Inderbir S Gill

Keck School of Medicine USC, Los Ángeles, California, United States

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Publications (841)3535.53 Total impact

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    ABSTRACT: Background: Treatment of prostate cancer (PCa) may be improved by identifying biological mechanisms of tumor growth that directly impact clinical disease progression. We investigated whether genes associated with a highly tumorigenic, drug resistant, progenitor phenotype impact PCa biology and recurrence. Methods: Radical prostatectomy (RP) specimens (±disease recurrence, N = 276) were analyzed by qRT-PCR to quantify expression of genes associated with self-renewal, drug resistance, and tumorigenicity in prior studies. Associations between gene expression and PCa recurrence were confirmed by bootstrap internal validation and by external validation in independent cohorts (total N = 675) and in silico. siRNA knockdown and lentiviral overexpression were used to determine the effect of gene expression on PCa invasion, proliferation, and tumor growth. Results: Four candidate genes were differentially expressed in PCa recurrence. Of these, low AXIN2 expression was internally validated in the discovery cohort. Validation in external cohorts and in silico demonstrated that low AXIN2 was independently associated with more aggressive PCa, biochemical recurrence, and metastasis-free survival after RP. Functionally, siRNA-mediated depletion of AXIN2 significantly increased invasiveness, proliferation, and tumor growth. Conversely, ectopic overexpression of AXIN2 significantly reduced invasiveness, proliferation, and tumor growth. Conclusions: Low AXIN2 expression was associated with PCa recurrence after RP in our test population as well as in external validation cohorts, and its expression levels in PCa cells significantly impacted invasiveness, proliferation, and tumor growth. Given these novel roles, further study of AXIN2 in PCa may yield promising new predictive and therapeutic strategies. Prostate © 2016 Wiley Periodicals, Inc.
    No preview · Article · Jan 2016 · The Prostate
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    ABSTRACT: Introduction: We sought to determine predictors for early and late biochemical recurrence following radical prostatectomy among localized prostate cancer patients. Methods: The study included localized prostate cancer patients treated with radical prostatectomy (RP) at the University of Southern California from 1988 to 2008. Competing risks regression models were used to determine risk factors associated with earlier or late biochemical recurrence, defined using the median time to biochemical recurrence in this population (2.9 years after radical prostatectomy). Results: The cohort for this study included 2262 localized prostate cancer (pT2-3N0M0) patients who did not receive neoadjuvant or adjuvant therapies. Of these patients, 188 experienced biochemical recurrence and a subset continued to clinical recurrence, either within (n=19, 10%) or following (n=13, 7%) 2.9 years after RP. Multivariable stepwise competing risks analysis showed Gleason score ≥7, positive surgical margin status, and ≥pT3a stage to be associated with biochemical recurrence within 2.9 years following surgery. Predictors of biochemical recurrence after 2.9 years were Gleason score 7 (4+3), preoperative prostate-specific antigen (PSA) level, and ≥pT3a stage. Conclusions: Higher stage was associated with biochemical recurrence at any time following radical prostatectomy. Particular attention may need to be made to patients with stage ≥pT3a, higher preoperative PSA, and Gleason 7 prostate cancer with primary high-grade patterns when considering longer followup after RP.
    Preview · Article · Jan 2016
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    ABSTRACT: Clear cell renal cell carcinoma (ccRCC) is the most common subtype of renal cell cancer (RCC), followed by papillary RCC (pRCC). It is important to distinguish these two subtypes because of prognostic differences and possible changes in management, especially in cases undergoing active surveillance. The purpose of our study is to evaluate the use of voxel-based whole-lesion (WL) enhancement parameters on contrast enhanced computed tomography (CECT) to distinguish ccRCC from pRCC. In this institutional review board-approved study, we retrospectively queried the surgical database for post nephrectomy patients who had pathology proven ccRCC or pRCC and who had preoperative multiphase CECT of the abdomen between June 2009 and June 2011. A total of 61 patients (46 with ccRCC and 15 with pRCC) who underwent robotic assisted partial nephrectomy for clinically localized disease were included in the study. Multiphase CT acquisitions were transferred to a dedicated three-dimensional workstation, and WL regions of interest were manually segmented. Voxel-based contrast enhancement values were collected from the lesion segmentation and displayed as a histogram. Mean and median enhancement and histogram distribution parameters skewness, kurtosis, standard deviation, and interquartile range were calculated for each lesion. Comparison between ccRCC and pRCC was made using each imaging parameter. For mean and median enhancement, which had a normal distribution, independent t-test was used. For histogram distribution parameters, which were not normally distributed, Wilcoxon rank sum test was used. ccRCC had significantly higher mean and median whole WL enhancement (p < 0.01) compared to pRCC on arterial, nephrographic, and excretory phases. ccRCC had significantly higher interquartile range and standard deviation (p < 0.01) and significantly lower skewness (p < 0.01) compared to pRCC on arterial and nephrographic phases. ccRCC had significantly lower kurtosis compared to pRCC on only the arterial phase. Our study suggests that voxel-based WL enhancement parameters can be used as a quantitative tool to differentiate ccRCC from pRCC. Differentiating between the two main types of RCC would provide the patient and the treating physicians more information to formulate the initial approach to managing the patient's renal cancer.
    Full-text · Article · Dec 2015 · SpringerPlus
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    Sameer Chopra · Andre L.C. Abreu · Inderbir S Gill
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    ABSTRACT: Purpose of review: To review current status and controversies on robotic intracorporeal urinary diversion (RICUD). We discuss the current status of urinary diversion, including complications and current types of RICUD, the available options for RICUD going forward for robotic radical cystectomy (RRC) patients, and the current critiques of RICUD. Recent findings: Although the majority of centers conclude RRC with an extracorporeal urinary diversion (ECUD), the number of total RICUD being performed worldwide is increasing. Although limited, ICUD may provide comparable, if not superior, outcomes to ECUD, though at the moment this technique has been performed mostly by highly experienced and skilled robotic surgeons who have performed a high volume of ICUDs. Several ICUD options are available, and improvements and increased experience with this technique can lead to comparable outcomes; however, this is yet to be validated. Summary: At the current moment ECUD is still the norm following RRC. However, ICUD is gaining steam and becoming more commonly used. Several urinary diversion options can be accomplished intracorporeally including continent and noncontinent orthotopic and nonorthotopic urinary diversions. Further experience with these techniques by additional centers is required.
    Full-text · Article · Nov 2015 · Current opinion in urology

