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genitourinary pathology

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https://www.readbyqxmd.com/read/29204452/recurrent-lactobacillus-bacteremia-in-a-patient-with-leukemia
#1
Paurush Ambesh, Sarah Stroud, Eva Franzova, Joseph Gotesman, Kavita Sharma, Lawrence Wolf, Stephan Kamholz
Lactobacillus species are a commensal flora of the human gastrointestinal and the female genitourinary tract. Lactobacilli especially the rhamnosus species, are common components of commercial probiotics. They are rarely associated with pathology in immunocompetent people, but they have been known to cause dental caries, bacteremia, and endocarditis in patients with suppressed immune function. Cases of Lactobacillus bacteremia have been reported in patients with acute myeloid leukemia, large granular lymphocytic leukemia, and in transplant recipients...
October 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/29178983/hypofractionated-radiotherapy-for-prostate-cancer-in-the-postoperative-setting-what-is-the-evidence-so-far
#2
REVIEW
Cristina Picardi, Ioan Perret, Raymond Miralbell, Thomas Zilli
Postoperative external beam radiation therapy (EBRT) is a validated treatment option in the adjuvant setting for prostate cancer patients with aggressive pathological features following radical prostatectomy (RP) or as salvage modality in patients with biochemical recurrence after RP. Contemporary randomized phase III trials have provided evidence for using hypofractionation in the definitive treatment setting as an alternative to standard fractionated regimens. Biomathematical modeling for prostate cancer fractionated EBRT associated with widely available refined treatment delivery techniques such as volumetric modulated-arc therapy with image-guided RT may improve the therapeutic ratio...
November 14, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29163763/pd-l1-expression-and-cd8-tumor-infiltrating-lymphocytes-are-associated-with-alk-rearrangement-and-clinicopathological-features-in-inflammatory-myofibroblastic-tumors
#3
Yoon Jin Cha, Hyo Sup Shim
Background: Inflammatory myofibroblastic tumors (IMTs) are rare mesenchymal neoplasms that are composed of myofibroblastic cells accompanied by inflammatory infiltrate. We investigated the immune profiles of IMTs, including PD-L1 expression and proportion of CD8+ tumor-infiltrating lymphocytes (TILs), as well as its clinicopathological characteristics according to ALK gene rearrangementstatus. Methods: Twenty-eight IMTs from 25 patients were retrieved from our pathology files (2005-2015), and their clinicopathological parameters and outcomes were analyzed...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29152215/ozone-therapy-an-overview-of-pharmacodynamics-current-research-and-clinical-utility
#4
REVIEW
Noel L Smith, Anthony L Wilson, Jason Gandhi, Sohrab Vatsia, Sardar Ali Khan
The use of ozone (O3) gas as a therapy in alternative medicine has attracted skepticism due to its unstable molecular structure. However, copious volumes of research have provided evidence that O3's dynamic resonance structures facilitate physiological interactions useful in treating a myriad of pathologies. Specifically, O3 therapy induces moderate oxidative stress when interacting with lipids. This interaction increases endogenous production of antioxidants, local perfusion, and oxygen delivery, as well as enhances immune responses...
July 2017: Medical Gas Research
https://www.readbyqxmd.com/read/29142340/clinical-pearls-etiologies-of-superscan-appearance-on-fluorine-18-fludeoxyglucose-positron-emission-tomography-computed-tomography
#5
REVIEW
John Joseph Manov, Patrick J Roth, Russ Kuker
The term "superscan" usually refers to a characteristic pattern on skeletal scintigraphy consisting of symmetrically intense and diffuse radiotracer uptake in the skeleton with absent or diminished visualization of the genitourinary system and soft tissues. Superscans and superscan-like appearances have also been described on fluorine-18-fludeoxyglucose positron emission tomography-computed tomography (18-F-FDG PET/CT). We review reported cases of 18-F-FDG PET/CT superscans and propose criteria for differentiating pathologic superscans from physiologic causes...
