📄 SCRS
Ovarian Simple cyst
Ovarian Simple cyst ultrasound case study
USG
Ovarian Simple cyst ultrasound case study
Case Study Record
| SN | Case Name | Report Line |
|---|---|---|
| 1 | Left Ovarian Simple cyst | View Report Line |
| 2 | - | - |
| 3 | - | |
| 4 | - | - |
| 5 | - | - |
CASE–1
Left Ovarian Simple Cyst
Left Ovarian Simple Cyst
Clinical History
A 34-year-old female presented with intermittent lower abdominal pain and pelvic discomfort. There was no history of fever, abnormal uterine bleeding, weight loss, or known ovarian malignancy. Pelvic ultrasound was performed for further evaluation.
Ultrasound Findings
Ultrasound examination demonstrates a well-defined, thin-walled, unilocular anechoic cyst measuring approximately 3.8 × 3.2 cm arising from the left ovary. The cyst shows posterior acoustic enhancement without internal septations, mural nodules, papillary projections, or internal echoes. Color Doppler demonstrates no internal vascularity. The remaining left ovarian parenchyma appears normal. The right ovary is unremarkable. No adnexal mass or free fluid is identified in the pelvis.
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| Pelvic ultrasound. Transvers sonographic image demonstrates a well-circumscribed unilocular anechoic cyst within the left ovary showing posterior acoustic enhancement without septations or solid components, consistent with a simple ovarian cyst. |
Report Line
A 55 x 43 mm thin-walled unilocular anechoic cyst is identified within the left ovary. The lesion demonstrates posterior acoustic enhancement without internal septations, mural nodules, papillary projections, or internal vascularity on Color Doppler examination. Findings are consistent with a simple left ovarian cyst.
Impression
Simple left ovarian cyst. No suspicious sonographic features.
Go To Table
Recommendation
Clinical correlation is advised. In premenopausal women, simple ovarian cysts measuring less than 5 cm are usually physiological and generally do not require follow-up. Follow-up ultrasound may be considered if the cyst enlarges, becomes symptomatic, or develops complex sonographic features. In postmenopausal women, management should follow O-RADS and society guidelines.
Key Learning Points
- A simple ovarian cyst is a thin-walled, unilocular anechoic lesion with posterior acoustic enhancement.
- There should be no septations, mural nodules, papillary projections, or solid components.
- Absence of internal vascularity on Color Doppler supports a benign diagnosis.
- Simple cysts in premenopausal women are commonly physiological (dominant follicle or functional cyst).
- O-RADS US 2 lesions have an estimated malignancy risk of less than 1%.
- Most simple ovarian cysts measuring <5 cm in premenopausal women do not require imaging follow-up.
- Complex internal echoes, papillary projections, mural nodules, thick septations, or vascular solid components warrant further evaluation.
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