1
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Cheng T, Li H. Prediction of Gleason score in prostate cancer patients based on radiomic features of transrectal ultrasound images. Br J Radiol 2024; 97:415-421. [PMID: 38308030 DOI: 10.1093/bjr/tqad036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 10/20/2023] [Accepted: 11/20/2023] [Indexed: 02/04/2024] Open
Abstract
OBJECTIVES The aim of this study was to develop a model for predicting the Gleason score of patients with prostate cancer based on ultrasound images. METHODS Transrectal ultrasound images of 838 prostate cancer patients from The Cancer Imaging Archive database were included in this cross-section study. Data were randomly divided into the training set and testing set (ratio 7:3). A total of 103 radiomic features were extracted from the ultrasound image. Lasso regression was used to select radiomic features. Random forest and broad learning system (BLS) methods were utilized to develop the model. The area under the curve (AUC) was calculated to evaluate the model performance. RESULTS After the screening, 10 radiomic features were selected. The AUC and accuracy of the radiomic feature variables random forest model in the testing set were 0.727 (95% CI, 0.694-0.760) and 0.646 (95% CI, 0.620-0.673), respectively. When PSA and radiomic feature variables were included in the random forest model, the AUC and accuracy of the model were 0.770 (95% CI, 0.740-0.800) and 0.713 (95% CI, 0.688-0.738), respectively. While the BLS method was utilized to construct the model, the AUC and accuracy of the model were 0.726 (95% CI, 0.693-0.759) and 0.698 (95% CI, 0.673-0.723), respectively. In predictions for different Gleason grades, the highest AUC of 0.847 (95% CI, 0.749-0.945) was found to predict Gleason grade 5 (Gleason score ≥9). CONCLUSIONS A model based on transrectal ultrasound image features showed a good ability to predict Gleason scores in prostate cancer patients. ADVANCES IN KNOWLEDGE This study used ultrasound-based radiomics to predict the Gleason score of patients with prostate cancer.
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Affiliation(s)
- Tao Cheng
- Department of Ultrasound, Changzhou Tumor Hospital, Changzhou 213000, China
| | - Huiming Li
- Department of Ultrasound, Changzhou Tumor Hospital, Changzhou 213000, China
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2
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Tipre M, Hardy C, Bowman T, Glover M, Gullet P, Baity D, Levy K, L Baskin M. Concept Mapping with Black Men: Barriers to Prostate Cancer Screening and Solutions. JOURNAL OF CANCER EDUCATION : THE OFFICIAL JOURNAL OF THE AMERICAN ASSOCIATION FOR CANCER EDUCATION 2023; 38:1808-1815. [PMID: 37458874 DOI: 10.1007/s13187-023-02336-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/02/2023] [Indexed: 11/18/2023]
Abstract
A structured participatory approach of group concept mapping (GCM) was used to understand barriers and concerns around prostate cancer screening (PCS) among African American (AA) men. One-hundred thirteen AA men aged 35-70 years enrolled from one urban and three rural counties in Alabama. Eighty-five men brainstormed and generated 41 unique ideas in response to a single prompt. Participants (n = 70) sorted ideas into groups and rated them in terms of importance and feasibility to change opinions. Multi-dimensional scaling and cluster analysis were used to analyze the data. Participants (n=50) discussed visual concept maps during three focus-groups and recommended solutions to address key barriers. The mean age of respondents was 52 (±10), 50% were rural, 37% were college-educated, 56% with income <$44,500, and 22% with PROCASE Knowledge Index ≤5. Cluster analyses revealed eight clusters. Participants ranked barriers grouped under "fear of consequences of test," "lack of knowledge," and "costs/no insurance" as most important to improve PCS among AA men. The same three clusters along with "dislike for digital rectal exam (DRE)" were ranked as most difficult to change. No major differences were noted by urban/rural status. Solutions to address barriers included education at a younger age, alternate testing options and open discussion about DRE, and clear and precise messaging by peers and relatable role models. Our study identified specific barriers to PCS among AA with diverse sociodemographic backgrounds. Culturally sensitive interventions delivered by trained healthcare professionals, peers, and relatable role models, can potentially increase PCS among AA men.
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Affiliation(s)
- Meghan Tipre
- Division of Hematology and Oncology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA.
