Malignant Struma Ovarii – A Case Report and Review of the Literature
Bibliographic record
Abstract
BACKGROUND: Struma ovarii is a rare monodermal ovarian teratoma composed predominantly of mature thyroid tissue. Of these cases, 5-8% are clinically hyperthyroid and 5-10% of these tumors are malignant. CASE REPORT: A 53-year-old female presented with a 19 x 5 x 5 cm pelvic mass that was treated with bilateral salpingo-oophorectomy, pelvic and para-aortic lymph node sampling, omentectomy and appendectomy and staging for an ovarian tumor. There was no evidence of distant metastases or lymph node invasion. Re-evaluation of the patient after surgery revealed that she was clinically euthyroid and there was no thyroid malignancy. Histopathology revealed papillary thyroid carcinoma arising in struma ovarii (malignant struma ovarii). CONCLUSION: Malignant struma ovarii is a very rare malignant ovarian teratoma. In young patients unilateral oophorectomy and complete surgical staging should be considered when the tumor is confined to the one ovary (stage Ia). Long-term follow-up for the detection of metastases or tumor recurrence by serial serum thyroglobulin and (131)I scan or positron emission tomography/computed tomography may be required in selected patients with this rare tumor.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.005 | 0.004 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.002 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.002 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".