keyword
MENU ▼
Read by QxMD icon Read
search

Prostate MRI

keyword
https://www.readbyqxmd.com/read/27933280/bone-imaging-in-prostate-cancer-the-evolving-roles-of-nuclear-medicine-and-radiology
#1
REVIEW
Gary J R Cook, Gurdip Azad, Anwar R Padhani
The bone scan continues to be recommended for both the staging and therapy response assessment of skeletal metastases from prostate cancer. However, it is widely recognised that bone scans have limited sensitivity for disease detection and is both insensitive and non-specific for determining treatment response, at an early enough time point to be clinically useful. We, therefore, review the evolving roles of nuclear medicine and radiology for this application. We have reviewed the published literature reporting recent developments in imaging bone metastases in prostate cancer, and provide a balanced synopsis of the state of the art...
2016: Clinical and Translational Imaging: Reviews in Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/27927229/evaluation-of-tumor-recurrences-after-radical-prostatectomy-using-18f-choline-pet-ct-and-3t-multiparametric-mri-without-endorectal-coil-a-single-center-experience
#2
Felipe Couñago, Manuel Recio, Antonio Maldonado, Elia Del Cerro, Ana Aurora Díaz-Gavela, Israel J Thuissard, David Sanz-Rosa, Francisco José Marcos, Karmele Olaciregui, María Mateo, Laura Cerezo
BACKGROUND: To evaluate and compare the utility of 18F-fluorocholine (18F-CH) PET/CT versus 3-Tesla multiparametric MRI (mpMRI) without endorectal coil to detect tumor recurrences in patients with biochemical relapse following radical prostatectomy (RP). Secondarily, to identify possible prognostic variables associated with mpMRI and 18F-CH PET/CT findings. METHODS: Retrospective study of 38 patients who developed biochemical recurrence after RP between the years 2011 and 2015 at our institution...
December 7, 2016: Cancer Imaging: the Official Publication of the International Cancer Imaging Society
https://www.readbyqxmd.com/read/27921275/preoperative-characteristics-of-the-p-r-o-s-t-a-t-e-scores-a-novel-predictive-tool-for-the-risk-of-positive-surgical-margin-after-radical-prostatectomy
#3
Ben Xu, Cheng Luo, Qian Zhang, Jie Jin
OBJECTIVES: To propose a novel scoring system to predict the risk of positive surgical margin (PSM) after radical prostatectomy (RP) in prostate cancer (PCa) patients. MATERIALS AND METHODS: Eight reproducible variables available from preoperative characteristics of PCa patients were measured: PSA level (P), ratio of positive biopsy needles (R), obesity (O), scores of Gleason (S), T stage by preoperative MRI scan (T), age (A), tumor volume (T) and experience of the surgeon (E)...
December 5, 2016: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/27919668/magnetic-resonance-imaging-provides-added-value-to-the-prostate-cancer-prevention-trial-risk-calculator-for-patients-with-estimated-risk-of-high-grade-prostate-cancer-less-than-or-equal-to-10
#4
Eric H Kim, John K Weaver, Anup S Shetty, Joel M Vetter, Gerald L Andriole, Seth A Strope
OBJECTIVES: To determine the added value of prostate MRI to the Prostate Cancer Prevention Trial risk calculator. METHODS: Between January 2012 and December 2015, 339 patients underwent prostate MRI prior to biopsy at our institution. MRI was considered positive if there was at least one Prostate Imaging Reporting and Data System 4 or 5 MRI suspicious region. Logistic regression was used to develop two models: biopsy outcome as a function of the 1) Prostate Cancer Prevention Trial risk calculator alone, and 2) combined with MRI findings...