- UPMC Hillman Cancer Center, Office of Community Outreach and Engagement and Health Equity, University of Pittsburgh, Pittsburgh, PA, USA.
| | - Claudia Hardy
- Division of Preventive Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
- O'Neal Comprehensive Cancer Center, Office of Community Outreach and Engagement, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Tara Bowman
- O'Neal Comprehensive Cancer Center, Office of Community Outreach and Engagement, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Marcus Glover
- O'Neal Comprehensive Cancer Center, Office of Community Outreach and Engagement, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Patricia Gullet
- O'Neal Comprehensive Cancer Center, Office of Community Outreach and Engagement, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Denise Baity
- O'Neal Comprehensive Cancer Center, Office of Community Outreach and Engagement, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Kathy Levy
- O'Neal Comprehensive Cancer Center, Office of Community Outreach and Engagement, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Monica L Baskin
- Division of Hematology and Oncology, School of Medicine, University of Pittsburgh, Pittsburgh, PA, USA
- UPMC Hillman Cancer Center, Office of Community Outreach and Engagement and Health Equity, University of Pittsburgh, Pittsburgh, PA, USA
- Division of Preventive Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
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3
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Tang Y, Li X, Jiang Q, Zhai L. Diagnostic accuracy of multiparametric ultrasound in the diagnosis of prostate cancer: systematic review and meta-analysis. Insights Imaging 2023; 14:203. [PMID: 38001351 PMCID: PMC10673798 DOI: 10.1186/s13244-023-01543-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Accepted: 10/15/2023] [Indexed: 11/26/2023] Open
Abstract
OBJECTIVES Ultrasound (US) technology has recently made advances that have led to the development of modalities including elastography and contrast-enhanced ultrasound. The use of different US modalities in combination may increase the accuracy of PCa diagnosis. This study aims to assess the diagnostic accuracy of multiparametric ultrasound (mpUS) in the PCa diagnosis. METHODS Through September 2023, we searched through Cochrane CENTRAL, PubMed, Embase, Scopus, Web of Science, ClinicalTrial.gov, and Google Scholar for relevant studies. We used standard methods recommended for meta-analyses of diagnostic evaluation. We plot the SROC curve, which stands for summary receiver operating characteristic. To determine how confounding factors affected the results, meta-regression analysis was used. RESULTS Finally, 1004 patients from 8 studies that were included in this research were examined. The diagnostic odds ratio for PCa was 20 (95% confidence interval (CI), 8-49) and the pooled estimates of mpUS for diagnosis were as follows: sensitivity, 0.88 (95% CI, 0.81-0.93); specificity, 0.72 (95% CI, 0.59-0.83); positive predictive value, 0.75 (95% CI, 0.63-0.87); and negative predictive value, 0.82 (95% CI, 0.71-0.93). The area under the SROC curve was 0.89 (95% CI, 0.86-0.92). There was a significant heterogeneity among the studies (p < 0.01). According to meta-regression, both the sensitivity and specificity of mpUS in the diagnosis of clinically significant PCa (csPCa) were inferior to any PCa. CONCLUSION The diagnostic accuracy of mpUS in the diagnosis of PCa is moderate, but the accuracy in the diagnosis of csPCa is significantly lower than any PCa. More relevant research is needed in the future. CRITICAL RELEVANCE STATEMENT This study provides urologists and sonographers with useful data by summarizing the accuracy of multiparametric ultrasound in the detection of prostate cancer. KEY POINTS • Recent studies focused on the role of multiparametric ultrasound in the diagnosis of prostate cancer. • This meta-analysis revealed that multiparametric ultrasound has moderate diagnostic accuracy for prostate cancer. • The diagnostic accuracy of multiparametric ultrasound in the diagnosis of clinically significant prostate cancer is significantly lower than any prostate cancer.
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Affiliation(s)
- Yun Tang
- Department of Geriatric Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
- Longmen Hao Street Community Health Service Center, Nan'an District, Chongqing, 401336, China
| | - Xingsheng Li
- Department of Geriatric Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China
| | - Qing Jiang
- Department of Urology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.
| | - Lingyun Zhai
- Department of Urology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, China.