  • No preview · Article · Nov 2015 · Cancer Research

  • No preview · Article · Nov 2015

  • No preview · Article · Nov 2015

  • No preview · Article · Nov 2015
  • Toshitaka Shin · Osamu Ukimura · Inderbir S Gill

    No preview · Article · Oct 2015 · European Urology
  • Raj Satkunasivam · Mihir Desai · Inderbir S Gill

    No preview · Article · Sep 2015 · European Urology
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    ABSTRACT: Introduction and objectives: Following the recently published EAU Policy on Live Surgical Events (LSE’s), it is now assured that live surgery will be ongoing at conferences in the immediate future. However, the panel reached >80% consensus on the view that performing at a home institution may be safer. The committee also identified issues with a ‘‘travelling surgeon’’ performing complex surgery in an unfamiliar environment with a surgical team that is not experienced with the intricacies of the surgeon’s technique. LSE’s from a home institution remove or minimize these negative aspects. Furthermore, there are other important reasons why LSE’s are enhanced when performed at a high- volume home institution. The potential to optimise surgical performance comes from working with an experienced team. Consistency is a key measure of quality, and robotic surgery in particular epitomises teamwork. It is therefore likely that the natural evolution of LSE’s, is that a greater proportion are broadcast from home institutions. We aimed to highlight the benefits of this approach to surgical training with a global approach. Material and methods: On the 16-17th February 2015 ten robotic centers from 4 continents broadcast live surgery over a 24hr continuous period. The event was advised by and approved by the EAU live surgery committee. The live surgery was broadcast on a website www.wrse24.org which was accessible only to professionals, being password protected and requiring registration and approval. LiveArena provided the infrastructure and technological support. The event was promoted via social media including a BJUI blog and a poll carried out by the BJUI website posing the question “would you sign up for a surgical webinar, instead of travelling to the venue if you received the same Continuous Medical Education (CME) points?” Results: We had registrants from 61 countries in total (58 on the day). Accessing the live surgery included 469 registrants from Europe, 114 from the US, 267 from Asia, 114 from Australia and 12 from Africa. Unique viewers were classified as viewers using a unique IP address. We had 1390 unique viewers to the www.wrse24.org website over the live 24 hours and this number increased to 2277 over the next 6 days. 76% of respondents to the BJUI poll said that they would ‘attend’ a streamed virtual surgical conference instead of travelling to it, if they got the same CME accreditation. Conclusions: This was the largest global robotic webinar for live surgery. Indications are that it was well received by the worldwide audience. Planned improvements to future WRSE24 events include further integration of social media for direct real-time interaction between surgeons and the viewers, and increased functionality and interaction with the video library.
    No preview · Article · Sep 2015 · European Urology Supplements
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    ABSTRACT: There are distinct quantifiable features characterizing renal cell carcinomas on contrast-enhanced CT examinations, such as peak tumor enhancement, tumor heterogeneity, and percent contrast washout. While qualitative visual impressions often suffice for diagnosis, quantitative metrics if developed and validated can add to the information available from standard of care diagnostic imaging. The purpose of this study is to assess the use of quantitative enhancement metrics in predicting the Fuhrman grade of clear cell RCC. 65 multiphase CT examinations with clear cell RCCs were utilized, 44 tumors with Fuhrman grades 1 or 2 and 21 tumors with grades 3 or 4. After tumor segmentation, the following data were extracted: histogram analysis of voxel-based whole lesion attenuation in each phase, enhancement and washout using mean, median, skewness, kurtosis, standard deviation, and interquartile range. Statistically significant