The Coexistence of Psoriasis and Vitiligo: A review
Bibliographic record
Abstract
Background: Psoriasis and vitiligo are both autoimmune diseases with an increased incidence noted in genetic relatives. They share similar trigger factors and have been observed to coexist in individuals. Objective: The purpose was to review the literature on the coexistence of psoriasis and vitiligo and to determine if there is a higher than expected prevalence of psoriasis in patients with vitiligo and vice versa. Methods: A literature review was conducted using Medline, EMBASE, and the Cochrane Library from 1968 to 2010. All articles that included reports of individuals with both psoriasis and vitiligo in the English language were documented. Results: We identified 338 articles, among which 35 case reports and 7 case series were mentioned. For each case series, the prevalence of psoriasis in patients with vitiligo, or vice versa, falls within the prevalence range of the background population on which the study was based. Conclusion: An increase in the expected prevalence of psoriasis in individuals with vitiligo, or vice versa, was not found in our study, suggesting that the coexistence of the two diseases appears to be due to chance alone. Large epidemiologic studies are required to address with certainty whether psoriasis is more common in individuals with vitiligo and vice versa. Renseignements de base: Le psoriasis et le vitiligo sont deux affections auto-immunes qui ont une incidence accrue observée chez les membres de la famille apparentée. Ils partagent des facteurs déclencheurs similaires, et des études ont démontré leur coexistence chez les personnes. Objectif: Le but était de faire une analyse documentaire sur la coexistence du psoriasis et du vitiligo et de déterminer s'il y a une prévalence plus élevée que prévu du psoriasis chez les patients atteints de vitiligo et vice versa. Méthodes: Une analyse documentaire a été effectuée en utilisant Medline, EMBASE, et la Cochrane Library de 1968 à 2010. Tous les articles comportant des rapports sur des personnes souffrant à la fois de psoriasis et de vitiligo rédigés en anglais ont été documentés. Résultats: Nous avons trouvé 338 articles, parmi lesquels 35 exposés de cas et 7 séries de cas ont été mentionnés. Pour chaque série de cas, la prévalence du psoriasis chez les patients atteints de vitiligo, ou vice versa, s'inscrit dans la fourchette de prévalence de la population de base qui a fait l'objet de l'étude. Conclusion: Notre étude n'a pas démontré une augmentation de la prévalence de psoriasis attendue chez les personnes atteintes de vitiligo, ou vice versa, ce qui suggère que la coexistence des deux affections semble être due au seul hasard. D'importantes études épidémiologiques sont nécessaires pour démontrer avec certitude que le psoriasis est plus fréquent chez les personnes atteintes de vitiligo et vice versa.
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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 | 0.002 | 0.007 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.003 | 0.002 |
| Bibliometrics | 0.012 | 0.015 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.002 | 0.003 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.002 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 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".