Surgical treatment of a canal of Nuck cyst presenting as a femoral hernia
Bibliographic record
Abstract
INTRODUCTION AND IMPORTANCE: A canal of Nuck cyst forms because of a patent peritoneal fold evaginating through the inguinal canal in a female patient. It is a rare diagnosis because the canal often obliterates within the first year of a female patient's life. A persistent canal of Nuck may cause indirect inguinal hernias, or form hydroceles, termed canal of Nuck cysts. Here we report the first case of a canal of Nuck cyst discovered to be evaginating through the femoral canal. CASE PRESENTATION: A 70-year-old female patient initially presented with a symptomatic groin mass, and a suspected inguinal hernia on pre-operative ultrasound. Intraoperatively, she was found to have a canal of Nuck cyst terminating within the femoral canal. This was successfully repaired using a modified McVay approach, and approximation of the internal inguinal ring. She performed well post-operatively with no signs of recurrence at her six-month follow-up. CLINICAL DISCUSSION: This case report serves to highlight the canal of Nuck cyst, a rare embryologic remnant, and the first literature-reported femoral canal of Nuck cyst. We re-affirm the diagnostic unreliability of ultrasound imaging in the workup of groin hernias. Furthermore, we describe surgical techniques to repair a canal of Nuck cyst found within the femoral canal. CONCLUSION: To the best of our knowledge, no prior literature reports a canal of Nuck cyst presenting as a femoral hernia. This rare diagnosis may be encountered in common operations and is amenable to definitive repair using traditional hernia repair techniques.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| 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) | 0.001 | 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 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".