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4
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He M, Cao Y, Chi C, Yang X, Ramin R, Wang S, Yang G, Mukhtorov O, Zhang L, Kazantsev A, Enikeev M, Hu K. Research progress on deep learning in magnetic resonance imaging-based diagnosis and treatment of prostate cancer: a review on the current status and perspectives. Front Oncol 2023; 13:1189370. [PMID: 37546423 PMCID: PMC10400334 DOI: 10.3389/fonc.2023.1189370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Accepted: 05/30/2023] [Indexed: 08/08/2023] Open
Abstract
Multiparametric magnetic resonance imaging (mpMRI) has emerged as a first-line screening and diagnostic tool for prostate cancer, aiding in treatment selection and noninvasive radiotherapy guidance. However, the manual interpretation of MRI data is challenging and time-consuming, which may impact sensitivity and specificity. With recent technological advances, artificial intelligence (AI) in the form of computer-aided diagnosis (CAD) based on MRI data has been applied to prostate cancer diagnosis and treatment. Among AI techniques, deep learning involving convolutional neural networks contributes to detection, segmentation, scoring, grading, and prognostic evaluation of prostate cancer. CAD systems have automatic operation, rapid processing, and accuracy, incorporating multiple sequences of multiparametric MRI data of the prostate gland into the deep learning model. Thus, they have become a research direction of great interest, especially in smart healthcare. This review highlights the current progress of deep learning technology in MRI-based diagnosis and treatment of prostate cancer. The key elements of deep learning-based MRI image processing in CAD systems and radiotherapy of prostate cancer are briefly described, making it understandable not only for radiologists but also for general physicians without specialized imaging interpretation training. Deep learning technology enables lesion identification, detection, and segmentation, grading and scoring of prostate cancer, and prediction of postoperative recurrence and prognostic outcomes. The diagnostic accuracy of deep learning can be improved by optimizing models and algorithms, expanding medical database resources, and combining multi-omics data and comprehensive analysis of various morphological data. Deep learning has the potential to become the key diagnostic method in prostate cancer diagnosis and treatment in the future.
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Affiliation(s)
- Mingze He
- Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Yu Cao
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Changliang Chi
- Department of Urology, The First Hospital of Jilin University (Lequn Branch), Changchun, Jilin, China
| | - Xinyi Yang
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Rzayev Ramin
- Department of Radiology, The Second University Clinic, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Shuowen Wang
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Guodong Yang
- I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Otabek Mukhtorov
- Regional State Budgetary Health Care Institution, Kostroma Regional Clinical Hospital named after Korolev E.I. Avenue Mira, Kostroma, Russia
| | - Liqun Zhang
- School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian, Liaoning, China
| | - Anton Kazantsev
- Regional State Budgetary Health Care Institution, Kostroma Regional Clinical Hospital named after Korolev E.I. Avenue Mira, Kostroma, Russia
| | - Mikhail Enikeev
- Institute for Urology and Reproductive Health, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Kebang Hu
- Department of Urology, The First Hospital of Jilin University (Lequn Branch), Changchun, Jilin, China
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5
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Gravestock P, Somani BK, Tokas T, Rai BP. A Review of Modern Imaging Landscape for Prostate Cancer: A Comprehensive Clinical Guide. J Clin Med 2023; 12:jcm12031186. [PMID: 36769834 PMCID: PMC9918161 DOI: 10.3390/jcm12031186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 01/29/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
The development of prostate cancer imaging is rapidly evolving, with many changes to the way patients are diagnosed, staged, and monitored for recurrence following treatment. New developments, including the potential role of imaging in screening and the combined diagnostic and therapeutic applications in the field of theranostics, are underway. In this paper, we aim to outline the current landscape in prostate cancer imaging and look to the future at the potential modalities and applications to come.
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Affiliation(s)
- Paul Gravestock
- Department of Urology, Freeman Hospital, Newcastle upon Tyne NE7 7DN, UK
| | - Bhaskar Kumar Somani
- Department of Urology, University Hospital Southampton NHS Trust, Southampton SO16 6YD, UK
| | - Theodoros Tokas
- Department of Urology and Andrology, General Hospital Hall in Tirol, 6060 Hall in Tirol, Austria
- Training and Research in Urological Surgery and Technology (T.R.U.S.T.)-Group, 6060 Hall in Tirol, Austria
| | - Bhavan Prasad Rai
- Department of Urology, Freeman Hospital, Newcastle upon Tyne NE7 7DN, UK
- Correspondence:
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6
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Perra E, Hayward N, Pritzker KPH, Nieminen HJ. An ultrasonically actuated needle promotes the transport of nanoparticles and fluids. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2022; 152:251. [PMID: 35931509 DOI: 10.1121/10.0012190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 06/13/2022] [Indexed: 06/15/2023]
Abstract
Non-invasive therapeutic ultrasound (US) methods, such as high-intensity focused ultrasound (HIFU), have limited access to tissue targets shadowed by bones or presence of gas. This study demonstrates that an ultrasonically actuated medical needle can be used to translate nanoparticles and fluids under the action of nonlinear phenomena, potentially overcoming some limitations of HIFU. A simulation study was first conducted to study the delivery of a tracer with an ultrasonically actuated needle (33 kHz) inside a porous medium acting as a model for soft tissue. The model was then validated experimentally in different concentrations of agarose gel showing a close match with the experimental results, when diluted soot nanoparticles (diameter < 150 nm) were employed as delivered entity. An additional simulation study demonstrated a threefold increase in the volume covered by the delivered agent in liver under a constant injection rate, when compared to without US. This method, if developed to its full potential, could serve as a cost effective way to improve safety and efficacy of drug therapies by maximizing the concentration of delivered entities within, e.g., a small lesion, while minimizing exposure outside the lesion.
