2020
DOI: 10.1186/s40644-020-00332-z
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Greater Omentum Imaging-Reporting and Data System: establishing the grade of benign and malignant lesions of the greater omentum using ultrasonography

Abstract: Objective: To establish Greater Omentum Imaging-Reporting and Data System (GOI-RADS) to evaluate the possibility of omental diseases being malignant. Method: A retrospective analysis was made of 883 patients who had undergone biopsy of the greater omentum in our center from October 2009 to October 2019. Twelve parameters of ultrasonographic images were evaluated, and the odds ratio of each group calculated. We assigned scores for the direct signs (omental echo, omental structure, and omental nodules) and indir… Show more

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Cited by 2 publications
(5 citation statements)
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“…Salman et al performed US examinations on 100 patients with ascites of unknown aetiology and suggested an omental thickness of ≥19.5 mm to be a predictor of malignancy 6. The size alone was not shown to be specific for malignancy in other studies 7 8. Similarly, in our study there were no significant differences in the mean sizes of mOM und bOM (p=0.07).…”
Section: Discussioncontrasting
confidence: 62%
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“…Salman et al performed US examinations on 100 patients with ascites of unknown aetiology and suggested an omental thickness of ≥19.5 mm to be a predictor of malignancy 6. The size alone was not shown to be specific for malignancy in other studies 7 8. Similarly, in our study there were no significant differences in the mean sizes of mOM und bOM (p=0.07).…”
Section: Discussioncontrasting
confidence: 62%
“…Despite the classical notion of the omentum being merely a ‘fat reservoir’, our understanding of its various immunological and regenerative roles and their clinical applications is evolving 3. There are many benign and malignant diseases which can affect the omentum and the differentiation between such diseases is often difficult 1 7 19 20. In terms of omental imaging, CT scan represents the classical diagnostic modality in omental diseases, however differentiating benign from malignant omental involvement is challenging and the CT signs of fat stranding, nodularity, large masses and omental caking lack specificity 1.…”
Section: Discussionmentioning
confidence: 99%
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“…[ 13 ] Secondary omental malignant tumors mostly originate from the metastasis of malignant tumors of the stomach, colon, pancreas, biliary tract, ovary, liver, etc, and the tumor size may vary. [ 14 , 15 ] Currently, there is no specific diagnostic method for omental tumors. Ultrasonography has the advantages of being non-ionizing, simple, and repeatable.…”
Section: Discussionmentioning
confidence: 99%
“…Primary omental malignant tumors that have been reported include leiomyosarcoma, fibrosarcoma, liposarcoma, mesothelioma, and malignant fibrous histiocytoma [13] . Secondary omental malignant tumors mostly originate from the metastasis of malignant tumors of the stomach, colon, pancreas, biliary tract, ovary, liver, etc, and the tumor size may vary [14,15] . Currently, there is no specific diagnostic method for omental tumors.…”
Section: Discussionmentioning
confidence: 99%