Interpretation
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complex ovarian cyst with internal septations management premenopausal
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left ovarian cyst ultrasound loculated fluid septations differential diagnosis
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Whole Abdomen USG Report — Interpretation
Patient: Tej Rani | Female | Age 42 | Date: 25/03/2026
Normal Findings (Organs with No Pathology)
| Organ | Finding |
|---|---|
| Liver | Normal size, shape, smooth outline, normal parenchymal echotexture; portal & hepatic veins normal; CHD & CBD normal caliber; no periportal changes |
| Pancreas | Normal size, regular margins and echogenicity |
| Spleen | Normal size, contour, and echo pattern |
| Kidneys | Both kidneys in normal anatomical position; normal size, shape, corticomedullary differentiation, and calyceal systems bilaterally |
| Uterus | Anteverted (normal position), normal size and shape |
| Urinary Bladder | Partially distended, echo-free (no calculi, no mass) |
Key Findings Requiring Attention
1. Gall Bladder — Not Visualized
- Documented as "Post op" — likely previously surgically removed (cholecystectomy). This is a pre-existing condition and not a new finding.
2. Endometrium — 5.8 mm
- At age 42 (likely perimenopausal), an endometrial thickness of 5.8 mm is within normal limits for a premenopausal/perimenopausal woman. No action needed unless there is abnormal uterine bleeding.
3. ⚠️ Left Ovarian Complex Cyst — The Critical Finding
What the report says:
- Loculated fluid collection measuring 8.85 cm × 8.48 cm (nearly 9 cm)
- Internal septations present
- Located in the left adnexa
- No free fluid in the cul-de-sac (pouch of Douglas)
What "complex cyst" means:
A complex ovarian cyst is one that is NOT purely simple fluid-filled. The presence of internal septations (dividing walls within the cyst) and loculated fluid makes this a complex cyst. This raises the need for further evaluation because complex cysts can represent several conditions.
Differential Diagnosis for a Complex Ovarian Cyst with Septations
| Diagnosis | Features suggesting it | Likelihood |
|---|---|---|
| Hemorrhagic cyst | Common in premenopausal women; usually resolves in 6–12 weeks | Possible |
| Endometrioma | History of pelvic pain, dysmenorrhea, infertility | Possible |
| Benign cystadenoma (serous/mucinous) | Large, multiloculated, thin septations | Possible |
| Hydrosalpinx / tubo-ovarian complex | History of PID/infection | Possible |
| Ovarian malignancy | Thick septations, solid nodules, vascularity, ascites — none reported here | Less likely but must be excluded |
What You Should Do Next
The report advises "correlate clinically and further investigation," which means:
-
Gynecology consultation — urgent
- A gynecologist should review this in the context of symptoms: pelvic pain, menstrual irregularity, bloating, pressure symptoms.
-
Tumor markers (blood tests):
- CA-125 — elevated in ovarian malignancy, endometriosis, PID
- CEA, CA 19-9 — may also be ordered
- Note: CA-125 can be elevated in benign conditions too; it is not diagnostic alone.
-
Follow-up or dedicated pelvic ultrasound (transvaginal USG):
- A transvaginal ultrasound gives a clearer, higher-resolution view of the ovary and can better characterize the septations (thin vs. thick), presence of solid components, and blood flow (Doppler).
- Per gynecologic ultrasound guidelines, documentation of septation thickness, mural nodules, and vascular characteristics is essential for risk stratification (GLGCA Ultrasound Guidelines, p. 4).
-
MRI pelvis (if further characterization needed):
- MRI is the best imaging modality to distinguish benign from potentially malignant ovarian masses when ultrasound is inconclusive.
-
IOTA or ADNEX risk scoring may be applied by the gynecologist using ultrasound features to estimate malignancy risk.
Management Overview
Based on current surgical guidelines (Bailey & Love's Surgery, 28th Ed., p. 1613):
- If the cyst is benign and the patient is symptomatic or the cyst does not regress, laparoscopic ovarian cystectomy is the treatment of choice, preserving healthy ovarian tissue.
- If the cyst regresses on follow-up (especially if hemorrhagic), surgery may be avoided.
Summary
This USG shows a large (~9 cm) complex left ovarian cyst with internal septations in a 42-year-old woman. All other abdominal organs are normal. The gall bladder is absent (post-operative). This finding requires urgent gynecological evaluation, tumor marker testing (CA-125), and likely a transvaginal USG or MRI for better characterization before deciding on management.
Do not ignore or delay follow-up on this finding. At age 42, while most complex cysts are benign, a cyst of this size with internal septations must be properly evaluated to rule out malignancy.
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