difference was observed in 4 measured parameters between grades 1-2 and grades 3-4: interquartile range of nephrographic attenuation values, standard deviation of absolute enhancement, as well as interquartile range and standard deviation of residual nephrographic enhancement. Interquartile range of nephrographic attenuation values was 292.86 HU for grades 1-2 and 241.19 HU for grades 3-4 (p value 0.02). Standard deviation of absolute enhancement was 41.26 HU for grades 1-2 and 34.66 HU for grades 3-4 (p value 0.03). Interquartile range was 297.12 HU for residual nephrographic enhancement for grades 1-2 and 235.57 HU for grades 3-4 (p value 0.02), and standard deviation of the same was 42.45 HU for grades 1-2 and 37.11 for grades 3-4 (p value 0.04). Our results indicate that absolute enhancement is more heterogeneous for lower grade tumors and that attenuation and residual enhancement in nephrographic phase is more heterogeneous for lower grade tumors. This represents an important step in devising a predictive non-invasive model to predict the nucleolar grade.
    No preview · Article · Aug 2015 · Abdominal Imaging
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    ABSTRACT: Introduction: Salvage ablative therapy (SAT) has been developed as a form of localized treatment for localized recurrence of prostate cancers following radiation therapy. To better address the utility of SAT, prospective clinical trials must address the aspects of accepted standards in the initial evaluation, treatment, follow-up, and outcomes in the oncology community. We undertook this study to achieve consensus on uniform standardized trial design for SAT trials. Methods: A literature search was performed and an international multidisciplinary group of experts was identified. A questionnaire was constructed and sent out to 71 participants in 3 consecutive rounds according to the Delphi method. The project was concluded with a face-to-face meeting in which the results were reviewed and conclusions were formulated. Results: Patients with recurrent disease after radiation therapy were considered candidates for a SAT trial using any ablation scenario performed with cryotherapy or high-intensity focused ultrasound. It is feasible to compare different sources of energy or to compare with historical data on salvage radical prostatectomy outcomes. The primary objective should be to assess the efficacy of the treatment for negative biopsy rate at 12 months. Secondary objectives should include safety parameters and quality-of-life assessment. Exclusion criteria should include evidence of local or distant metastases. The optimal biopsy strategy is image-guided targeted biopsies. Follow-up includes multiparametric magnetic resonance imaging, prostate-specific antigen level, and quality of life for at least 5 years. Conclusions: A multidisciplinary board from international experts reached consensus on trial design for SAT in prostate cancer and provides a standard for designing a feasible SAT trial.
    Full-text · Article · Aug 2015 · Urologic Oncology
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    ABSTRACT: Axl plays multiple roles in tumourigenesis in several cancers. Here we evaluated the expression and biological function of Axl in renal cell carcinoma (RCC). Axl expression was analysed in a tissue microarray of 174 RCC samples by immunostaining and a panel of 11 normal tumour pairs of human RCC tissues by western blot, as well as in RCC cell lines by both western blot and quantitative PCR. The effects of Axl knockdown in RCC cells on cell growth and signalling were investigated. The efficacy of a humanised Axl targeting monoclonal antibody hMAb173 was tested in histoculture and tumour xenograft. We have determined by immunohistochemistry (IHC) that Axl is expressed in 59% of RCC array samples with moderate to high in 20% but not expressed in normal kidney tissue. Western blot analysis of 11 pairs of tumour and adjacent normal tissue show high Axl expression in 73% of the tumours but not normal tissue. Axl is also expressed in RCC cell lines in which Axl knockdown reduces cell viability and PI3K/Akt signalling. The Axl antibody hMAb173 significantly induced RCC cell apoptosis in histoculture and inhibited the growth of RCC tumour in vivo by 78%. The hMAb173-treated tumours also had significantly reduced Axl protein levels, inhibited PI3K signalling, decreased proliferation, and induced apoptosis. Axl is highly expressed in RCC and critical for RCC cell survival. Targeting Axl is a potential approach for RCC treatment.British Journal of Cancer advance online publication, 16 July 2015; doi:10.1038/bjc.2015.237 www.bjcancer.com.
