Mehmet Cagri Unal, Furkan Uncuoglu, Gokcen Gungor Semiz, Mehmet Emin Arayici, Serkan Yener, Canan Altay, Baris Akinci
{"title":"Assessment of aortomesenteric distance and mesenteric and retroperitoneal adipose tissue thickness in genetic forms of lipodystrophy.","authors":"Mehmet Cagri Unal, Furkan Uncuoglu, Gokcen Gungor Semiz, Mehmet Emin Arayici, Serkan Yener, Canan Altay, Baris Akinci","doi":"10.1007/s40618-024-02429-9","DOIUrl":"https://doi.org/10.1007/s40618-024-02429-9","url":null,"abstract":"<p><strong>Introduction: </strong>Lipodystrophy is a rare disease characterized by the loss of adipose tissue. Visceral adipose tissue loss in certain forms of lipodystrophy may affect the amount of mesenteric fat.</p><p><strong>Method: </strong>We studied visceral adipose tissue by measuring the thickness of mesenteric and retroperitoneal adipose tissue and the aortomesenteric (AOM) distance in patients with genetic forms of lipodystrophy (n = 48; 7 males; 41 females; mean age 39.1 ± 11.9 years; 19 with congenital generalized lipodystrophy [CGL], and 29 with familial partial lipodystrophy [FPLD]). An age- and gender-matched control group with a ratio of 1:2 was generated.</p><p><strong>Results: </strong>Patients with CGL had severely depleted mesenteric adipose tissue (2.0 [IQR: 1.5-3.5] mm vs. 18.8 [IQR: 4.4-42.2] mm in FPLD, P < .001; 30.3 [IQR: 13.9-46.6] mm in controls, P < .001) and retroperitoneal adipose tissue (1.3 [IQR: 0.0-5.3] mm vs. 33.7 [IQR: 21.6-42.1] mm in FPLD, P < .001; 29.7 [IQR: 23.1-36.7] mm in controls, P < .001). The AOM distance was shorter in patients with CGL (8.1 [IQR: 6.0-10.8] mm) compared to patients with FPLD (vs. 13.0 [IQR: 8.8-18.1] mm; P = .023) and controls (vs. 11.3 [IQR: 8.4-15.5] mm, P = .016). Leptin levels were positively correlated with AOM distance in lipodystrophy (r = .513, P < .001). Multivariate linear regression analysis identified body mass index as a significant predictor of AOM distance (data controlled for age and sex; beta = 0.537, 95% CI: 0.277-0.798, P < .001). Twelve of 19 patients (63%) with CGL had an AOM distance of < 10 mm, a risk factor that may predispose patients to developing superior mesenteric artery syndrome.</p><p><strong>Conclusion: </strong>CGL is associated with a severe loss of mesenteric adipose tissue, which leads to a narrowing of the space between the superior mesenteric artery and the aorta.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142330480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Increased risk of erythrocytosis in men with type 2 diabetes treated with combined sodium-glucose cotransporter-2 inhibitor and testosterone replacement therapy.","authors":"A R Gosmanov, D E Gemoets, K A Schumacher","doi":"10.1007/s40618-024-02350-1","DOIUrl":"10.1007/s40618-024-02350-1","url":null,"abstract":"<p><strong>Purpose: </strong>In clinical trials, sodium-glucose cotransporter-2 inhibitors (SGLT-2i) and testosterone replacement therapy (TRT) were shown to stimulate red blood cell production. Little is known if combination therapy poses risk of erythrocytosis in real world clinical practice.</p><p><strong>Methods: </strong>This was a retrospective nationwide cohort study of US Veterans with type 2 diabetes (T2D) and baseline hematocrit between 38 and 50% who were prescribed SGLT-2i and/or TRT between 3/2013 and 10/2022 and had adequate adherence based on the proportion of days covered > 80%. Patients were divided into 3 groups: SGLT-2i only, TRT only, or combination therapy. Odds Ratio (OR) of new erythrocytosis defined as hematocrit level > 54% within 365 days of therapy initiation was calculated by logistic regression model adjusted for baseline hematocrit, age, BMI, obstructive sleep apnea, diuretic use, and smoking status.</p><p><strong>Results: </strong>Of the entire cohort of 53,971 people with T2D, total of 756 (1.4%) patients developed erythrocytosis. In unadjusted analyses, the OR of new onset erythrocytosis was higher in the combined SGLT-2i and TRT group compared with the SGLT-2i or TRT group alone (4.99, 95% CI (3.10-7.71) and 2.91, 95% CI (1.87-4.31), respectively). In the models adjusted for baseline characteristics, patients on combination therapy had significantly higher odds of erythrocytosis compared to those on SGLT-2i (OR 3.80, 95% CI (2.27-6.11)) or TRT alone (OR 2.49, 95% CI (1.51-3.59)). Testosterone delivery route (topical vs injectable) did not modify increased odds of erythrocytosis.