October 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/29131764/nongynecologic-findings-seen-at-pelvic-us
#6
Akram M Shaaban, Maryam Rezvani, Jeffrey D Olpin, Anne M Kennedy, Ayman H Gaballah, Bryan R Foster, Christine O Menias, Khaled M Elsayes
Ultrasonography (US) is frequently the first imaging modality used to examine women with symptoms involving the pelvis. It is widely available and involves no exposure to ionizing radiation. Images can be acquired with a transabdominal, endovaginal, or translabial approach, and the use of video clips and three-dimensional reconstructions can be helpful. US is excellent for assessment of the uterus, ovaries, and adnexa. Occasionally, nongynecologic pelvic diseases arising from the gastrointestinal, genitourinary, and musculoskeletal systems and the pelvic peritoneal and extraperitoneal spaces may be detected and can be a source of diagnostic dilemma...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29098915/neuro-urological-sequelae-of-lumbar-spinal-stenosis
#7
Jason Gandhi, Janki Shah, Gargi Joshi, Sohrab Vatsia, Andrew DiMatteo, Gunjan Joshi, Noel L Smith, Sardar Ali Khan
PURPOSE: Lumbar spinal stenosis is characterized by the narrowing of the spinal canal, which subsequently induces impingement of neural elements in the lumbar spine. Thus, symptoms of lumbar spinal stenosis are typically associated with damage to those neural elements. Herewith, we target the genitourinary symptoms of lumbar spinal stenosis and the importance of differentiating these symptoms from other genitourinary pathologies, namely benign prostatic hyperplasia. MATERIALS AND METHODS: MeSH and keywords relevant to lumbar spinal stenosis and the organs of the urinary tract were used to a guide a literature search on MEDLINE...
December 4, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29082627/gastrointestinal-and-feeding-difficulties-in-charge-syndrome-a-review-from-head-to-toe
#8
REVIEW
Kim D Blake, Alexandra S Hudson
CHARGE syndrome is an autosomal dominant genetic condition that is primarily diagnosed based on clinical features, with genetic testing available for confirmation. The CHARGE mnemonic stands for some of the common characteristics: coloboma, heart defects, atresia/stenosis of the choanae, retardation of growth/development, genitourinary anomalies, and ear abnormalities (CHARGE). However, many of the common clinical features are not captured by this mnemonic, including cranial nerve dysfunction, considered by some to be one of the major diagnostic criteria...
October 30, 2017: American Journal of Medical Genetics. Part C, Seminars in Medical Genetics
https://www.readbyqxmd.com/read/29053402/what-are-we-missing-false-negative-cancers-at-multiparametric-mr-imaging-of-the-prostate
#9
Samuel Borofsky, Arvin K George, Sonia Gaur, Marcelino Bernardo, Matthew D Greer, Francesca V Mertan, Myles Taffel, Vanesa Moreno, Maria J Merino, Bradford J Wood, Peter A Pinto, Peter L Choyke, Baris Turkbey
Purpose To characterize clinically important prostate cancers missed at multiparametric (MP) magnetic resonance (MR) imaging. Materials and Methods The local institutional review board approved this HIPAA-compliant retrospective single-center study, which included 100 consecutive patients who had undergone MP MR imaging and subsequent radical prostatectomy. A genitourinary pathologist blinded to MP MR findings outlined prostate cancers on whole-mount pathology slices. Two readers correlated mapped lesions with reports of prospectively read MP MR images...
October 20, 2017: Radiology
https://www.readbyqxmd.com/read/29037023/simultaneous-integrated-boost-intensity-modulated-radiotherapy-versus-3-dimensional-conformal-radiotherapy-in-preoperative-concurrent-chemoradiotherapy-for-locally-advanced-rectal-cancer
#10
Bong Kyung Bae, Min Kyu Kang, Jae-Chul Kim, Mi Young Kim, Gyu-Seog Choi, Jong Gwang Kim, Byung Woog Kang, Hye Jin Kim, Soo Yeun Park
PURPOSE: To evaluate the feasibility of simultaneous integrated boost intensity-modulated radiotherapy (SIB-IMRT) for preoperative concurrent chemoradiotherapy (PCRT) in locally advanced rectal cancer (LARC), by comparing with 3-dimensional conformal radiotherapy (3D-CRT). MATERIALS AND METHODS: Patients who were treated with PCRT for LARC from 2015 January to 2016 December were retrospectively enrolled. Total doses of 45 Gy to 50.4 Gy with 3D-CRT or SIB-IMRT were administered concomitantly with 5-fluorouracil plus leucovorin or capecitabine...