    Full-text · Article · Jul 2015 · British Journal of Cancer
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    ABSTRACT: To assess the impact of 3D printed models of renal tumor on patient's understanding of their conditions. Patient understanding of their medical condition and treatment satisfaction has gained increasing attention in medicine. Novel technologies such as additive manufacturing [also termed three-dimensional (3D) printing] may play a role in patient education. A prospective pilot study was conducted, and seven patients with a primary diagnosis of kidney tumor who were being considered for partial nephrectomy were included after informed consent. All patients underwent four-phase multi-detector computerized tomography (MDCT) scanning from which renal volume data were extracted to create life-size patient-specific 3D printed models. Patient knowledge and understanding were evaluated before and after 3D model presentation. Patients' satisfaction with their specific 3D printed model was also assessed through a visual scale. After viewing their personal 3D kidney model, patients demonstrated an improvement in understanding of basic kidney physiology by 16.7 % (p = 0.018), kidney anatomy by 50 % (p = 0.026), tumor characteristics by 39.3 % (p = 0.068) and the planned surgical procedure by 44.6 % (p = 0.026). Presented herein is the initial clinical experience with 3D printing to facilitate patient's pre-surgical understanding of their kidney tumor and surgery.
    Full-text · Article · Jul 2015 · World Journal of Urology
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    ABSTRACT: Intracorporeal orthotopic neobladder (iONB) creation following robotic radical cystectomy is an emerging procedure and robust functional data are required. To evaluate urodynamic features of iONB and bladder cancer-specific and general health-related quality-of-life (HRQOL) outcomes. We retrospectively assessed 28 men who underwent iONB creation (January 2012 to October 2013) and compared results to a previously characterized cohort of 79 of open ONB procedures. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: iONB pressure-volume properties were characterized using multichannel urodynamics (UDS). The Bladder Cancer Index (BCI) questionnaire, modified with mucus- and pad-related questions, and the Short Form Health Survey (SF-36) were used to evaluate urinary function and HRQOL. ONB cohorts were compared for functional outcomes and BCI score. Multivariable linear regression was used to assess predictors of BCI score. The median follow-up was 9.4 mo for the iONB and 62.1 mo for the open ONB group (p<0.0001); ≥2-yr follow-up had been completed for one (4%) patient in the iONB group compared to 75 (95%) patients in the open ONB group (p<0.0001). In UDS tests, the iONB group had minimal postvoid residual volume, normal compliance, and a mean capacity of 514 cm(3) (range 339-1001). BCI mean scores for urinary function (p=0.58) and urinary bother (p=0.31) were comparable between the groups. The surgical approach was not associated with the BCI score on multivariable analysis. Rates of 24-h pad use were comparable between iONB and open ONB groups (pad-free 17% vs 19%; ≤2 pads 84% vs 79%), as reflected by total pad usage (p=0.1); pad size and daytime wetness were worse in the iONB group. The clean intermittent catheterization rate was 10.7% in the iONB and 6.3% in the open ONB group. Limitations include the retrospective comparison, small number of patients and short follow-up for the iONB group. iONB had adequate UDS characteristics and comparable bladder cancer-specific HRQOL scores to open ONB. However, pad size and daytime wetness were worse for iONB, albeit over significantly shorter follow-up. We demonstrate that the volumetric and pressure characteristics are acceptable for a neobladder created using an entirely robot-assisted laparoscopic technique after bladder removal for cancer. Urinary function and quality-of-life outcomes related to the robotic technique were compared to those for neobladders created via an open surgical technique. We found that urinary function and bother indices were comparable; however, the robotic group required larger incontinence pads that were wetter during the daytime. This may be explained by the significantly shorter duration of recovery after surgery in the robotic group. Copyright © 2015 European Association of Urology. Published by Elsevier B.V. All rights reserved.
