Liver Transplantation in Locally Unresectable, Undifferentiated Embryonal Cell Sarcoma
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Bibliographic record
Abstract
BACKGROUND: Undifferentiated embryonal cell sarcoma (UESL) of the liver is the third most common malignant liver disease of childhood presenting as a rapidly enlarging intraabdominal mass. This systematic review explores the practicality of liver transplantation as a viable option in the treatment armamentarium for locally advanced undifferentiated embryonal cell sarcoma. METHODS: A systematic review of the literature was performed using Medline and Embase, from inception of databases to December 31, 2018. Keywords and MeSH headings used were embryonal sarcoma, mesenchymal sarcoma, and liver transplant. Reviews and manuscripts with incomplete data were excluded. RESULTS: Twenty-eight patients had orthotopic liver transplantation (OLT) as a curative treatment option. The median age at presentation was 8 and 27 years in the pediatric and adult population, respectively, with a similar male to female ratio. A majority of the patients presented with abdominal pain, palpable mass, and a normal alpha-feto-protein. The median tumor size was 15 cm mainly affecting the right lobe (62%) of the liver. Eighty-two percent of the patients underwent primary OLT and 5 patients had salvage OLT. One death (3.6%) was due to initial misdiagnosis and management for hepatoblastoma. Recurrence was noted in 7.1% of the population. The median follow-up was noted to be 28.5 months. The documented survival rate post-liver transplant for UESL was 96%. CONCLUSIONS: Based on available data and the very positive results therein, liver transplantation is a practical and justifiable use of a scarce resource as a treatment option for locally unresectable, undifferentiated embryonal cell sarcoma. The authors propose (accepting existence of different proposals) neoadjuvant therapy before curative resection, and if not achievable, then liver transplantation followed by adjuvant chemotherapy is an option for suitable candidates. For recurrent tumors after surgical resection, adjuvant therapy with salvage liver transplantation is an option.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.002 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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 it