HighlightsComputed tomography scan is the best test to establish the diagnosis of EG.Early recognition and initiation of therapy is crucial to prevent progression of EG.Surgical exploration is indicated after failure of non-operative management.

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Background The safety and efficacy of laparoscopic sleeve gastrectomy (LSG) and laparoscopic Roux-en-Y gastric bypass (LRYGB) to treat obesity and associated comorbidities, including diabetes mellitus, is well established. As diabetes may add risk to the perioperative period, we sought to characterize perioperative outcomes of these surgical procedures in diabetic patients. Methods Using the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program (MBSAQIP) database, we identified patients who underwent LSG and LRYGB between 2015 and 2017, grouping by non-diabetics (NDM), non-insulindependent diabetics (NIDDM), and insulin-dependent diabetics (IDDM). Primary outcomes included serious adverse events, 30day readmission, 30-day reoperation, and 30-day mortality. Univariate and multivariable analyses were used to evaluate the outcome in each diabetic cohort. Results Multivariable analysis of patients who underwent LSG (with NDM patients as reference) showed higher 30-day mortality (NIDDM AOR = 1.52, p = 0.043; IDDM AOR = 1.91, p = 0.007) and risk of serious adverse events (NIDDM AOR = 1.15, p < 0.001; IDDM AOR = 1.58, p < 0.001) in the diabetic versus NDM groups. Multivariable analysis of patients who underwent LRYGB (with NDM patients as reference) showed higher risk of serious adverse events (NIDDM AOR = 1.09, p = 0.014; IDDM AOR = 1.43, p < 0.001) in the diabetic versus NDM groups. Conclusions Diabetics who underwent LSG and LRYGB had higher rates of several perioperative complications compared with non-diabetics. IDDM had a stronger association with several perioperative complications compared with NIDDM. This increase in morbidity and mortality is modest and should be weighed against the real benefits of bariatric surgery in patient with obesity and diabetes mellitus.

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Background Two conflicting hypotheses as to how breast cancer (BC) accesses the systemic circulation dominated the 20th century and affected surgical treatment. We hypothesized that tumor lymphovascular invasion (LVI) at the primary tumor site favors lymphatic and not blood vessel, capillaries, and systemic metastases (Smets) are dependent upon regional lymph node (RLN) mets. Methods Data from BC patients undergoing RLN biopsy was professionally abstracted and maintained in a prospective, precisely managed, single-institution database. Associations of RLN, LVI, and Smets were estimated by univariate and multivariate backward logistic regression models and patient-affiliated demographic, clinicopathologic, treatment type, and molecular marker data. Results Of 3329 patients, followed 1–22 years (mean 7.8), 463 of 3329 (13.9%) showed LVI, 742 of 3329 (22.3%) had RLN mets, and 262 of 3329 (7.9%) had Smets. Smets occurred in 52 of 252 (21% with LVI+/RLN+); 116 of 2301 (5% with LVI−/RLN−); 65 of 465 (14% with LVI−/RLN+); and 17 of 207 (8% with LVI+/RLN−), p = 0.021 for association between LVI and Smets for RLN+ patients but not for RLN− patients ( p = 0.051). Positive RLN, larger tumor size, and higher grade (all p < 0.001) were predictive of Smets by the multivariable model, whereas positive LVI was not. Conclusions LVI predicts RLN mets in BC. RLN is critical to Smets from BC, whereas LVI on its own is not. Smets occur significantly more commonly when both LVI and RLN mets occur together. LVI is, thus, likely to be primarily lymphatic invasion, and rarely, blood vessel invasion, supporting the Halsted paradigm. LVI and RLN together predict clinical outcome better than either alone. Graphic Abstract

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