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Affiliation(s)
- Emanuele Perra
- Medical Ultrasonics Laboratory (MEDUSA), Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, 02150, Finland
| | - Nick Hayward
- Medical Ultrasonics Laboratory (MEDUSA), Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, 02150, Finland
| | - Kenneth P H Pritzker
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A8, Canada
| | - Heikki J Nieminen
- Medical Ultrasonics Laboratory (MEDUSA), Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, 02150, Finland
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7
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Perra E, Hayward N, Pritzker KPH, Nieminen HJ. An ultrasonically actuated fine-needle creates cavitation in bovine liver. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2022; 151:3690. [PMID: 35778205 DOI: 10.1121/10.0010534] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 04/26/2022] [Indexed: 06/15/2023]
Abstract
Ultrasonic cavitation is being used in medical applications as a way to influence matter, such as tissue or drug vehicles, on a micro-scale. Oscillating or collapsing cavitation bubbles provide transient mechanical force fields, which can, e.g., fractionate soft tissue or even disintegrate solid objects, such as calculi. Our recent study demonstrates that an ultrasonically actuated medical needle can create cavitation phenomena inside water. However, the presence and behavior of cavitation and related bioeffects in diagnostic and therapeutic applications with ultrasonically actuated needles are not known. Using simulations, we demonstrate numerically and experimentally the cavitation phenomena near ultrasonically actuated needles. We define the cavitation onset within a liver tissue model with different total acoustic power levels. We directly visualize and quantitatively characterize cavitation events generated by the ultrasonic needle in thin fresh bovine liver sections enabled by high-speed imaging. On a qualitative basis, the numerical and experimental results show a close resemblance in threshold and spatial distribution of cavitation. These findings are crucial for developing new methods and technologies employing ultrasonically actuated fine needles, such as ultrasound-enhanced fine-needle biopsy, drug delivery, and histotripsy.
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Affiliation(s)
- Emanuele Perra
- Medical Ultrasonics Laboratory (MEDUSA), Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, 02150, Finland
| | - Nick Hayward
- Medical Ultrasonics Laboratory (MEDUSA), Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, 02150, Finland
| | - Kenneth P H Pritzker
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, M5S 1A8, Canada
| | - Heikki J Nieminen
- Medical Ultrasonics Laboratory (MEDUSA), Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, 02150, Finland
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8
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Frutos Díaz-Alejo J, Gonzalez Gomez I, Earl J. Ultrasounds in cancer therapy: A summary of their use and unexplored potential. Oncol Rev 2022; 16:531. [PMID: 35340884 PMCID: PMC8941342 DOI: 10.4081/oncol.2022.531] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 09/17/2021] [Indexed: 11/26/2022] Open
Abstract
Ultrasounds (US) are a non-ionizing mechanical wave, with less adverse effects than conventional pharmacological or surgical treatments. Different biological effects are induced in tissues and cells by ultrasound actuation depending on acoustic parameters, such as the wave intensity, frequency and treatment dose. This non-ionizing radiation has considerable applications in biomedicine including surgery, medical imaging, physical therapy and cancer therapy. Depending on the wave intensity, US are applied as high-intensity ultrasounds (HIUS) and low-intensity pulsed ultrasounds (LIPUS), with different effects on cells and tissues. HIUS produce thermal and mechanical effects, resulting in a large localized temperature increase, leading to tissue ablation and even tumor necrosis. This can be achieved by focusing low intensity waves emitted from different electrically shifted transducers, known as high-intensity focused ultrasounds (HIFU). LIPUS have been used extensively as a therapeutic, surgical and diagnostic tool, with diverse biological effects observed in tissues and cultured cells. US represent a non-invasive treatment strategy that can be applied to selected areas of the body, with limited adverse effects. In fact, tumor ablation using HIFU has been used as a curative treatment in patients with an early-stage pancreatic tumor and is an effective palliative treatment in patients with advanced stage disease. However, the biological effects, dose standardization, benefit-risk ratio and safety are not fully understood. Thus, it is an emerging field that requires further research in order to reach its full potential.
