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Superficial bladder cancer

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https://www.readbyqxmd.com/read/28644177/a-case-of-intravesical-bacillus-calmette-guerin-related-endophthalmitis-and-retinitis-confirmed-with-retinal-biopsy
#1
Alison Huggins, Murtaza Adam, David Ehmann, Ralph C Eagle, Barry Malloy, Sunir J Garg
PURPOSE: To present a rare case of bilateral endogenous chorioretinitis and unilateral endophthalmitis due to Mycobacterium bovis in a patient who received intravesical bacillus Calmette-Guerin (BCG) treatment. METHODS: We present a case of a single male patient with bilateral endogenous chorioretinitis due to Mycobacterium bovis in a patient who received intravesical BCG, an attenuated strain of M. bovis widely used to treat superficial bladder cancer. The patient underwent intravitreal tap, vitrectomy, and chorioretinal biopsy with histologic examination...
June 20, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28627636/formulation-and-characterization-of-egcg-for-the-treatment-of-superficial-bladder-cancer
#2
Katarzyna Dettlaff, Maciej Stawny, Magdalena Ogrodowczyk, Anna Jelińska, Waldemar Bednarski, Dorota Wątróbska-Świetlikowska, Rick W Keck, Omar A Khan, Ibrahim H Mostafa, Jerzy Jankun
In the United States, the annual incidence of bladder cancer is approximately 70,000 new cases, with a mortality rate of approximately 15,000/year. The most common subtype (70%) of bladder cancer is superficial, namely hte non-muscle invasive disease form limited to the urothelium. The rate of progression and recurrence is up to 40 and 70%, respectively. Urothelial cell carcinoma of the bladder is typically treated with transurethral resection. The cancerous cells can float onto the adjacent epithelium, increasing the risk of recurrence...
June 14, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28586062/therapy-relevant-aberrant-expression-of-mrp3-and-bcrp-mrna-in-tcc-scc-bladder-cancer-tissue-of-untreated-patients
#3
Mona Rady, Marwa Mostageer, Jan Rohde, Ashraf Zaghloul, Ruth Knüchel-Clarke, Shady Saad, Deena Attia, Laila Mahran, Hilde Spahn-Langguth
Multidrug resistance (MDR) is a critical factor, which results in suboptimal outcomes in cancer chemotherapy. One principal mechanism of MDR is the increased expression of ATP-binding cassette (ABC) transporters. Of these, multidrug resistance-associated protein 3 (MRP3) and breast cancer resistance protein (BCRP) confer MDR when overexpressed in cancer cell lines. We measured the mRNA expression of MRP3 and BCRP in primary untreated bladder cancer specimens using reverse transcription-quantitative PCR (RT-qPCR) in comparison to normal bladder tissue...
June 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28583311/next-generation-sequencing-of-nonmuscle-invasive-bladder-cancer-reveals-potential-biomarkers-and-rational-therapeutic-targets
#4
Eugene J Pietzak, Aditya Bagrodia, Eugene K Cha, Esther N Drill, Gopa Iyer, Sumit Isharwal, Irina Ostrovnaya, Priscilla Baez, Qiang Li, Michael F Berger, Ahmet Zehir, Nikolaus Schultz, Jonathan E Rosenberg, Dean F Bajorin, Guido Dalbagni, Hikmat Al-Ahmadie, David B Solit, Bernard H Bochner
BACKGROUND: Molecular characterization of nonmuscle invasive bladder cancer (NMIBC) may provide a biologic rationale for treatment response and novel therapeutic strategies. OBJECTIVE: To identify genetic alterations with potential clinical implications in NMIBC. DESIGN, SETTING, AND PARTICIPANTS: Pretreatment index tumors and matched germline DNA from 105 patients with NMIBC on a prospective Institutional Review Board-approved protocol underwent targeted exon sequencing analysis in a Clinical Laboratory Improvement Amendments-certified clinical laboratory...