    Full-text · Article · Jul 2015 · European Urology
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    ABSTRACT: To report our 11-year experience of Active Surveillance (AS) program focusing on modern transrectal ultrasound (TRUS)-based monitoring of targeted biopsy-proven cancer lesion. Consecutive patients on AS, who had targeted biopsy-proven lesion followed by at least a repeat surveillance biopsy and three times TRUS monitoring of the identical visible lesion, were included. Doppler grade of blood flow signal within the lesion was classified from grade 0 to 3. Biopsy-proven progression was defined as upgrade of Gleason score or 25 % or greater increase in cancer core involvement. Fifty patients were included in this study. Clinical variables (median) included age (61 years), clinical stage (T1c, 42;T2, 8), PSA (4.6 ng/ml), and Gleason score (3 + 3, n = 41;3 + 4, n = 9). Of the 50 patients, 34 demonstrated pathological progression at a median follow-up of 4.4 years. In comparing between without (n = 16) and with (n = 34) pathological progression, there were significant differences in cancer core involvement at entry (p = 0.003), the major axis diameter (p = 0.001) and minor axis diameter (p = 0.001) of the visible lesion at entry, increase in the major axis diameter (p = 0.005) and minor axis diameter (p = 0.013), and upgrade of Doppler grade (p < 0.0001). In multivariate analysis for predicting pathological progression, the increase (≥25 %) in diameter of biopsy-proven lesion (hazard ratio, 15.314; p = 0.023) and upgrade of Doppler grade (hazard ratio, 37.409; p = 0.019) were significant risk factors. Longitudinal monitoring of the TRUS-visible biopsy-proven cancer provides a new opportunity to perform per-lesion-based AS. The increase in diameter and upgrade of Doppler grade of the lesion were significant risk factors for biopsy-proven progression on AS.
    Full-text · Article · Jun 2015 · World Journal of Urology
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    ABSTRACT: To develop a robotic technique for exclusively trans-abdominal control of the supra-hepatic, infra-diaphragmatic inferior vena cava (IVC) to enable level 3 IVC tumor thrombectomy. Robotic technique was developed in 3 fresh, perfused-model cadavers. Pre-operatively, inflow (right jugular vein) and outflow (left femoral vein) cannulae were inserted and connected to a centrifugal pump to establish a 10 mmHg pressure in the IVC for the water-perfused cadaver model. Using a 5-port trans-peritoneal robotic approach, the falciform ligament was detached from the anterior abdominal wall towards its junction with the diaphragm, and tautly retracted caudally; this adequately retracted the liver caudally as well. Triangular and coronary ligaments were incised, allowing ready visualization of supra-hepatic/infra-diaphragmatic IVC and right/left main hepatic veins. Under direct robotic visualization, IVC was circumferentially mobilized, vessel-looped and controlled. All 3 robotic procedures were successfully completed trans-abdominally. Average robotic time to control the supra-hepatic IVC was 37min; in each case, the supra-hepatic IVC was circumferentially controlled with a vessel-loop. There were no intraoperative complications. Length of the mobilized supra-hepatic IVC measured between 2-3cm. Right and left supra-hepatic veins were clearly visualized in each case. Necropsy revealed no intra-abdominal/intra-thoracic visceral or vascular injuries to the supra-hepatic IVC, bilateral hepatic veins, or tributaries. We developed a novel robotic technique for trans-abdominal control of the supra-hepatic infra-diaphragmatic IVC in a perfused human cadaver model. This approach may extend the application of advanced robotic techniques for the performance of major vena caval, hepatic and level 3 IVC renal tumor thrombus surgery.
