Isolated Gastric Metastasis of Endometrial Adenocarcinoma: First Case Report and Review of Pertinent Literature
Bibliographic record
Abstract
Upper gastrointestinal metastasis of endometrial carcinoma rarely occurs in the absence of locoregional disease and other distant metastases. We describe herein the unique case of an isolated gastric metastasis of a stage I endometrial adenocarcinoma. Because the metastatic tumor was initially misdiagnosed clinically and pathologically as a primary gastric carcinoma, we illustrate the histopathology and review the pertinent literature. A 42-year-old woman with Lynch syndrome underwent treatment of endometrial adenocarcinoma at an outside hospital comprising clinical and radiological staging including a positron emission tomography-computed tomography (PET-CT) scan followed by a total intra-abdominal hysterectomy, bilateral salpingoophorectomy and pelvic and paraaortic lymphadenectomy. The preoperative and pathology findings were consistent with a stage I tumor. Three months postoperatively, a PET-CT scan revealed a new 4.4 cm hypermetabolic lesion in the stomach. A biopsy of the lesion was interpreted pathologically as gastric adenocarcinoma with lymphoid stroma. Upon referral of the patient to our center for management, the biopsy was reviewed in consultation and the pathology materials from the hysterectomy procedure were retrieved for comparison. Based on the morphological and immunohistochemical similarities between the tumors the gastric tumor was diagnosed as metastatic endometrial adenocarcinoma. To our knowledge, this is the first documented case of an isolated gastric metastasis complicating stage I endometrial adenocarcinoma. Awareness of the potential for this occurrence and of the associated diagnostic pitfalls is crucial for accurate diagnosis and therapy.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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 teacher head, 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".