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9
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Mesci A, Gouran-Savadkoohi M, Ribeiro D, Dayes I, Lukka H, Schnarr K, Quan K, Goldberg M, Hallock A, Tsakiridis T. Salvage radiotherapy following HiFU: An institutional series and literature review. J Med Imaging Radiat Oncol 2022; 66:847-852. [PMID: 35170226 DOI: 10.1111/1754-9485.13384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 12/24/2021] [Accepted: 01/16/2022] [Indexed: 11/28/2022]
Abstract
INTRODUCTION Algorithms for the treatment of prostate cancer (PrCa) rely on risk grouping, and those who fall into low (LR) and favourable intermediate risk (FIR) categories have multiple options for treatment. High-intensity focused ultrasound (HiFU) is a local treatment modality that uses ultrasound waves to ablate prostate cancer. In case of treatment failure, optimal salvage modality after HiFU remains unclear. METHODS Here, we describe a retrospective review of our regional cancer database for men who underwent salvage radiotherapy after failure of HiFU treatment for prostate cancer. Oncologic and toxicity outcomes of the men identified in our database are discussed. RESULTS We identified 14 men in our regional database who received salvage radiotherapy (70-74 Gy with or without androgen deprivation therapy (ADT) after primary HiFU, in the period of 2009-2017. No cases of any grade 3 or higher toxicity were observed. In our cohort, 50% (7/14) of patients developed secondary biochemical failure at a median follow-up of 54 months post-radiotherapy, with a mean time to biochemical failure of 39 months. We compare our data to other available reports to date consisting mostly of small, non-randomized studies. Our biochemical control rates are noticeably lower compared with those reported by other studies but our length of follow-up is longer, compared with other studies. CONCLUSION The available data to date suggest that salvage radiotherapy after HiFU failure is well-tolerated albeit with only modest efficacy.
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Affiliation(s)
- Aruz Mesci
- Radiation Oncology, Juravinski Cancer Centre, Hamilton, Ontario, Canada.,Department of Oncology, McMaster University, Hamilton, Ontario, Canada.,Radiation Oncology, Walker Family Cancer Centre, Niagara Health System, St. Catherines, Ontario, Canada
| | | | - Derek Ribeiro
- Radiotherapy, Juravinski Cancer Centre, Hamilton Health Sciences Centre, Hamilton, Ontario, Canada
| | - Ian Dayes
- Radiation Oncology, Juravinski Cancer Centre, Hamilton, Ontario, Canada.,Department of Oncology, McMaster University, Hamilton, Ontario, Canada
| | - Himanshu Lukka
- Radiation Oncology, Juravinski Cancer Centre, Hamilton, Ontario, Canada.,Department of Oncology, McMaster University, Hamilton, Ontario, Canada
| | - Kara Schnarr
- Radiation Oncology, Juravinski Cancer Centre, Hamilton, Ontario, Canada.,Department of Oncology, McMaster University, Hamilton, Ontario, Canada
| | - Kimmen Quan
- Radiation Oncology, Juravinski Cancer Centre, Hamilton, Ontario, Canada.,Department of Oncology, McMaster University, Hamilton, Ontario, Canada
| | - Mira Goldberg
- Radiation Oncology, Juravinski Cancer Centre, Hamilton, Ontario, Canada.,Department of Oncology, McMaster University, Hamilton, Ontario, Canada
| | - Abhirami Hallock
- Radiation Oncology, Walker Family Cancer Centre, Niagara Health System, St. Catherines, Ontario, Canada
| | - Theodoros Tsakiridis
- Radiation Oncology, Juravinski Cancer Centre, Hamilton, Ontario, Canada.,Department of Oncology, McMaster University, Hamilton, Ontario, Canada.,Radiation Oncology, Walker Family Cancer Centre, Niagara Health System, St. Catherines, Ontario, Canada
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10
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Kaneko M, Lenon MSL, Storino Ramacciotti L, Medina LG, Sayegh AS, La Riva A, Perez LC, Ghoreifi A, Lizana M, Jadvar DS, Lebastchi AH, Cacciamani GE, Abreu AL. Multiparametric ultrasound of prostate: role in prostate cancer diagnosis. Ther Adv Urol 2022; 14:17562872221145625. [PMID: 36601020 PMCID: PMC9806443 DOI: 10.1177/17562872221145625] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 11/25/2022] [Indexed: 12/28/2022] Open
Abstract
Recent advances in ultrasonography (US) technology established modalities, such as Doppler-US, HistoScanning, contrast-enhanced ultrasonography (CEUS), elastography, and micro-ultrasound. The early results of these US modalities have been promising, although there are limitations including the need for specialized equipment, inconsistent results, lack of standardizations, and external validation. In this review, we identified studies evaluating multiparametric ultrasonography (mpUS), the combination of multiple US modalities, for prostate cancer (PCa) diagnosis. In the past 5 years, a growing number of studies have shown that use of mpUS resulted in high PCa and clinically significant prostate cancer (CSPCa) detection performance using radical prostatectomy histology as the reference standard. Recent studies have demonstrated the role mpUS in improving detection of CSPCa and guidance for prostate biopsy and therapy. Furthermore, some aspects including lower costs, real-time imaging, applicability for some patients who have contraindication for magnetic resonance imaging (MRI) and availability in the office setting are clear advantages of mpUS. Interobserver agreement of mpUS was overall low; however, this limitation can be improved using standardized and objective evaluation systems such as the machine learning model. Whether mpUS outperforms MRI is unclear. Multicenter randomized controlled trials directly comparing mpUS and multiparametric MRI are warranted.