    Full-text · Article · Jun 2015 · Journal of endourology / Endourological Society
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    ABSTRACT: Anatomic partial nephrectomy (PN) techniques aim to decrease or eliminate global renal ischemia. To report the technical feasibility of completely unclamped "minimal-margin" robotic PN. We also illustrate the stepwise evolution of anatomic PN surgery with related outcomes data. This study was a retrospective analysis of 179 contemporary patients undergoing anatomic PN at a tertiary academic institution between October 2009 and February 2013. Consecutive consented patients were grouped into three cohorts: group 1, with superselective clamping and developmental-curve experience (n = 70); group 2, with superselective clamping and mature experience (n = 60); and group 3, which had completely unclamped, minimal-margin PN (n = 49). Patients in groups 1 and 2 underwent superselective tumor-specific devascularization, whereas patients in group 3 underwent completely unclamped minimal-margin PN adjacent to the tumor edge, a technique that takes advantage of the radially oriented intrarenal architecture and anatomy. Primary outcomes assessed the technical feasibility of robotic, completely unclamped, minimal-margin PN; short-term changes in estimated glomerular filtration rate (eGFR); and development of new-onset chronic kidney disease (CKD) stage >3. Secondary outcome measures included perioperative variables, 30-d complications, and histopathologic outcomes. Demographic data were similar among groups. For similarly sized tumors (p = 0.13), percentage of kidney preserved was greater (p = 0.047) and margin width was narrower (p = 0.0004) in group 3. In addition, group 3 had less blood loss (200, 225, and 150ml; p = 0.04), lower transfusion rates (21%, 23%, and 4%; p = 0.008), and shorter hospital stay (p = 0.006), whereas operative time and 30-d complication rates were similar. At 1-mo postoperatively, median percentage reduction in eGFR was similar (7.6%, 0%, and 3.0%; p = 0.53); however, new-onset CKD stage >3 occurred less frequently in group 3 (23%, 10%, and 2%; p = 0.003). Study limitations included retrospective analysis, small sample size, and short follow-up. We developed an anatomically based technique of robotic, unclamped, minimal-margin PN. This evolution from selective clamped to unclamped PN may further optimize functional outcomes but requires external validation and longer follow-up. The technical evolution of partial nephrectomy surgery is aimed at eliminating global renal damage from the cessation of blood flow. An unclamped minimal-margin technique is described and may offer renal functional advantage but requires long-term follow-up and validation at other institutions. Copyright © 2015 European Association of Urology. Published by Elsevier B.V. All rights reserved.
    Full-text · Article · Jun 2015 · European Urology
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    ABSTRACT: To discuss the evaluation of the enhancement curve over time of the major renal cell carcinoma (RCC) subtypes, oncocytoma, and lipid-poor angiomyolipoma, to aid in the preoperative differentiation of these entities. Differentiation of these lesions is important, given the different prognoses of the subtypes, as well as the desire to avoid resecting benign lesions. We discuss findings from CT, MR, and US, but with a special emphasis on contrast-enhanced ultrasound (CEUS). CEUS technique is described, as well as time-intensity curve analysis. Examples of each of the major RCC subtypes (clear cell, papillary, and chromophobe) are shown, as well as examples of oncocytoma and lipid-poor angiomyolipoma. For each lesion, the time-intensity curve of enhancement on CEUS is reviewed, and correlated with the enhancement curve over time reported for multiphase CT and MR. Preoperative differentiation of the most common solid renal masses is important, and the time-intensity curves of these lesions show some distinguishing features that can aid in this differentiation. The use of CEUS is increasing, and as a modality it is especially well suited to the evaluation of the time-intensity curve.
    No preview · Article · Jun 2015 · Abdominal Imaging

