ArticleJournal of neuro-oncology2026
Racial and ethnic differences in presentation and postoperative recovery after transsphenoidal surgery for cushing disease.
Article in Journal of neuro-oncology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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13 authors.
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Abstract
purposeThis study aimed to determine where along the surgical care pathway race- and ethnicity-associated differences emerge after primary transsphenoidal surgery (TSS) for Cushing's disease (CD).
methodsSingle-center retrospective cohort of 104 adults undergoing primary TSS for pathologically confirmed CD (2013-2024): 44 White non-Hispanic (WnH), 44 Hispanic, and 16 Black. Preoperative phenotype, perioperative complications, biochemical remission, radiographic persistence, and reintervention were compared across groups using unweighted statistics (Kruskal-Wallis, chi-square or Fisher's exact tests). Sensitivity analysis used inverse probability of treatment weighting (IPTW) with a multinomial propensity model; Black subgroup comparisons were considered exploratory.
resultsHispanic patients lived closer to the center (p = 0.003) and presented with milder disease. Black patients were younger (p = 0.003), with higher BMI (p = 0.033) and near-uniformly solid tumors (94%; p = 0.040). Postoperative arginine vasopressin deficiency was less frequent in Hispanic than WnH patients (25% vs. 55%; p = 0.005). Durable remission rates were comparable (WnH 79%, Hispanic 81%, Black 88%), though Black patients had higher day-1 cortisol and delayed remission on IPTW sensitivity, higher radiographic persistence (38% vs. 21%), and higher crude reintervention (25% vs. 4.5%; p = 0.036). On exploratory IPTW analysis, Hispanic patients also showed shorter reintervention-free survival despite favorable baseline features (IPTW HR 4.20; p = 0.036), a signal not apparent in unadjusted analysis.
conclusionRace- and ethnicity-associated differences emerged mainly at baseline presentation and in postoperative trajectory, whereas durable biochemical remission converged across groups; Black subgroup analyses were limited by small sample size and residual imbalance after weighting. These hypothesis-generating findings support postoperative surveillance tailored to where differences emerge rather than to ultimate remission and require validation in larger multicenter cohorts.
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