June 2, 2017: European Urology
https://www.readbyqxmd.com/read/28576425/-correlation-of-genetic-and-cytogenetic-alterations-in-pathological-aggressiveness-urothelial-carcinoma-of-the-bladder-performance-of-bca-1-a-mini-array-comparative-genomic-hybridisation-based-test
#5
P Léon, G Cancel Tassin, K Sighar, E Compérat, C Gaffory, V Ondet, S Hugonin, M Audouin, S Doizi, O Traxer, C Ciofu, M Rouprêt, R Lacave, O Cussenot
INTRODUCTION: Urothelial carcinomas are the fourth leading cause of cancer in humans. Their incidence is increasing by more than 50% in 25 years. The superficial forms (70% cases) require a close active surveillance to identify frequent recurrences and progression to invasive stage. Our main goal was to identify prognostic molecular markers for bladder cancer that could be used alone or in combination in routine clinical practice. In this aim, we evaluated the capability of the BCA-oligo test based on a CGH array to correctly classify tumoral grade/stage...
June 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28575173/health-care-associated-mycobacterium-bovis-bcg-infection-in-cancer-patients-without-prior-bcg-instillation
#6
Y Meije, J Martínez-Montauti, J A Caylà, J Loureiro, L Ortega, M Clemente, X Sanz, M Ricart, M J Santomà, P Coll, M Sierra, M Calsina, M Vaqué, I Ruiz-Camps, C López-Sánchez, M Montes, A Ayestarán, J Carratalà, A Orcau
Background: Bacille Calmette-Guérin (BCG), an attenuated strain of Mycobacterium bovis, is widely used as adjunctive therapy for superficial bladder cancer. Intravesical administration of BCG has been associated with systemic infection. Disseminated infection due to M. bovis is otherwise uncommon. Methods: After identification of three patients with health-care associated BCG infection (HCBCGI) who had never received intravesical BCG administration, an epidemiologic study was performed...
May 29, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28567336/management-of-hepatic-granulomatous-tuberculosis-after-bcg-therapy-for-bladder-cancer
#7
Mohsen Ayati, Mohammad Reza Nowroozi, Afshin Mortazavi, Solmaz Ohadian Moghadam, Hossein Ghorani
BCG therapy is used as a treatment in bladder cancer. Intravesical administration of Bacillus Calmette-Guérin is used as a treatment method in superficial bladder cancer. While it is commonly effective, some serious side effects may occur. We hereby report a 65-year-old man who developed granulomatous hepatitis as a complication following BCG therapy. He was treated successfully with antitubercular therapy and prednisolone.
July 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28532186/bcg-and-protection-against-inflammatory-and-auto-immune-diseases
#8
Magdalena Kowalewicz-Kulbat, Camille Locht
Bacillus Calmette-Guérin (BCG) is the only available vaccine against tuberculosis. Although its protective efficacy against pulmonary tuberculosis is still under debate, it provides protection against other mycobacterial diseases. BCG is also an effective therapy against superficial bladder cancer and potentially decreases overall childhood mortality. Areas covered: The purpose of this paper is to provide a state-of-the-art summary of the beneficial effects of BCG in inflammatory and auto-immune diseases. As a strong inducer of Th1 type immunity, BCG has been reported to protect against atopic conditions, such as allergic asthma, a Th2-driven disorder...
July 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28488840/bladder-cancer-and-th1-chemokines
#9
S-R Paparo, P Fallahi
Bladder cancer arises from the epithelial lining of the urinary bladder, and it is known as transitional cell carcinoma (TCC). Tobacco smoking is the main known contributor to urinary bladder cancer. However thirty percent of bladder tumors probably result from occupational exposure in the workplace to carcinogens. Immunotherapy by intravesicular delivery of Bacillus Calmette–Guérin (BCG) is used to treat and prevent the recurrence of superficial bladder cancer. Successful BCG immunotherapy for bladder cancer is associated with proper induction of T helper (Th)1 immunity...
January 2017: La Clinica Terapeutica
https://www.readbyqxmd.com/read/28476381/unusual-asymptomatic-presentation-of-bladder-cancer-metastatic-to-the-penis
#10
Francesca Giunchi, Francesco Vasuri, Vagnoni Valerio, Ilaria Montagnani, Federico Nelli, Michelangelo Fiorentino, Maria Rosaria Raspollini
Penile metastasis is an extremely rare event and mainly originate from primary pelvic tumor sites such us urinary bladder, gastro-intestinal tract and prostate and more rarely from respiratory system, bone tumors and melanoma. Here we describe the unusual presentation of two bladder urothelial cancer metastatic to the penis with no relevant clinical symptoms. Namely, a 69 years-old man with a warthy lesions of the foreskin and the glans misunderstood for a condylomata that at histological and immunohistochemical analysis showed a bladder urothelial carcinoma; and a 71 years-old man with reddish skin lesion of the glans, a previous history of bladder and urethral carcinoma and histological pagetoid spread of urothelial cancer to the glans...
