Gynaecologic Imaging-Reporting and Data System (GI-RADS)
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The Gynecologic Imaging Reporting and Data System (GI-RADS) is a reporting system that was created for reporting the findings in adnexal masses based on transvaginal ultrasonography.
Classification
Findings are classified into five categories 1:
- GI-RADS 1
- normal ovaries identified and no adnexal mass seen
- GI-RADS 2
- adnexal functional lesions
- follicles
- corpus luteum
- hemorrhagic cysts
- adnexal functional lesions
- GI-RADS 3
- benign neoplastic adnexal lesions
- endometrioma
- teratoma
- simple cyst
- hydrosalpinx
- paraovarian cyst
- peritoneal pseudocyst
- pedunculated myoma
- changes suggestive of pelvic inflammatory disease
- benign neoplastic adnexal lesions
- GI-RADS 4
- any adnexal lesion not included in GI‐RADS 1–3
- in addition, the lesion has one or two findings suggestive of malignancy such as:
- thick papillary projections
- thick septations
- solid areas
- ascites
- vascularisation within solid areas
- papillary projections
- a central area of a solid tumour visualised on colour or power Doppler
- GI-RADS 5
- adnexal masses with three or more findings suggestive of malignancy (as listed above)
Performance
GI-RADS has shown good performance with a sensitivity and specificity of 92% and 97% of diagnosing malignant tumours when compared to a final histological diagnosis 2.
Treatment and prognosis
Risk of malignancy 1:
- GI-RADS 1: 0%
- GI-RADS 2: <
;1; 1% - GI-RADS 3: 1-4%
- GI-RADS 4: 5-20%
- GI-RADS 5: >
;20; 20%
See also
-<li>GI-RADS 2: <1%</li>- +<li>GI-RADS 2: < 1%</li>
-<li>GI-RADS 5: >20%</li>- +<li>GI-RADS 5: > 20%</li>
- +</ul><h4>See also</h4><ul>
- +<li><a href="/articles/ovarian-adnexal-reporting-and-data-system">ovarian-adnexal reporting and data system </a></li>
- +<li><a href="/articles/iota-ultrasound-rules-for-ovarian-masses">IOTA ultrasound rules for ovarian masses</a></li>
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