December 2, 2016: Urology
https://www.readbyqxmd.com/read/27919653/transperineal-biopsies-of-mri-detected-aggressive-index-lesions-in-low-%C3%A2-and-intermediate-risk-prostate-cancer-patients-implications-for-treatment-decision
#5
A Gomez-Iturriaga, F Casquero, J I Lopez, A Urresola, A Ezquerro, D Buscher, P Bilbao, J Crook
PURPOSE: Multiparametric MRI (mpMRI) has a potential role for the identification of aggressive cancer that can be targeted for biopsy. We report the incidence and severity of discordant information between the pathology found on the transrectal ultrasound (TRUS)-guided biopsy and the mpMRI findings in patients with favorable or intermediate-risk prostate cancer referred for brachytherapy. METHODS AND MATERIALS: From March 2014 to September 2015, 10/44 consecutive patients with low- or intermediate-risk prostate cancer referred for brachytherapy presented an aggressive lesion on mpMRI and underwent an MRI-TRUS fusion-guided transperineal biopsy of the index lesion...
December 2, 2016: Brachytherapy
https://www.readbyqxmd.com/read/27916416/dosimetric-feasibility-of-ablative-dose-escalated-focal-monotherapy-with-mri-guided-high-dose-rate-hdr-brachytherapy-for-prostate-cancer
#6
Ali Hosni, Marco Carlone, Alexandra Rink, Cynthia Ménard, Peter Chung, Alejandro Berlin
PURPOSE: To determine the dosimetric feasibility of dose-escalated MRI-guided high-dose-rate brachytherapy (HDR-BT) focal monotherapy for prostate cancer (PCa). METHODS: In all patients, GTV was defined with mpMRI, and deformably registered onto post-catheter insertion planning MRI. PTV included the GTV plus 9mm craniocaudal and 5mm in every other direction. In discovery-cohort, plans were obtained for each PTV independently aiming to deliver ⩾16.5Gy/fraction (two fraction schedule) while respecting predefined organs-at-risk (OAR) constraints or halted when achieved equivalent single-dose plan (24Gy)...
December 1, 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/27908678/avoidance-of-late-rectal-toxicity-after-high-dose-rate-brachytherapy-boost-treatment-for-prostate-cancer
#7
Borut Kragelj, Jernej Zlatic, Lijana Zaletel-Kragelj
PURPOSE: To elucidate potential risk factors important for the appearance of late rectal toxicity (LRT) after high-dose-rate boost treatment (HDRBT) of prostate cancer and to validate the predictive value of the minimal dose to the most exposed 2 cc of rectum received with HDRBT (D2ccrect). METHODS AND MATERIALS: The study of LRT, defined as relative deterioration of defecation problems (RDDP) (stool frequency, pain, rectal bleeding, fecal urgency, and incontinence) during follow-up period, was carried out on 88 patients, consecutively treated from October 2006 through April 2011 with HDRBT of 3 × 6-7 Gy to 50-50...
November 28, 2016: Brachytherapy
https://www.readbyqxmd.com/read/27908186/image-guided-prostate-brachytherapy-should-be-mri-based
#8
R Jason Stafford, Ivan A Brezovich
No abstract text is available yet for this article.
December 2016: Medical Physics
https://www.readbyqxmd.com/read/27906443/letter-to-the-editor-unenhanced-whole-body-mri-versus-pet-ct-for-the-detection-of-prostate-cancer-metastases-after-primary-treatment
#9
C D'Aniello, C Cavaliere, F Fiorica, G Facchini
No abstract text is available yet for this article.
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27900453/incidence-grade-and-distribution-of-prostate-cancer-following-transperineal-template-guided-mapping-biopsy-in-patients-with-atypical-small-acinar-proliferation
#10
Gregory S Merrick, Robert W Galbreath, Abbey Bennett, Wayne M Butler, Edward Amamovich
PURPOSE: To evaluate the role of transperineal template-guided mapping biopsy (TTMB) in patients with atypical small acinar proliferation (ASAP) diagnosed via transrectal ultrasound-guided needle biopsy (TRUS). METHODS: In total, 132 consecutive patients with TRUS-diagnosed ASAP underwent TTMB by means of an anatomic-based technique with sampling of 24 biopsy regions. For each of the 24 regions, 1-3 biopsy cores were obtained (depending on prostate size). No patient underwent pre-biopsy MRI imaging...
