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Patients increasingly use generative artificial intelligence assistants (chatbots) for medical information. We examined surgeon-perceived accuracy, reliability, and readability of chatbot responses to adrenal nodule queries. Six commonly asked adrenal nodule questions were input into five chatbots. Blinded answers were reviewed by 10 endocrine surgeons for correctness and reliability (6-point Likert scale) and content structure (3-point Likert scale). One-way ANOVAs and Tukey adjusted post hoc analyses tested differences. Inter-rater reliability across surgeon ratings was assessed by two-way intraclass correlation coefficient. Reading grade levels were assessed using Lexile Text Analyzer (MetaMetrics, Inc). Correctness, reliability, and jargon use differed significantly (p ≤ 0.05). Perplexity scored highest for correctness, reliability, and thoroughness but used the most jargon. Gemini scored lowest on all domains, but used the least jargon. Mean Lexile reading level was 8th-10th grade. Chatbot responses about adrenal nodules vary significantly. More accurate, reliable, and thorough answers contained excess jargon, but all responses exceeded recommended patient education levels. •Generative AI responses to adrenal nodule questions vary significantly in accuracy and jargon use.•Chatbot answers are written above recommended patient education levels, limiting accessibility.•More accurate and readable adrenal nodule patient education materials are needed to close the gap.

Background Secondary adrenal insufficiency (SAI) may occur in patients after unilateral adrenalectomy for adrenal-dependent hypercortisolism (HC) or primary aldosteronism (PA). This study aimed to assess whether postoperative day (POD) 1 basal cortisol was predictive of an abnormal cosyntropin stimulation test (CST) result and the need for glucocorticoid replacement (GR). Methods A retrospective review of consecutive patients who underwent unilateral adrenalectomy for HC, PA, or both between September 2014 and September 2022 was performed. On POD1, CST was performed for all the patients with HC, and before 2021 for all the patients with PA. The patients with an abnormal CST result were deemed at risk of SAI and discharged with GR. Receiver operating characteristic (ROC) curves were generated to evaluate the sensitivity (SN) and specificity (SP) of basal cortisol thresholds to predict an abnormal CST result. Results The patients underwent unilateral adrenalectomy for overt hypercortisolism (OH; n  = 42), mild autonomous cortisol excess (MACE; n  = 70), mixed PA/HC ( n  = 22), or PA ( n  = 73). On POD1, CST was performed for 152 patients (93% OH, 96% MACE,73% PA/HC, 41% PA), and 80 patients (53%) had SAI (67% OH, 55% MACE, 44% PA/HC, 33% PA). The SN and SP of a basal cortisol level of 10 µg/dL or lower to predict an abnormal CST were respectively 92% and 77% for OH, 94% and 73% for MACE, 100% and 85% for PA, and 100% and 67% for PA/HC. The optimal basal cortisol level for predicting an abnormal CST for patients with PA or PA/HC was 5 µg/dL or lower (SN/SP, 100%). Conclusions After unilateral adrenalectomy for HC, PA, or mixed PA/HC, POD1 CST improved identification of patients at risk for SAI compared with basal cortisol levels alone. The authors recommend that POD1 CST be performed to determine the risk for SAI and the need for postoperative GR after unilateral adrenalectomy for patients with HC.

Literature suggests patients with thyroid cancer have unmet informational needs in many aspects of care. Patients often turn to online resources for their health-related information, and generative artificial intelligence programs such as ChatGPT are an emerging and attractive resource for patients. To assess the quality of ChatGPT's responses to thyroid cancer-related questions. Four endocrinologists and 4 endocrine surgeons, all with expertise in thyroid cancer, evaluated the responses to 20 thyroid cancer-related questions. Responses were scored on a 7-point Likert scale in areas of accuracy, completeness, and overall satisfaction. Comments from the evaluators were aggregated and a qualitative analysis was performed. Overall, only 57%, 56%, and 52% of the responses \"agreed\" or \"strongly agreed\" that ChatGPT's answers were accurate, complete, and satisfactory, respectively. One hundred ninety-eight free-text comments were included in the qualitative analysis. The majority of comments were critical in nature. Several themes emerged, which included overemphasis of diet and iodine intake and its role in thyroid cancer, and incomplete or inaccurate information on risks of both thyroid surgery and radioactive iodine therapy. Our study suggests that ChatGPT is not accurate or reliable enough at this time for unsupervised use as a patient information tool for thyroid cancer.

Background: Secondary adrenal insufficiency (AI) can develop following unilateral adrenalectomy (UA) foradrenal-dependent hypercortisolism (HC) and has been reported after UA for primaryaldosteronism (PA). An institutional study previously demonstrated that cosyntropin stimulationtesting on postoperative day 1 (POD1-CST) successfully identified patients who requiredglucocorticoid replacement (GR) following UA; 50% of HC patients required GR and no PApatients required GR. The aim of this study was to reevaluate the need for GR following UA forpatients with HC and PA in a larger cohort of patients. Methods We reviewed 108 patients from a prospectively maintained adrenal database who underwent UAfor HC (n=74), PA (n=22), and concurrent HC/PA (n=12) from 9/2014-10/2020. PA patientswithout preoperative evaluation for HC were excluded. Patients with 1mg dexamethasonesuppression test (DST) cortisol >1.8 (µg/dL) were defined as having mild HC, with ³5 defined asovert Cushing’s Syndrome (CS). All patients underwent our institutional POD1-CST protocoland GR was initiated for patients with basal cortisol £5 or stimulated cortisol £14 (<18 prior to4/2017). Results: Overall, 51 (47%) patients had an abnormal POD1-CST and were discharged on GR (44 HC, 1PA, and 6 HC/PA). Two (2%) patients with CS had a normal POD1-CST but developed AIrequiring GR at 8 and 12 weeks post UA. Of the 74 patients with HC, 44 (59%) had an abnormalPOD1-CST and were discharged on GR, including 19/28 (68%) with CS and 25/46 (54%) withmild HC. Preoperative DST cortisol was higher in HC patients who required GR compared topatients with a normal POD1-CST (4.1 vs 3.6; p=0.007). Median cortisol levels for HC patientswith an abnormal POD1-CST vs those with a normal test were: basal: 3.8 vs 15.6 (p=0.027); 30-minute: 10.1 vs 20.1 (p=0.403); and 60-minute 11.4 vs 22.2 (p=0.260). Of the 22 PA patients, 19(86%) had a normal POD1-CST. Median cortisol levels for PA patients with an abnormal POD1-CST vs those with a normal test were: basal: 0.4 vs 12.1; 30-minute: 8.8 vs 24.6; and 60-minute:12.2 vs 28.9. Of the 3 (14%) PA patients with an abnormal POD1-CST, 1 was dischargedwith GR and began tapering after 2 weeks; the other 2 did not require GR and did not developAI. Of the 12 patients with combined PA/HC, 6 (50%) were discharged on GR based on POD1-CST. GR was required by 30 (59%) patients for <3 months and 82% for <12 months; 7/9 whorequired GR >12 months had CS. Conclusions: Using a standard protocol for POD1-CST in patients who underwent unilateral adrenalectomyfor HC, PA, or combined PA/HC, this study demonstrated that routine GR is not required in 32%of patients with CS and 46% of patients with mild HC. POD1-CST safely identifies patients whowill require GR with no immediate concern for adrenal insufficiency. These data also suggestthat routine evaluation for AI in postoperative PA patients is not needed if cortisol excess hasbeen excluded preoperatively.