</p><p><strong>Conclusions: </strong>For the first time, we demonstrated that in large cohort of patients combined therapy with SGLT-2i and TRT is associated with increased erythrocytosis risk compared with either treatment alone. Given rising prevalence of SGLT-2i use, providers should consider periodic hematocrit assessment in persons receiving both SGLT-2i and TRT.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":"2615-2621"},"PeriodicalIF":5.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140307416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Valentina Guarnotta, Carla Giordano, Giuseppe Reimondo
{"title":"Who and how to screen for endogenous hypercortisolism in type 2 diabetes mellitus or obesity.","authors":"Valentina Guarnotta, Carla Giordano, Giuseppe Reimondo","doi":"10.1007/s40618-024-02455-7","DOIUrl":"10.1007/s40618-024-02455-7","url":null,"abstract":"<p><strong>Purpose: </strong>The current review aims to summarize and discuss the prevalence of confirmed hypercortisolism in patients with diabetes mellitus or obesity, analysing the screening tests used and their accuracy, in order to better identify whether patients with diabetes mellitus and obesity should be screened for Cushing's syndrome (CS) and how.</p><p><strong>Methods: </strong>A narrative review was performed including publications focusing on the current knowledge on prevalence of confirmed hypercortisolism in patients with type 2 diabetes mellitus (T2DM) or obesity and on screening tests used to detect CS.</p><p><strong>Results: </strong>The studies reviewed suggest that the prevalence of CS in patients with T2DM is variable, ranging from 0.6 to 9.3%. The most used screening test is the overnight cortisol after 1 mg of dexamethasone suppression test (DST), with a false positive rate ranging from 3.7 to 21%. The prevalence of CS among obese patients is generally about 1%, except for two studies which reported higher prevalence. For obese patients, 1 mg DST and late-night salivary cortisol are the most accurate screening tests for CS.</p><p><strong>Conclusions: </strong>Clinical expertise remains the mainstay to identify which subjects should be screened for CS. The evaluation of the clinical stigmata of CS and the combination with clinical comorbidities typical of CS are the stronger predictors of CS. In addition, we could hypothesize that in patients with T2DM, overnight 1 mg DST is the more accurate screening test for CS. By contrast, in patients with obesity both LNSC and overnight 1 mg DST could be equally used for the screening of hypercortisolism.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142330492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S Zúnica-García, J J Blanquer-Gregori, R Sánchez-Ortiga, M I Jiménez-Trujillo, E Chicharro-Luna
{"title":"Relationship between diabetic peripheral neuropathy and adherence to the Mediterranean diet in patients with type 2 diabetes mellitus: an observational study.","authors":"S Zúnica-García, J J Blanquer-Gregori, R Sánchez-Ortiga, M I Jiménez-Trujillo, E Chicharro-Luna","doi":"10.1007/s40618-024-02341-2","DOIUrl":"10.1007/s40618-024-02341-2","url":null,"abstract":"<p><strong>Purpose: </strong>The main study goal is to assess the relationship between adherence to the mediterranean diet (MD) and the presence of diabetic peripheral neuropathy (DPN) in patients with type 2 diabetes mellitus (T2DM).</p><p><strong>Methods: </strong>Observational pilot study of 174 patients diagnosed with T2DM. Sociodemographic and anthropometric variables, physical activity, smoking habits, blood biochemical parameters and comorbidities were recorded. The presence of alterations in sensitivity to pressure, pain, thermal and vibration was explored. Good MD adherence was a score ≥ 9 the 14-point MD adherence questionnaire (MEDAS-14).