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Affiliation(s)
- Masatomo Kaneko
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Urology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Maria Sarah L. Lenon
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Lorenzo Storino Ramacciotti
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Luis G. Medina
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Aref S. Sayegh
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Anibal La Riva
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Laura C. Perez
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Alireza Ghoreifi
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Maria Lizana
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Donya S. Jadvar
- Dornsife School of Letters and Science, University of Southern California, Los Angeles, CA, USA
| | - Amir H. Lebastchi
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Giovanni E. Cacciamani
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
- Department of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Andre Luis Abreu
- Center for Image-Guided Surgery, Focal Therapy, and Artificial Intelligence for Prostate Cancer, USC Institute of Urology and Catherine & Joseph Aresty
- Department of Urology, Keck School of Medicine, University of Southern California, 1441 Eastlake Ave, Suite 7416, Los Angeles, CA 90089, USADepartment of Radiology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
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11
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Multiparametric MRI and Radiomics in Prostate Cancer: A Review of the Current Literature. Diagnostics (Basel) 2021; 11:diagnostics11101829. [PMID: 34679527 PMCID: PMC8534893 DOI: 10.3390/diagnostics11101829] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/26/2021] [Accepted: 09/27/2021] [Indexed: 12/22/2022] Open
Abstract
Prostate cancer (PCa) represents the fourth most common cancer and the fifth leading cause of cancer death of men worldwide. Multiparametric MRI (mp-MRI) has high sensitivity and specificity in the detection of PCa, and it is currently the most widely used imaging technique for tumor localization and cancer staging. mp-MRI plays a key role in risk stratification of naïve patients, in active surveillance for low-risk patients, and in monitoring recurrence after definitive therapy. Radiomics is an emerging and promising tool which allows a quantitative tumor evaluation from radiological images via conversion of digital images into mineable high-dimensional data. The purpose of radiomics is to increase the features available to detect PCa, to avoid unnecessary biopsies, to define tumor aggressiveness, and to monitor post-treatment recurrence of PCa. The integration of radiomics data, including different imaging modalities (such as PET-CT) and other clinical and histopathological data, could improve the prediction of tumor aggressiveness as well as guide clinical decisions and patient management. The purpose of this review is to describe the current research applications of radiomics in PCa on MR images.
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Olooto WE, Oyelekan AA, Adewole OO, Fajobi AO, Adedo AA, Olasimbo O. Serum gonadotropins, cortisol, PSA, and micronutrient levels among men with prostate carcinoma. AFRICAN JOURNAL OF UROLOGY 2021. [DOI: 10.1186/s12301-021-00206-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Prostate cancer (PrCa) is a malignant tumour of the prostate that has many associated risk factors. There is continuous rise in the incidence among adult blacks which is a reflection of racial differences in testosterone concentrations.
Methods
The study involves 50 PrCa patients attending or referred to two tertiary health Institutions and 25 healthy men as controls. Weight and height of participants were measured, and body mass index (BMI) was calculated. Ten millilitres of venous blood sample was collected from each participant, allowed to clot, and then centrifuged at 5000 rpm for 5 min at room temperature (22–28 °C) to obtain the serum. Serum cortisol, testosterone, follicle-stimulating hormone (FSH), luteinizing hormone (LH), total prostate-specific antigen (TPSA), free prostate-specific antigen (FPSA), selenium, copper, magnesium, and zinc were determined. Prostate ultrasonography and biopsy were also done for histopathological studies.
Result
From this study, a significant increase (p < 0.05) in weight, BMI, serum FPSA, TPSA, and copper; a non-significant increase (p > 0.05) in serum cortisol, testosterone; a significant decrease (p < 0.05) in serum LH, selenium, zinc, and magnesium; and a non-significant decrease (p > 0.05) in serum FSH were observed among people living with PrCa when compared to the controls. However, no significant difference (p > 0.05) was observed in the height between the two groups. Ultrasonography and histology revealed evidence of prostatitis, hypertrophy, and carcinoma among the test group.
Conclusion
It can be concluded that PrCa is associated with increase serum cortisol, testosterone, and copper; and decreased serum LH, FSH, selenium, zinc, and magnesium concentrations and combination of biochemical, ultrasonographic, and histologic features are of diagnostic importance.