November 29, 2016: World Journal of Urology
https://www.readbyqxmd.com/read/27900214/are-magnetic-resonance-imaging-undetectable-prostate-tumours-clinically-significant-results-of-histopathological-analyses
#11
Kristian D Stensland, Karl Coutinho, Adele R Hobbs, Lindsay Haines, Shemille A Collingwood, Young Suk Kwon, Simon J Hall, Maria Katsigeorgis, Seyed Behzad Jazayeri, David B Samadi
OBJECTIVE: To investigate whether tumours at threshold values for detection on magnetic resonance imaging (MRI) represent clinically significant tumours or not, and therefore the utility of MRI in active surveillance (AS) protocols. PATIENTS AND METHODS: A retrospective analysis of a single institution database was performed after Institutional Review Board approval. Between 2010 and 2013, 1633 patients underwent robot-assisted laparoscopic prostatectomy (RALP) at a single institution by a single surgeon...
December 2016: Arab Journal of Urology
https://www.readbyqxmd.com/read/27895684/investigation-of-the-gold-nanoparticles-effects-on-the-prostate-dose-distribution-in-brachytherapy-gel-dosimetry-and-monte-carlo-method
#12
Hossein Khosravi, Bijan Hashemi, Faezeh Rahmani, Ahmad Ebadi
PURPOSE: In this work, gold nanoparticles (GNPs) were embedded in the MAGIC-f polymer gel irradiated with the (192)Ir brachytherapy sources. MATERIAL AND METHODS: At the first plexiglas phantom was made as the human pelvis. The GNPs were synthesized with 15 nm in diameter and 0.1 mM (0.0197 mg/ml) in concentration by using a chemical reduction method. Then, the MAGIC-f gel was synthesized. The fabricated gel was poured into the tubes located at the prostate (with and without the GNPs) locations of the phantom...
October 2016: Journal of Contemporary Brachytherapy
https://www.readbyqxmd.com/read/27882770/focal-therapy-as-primary-treatment-for-localized-prostate-cancer-definition-needs-and-future
#13
Adil Ouzzane, Nacim Betrouni, Massimo Valerio, Ardeshir Rastinehad, Pierre Colin, Guillaume Ploussard
Focal therapy (FT) may offer a promising treatment option in the field of low to intermediate risk localized prostate cancer. The aim of this concept is to combine minimal morbidity with cancer control as well as maintain the possibility of retreatment. Recent advances in MRI and targeted biopsy has improved the diagnostic pathway of prostate cancer and increased the interest in FT. However, before implementation of FT in routine clinical practice, several challenges are still to overcome including patient selection, treatment planning, post-therapy monitoring and definition of oncologic outcome surrogates...
November 24, 2016: Future Oncology
https://www.readbyqxmd.com/read/27882307/metabolic-imaging-in-prostate-cancer-where-we-are
#14
REVIEW
Claudia Testa, Cristian Pultrone, David Neil Manners, Riccardo Schiavina, Raffaele Lodi
In recent years, the development of diagnostic methods based on metabolic imaging has been aimed at improving diagnosis of prostate cancer (PCa) and perhaps at improving therapy. Molecular imaging methods can detect specific biological processes that are different when detected within cancer cells relative to those taking place in surrounding normal tissues. Many methods are sensitive to tissue metabolism; among them, positron emission tomography (PET) and magnetic resonance spectroscopic imaging (MRSI) are widely used in clinical practice and clinical research...
2016: Frontiers in Oncology
https://www.readbyqxmd.com/read/27882057/robotic-assisted-laparoscopic-prostatectomy-performed-after-previous-suprapubic-prostatectomy
#15
Johnson F Tsui, Michael Feuerstein, Seyed Behzad Jazayeri, David B Samadi
Operative management of prostate cancer in a patient who has undergone previous open suprapubic simple prostatectomy poses a unique surgical challenge. Herein, we describe a case of intermediate risk prostate cancer in a man who had undergone simple prostatectomy ten years prior to presentation. The patient was found to have Gleason 7 prostate cancer on MRI fusion biopsy of the prostate for elevated PSA and underwent an uncomplicated robot assisted laparoscopic radical prostatectomy.