June 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28470753/stalk-versus-base-invasion-in-pt1-papillary-cancers-of-the-bladder-improved-substaging-system-predicting-risk-of-progression
#11
Margaret Lawless, Roman Gulati, Maria Tretiakova
AIMS: Pathologic stage T1 (pT1) bladder cancers are a clinically heterogeneous group. However, current staging guidelines for superficially invasive cancers do not acknowledge the variability in type and extent of lamina propria invasion in papillary urothelial carcinomas (PUC), and historically proposed substaging systems showed either high inter-observer variation or limited value in predicting patient outcomes. Herein we reappraise pT1 PUC substaging, aiming to identify a novel scheme which is reproducible and prognostically meaningful...
May 4, 2017: Histopathology
https://www.readbyqxmd.com/read/28467974/expression-of-sialyl-tn-sugar-antigen-in-bladder-cancer-cells-affects-response-to-bacillus-calmette-gu%C3%A3-rin-bcg-and-to-oxidative-damage
#12
Paulo F Severino, Mariana Silva, Mylene Carrascal, Nadia Malagolini, Mariella Chiricolo, Giulia Venturi, Annalisa Astolfi, Mariangela Catera, Paula A Videira, Fabio Dall'Olio
The sialyl-Tn (sTn) antigen is an O-linked carbohydrate chain aberrantly expressed in bladder cancer (BC), whose biosynthesis is mainly controlled by the sialyltransferase ST6GALNAC1. Treatment with Bacillus Calmette-Guérin (BCG) is the most effective adjuvant immunotherapy for superficial BC but one third of the patients fail to respond. A poorly understood correlation between the expression of sTn and BC patient's response to BCG was previously observed. By analyzing tumor tissues, we showed that patients with high ST6GALNAC1 and IL-6 mRNA expression were BCG responders...
April 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28462594/holmium-yag-photocoagulation-safe-and-economical-alternative-to-transurethral-resection-in-small-nonmuscle-invasive-bladder-tumors
#13
Jorge Planelles Gómez, Laura Olmos Sánchez, Juan José Cardosa Benet, Elías Martínez López, Juan Francisco Vidal Moreno
OBJECTIVE: To analyze our experience in the treatment of recurrences of bladder tumor using Holmium-YAG (Ho:YAG) laser, assessing recurrence rates, tumor progression, degree of safety, and patient satisfaction, as well as the economic repercussions of the technique. MATERIALS AND METHODS: The study included 109 patients between February 2013 and 2016, who had a superficial recurrence of bladder tumor. Patients were treated by Ho:YAG laser photocoagulation on an outpatient basis and under local anesthetic...
May 24, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28457495/adjuvant-intravesical-treatment-for-nonmuscle-invasive-bladder-cancer-the-importance-of-the-strain-and-maintenance
#14
F Guerrero-Ramos, A Lara-Isla, J Justo-Quintas, J M Duarte-Ojeda, F de la Rosa-Kehrmann, F Villacampa-Aubá
BACKGROUND AND OBJECTIVE: Intravesical Bacille Calmette-Guérin (BCG) is essential for preventing the recurrence and progression of superficial bladder tumours. The aim of our study was to compare the efficacy and toxicity of the Connaught and Tice strains, as well as the importance of the maintenance regimen. MATERIAL AND METHODS: We retrospectively reviewed 110 patients with superficial bladder tumours who underwent adjuvant endovesical treatment. The patients were distributed into 3 groups, based on whether the treatment was with the Connaught strain, the Tice strain or both sequentially...
April 27, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28398951/challenges-in-pathologic-staging-of-bladder-cancer-proposals-for-fresh-approaches-of-assessing-pathologic-stage-in-light-of-recent-studies-and-observations-pertaining-to-bladder-histoanatomic-variances
#15
REVIEW
Gladell P Paner, Rodolfo Montironi, Mahul B Amin
The paradigm of pathologic stage (pT) categorization in bladder cancer remains the depth of invasion into the different histologic layers of the bladder wall. However, the approaches to assigning pT stage category toward an enhanced outcome stratification have been marked by challenges and innovations, due in part to our growing appreciation of the surprisingly perplexing bladder histoanatomy. Upstaging of pT1 tumors after radical cystectomy is substantial and underscores the potential value of pT1 substaging in transurethral resection (TUR) specimens...
