Surgical Treatment of an Intracranial Epidermoid Cyst in a Dog
Why this work is in the frame
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Bibliographic record
Abstract
OBJECTIVE: To report challenges and complications associated with surgical intracranial epidermoid cyst removal from the fourth ventricle of a dog. STUDY DESIGN: Clinical report. ANIMAL: Labrador retriever (7 years old) with focal seizures. METHODS: Magnetic resonance imaging (MRI) revealed an oval lesion in the fourth ventricle. This lesion was heterogeneously hyperintense on T2-weighted and fluid attenuation inversion recovery (FLAIR) images and hypointense on T1-weighted images. Dilatation of the ventricular system was present. A ventriculoperitoneal shunt (VPS) was placed and the fourth ventricle was approached by suboccipital craniectomy. An oval, white mass was identified in the fourth ventricle. Subtotal removal of the mass was performed. RESULTS: On the day after surgery, neurologic deterioration was observed. The dog had severe cerebellar and brainstem dysfunction. Histopathologic examination of the removed tissue revealed an epidermoid cyst. The dog experienced gradual neurologic improvement; however, neurologic deterioration beginning at 6 months resulted in euthanasia 8 months after surgery. On necropsy, epidermoid cyst tissue was identified in the fourth ventricle. CONCLUSION: Surgical removal of an intracranial epidermoid cyst may be complicated by adhesions between the cyst capsule and surrounding neurovascular structures, causing postoperative morbidity and eventual recurrence of clinical signs. These observations should be taken into account when considering surgical removal of an intracranial epidermoid cyst.
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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) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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 it