Publications by authors named "Leilei Xia"

In recent decades, serum tumor markers (STMs) have emerged as valuable adjuncts in early cancer detection and post-treatment surveillance. STMs are inexpensive, minimally invasive, and readily accessible tools that can be used to diagnose cancers, monitor patients' responses to treatment, and even detect recurrence without imposing additional burdens on patients. Emerging evidence has demonstrated the reliability of STMs in the prognostication of bladder cancer (BC).

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Purpose Of Review: Several novel therapies approved by the Food and Drug Administration (FDA) and explosion of clinical trials have changed the landscape Bacillus Calmette-Guérin (BCG)-unresponsive nonmuscle invasive bladder cancer (NMIBC). Given the recent advancements in bladder sparing options, the role of radical cystectomy (RC) in BCG-unresponsive NMIBC remains a subject of debate.

Recent Findings: All three novel agents currently approved by the FDA for BCG-unresponsive NMIBC have strict indication [carcinoma in situ (CIS)], low response rate, and short response duration.

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The contemporary paradigm of testicular cancer management is achieving high and durable cure rates while minimizing the burden of treatment given the potential long-term toxicities associated with radiation therapy and systemic therapies. The management of low-stage seminoma has seen significant changes in recent years. Nuances of surveillance strategies for stage I seminoma exist and continue to evolve.

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Purpose: Mohs micrographic surgery (MMS) is a low-risk penile cancer management option. However, contemporary patients' short-term oncologic control and preoperative characteristics predicting reconstruction needs are undefined. This study assesses MMS's oncologic efficacy for low-risk penile cancer and identifies baseline predictors of post-resection reconstruction referral.

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Objective: To compare survival and pathologic outcomes in patients with progressive muscle-invasive bladder cancer (pgMIBC) and de novo muscle-invasive bladder cancer (dnMIBC) after radical cystectomy (RC), with a focus on the role of neoadjuvant chemotherapy (NAC).

Methods: A comprehensive literature search was conducted on PubMed and EMBASE databases to identify studies comparing pgMIBC to dnMIBC. Survival outcomes, including cancer-specific survival (CSS), overall survival (OS), and recurrence-free survival (RFS), and pathologic outcomes (rates of ≤pT1, pT0, pT3/T4, and pN+ disease) were compared between pgMIBC and dnMIBC.

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The ongoing Bacillus Calmette-Guérin (BCG) shortage has created challenges for the treatment of non-muscle invasive bladder cancer (NMIBCa). Our objective was to evaluate the efficacy of reduced-dose induction BCG (RD-iBCG) compared to full-dose induction BCG (FD-iBCG) regarding recurrence rates. We hypothesized that patients receiving RD-iBCG may recur at a higher rate compared to those who received FD-iBCG therapy.

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Autophagy and endoplasmic reticulum stress (ER stress) are important in numerous pathological processes in traumatic brain injury (TBI). Growing evidence has indicated that pyroptosis-associated inflammasome is involved in the pathogenesis of TBI. Platelet derived growth factor (PDGF) has been reported to be as a potential therapeutic drug for neurological diseases.

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Introduction: The presence of sarcomatoid features in localized renal cell carcinoma (RCC) is associated with worse outcomes. We sought to use a national database to evaluate the outcomes and prognosis of metastatic RCC (mRCC) with sarcomatoid features treated with cytoreductive nephrectomy (CN) and targeted therapy (TT).

Methods: The National Cancer Database (2010-2013) was used to identify patients with mRCC at diagnosis.

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Background: Non-muscle invasive bladder cancer (NMIBC) represents the majority of bladder neoplasms. It is unusual for NMIBC metastasizing distantly without regional progression, namely metastatic NMIBC (mNMIBC), which is still poorly understood and easily omitted based on current management policies. So far, description of mNMIBC is limited to a few case reports.

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After harvesting multiple costal cartilages, the local defect disrupts the integrity of the chest wall and may lead to obvious thoracic complications, such as local depression and asymmetry of the bilateral thoracic height. Decellularized materials have been used for tissue reconstruction in clinical surgeries. To apply xenogenic decellularized cartilage in costal cartilage defects, porcine-derived auricular and costal cartilage was tested for characterization, cytotoxicity, macrophage response, and tissue regeneration.