Publication Stats

26k Citations
3,535.53 Total Impact Points

Institutions

  • 2011-2015
    • Keck School of Medicine USC
      Los Ángeles, California, United States
    • University of Texas Southwestern Medical Center
      • Department of Urology
      Dallas, Texas, United States
  • 2009-2015
    • University of Southern California
      • Keck School of Medicine
      Los Ángeles, California, United States
    • University of California, Los Angeles
      Los Ángeles, California, United States
    • University Hospital Of North Staffordshire NHS Trust
      • Department of Urology
      Stoke-upon-Trent, England, United Kingdom
  • 2014
    • Istituto Regina Elena - Istituti Fisioterapici Ospitalieri
      Roma, Latium, Italy
  • 2003-2014
    • Michigan Institute of Urology
      Detroit, Michigan, United States
    • American Physical Society
      CGS, Maryland, United States
  • 2013
    • ICL
      Londinium, England, United Kingdom
  • 2012
    • University of Texas MD Anderson Cancer Center
      • Department of Urology
      Houston, TX, United States
  • 2010
    • Stanford University
      Palo Alto, California, United States
  • 1994-2010
    • Cleveland Clinic
      • • Department of Pathobiology
      • • Department of Urology
      Cleveland, Ohio, United States
  • 2008-2009
    • Port Macquarie Base Hospital
      Порт Маккуори, New South Wales, Australia
    • Kyoto Prefectural University of Medicine
      • Department of Urology
      Kyoto, Kyoto-fu, Japan
    • Case Western Reserve University
      Cleveland, Ohio, United States
    • Muljibhai Patel Urological Hospital
      Aimand, Gujarāt, India
  • 2007
    • University of California, Davis
      • Department of Urology
      Davis, California, United States
  • 2000-2007
    • Institute for Urologic Research
      Wheeling, West Virginia, United States
    • Bristol Urological Institute
      Bristol, England, United Kingdom
    • Eastern Virginia Medical School
      Norfolk, Virginia, United States
  • 2006
    • Fox Chase Cancer Center
      Filadelfia, Pennsylvania, United States
  • 2004
    • University of Cincinnati
      Cincinnati, Ohio, United States
    • Lerner Research Institute
      Cleveland, Ohio, United States
  • 2001
    • Università Vita-Salute San Raffaele
      • Faculty of Psychology
      Milano, Lombardy, Italy
  • 1996
    • University of Nebraska Medical Center
      • Department of Surgery
      Omaha, Nebraska, United States
  • 1993-1995
    • University of Kentucky
      • Department of Surgery
      Lexington, Kentucky, United States
    • Washington University in St. Louis
      • • Division of Urologic Surgery
      • • Department of Surgery
      San Luis, Missouri, United States