</p><p><strong>Results: </strong>The study population consisted of 174 patients (61.5% men and 38.5% women), with a mean age of 69.56 ± 8.86 years; 19% of these patients adhered to the MD. The score obtained in the MEDAS-14 was higher in patients who did not present alterations in sensitivity to pressure (p = 0.047) or vibration (p = 0.021). The patients without diabetic peripheral neuropathy were more likely to comply with the MD and had a higher score on the MEDAS-14 (p = 0.047). However, multivariate analysis showed that only altered sensitivity to pressure was associated with adherence to the MD (altered sensitivity OR = 2.9; 95%CI 1.02-8.22; p = 0.045).</p><p><strong>Conclusions: </strong>Although the patients with DPN had lower scores on the MEDAS questionnaire and therefore poorer adherence to the mediterranean diet, the only parameter significantly associated with the MD was that of sensitivity to pressure (monofilament test).</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":"2603-2613"},"PeriodicalIF":5.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11393014/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140159341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"JPT2 in subclinical hypothyroidism-related miscarriage as a transcription co-factor: involvement of LEPR/STAT3 activation.","authors":"Y-Y Zhou, S-Y Zhao, F-J Huang, L-J Zhang, Y-L Liu, J Wang, X-J Ma","doi":"10.1007/s40618-024-02343-0","DOIUrl":"10.1007/s40618-024-02343-0","url":null,"abstract":"<p><strong>Background and purpose: </strong>Subclinical hypothyroidism (SCH) has been identified to be associated with implantation failure, in which the dysfunction of trophoblast cells is involved. In this study, the transcriptomics of aborted placenta from SCH rats were analyzed. Jupiter microtubule-associated homolog 2 (JPT2) was downregulated in the aborted placenta. This study aims to investigate its role in SCH-associated miscarriage.</p><p><strong>Methods: </strong>Spontaneous abortion was observed in SCH rats generated by thyroidectomy combined with levothyroxine administration. The transcriptomics analysis was performed using aborted placenta. Afterward, the effects of JPT2 on trophoblast cells were explored using gain-and loss-of-function experiments.</p><p><strong>Results: </strong>Transcriptomics analysis showed 1286 downregulated genes and 2300 upregulated genes in the aborted placenta, and JPT2 was significantly downregulated in the aborted placenta from SCH rats. Afterward, gain-and loss-of-function experiments exhibited that overexpression of JPT2 promoted the proliferation, migration, invasion, spheroid formation of HTR-8/SVneo trophoblast cells and their attachment to endometrial stromal cells, while these biological behaviors were suppressed by JPT2 knockdown. Furthermore, JPT2 accelerated the transcription of leptin receptor (LEPR), and activated signal transducer and activator of transcription 3 (STAT3) signal in a transcription factor AP-2γ-dependent manner. In addition, silencing of LEPR abolished the role of JPT2.</p><p><strong>Conclusion: </strong>Our results revealed that JPT2, which was downregulated in the aborted placenta from SCH rats, promoted proliferation, migration, invasion, spheroid formation, and attachment of trophoblast cells via regulating LEPR/STAT3 axis as a transcription co-factor. It is indicated that low expression of JPT2 may contribute to the abortion in individuals with SCH.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":"2521-2537"},"PeriodicalIF":5.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141441014","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Giovanni Luca Gravina, Eugenia Guida, Maria Dri, Renato Massoud, Savino M Di Stasi, Giorgio Fucci, Andrea Sansone, Susanna Dolci, Emmanuele A Jannini