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Introduction: Squamous cell carcinoma (SCC) and extramammary Paget's Disease (EMPD) of the scrotum are exceedingly rare. Given their propensity for local invasion and treatment with wide local excision, they can be highly morbid conditions. Outcomes of Mohs Micrographic Surgery (MMS) for scrotal cutaneous malignancy is not well described in current literature.

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Background: Ovarian cancer is the most fatal gynecological malignancy. Owing to its insidious onset, rapid development, and poor prognosis, ovarian cancer is the fifth most common cause of death in women. Although immunotherapy-related drugs, such as Olaparib, can alleviate ovarian cancer progression, there are no remarkable breakthroughs for its effective treatment.

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Introduction: Previous studies showed suboptimal adherence to clinical practice guidelines for pelvic lymph node dissection (PLND) during radical prostatectomy (RP). Robot-assisted RP (RARP) has become the predominant surgical management for localized prostate cancer in the United States but contemporary national data on PLND adherence during RARP are still lacking.

Methods: RARPs for clinically localized (cT1-2N0M0) intermediate-risk and high-risk prostate cancer diagnosed between 2010 and 2016 in National Cancer Database were identified.

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Pancreatic cancer, one of the most malignant gastrointestinal tumors, is prone to liver metastasis. However, due to the lack of appropriate and comprehensive diagnostic methods, it is difficult to accurately predict the survival outcomes. Therefore, there is a need to identify effective biomarkers, such as UDP-GlcNAc: βGal β-1,3-N-acetylglucosaminyltransferase 3 (), that predict the survival outcome of patients with pancreatic cancer.

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Acellular matrix (ACM) has been widely used as a biomaterial. As the main component of ACM, collagen type and content show influence on the material properties. In this research, the collagen in ACM from different tissues of pig were determined by detection of marker peptides.

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Importance: There is a lack of data evaluating the association of surgical delay time (SDT) with outcomes in patients with localized, high-risk prostate cancer.

Objective: To investigate the association of SDT of radical prostatectomy and final pathological and survival outcomes.

Design, Setting, And Participants: This cohort study used data from the US National Cancer Database (NCDB) and identified all patients with clinically localized (cT1-2cN0cM0) high-risk prostate adenocarcinoma diagnosed between 2006 and 2016 who underwent radical prostatectomy.

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Purpose: National Comprehensive Cancer Network (NCCN) guidelines recommend confirmatory biopsy within 12 months of active surveillance (AS) enrollment. With <10 cores on initial biopsy, re-biopsy should occur within 6 months. Our objective was to determine if patients on AS within practices in the Pennsylvania Urologic Regional Collaborative (PURC) receive guideline concordant confirmatory biopsies.

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Purpose Of Review: To review the evidence regarding the usage of suprapubic tube (SPT) versus indwelling urethral catheter (IUC) after robot-assisted radical prostatectomy (RARP).

Recent Findings: Available data on the use of SPT for urinary drainage after RARP is somewhat limited mostly because of the variations of study designs and non-standardized outcomes. Although it may provide some mild benefit in terms of catheter-related pain and discomfort, the benefit seems not to be clinically significant.

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Background: Robot-assisted radical prostatectomy (RARP) can generally be performed with 1-2 nights of postoperative monitoring before discharge from the hospital. Little is known about what causes individual patients to remain in hospital beyond the second postoperative day.

Methods: Data for RARPs performed between 2013 and 2015 were extracted from the American College of Surgeons National Surgical Quality Improvement Program (NSQIP) database.

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Article Synopsis
  • Robot-assisted radical prostatectomy is the main surgical treatment for localized prostate cancer in the U.S., but research on the link between hospital volume and patient outcomes is limited.
  • A study analyzed data from 114,957 patients to categorize hospitals based on their annual robot-assisted prostatectomy case volume, revealing that higher-volume hospitals had better outcomes, such as lower mortality rates and fewer complications.
  • The findings suggest that patients treated at high-volume hospitals experience improved perioperative results and better long-term cancer control compared to those treated at lower-volume facilities.
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Blood-brain barrier (BBB) disruption and neuronal apoptosis are important pathophysiological processes after traumatic brain injury (TBI). In clinical stroke, Dl-3n-butylphthalide (Dl-NBP) has a neuroprotective effect with anti-inflammatory, anti-oxidative, anti-apoptotic and mitochondrion-protective functions. However, the effect and molecular mechanism of Dl-NBP for TBI need to be further investigated.

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