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Prostate Cancer Ultrasound: Is Still a Valid Tool? CURRENT RADIOLOGY REPORTS 2021. [DOI: 10.1007/s40134-021-00382-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Abstract
Purpose of Review
The main purpose of this paper review is to highlight the latest ultrasound (US) imaging technologies of the prostate gland, an organ increasingly at the center of attention in the field of oncological diseases of the male sex, which needs a 360° evaluation in order to obtain tailored therapeutic planning. Specialist urological evaluation is designated for this purpose, together with integrated prostate imaging which currently tends to focus more and more on the use of US imaging and its state-of-the-art technologies in iconographic diagnosis, biopsy and, sometimes, treatment of prostatic cancer.
Recent Findings
In particular, the main tools to which reference is made, represent a valid aid to basic US technologies already widely known and diffused, like the grayscale US or the Doppler US, for a "multiparametric" evaluation of the prostate cancer. The concept of multiparametricity is explained by the integration of prostate imaging obtained both with the US evaluation of the gland before and after administration of contrast medium, with the elaboration of parametric maps of quantitative measurement of the enhancement, and with elastography that provides information about the tissue consistency, a finding that strongly relates with the degree of cellularity and with the tumor grading.
Summary
Prostate cancer screening consists of dosing serum levels of prostate-specific antigen (PSA) and performing digit-rectal examination (DRE), more or less associated with transrectal prostate ultrasound (TRUS). However, although these are the most common techniques in clinical practice, they have numerous limitations and make the diagnosis of prostate cancer often challenging. The purpose of mp-US is to enrich the clinical-laboratory data and, above all, the standard US imaging with further details to strengthen the suspicion of malignancy of a prostate tumor, which needs to be addressed to diagnostic deepening with biopsy. This review article provides a summary of the current evidence on mp-US imaging in the evaluation of a clinically significant prostate cancer, comparing the data obtained to the imaging of mp-MRI, the reference tool both in diagnosis and staging.
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da Silva MACN, Manhães VPR, Gasparotto Júnior L, Tsukumo DML, Lalli CA. Pancytopenia as an initial manifestation of prostate cancer: a case report. J Med Case Rep 2021; 15:247. [PMID: 34006332 PMCID: PMC8132390 DOI: 10.1186/s13256-021-02843-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 04/02/2021] [Indexed: 01/04/2023] Open
Abstract
Background Prostate adenocarcinoma is the most frequent cancer type among men, followed by skin cancer. Patients with prostate cancer usually present lower urinary tract symptoms due to tumor involvement. Bone marrow invasion is associated with prostate cancer metastasis and is common if blastic lesions in bones are present but is very rare without a large bone involvement and uncommon as initial presentation. Case presentation We present a case of an 86-year-old Caucasian man with bone marrow invasion of prostate cancer without urological or bone-related symptoms and without prostate nodules. His findings were dyspnea, fatigue, and tachycardia. We detail the complete investigation of the case until we found the accurate diagnosis. The patient started treatment, but he had no response and so the oncology team started palliative care. Conclusion Bone marrow invasion as an initial manifestation of prostate cancer is not common, especially if no prostatic lesions are found. This report is important to provide additional information about prostate cancer management.
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Affiliation(s)
- Marcos Antonio Custódio Neto da Silva
- Faculty of Medical Science, Medical Residency Program in Internal Medicine, Clinical Hospital from State University of Campinas, Rua Tessália Vieira de Camargo, 126. Cidade Universitária Zeferino Vaz. CEP, 13083-887, Campinas, Sao Paulo, Brasil.
