Bibliographic record
Abstract
Despite its relative rarity compared with the common adult cancers, scientific and clinical interest in germ cell cancer is increasing. From the point of view of epidemiology, the controversy about the relative importance of intrauterine versus postpubertal risk factors has continued. Evidence to support the importance of intrauterine factors comes from reports from Norway, Canada, and the US, confirming the Danish observation that the rising incidence of germ cell cancer is linked to a birth cohort effect; evidence in support of the importance of postpubertal risk comes from three case/control studies demonstrating increased risk linked to postpubertal exposures such as pesticides, plastics, electromagnetic radiation, trauma, and infections. There has been increasing interest in human endogenous retrovirus K10 as a possible factor explaining genetic susceptibility and providing a linkage between the two groups of risk factors. In cytogenetics, progress was reported in identifying the deletion point of the suspected tumor suppressor gene responsible for the i12p marker chromosome abnormality and development of FISH probes for diagnostic purposes. In molecular biology, the importance of DNA repair deficiency in normal germ cells as a factor in the exquisite chemosensitivity of germ cell cancer has been high-lighted by a report demonstrating a low level of the xeroderma pigmentosa group A (XPA) protein and induction of resistance in vitro by adding XPA. In the clinic, progress in positron emission tomography scanning and laparoscopic lymph node staging are leading to changes in outlook on management of stage 1 cases and patients with small residual masses postchemotherapy. Salvage chemotherapy regimens integrating dose dense and vertical dose intensification strategies reported 60% progression-free survival. New drugs such as gemcitabine demonstrated continued therapeutic potential for chemotherapy in these tumors. A report demonstrating the inadequacies of hormone replacement after bilateral orchidectomy and a report of the first child born after testis-conserving therapy highlight the need for more attention to testis conservation as a quality of life issue. With the cure rates so high, the need for central referral is once again debated both for stage 1 and metastatic disease. With new ways of defining poor risk stage 1 patients and reports on impact of experience highlighting the worse outcome of patients treated in centers treating small numbers, views on this issue remain clearcut.
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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 | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.003 | 0.003 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.006 | 0.006 |
| Insufficient payload (model declined to judge) | 0.131 | 0.094 |
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".