{"title":"Measurement of PDE5 concentration in human serum: proof-of-concept and validation of methodology in control and prostate cancer patients.","authors":"Giovanni Luca Gravina, Eugenia Guida, Maria Dri, Renato Massoud, Savino M Di Stasi, Giorgio Fucci, Andrea Sansone, Susanna Dolci, Emmanuele A Jannini","doi":"10.1007/s40618-024-02428-w","DOIUrl":"https://doi.org/10.1007/s40618-024-02428-w","url":null,"abstract":"<p><strong>Purpose: </strong>We aimed to investigate if the type 5 phosphodiesterase (PDE5), an enzyme with cardinal biological functions in sexual and cardiovascular health, can be detected and quantited in human serum.</p><p><strong>Methods: </strong>Blood samples were collected from control male and female subjects. PDE5 levels were measured by a specific ELISA kit. ROC curves weighted for age and serum levels of PSA (male subjects), or age (female subjects) were used to identify the predictive ability in the detection of PCa. Sensitivity, specificity, PPV and NPV values were determined for cut-off value determined during ROC curve analysis.</p><p><strong>Results: </strong>41 control male subjects, 18 control female subjects, and 55 consecutive subjects, of which 25 were affected by benign prostatic hypertrophy (BPH) and 30 with histologically confirmed prostate cancer (PCa), were studied. PDE5 serum levels were detectable in all subjects (range: 5 to 65 ng/ml). Analysis by MANCOVA identified a significant difference in serum PDE5 between control subjects or hyperplasia patients and PCa patients. Marginal means of serum PDE5 concentrations showed a significant difference (p < 0.001). The ROC curve demonstrated that PDE5 serum levels can predict men with or without PCa, with 0.806 AUC value (p < 0.0001). Using a 12.705 ng/ml PDE5 serum cut-off yielded sensitivity, specificity, PPV, and NPV of 83.3%, 77.27%, 62.5%, and 91.1% in detecting men with histologically proven PCa, respectively.</p><p><strong>Conclusions: </strong>We demonstrated, for the first time, that PDE5 levels can be detected in human sera and that PCa patients have significantly higher PDE5 concentration compared to BPH patients or male and female controls. While serum PDE5 level measurement may open new research avenues, the clinical relevance of PDE5 levels in PCa patients deserves further investigation.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142330487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Who and how to screen for endogenous hypercortisolism in a high-risk population: a special issue of the journal of endocrinological investigations.","authors":"Filippo Ceccato, Massimo Terzolo, Carla Scaroni","doi":"10.1007/s40618-024-02449-5","DOIUrl":"https://doi.org/10.1007/s40618-024-02449-5","url":null,"abstract":"","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142330491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mattia Barbot, Martina Lazzara, Pierluigi Mazzeo, Francesca Pecori Giraldi
{"title":"Unusual infections and thrombotic events in Cushing's syndrome.","authors":"Mattia Barbot, Martina Lazzara, Pierluigi Mazzeo, Francesca Pecori Giraldi","doi":"10.1007/s40618-024-02454-8","DOIUrl":"10.1007/s40618-024-02454-8","url":null,"abstract":"<p><p>The diagnosis of Cushing's syndrome requires a high degree of suspicion, especially in patients in whom typical features are overshadowed by other ailments. These include, among others, widespread opportunistic infections or sepsis and venous or arterial thromboembolism.This Review will summarize available data on patients presenting with severe infections or thrombotic events and the best approach to diagnosis.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":""},"PeriodicalIF":5.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142330490","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
V Cimolin, C Premoli, G Bernardelli, E Amenta, M Galli, L Donno, D Lucini, L M Fatti, B Cangiano, L Persani, G Vitale
{"title":"ACROMORFO study: gait analysis in a cohort of acromegalic patients.","authors":"V Cimolin, C Premoli, G Bernardelli, E Amenta, M Galli, L Donno, D Lucini, L M Fatti, B Cangiano, L Persani, G Vitale","doi":"10.1007/s40618-024-02340-3","DOIUrl":"10.1007/s40618-024-02340-3","url":null,"abstract":"<p><strong>Purpose: </strong>In acromegaly, skeletal complications resulted to be associated with low quality of life (QoL) and high risk of falls. The aim of the present study was to perform a quantitative assessment of movement through gait analysis technique in patients with acromegaly.</p><p><strong>Study population: </strong>Thirty-three acromegalic patients [9 with active disease (AD), 14 with controlled disease (CD) and 10 with disease remission (RD)] and 20 healthy subjects were enrolled for the study.