Mikhael Belkovsky

Mikhael Belkovsky
University of Massachusetts Chan Medical School | UMMS · Department of Surgery

Doctor of Medicine

About

25
Publications
611
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16
Citations

Publications

Publications (25)
Article
The nonoperative management of rectal cancer, known as watch and wait (W&W), has gained increasing acceptance in recent years. This approach is based on using complete clinical response (cCR) as a marker for complete pathological response (pCR) following neoadjuvant chemoradiation (nCRT). Advances in nCRT regimens have resulted in higher tumor regr...
Article
Guidelines recommend individualized decision making for screening colonoscopy for colorectal cancer (CRC) in patients after the age of 75 years due to low additional benefits. That should be taken with a grain of salt, as these recommendations are based on expert opinion and simulation models which do not consider (1) the differences in pathogenesi...
Article
Introduction: The incidence of early-onset colorectal cancer (EOCRC), defined as a colorectal cancer diagnosis before the age of 50, is rising globally at an alarming rate for unknown reasons. EOCRC patients are more likely to present with advanced or metastatic disease. While younger patients are often able to tolerate more aggressive treatment re...
Article
Background Non-conventional strictureplasties, specifically the Finney and Michelassi techniques, are bowel-preserving surgeries for treating diffuse jejunoileal Crohn's Disease (CD). We investigated the use of biologics during non-conventional strictureplasty for Crohn's jejunoileitis and the association with short- and long-term outcomes. Method...
Article
Background Restorative proctocolectomy with ileal pouch-anal anastomosis (IPAA) is the preferred surgical treatment for patients with IBD or FAP. As these diseases often manifest during adolescence or early adulthood, treatment effects on genitourinary function (GU) and sexual function are of paramount importance. However, the reoperative IPAA (R-I...
Article
Background Restorative proctocolectomy with ileal pouch-anal anastomosis (IPAA) is the preferred surgical treatment for IBD or FAP. As these diseases often manifest during adolescence or early adulthood, treatment effects on genitourinary function (GU), sexual function, and fertility are clinically important. However, the difference in male GU func...
Article
Background Herein, we present a proof-of-concept study of three-dimensional [3D] pouchography using virtual and printed 3D models of ileal pouch-anal anastomosis [IPAA] in patients with normal pouches and in cases of mechanical pouch complications. Methods We performed a retrospective, descriptive case series of a convenience sample of 10 pouch pa...
Article
Full-text available
Flexible ureterolithotripsy is a frequent urological procedure, usually used to remove stones from the kidney and upper ureter. Reusable uretero-scopes were the standard tool for that procedure, but recent concerns related to sterility and maintenance and repair costs created the opportunity to develop new technologies. In 2016, the first single-us...
Article
Introduction: Percutaneous nephrolithotomy (PCNL) is considered the gold standard treatment for kidney stones greater than 20 mm. However, retrograde intrarenal surgery (RIRS) may achieve the same stone-free rate with repeated procedures, and potentially fewer complications. This study aimed to compare the efficacy and safety of PCNL and two-stage...
Article
Background Non-conventional strictureplasties, specifically the Finney and Michelassi technique, are bowel-preserving surgical techniques for diffuse jejunoileal Crohn’s Disease (CD). We investigated the association of biologic use during non-conventional strictureplasty for Crohn's jejunoileitis and its short- and long-term outcomes. Methods We c...
Article
Full-text available
Purpose: Medical expulsive therapy (MET) is recommended for distal ureteral stones from 5 to 10 mm. The best drug for MET is still uncertain. In this review, we aim to compare the effectiveness of tadalafil and tamsulosin for distal ureteral stones from 5 to 10 mm in terms of stone expulsion rate (SER), stone expulsion time (SET) and the side effe...
Article
Full-text available
Purpose Ureteral access sheaths (UAS) are widely used in ureteroscopy. UAS are believed to pose a significant risk for ureteral stenosis due to ureteral mucosal compression, but little evidence supports this claim. Our systematic review aimed to investigate the relationship between different UAS diameters and stenosis risk. Methods A systematic se...
Preprint
Full-text available
“Street medicine” offers a complementary approach for marginalized population’s challenges, usually out of reach by the tradition health system. Our purpose is to describe the sociodemographic profile and the health-related challenges of patients served by a “street medicine” NGO. We analyzed retrospectively the patient cohort (2,226 patients) atte...
Article
Full-text available
Introduction flexible ureteroscopy is a minimally invasive surgical technique used for the treatment of renal lithiasis. Postoperative urosepsis is a rare but potentially fatal complication. Traditional models used to predict the risk of this condition have limited accuracy, while models based on artificial intelligence are more promising. The obje...
Article
Full-text available
Introduction flexible ureteroscopy is a minimally invasive surgical technique used for the treatment of renal lithiasis. Postoperative urosepsis is a rare but potentially fatal complication. Traditional models used to predict the risk of this condition have limited accuracy, while models based on artificial intelligence are more promising. The obje...
Article
Full-text available
Varicocele occurs in 15% of general male population and in 35% of infertile men. Since 1992, surgical correction with laparoscopic varicocelectomy is the gold standard for treatment of symptomatic patients or patients with abnormal seminal analysis. The learning curve for this frequently performed procedure has not yet been described. In the presen...
Article
Full-text available
Varicocele occurs in 15% of general male population and in 35% of infertile men. Since 1992, surgical correction with laparoscopic varicocelectomy is the gold standard for treatment of symptomatic patients or patients with abnormal seminal analysis. The learning curve for this frequently performed procedure has not yet been described. In the presen...
Article
Full-text available
Introduction Inguinal hernia and varicocele are common conditions in male population. Laparoscopy brings the opportunity to treat them simultaneously, through the same incision. However, there are different opinions about the risks for testicular perfusion of multiple procedures in the inguinal region. In this study, we assessed the feasibility of...
Article
Full-text available
Introduction Inguinal hernia and varicocele are common conditions in male population. Laparoscopy brings the opportunity to treat them simultaneously, through the same incision. However, there are different opinions about the risks for testicular perfusion of multiple procedures in the inguinal region. In this study, we assessed the feasibility of...
Article
Full-text available
OBJETIVO: Descrever dimensões e prevalência da Aderência Intertalâmica (AI) em cadáveres do Serviço de Verificação de Óbitos da Capital - USP, considerando idade, sexo, peso, altura e histórico pessoal de doença de Alzheimer (DA). MÉTODOS: Cinquenta e sete cadáveres (31H/26M) foram incluídos no estudo, com média de idade de 66,2 anos (variando entr...

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