of ultrasound-guided biopsy as a useful tool in patients with suspected advanced ovarian cancer. [Extracted from the article]

Therefore, an ultrasound guided biopsy on the omentum was performed and the histology was positive for an ovarian Müllerian carcinoma. After two cycles of carboplatin/paclitaxel-based chemotherapy, the serum value of CA125 was 80 U/mL and the ultrasound examination at 32 weeks showed a progression of abdominal peritoneal disease. [Extracted from the article]

Metastases of breast cancer commonly involve ovaries, while the myometrium is rarely affected. We described the case of an asymptomatic 52-year-old woman who developed uterine and ovarian metastases two years after the diagnosis of an invasive ductal breast carcinoma with lymph node involvement and positive hormonal receptors. Uterine metastases from breast cancer are uncommon and rarely reported in the literature. [Extracted from the article]

The ultrasound examiner was uncertain to the diagnosis: the first hypothesis was a metastatic tumour due to the personal history, bilateral tumours and negative CA 125. Malignant mesothelioma is an uncommon tumour that can be difficult to diagnose and there are no studies describing the ultrasound feature of ovarian malignant mesothelioma. [Extracted from the article]

Results For discriminating high risk category vs the other categories one random forest model from the radiomics features (radiomics model), and two logistic regression models from clinical and ultrasound features (clinical-ultrasound model), and from clinical, ultrasound and radiomics features (mixed model) were created. Aim of this study was to develop and validate ultrasound-based radiomics models, aiming to differentiating high risk category, as defined by ESMO-ESGO-ESTRO in 2016, vs the remaining categories of risk. OC10.01: *Developing and validating ultrasound-based radiomics models for predicting high-risk category in endometrial cancer patients. [Extracted from the article]

A laparoscopy-based scoring model to assess the resectability in ovarian cancer was developed by Fagotti. Agreement between ultrasound and laparoscopy was almost perfect for great omentum ( =0.85), substantial for liver surface ( =0.73), diaphragms ( =0.70), parietal peritoneum ( =0.63) and bowel ( =0.77); moderate for lesser omentum/stomach/spleen ( =0.54). Patients with clinical or radiological suspicion of ovarian/peritoneal cancer between January 2019 and June 2020 were assessed with preoperative ultrasound examination and assigned a score based on the six Fagotti's score parameters (great omentum, liver surface, lesser omentum/stomach/spleen, parietal peritoneum, diaphragms, bowel). [Extracted from the article]

This is a prospective study to describe the prevalence and morphological features of benign endometrial polyps in women without abnormal uterine bleeding. Patients presenting in 15 ultrasound centres from 2011 until 2018 for indications unrelated to abnormal bleeding, underwent an ultrasound examination followed by endometrial sampling. Endometrial polyps are common in women without abnormal bleeding undergoing an ultrasound scan for reasons unrelated with bleeding problems. [Extracted from the article]