May 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28316859/mycotic-aneurysm-after-bacillus-calmette-gu%C3%A3-rin-treatment-case-report-and-review-of-the-literature
#16
Nathaniel D Coddington, Jesse K Sandberg, Chen Yang, Jennifer K Sehn, Eric H Kim, Seth A Strope
Background. Intravesicular Bacillus Calmette-Guérin (BCG) is an effective adjunctive therapy for superficial bladder cancer that has been shown to delay recurrence and progression of disease. Serious side effects are relatively rare but are difficult to diagnosis and commonly overlooked. Case Presentation. We report the case of a patient who was found to have mycotic aortic aneurysms secondary to treatment with BCG after a prolonged course with multiple intervening hospitalizations. Conclusion. Through this report, we discuss our present understanding of BCG infection following treatment and review the literature regarding this particular rare manifestation...
2017: Case Reports in Urology
https://www.readbyqxmd.com/read/28286504/molluskan-hemocyanins-activate-the-classical-pathway-of-the-human-complement-system-through-natural-antibodies
#17
Javier Pizarro-Bauerle, Ismael Maldonado, Eduardo Sosoniuk-Roche, Gerardo Vallejos, Mercedes N López, Flavio Salazar-Onfray, Lorena Aguilar-Guzmán, Carolina Valck, Arturo Ferreira, María Inés Becker
Molluskan hemocyanins are enormous oxygen-carrier glycoproteins that show remarkable immunostimulatory properties when inoculated in mammals, such as the generation of high levels of antibodies, a strong cellular reaction, and generation of non-specific antitumor immune responses in some types of cancer, particularly for superficial bladder cancer. These proteins have the ability to bias the immune response toward a Th1 phenotype. However, despite all their current uses with beneficial clinical outcomes, a clear mechanism explaining these properties is not available...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28268259/intravesical-bacillus-calmette-gu%C3%A3-rin-with-interferon-alpha-versus-intravesical-bacillus-calmette-gu%C3%A3-rin-for-treating-non-muscle-invasive-bladder-cancer
#18
REVIEW
Andrew Rh Shepherd, Emily Shepherd, Nicholas R Brook
BACKGROUND: Despite local therapies, commonly transurethral resection (TUR) followed by adjuvant treatments, non-muscle-invasive bladder cancer (NMIBC) has a high rate of recurrence and progression. Intravesical Bacillus Calmette-Guérin (BCG) has been shown to reduce recurrence and progression in people with NMIBC following TUR, however many people do not respond to treatment, have recurrence shortly after, or cannot tolerate standard-dose therapy. The potential for synergistic antitumour activity of interferon (IFN)-alpha (α) and BCG provides some rationale for combination therapy for people who do not tolerate or respond to standard-dose BCG therapy...
March 8, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28260746/inhibition-of-t24-and-rt4-human-bladder-cancer-cell-lines-by-heterocyclic-molecules
#19
Zhi-Feng Zhao, Kai Wang, Feng-Fu Guo, Hua Lu
BACKGROUND Bladder cancer is a major widespread tumor of the genitourinary tract. Around 30% of patients with superficial cancers develop invasive and metastatic pathology. MATERIAL AND METHODS Some new heterocyclic 4-methyl coumarin derivatives were designed using molecular modeling studies to evaluate their potential against bladder cancer lines T24 and RT-4. The designed compounds that showed good binding affinity to T24 and RT4 were synthesized, with excellent yield. The synthesized compounds after structural evaluation were further evaluated for their antiproliferative activity by cell viability assay, cell cycle analysis, and apoptosis assay...
March 6, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28250302/henoch-sch%C3%A3-nlein-purpura-nephritis-associated-with-intravesical-bacillus-calmette-guerin-bcg-therapy
#20
Hiroyuki Tsukada, Hiroshi Miyakawa
Henoch Schönlein purpura (HSP), also known as IgA vasculitis (IgAV), is a systemic small-vessel vasculitis that predominantly affects adolescents and is rare in adults. In many cases, the onset of HSP has been causally linked to an infectious disease. We encountered a case of HSP with severe renal involvement diagnosed by renal biopsy following bacillus Calmette-Guerin (BCG) therapy for bladder cancer. This is of clinical relevance, as intravesical BCG administration is becoming an established therapy for superficial bladder cancer and is supposed to be safe...
2017: Internal Medicine
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