| | - Vitor Pimentel Rodrigues Manhães
- Faculty of Medical Science, Medical Residency Program in Internal Medicine, Clinical Hospital from State University of Campinas, Rua Tessália Vieira de Camargo, 126. Cidade Universitária Zeferino Vaz. CEP, 13083-887, Campinas, Sao Paulo, Brasil
| | - Luadir Gasparotto Júnior
- Faculty of Medical Science, Medical Residency Program in Internal Medicine, Clinical Hospital from State University of Campinas, Rua Tessália Vieira de Camargo, 126. Cidade Universitária Zeferino Vaz. CEP, 13083-887, Campinas, Sao Paulo, Brasil
| | - Daniela Miti Lemos Tsukumo
- Faculty of Medical Science, Medical Residency Program in Internal Medicine, Clinical Hospital from State University of Campinas, Rua Tessália Vieira de Camargo, 126. Cidade Universitária Zeferino Vaz. CEP, 13083-887, Campinas, Sao Paulo, Brasil
| | - Cristina Alba Lalli
- Faculty of Medical Science, Medical Residency Program in Internal Medicine, Clinical Hospital from State University of Campinas, Rua Tessália Vieira de Camargo, 126. Cidade Universitária Zeferino Vaz. CEP, 13083-887, Campinas, Sao Paulo, Brasil
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Initial phantom studies for an office-based low-field MR system for prostate biopsy. Int J Comput Assist Radiol Surg 2021; 16:741-748. [PMID: 33891253 PMCID: PMC8134310 DOI: 10.1007/s11548-021-02364-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Accepted: 04/01/2021] [Indexed: 11/25/2022]
Abstract
Purpose Prostate cancer is the second most prevalent cancer in US men, with about 192,000 new cases and 33,000 deaths predicted for 2020. With only a 31% 5-year survival rate for patients with an initial diagnosis of stage-four prostate cancer, the necessity for early screening and diagnosis is clear. In this paper, we present navigation accuracy results for Promaxo’s MR system intended to be used in a physician’s office for image-guided transperineal prostate biopsy. Methods The office-based low-field MR system was used to acquire images of prostate phantoms with needles inserted through a transperineal template. Coordinates of the estimated sample core locations in the office-based MR system were compared to ground truth needle coordinates identified in a 1.5T external reference scan. The error was measured as the distance between the planned target and the ground truth core center and as the shortest perpendicular distance between the planned target and the ground truth trajectory of the whole core. Results The average error between the planned target and the ground truth core center was 2.57 ± 1.02 mm, [1.93–3.21] 95% CI. The average error between the planned target to the actual core segment was 2.05 ± 1.24 mm, [1.53–2.56] 95% CI. Conclusion The average navigation errors were below the clinically significant threshold of 5 mm. The initial phantom results demonstrate the feasibility of the office-based system for prostate biopsy.
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Royce PL, Ooi JJ, Sothilingam S, Yao HH. Survival and quality of life outcomes of high-intensity focused ultrasound treatment of localized prostate cancer. Prostate Int 2020; 8:85-90. [PMID: 32647645 PMCID: PMC7335960 DOI: 10.1016/j.prnil.2019.12.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 10/25/2019] [Accepted: 12/09/2019] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND To evaluate the survival and quality of life (QoL) outcomes of high-intensity focused ultrasound (HIFU) whole-gland ablation for localized prostate cancer. METHODS Over 8 years, men with localized prostate cancer treated with whole-gland HIFU were prospectively followed. Transrectal prostate ablation was performed under general anesthesia with Sonablate-500® (Sonacare Medical©, Charlotte, North Carolina, USA). The primary outcome was failure-free survival defined as no transition to any of the following: (1) local salvage therapy (surgery or radiotherapy), (2) systemic therapy, (3) metastases, or (4) prostate cancer-specific mortality. Secondary outcomes included both survival outcomes and QoL measures. RESULTS Of 70 men, 29.7% had International Society of Urological Pathology (ISUP) grade 1, 43.8% ISUP 2, 10.9% ISUP 3, and 15.6% ISUP 4 disease. At median follow-up of 83.4 months, overall mortality was 8.6% and prostate cancer-specific mortality 0%. Failure-free survival was 78.2% at 5 years and 71.2% at 7 years. Of all men, 7.1% of men developed metastases, with median metastasis-free survival of 75.4 months. There was negligible post-HIFU urinary incontinence or lower urinary tract symptom with a median Male Urogenital Distress Inventory score of 32 at 6 months and 33 at 12 months and median IPSS of 4 at 6 months and 3 at 12 months. Median Radiation Therapy Oncology Group rectal toxicity score was 0 throughout. In men who had mild or no erectile dysfunction at baseline (International Index of Erectile Function ≥17), the mean International Index of Erectile Function score declined to 37% from 23.5 at baseline to 14.7 at 12 months. CONCLUSION At median follow-up of 7 years, whole-gland HIFU appears to have comparable survival outcomes with other cohort studies involving radical prostatectomy and radiotherapy patient. It has low impact on QoL, preserved urinary continence, and erectile function approximate to nerve-sparing prostatectomy. Whole-gland HIFU presents a potential alternative minimally invasive and safe option for the treatment of localized prostate cancer.
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Affiliation(s)
- Peter L. Royce
- Department of Urology, Alfred Health, Melbourne, Victoria, Australia
- Urology Associates, Cabrini Health, Malvern, Victoria, Australia
| | - James J.Y. Ooi
- Department of Urology, Alfred Health, Melbourne, Victoria, Australia
| | | | - Henry H. Yao
- Department of Urology, Alfred Health, Melbourne, Victoria, Australia
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Jadvar H. Radiotheranostics in Prostate Cancer: Introduction and Overview. J Nucl Med 2016; 57:1S-2S. [DOI: 10.2967/jnumed.116.183517] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 09/01/2016] [Indexed: 12/17/2022] Open
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