Novel use of polymethyl methacrylate (<scp>PMMA</scp>) microspheres in the treatment of infraorbital rhytids
Why this work is in the frame
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Bibliographic record
Abstract
AIM: To demonstrate safely with the use of polymethyl methacrylate (PMMA) microspheres in the infraorbital eyelid area using a deliberate conservative injection in the treatment of rhytids. METHODS: A retrospective case series of 289 patients in an outpatient cosmetic dermatology clinic evaluated and treated by one senior provider (NM) of infraorbital rhytids with PMMA from December 2010 to March 2011. Statistical analysis was performed for race, skin type, history of hypertrophic scar, autoimmunity, history of "sensitive skin" and history of prior procedures such as prior facelift, rhinoplasty, and blepharoplasty. RESULTS: Two hundred ninety-one patients underwent at least 1-6 injections of PMMA microspheres into bilateral under eye area. Early complications were edema and ecchymosis. Late complications were identified in 4 of 289 patients who developed small granulomas. All patients who developed granulomas had had a previous lower blepharoplasty (P = 0.00). A history of "sensitive skin" was approaching statistical significance (P = 0.15). CONCLUSION: This study has shown that PMMA microsphere injection is a safe subdermal technique in the correction of infraorbital rhytids. Safety was demonstrated in 289 patients with only 4 minor complications of small lateral granuloma which all resolved within 4 weeks after intralesion triamcinolone injection. However, this is an off-label use of a permanent filler not approved for use in the infraorbits and significant caution must be taken with full disclosure to the patient leading to informed consent. Caution in PMMA microsphere injection should be given in the patient with prior blepharoplasty. The advantage of PMMA microsphere is that the result seems to be predictable and natural.
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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 | 0.001 |
| 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