September 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/29024404/removal-of-sacral-nerve-stimulation-devices-for-magnetic-resonance-imaging-what-happens-next
#11
Jessica C Lloyd, Bradley C Gill, Javier Pizarro-Berdichevsky, Howard B Goldman
INTRODUCTION: Sacral neuromodulation (SNM) devices (Medtronic, Minneapolis, MN, USA) are not approved to undergo magnetic resonance imaging (MRI) of sites other than the head. When MRIs are required, devices are often removed prior to imaging. We reviewed the prevalence of device removal for MRI at a large academic institution and the subsequent clinical course of these patients. METHODS: A retrospective review of all SNM explants from 2009-2015 was performed. Cases explanted for MRI were analyzed to collect demographics, clinical characteristics, and postremoval management...
October 11, 2017: Neuromodulation: Journal of the International Neuromodulation Society
https://www.readbyqxmd.com/read/28976334/super-scan-caused-by-parathyroid-carcinoma-observed-both-in-18-f-fdg-pet-ct-scan-and-tc-99m-mdp-bone-scintigraphy
#12
İsa Burak Güney, Semra Paydaş, Hüseyin Tuğsan Ballı
Super scan is a well-known finding described in skeletal scintigraphy characterized by uniform symmetrically increased radiopharmaceutical uptake by bones and consequently diminished renal parenchymal activity. Sy et al. hypothesized that the faint visualization of renal cortex in bone scintigraphy might be the result of increased uptake of radiopharmaceutical by pathologic bones and reduced phosphate excretion. The super scan on (18)F-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) has been observed in various conditions such as prostate cancer, lung cancer, renal adenocarcinoma, gastric cancer and primitive neuroectodermal tumor of the kidney...
October 3, 2017: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/28969759/sentinel-lymph-node-biopsy-procedures
#13
REVIEW
Valeria M Moncayo, Adina L Alazraki, Naomi P Alazraki, John N Aarsvold
Accurate staging of many cancers with no clinical evidence of lymph node involvement is often a critical component of the management of such cancers and is generally and historically accomplished by accurate pathological assessment of multiple nodes. Unfortunately, such assessment usually involves excision of the multiple nodes and can result in significant morbidities. Over the past half century, and particularly over the last quarter century, investigators have defined and refined the "sentinel lymph node(s)" concept and have developed and investigated sentinel lymph node biopsy (SLNB) procedures...
November 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28905666/second-opinion-expert-pathology-review-in-bladder-cancer-implications-for-patient-care
#14
Jennifer Gordetsky, Robin Collingwood, Win Shun Lai, Maria Del Carmen Rodriquez Pena, Soroush Rais-Bahrami
OBJECTIVES: To review bladder specimens referred to our facility for secondary review to determine the frequency and degree of changes in pathological diagnoses, which could affect patient care. METHODS: A retrospective review of 246 bladder specimens sent to our pathology department for second opinion pathological review was performed. All consultation specimens were reviewed by a single genitourinary (GU)-subspecialized surgical pathologist. Any changes in the pathological grade, stage, or histological tumor type were noted as well as patient demographic data...
September 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28853814/magnetic-resonance-imaging-and-clinical-findings-in-seminal-vesicle-pathologies
#15
Zafer Ozmen, Fatma Aktas, Nihat Uluocak, Eda Albayrak, Ayşegül Altunkaş, Fatih Çelikyay
PURPOSE: Congenital and acquired pathologies of the seminal vesicles (SV) are rare diseases. The diagnosis of SV anomalies is frequently delayed or wrong due to the rarity of these diseases and the lack of adequate evaluation of SV pathology. For this reason, we aimed to comprehensively evaluate SV pathologies and accompanying genitourinary system abnormalities. MATERIALS AND METHODS: Between March 2012 and December 2015, 1455 male patients with different provisional diagnosis underwent MRI...