</p><p><strong>Measurements: </strong>Kinetic and kinematic data were collected with 3D-gait analysis. Kinematic data were processed to compute the Gait Profile Score (GPS), a parameter that summarizes the overall deviation of kinematic gait data relative to unaffected population.</p><p><strong>Results: </strong>The acromegalic group showed longer stance phase duration (p < 0.0001) compared to controls. The GPS and several gait variable scores resulted to be statistically higher in the acromegalic group compared to healthy controls. GPS values were significantly higher in AD compared to CD (p < 0.05) and RD groups (p = 0.001). The AD group presented significantly higher values in terms of hip rotation and ankle dorsiflexion compared to CD and RD groups and with regard to the foot progression compared to RD. Interestingly, patients with RD exhibited a more physiological gait pattern.</p><p><strong>Conclusion: </strong>Acromegalic patients showed quantitative alterations of gait pattern, suggesting instability and increased risk of falls. Arthropathy, along with its associated abnormal joint loading, proprioceptive impairment and hyperkyphosis could be contributing factors. Disease control and remission appear to improve postural balance. A better knowledge on walking performance in acromegaly would help to develop specific rehabilitation programmes to reduce falls' risk and improve QoL.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":"2469-2476"},"PeriodicalIF":5.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11393285/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139984251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
A La Salvia, B Marcozzi, C Manai, R Mazzilli, L Landi, M Pallocca, G Ciliberto, F Cappuzzo, A Faggiano
{"title":"Rachel score: a nomogram model for predicting the prognosis of lung neuroendocrine tumors.","authors":"A La Salvia, B Marcozzi, C Manai, R Mazzilli, L Landi, M Pallocca, G Ciliberto, F Cappuzzo, A Faggiano","doi":"10.1007/s40618-024-02346-x","DOIUrl":"10.1007/s40618-024-02346-x","url":null,"abstract":"<p><strong>Background: </strong>Lung NET, classified in typical carcinoids (TC) and atypical carcinoids (AC), are highly heterogeneous in their biology and prognosis. The histological subtype and TNM stage are well-established prognostic factors for lung NET. In a previous work by our group, we demonstrated a significant impact of laterality on lung NET survival outcomes.</p><p><strong>Materials and methods: </strong>We developed a nomogram that integrates relevant prognostic factors to predict lung NET outcomes. By adding the scores for each of the variables included in the model, it was possible to obtain a prognostic score (Rachel score). Wilcoxon non-parametric statistical test was applied among parameters and Harrell's concordance index was used to measure the models' predictive power. To test the discriminatory power and the predictive accuracy of the model, we calculated Gonen and Heller concordance index. Time-dependent ROC curves and their area under the curve (AUC) were used to evaluate the models' predictive performance.</p><p><strong>Results: </strong>By applying Rachel score, we were able to identify three prognostic groups (specifically, high, medium and low risk). These three groups were associate to well-defined ranges of points according to the obtained nomogram (I: 0-90, II: 91-130; III: > 130 points), providing a useful tool for prognostic stratification. The overall survival (OS) and progression free survival (PFS) Kaplan-Meier curves confirmed significant differences (p < 0.0001) among the three groups identified by Rachel score.</p><p><strong>Conclusions: </strong>A prognostic nomogram was developed, incorporating variables with significant impact on lung NET survival. The nomogram showed a satisfactory and stable ability to predict OS and PFS in this population, confirming the heterogeneity beyond the histopathological diagnosis of TC vs AC.</p>","PeriodicalId":48802,"journal":{"name":"Journal of Endocrinological Investigation","volume":" ","pages":"2575-2586"},"PeriodicalIF":5.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140194869","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}