Squamous Cell Carcinoma in Recessive Dystrophic Epidermolysis Bullosa, Presenting as an Ulcer That Appears to Be Filled with Granulation Tissue
Bibliographic record
Abstract
Background: Cutaneous squamous cell carcinoma (SCCA) is an important cause of death in patients with the severe form of recessive dystrophic epidermolysis bullosa (RDEB). These cancers often present with features that are different from those of actinically induced SCCA. Objective: To emphasize the unusual features with which SCCA can present in RDEB and discuss early recognition of such cancers. Methods: We present the case of a patient with RDEB who developed a cutaneous ulcer that appeared to be filled with heaped-up granulation tissue. Biopsy, however, showed moderately differentiated squamous cell carcinoma. Results: The patient underwent wide surgical excision of the cancer, with split-thickness skin graft. She has remained disease-free three years later. Conclusion: In patients with RDEB, any ulcer that appears to be filled with heaped-up granulation tissue should be biopsied to rule out SCCA.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 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".