August 30, 2017: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/28840857/detection-of-6-tfeb-amplified-renal-cell-carcinomas-and-25-renal-cell-carcinomas-with-mitf-translocations-systematic-morphologic-analysis-of-85-cases-evaluated-by-clinical-tfe3-and-tfeb-fish-assays
#16
Stephanie L Skala, Hong Xiao, Aaron M Udager, Saravana M Dhanasekaran, Sudhanshu Shukla, Yang Zhang, Carrie Landau, Lina Shao, Diane Roulston, Lisha Wang, Javed Siddiqui, Xuhong Cao, Cristina Magi-Galluzzi, Miao Zhang, Adeboye O Osunkoya, Steven C Smith, Jesse K McKenney, Bryan L Betz, Jeffrey L Myers, Arul M Chinnaiyan, Scott A Tomlins, Rohit Mehra
Renal cell carcinomas with MITF aberrations demonstrate a wide morphologic spectrum, highlighting the need to consider these entities within the differential diagnosis of renal tumors encountered in clinical practice. Herein, we describe our experience with application of clinical fluorescence in situ hybridization (FISH) assays for detection of TFE3 and TFEB gene aberrations from 85 consecutive renal cell carcinoma cases submitted to our genitourinary FISH service. Results from 170 FISH assays performed on these tumors were correlated with available clinicopathologic findings...
August 25, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28831375/airway-fibroepithelial-polyposis
#17
Gonzalo Labarca, Ivan Caviedes, Macarena R Vial, Yumay Pires, Erik Folch, Adnan Majid, Sebastian Fernandez-Bussy
Fibroepithelial polyps are benign lesions, frequently found in the skin and genitourinary tract. Airway involvement is rare, and few case reports have been published. Our patient was a 79 y.o. male smoker, who was referred to us with a 3-month history of dry cough. At physical examination, the patient looked well, but a chest CT showed a 6-mm polyp lesion in his trachea. A flexible bronchoscopy confirmed this lesion, and forceps biopsies were performed. Argon plasma coagulation was used to completely resect and treat the lesion...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28767283/precursor-lesions-of-urologic-malignancies
#18
Francesca Khani, Brian D Robinson
CONTEXT: - Precursor lesions of urologic malignancies are established histopathologic entities, which are important not only to recognize for clinical purposes, but also to further investigate at the molecular level, in order to gain a better understanding of the pathogenesis of these malignancies. OBJECTIVE: - To provide a brief overview of precursor lesions to the most common malignancies that develop within the genitourinary tract with a focus on their clinical implications, histologic features, and molecular characteristics...
August 2, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28755732/the-urinothorax-a-comprehensive-review-with-case-series
#19
REVIEW
Adam Austin, Sidharth Navin Jogani, Paul Bradley Brasher, Rahul Gupta Argula, John Terrill Huggins, Amit Chopra
Urinothorax is an uncommon thoracic complication of genitourinary (GU) tract disease, which is most frequently caused by obstructive uropathy, but may also occur as a result of iatrogenic or traumatic GU injury. It is underrecognized because of a perceived notion as to the rarity of the diagnosis and the absence of established diagnostic criteria. Urinothorax is typically described as a paucicellular, transudative pleural effusion with a pleural fluid/serum creatinine ratio >1.0. It is the only transudate associated with pleural fluid acidosis (pH < 7...
July 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28753846/the-landscape-of-whole-genome-alterations-and-pathologic-features-in-genitourinary-malignancies-an-analysis-of-the-cancer-genome-atlas
#20
Mark W Ball, Michael A Gorin, Charles G Drake, Hans J Hammers, Mohamad E Allaf
BACKGROUND: The accumulation of somatic genetic alterations drives carcinogenesis. Little is known, however, about how the level of genetic alteration across an entire cancer genome affects tumor grade, stage or survival. OBJECTIVE: To investigate the influence of somatic mutation count (MC) and copy number variation (CNV) on pathologic and oncologic outcomes in patients with genitourinary malignancies in The Cancer Genome Atlas (TCGA). DESIGN, SETTING, AND PARTICIPANTS: TCGA data sets for adrenocortical carcinoma (ACC), bladder urothelial carcinoma (BLCA), chromophobe renal cell carcinoma (RCC; KICH), clear cell RCC (KIRC), papillary RCC (KIRP), pheochromocytoma and paraganglioma (PCPG), prostate adenocarcinoma (PRAD), and testis germ cell tumor (TGCT) were accessed via cBioportal...
February 8, 2017: European Urology Focus
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