2016: Case Reports in Medicine
https://www.readbyqxmd.com/read/27879490/intense-uptake-in-amyloidosis-of-the-seminal-vesicles-on-68ga-psma-pet-mimicking-locally-advanced-prostate-cancer
#16
Maximilian Stephens, David Insoo Kim, Benjamin Shepherd, Sonja Gustafson, Paul Thomas
We report a case of benign senile seminal vesicle amyloidosis demonstrating intense Ga-prostate-specific membrane antigen (PSMA) uptake on PET/CT. A 68-year-old man underwent staging PSMA PET/CT and MRI for biopsy-proven prostate adenocarcinoma. There was an intense focus of Ga-PSMA uptake in the primary malignancy, as well as symmetrical intense uptake in the seminal vesicles bilaterally that was reported as multifocal disease with local invasion. Final histology after radical prostatectomy showed amyloidosis of the seminal vesicles without any evidence of prostate cancer...
November 22, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27879488/18f-naf-pet-demonstrating-unusual-focal-tracer-activity-in-the-brain
#17
Anuradha Thenkondar, Lida Jafari, Robbie Sooriash, Fereshteh Hajsadeghi, Gholam R Berenji, Yuxin Li
A 60-year-old man with enlarged prostate, hypertension, and diabetes was referred for F-NaF PET/CT to evaluate possible metastatic lesions. The patient appeared asymptomatic on the day of the study, without any signs indicating stroke. Patient also had no known history of malignancy or cerebrovascular disease. He had mild elevation of the prostate-specific antigen level, and biopsy of his prostate was not performed. Patient had long-standing history of chronic back pain and abdominal pain. The PET bone scan demonstrated a large area of very intense tracer uptake in the brain...
November 22, 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27878505/incidence-of-seizure-in-adult-patients-with-intracranial-metastatic-disease
#18
Vivien Chan, Arjun Sahgal, Peter Egeto, Tom Schweizer, Sunit Das
Seizures have considerable impact on a patient's quality of life. While guidelines have been articulated to direct clinicians in their management of patients with IMD who suffer from seizure, there have been few attempts to identify the seizure rate in IMD and to determine which primary cancers may be associated with an increased seizure incidence. To determine the incidence of seizure in patients with IMD. A systematic review on seizure incidence in patients with IMD from the magnetic resonance imaging (MRI) era was performed...
November 22, 2016: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/27878049/prostate-volume-estimations-using-magnetic-resonance-imaging-and-transrectal-ultrasound-compared-to-radical-prostatectomy-specimens
#19
Nicholas R Paterson, Luke T Lavallée, Laura N Nguyen, Kelsey Witiuk, James Ross, Ranjeeta Mallick, Wael Shabana, Blair MacDonald, Nicola Scheida, Dean Fergusson, Franco Momoli, Sonya Cnossen, Christopher Morash, Ilias Cagiannos, Rodney H Breau
INTRODUCTION: We sought to evaluate the accuracy of prostate volume estimates in patients who received both a preoperative transrectal ultrasound (TRUS) and magnetic resonance imaging (MRI) in relation to the referent pathological specimen post-radical prostatectomy. METHODS: Patients receiving both TRUS and MRI prior to radical prostatectomy at one academic institution were retrospectively analyzed. TRUS and MRI volumes were estimated using the prolate ellipsoid formula...
August 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/27872986/prostate-zonal-volumetry-as-a-predictor-of-clinical-outcomes-for-prostate-artery-embolization
#20
André Moreira de Assis, Macello Sampaio Maciel, Airton Mota Moreira, Vanessa Cristina de Paula Rodrigues, Alberto Azoubel Antunes, Miguel Srougi, Giovanni Guido Cerri, Francisco Cesar Carnevale
PURPOSE: To determine prostate baseline zonal volumetry and correlate these findings with clinical outcomes for patients who underwent prostate artery embolization (PAE) for lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH). MATERIALS AND METHODS: This is a retrospective study that included patients treated by PAE from 2010 to 2014. Baseline and 6-month follow-up evaluations included prostate MRI with whole prostate (WP) and central gland (CG) volume measurements-as well as prostate zonal volumetry index (ZVi) calculation, defined as the CG/WP volumes relation-the International Prostate Symptom Score (IPSS), and the Quality of life (QoL) index...
November 21, 2016: Cardiovascular and Interventional Radiology
keyword
keyword
7558
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"