Cystic rete testis in a central bearded dragon (Pogona vitticeps)
Bibliographic record
Abstract
The rete testis forms from the mesonephric tubules in a series of interconnected channels in which spermatozoa travel in a high volume of fluid between the seminiferous tubules and efferent ductules. Cystic rete testis can be identified by uni- or multilocular cysts with a wall lined by low cuboidal epithelial cells and a dense fibrous stroma. An 11-year-old male central bearded dragon (Pogona vitticeps) was evaluated for a coelomic mass. The animal had no other clinical signs apart from coelomic mass effect. Exploratory surgery revealed a mass in the region of the right testis that was excised and submitted for histology. The central bearded dragon had no post-operative clinical abnormalities. Grossly, the 6-cm diameter, smooth, yellow mass was composed of numerous, 0.5-3.0-cm diameter cysts filled with yellow fluid. Histologically, the cysts were lined by simple cuboidal to flattened epithelial cells that rarely formed small tufts or papillary projections. Cyst lumina occasionally connected with seminiferous tubules, approximately 10 % of which were dilated and all of which had normal spermatogenesis. Epithelial cells had a small amount of eosinophilic, slightly vacuolated cytoplasm, rare apical cilia and basilar, round nuclei with coarse chromatin and small, distinct nucleoli. This is the first description of a cystic rete testis in a reptile or any non-mammalian species. Cystic rete testis can be primary or secondary to obstruction of the efferent ductules or epididymis. The lack of inflammation and absence of diffuse dilation of the seminiferous tubules suggest that spermatozoa were able to escape, consistent with primary cystic rete testis.
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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) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.001 | 0.000 |
| 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 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".