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https://www.readbyqxmd.com/read/27925039/metaplastic-squamous-cell-carcinoma-of-the-breast-a-case-report-and-literature-review
#1
Luciana Graziano, Paschoal Graziano, Almir Galvão Vieira Bitencourt, Daniel Bernal Soto, Alexandre Hiro, Cíntia Camillo Nunes
Metaplastic tumors are rare and represent a heterogeneous group of neoplasms showing dominant areas of non-glandular differentiation. Etiology and pathogenesis of this type of lesion in the breast is uncertain. The most common sources of metastatic squamous cell carcinoma of the breast are lung, esophagus, cervix, and urinary bladder. Squamous cell carcinomas may present clinically with inflammation and average size greater than breast adenocarcinoma. As for imaging studies, mammography shows no typical findings and ultrasound can show a complicated cyst or an inflammatory process, among the differential diagnoses...
October 2016: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/27916918/subchronic-toxicities-of-hz1006-a-hydroxamate-based-histone-deacetylase-inhibitor-in-beagle-dogs-and-sprague-dawley-rats
#2
Xiaofang Zhang, Xiaodong Zhang, Bojun Yuan, Lijun Ren, Tianbao Zhang, Guocai Lu
Histone deacetylase inhibitors (HDACIs), such as vorinostat and panobinostat, have been shown to have active effects on many hematologic malignancies, including multiple myeloma and cutaneous T-cell lymphoma. Hydroxamate-based (Hb) HDACIs have very good toxicity profiles and are currently being tested in phases I and II clinical trials with promising results in selected neoplasms, such as bladder carcinoma. One of the Hb-HDACIs, HZ1006, has been demonstrated to be a promising drug for clinical use. The aim of our study was to determine the possible target of toxicity and to identify a non-toxic dose of HZ1006 for clinical use...
November 30, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27894977/granular-cell-tumor-of-the-bladder-a-rare-neoplasm-managed-with-robotic-partial-cystectomy-using-near-infrared-filter-guidance
#3
Vidhush K Yarlagadda, Daniel G Benson, Jennifer B Gordetsky, Soroush Rais-Bahrami
No abstract text is available yet for this article.
November 25, 2016: Urology
https://www.readbyqxmd.com/read/27871870/carcinogenic-risk-of-emerging-persistent-organic-pollutant-perfluorooctane-sulfonate-pfos-a-proposal-of-classification
#4
Ricardo Arrieta-Cortes, Paulina Farias, Carlos Hoyo-Vadillo, Mina Kleiche-Dray
: Perfluoroalkyls are stable synthetic chemicals, able to repel oils, fats and water. These compounds have been used in the manufacturing of products such as Teflon(®), lubricants, paints, fire-fighting foams, coatings for pans, carpets, clothes, and paperboard for packaging, among others. It is believed that populations are exposed constantly to them. Its regulation in the world is under development and several controversies are in the course of litigation. One occupational study shows bladder cancer risk...
November 18, 2016: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/27864217/risk-of-second-malignant-neoplasms-in-women-and-girls-with-germ-cell-tumors
#5
Z Liao, M C Rodrigues, J N Poynter, J F Amatruda, C Rodriguez-Galindo, A L Frazier
Background While an elevated risk of second malignant neoplasms (SMNs) has been observed in men treated for germ cell tumors (GCTs), risk of SMNs have not been quantified in adult women nor in girls treated for GCTs.Patients and Methods One-year survivors of primary GCTs diagnosed between January 1980 and December 2012 were identified from Surveillance, Epidemiology, and End Results registries (SEER 9). Risk of SMNs were calculated using SEER*Stat.Results Among 1,507 patients, a total of 47 SMNs were identified...
November 17, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/27863160/primary-b-cell-lymphoma-of-the-uterine-cervix-presentation-in-pap-test-slide-and-cervical-biopsy
#6
Guang Yang, Jeremy Deisch, Margaret Tavares, Qin Haixia, Camilla Cobb, Anwar S Raza
This case involved a 69-year-old female who presented with irritative urinary voiding. Imaging studies showed an 18-cm uterine mass centering on the cervix and extending into the bladder. The Pap test slide demonstrated necrotic background and degenerative changes in single and grouped atypical "small round blue cells" with high nuclear/cytoplasm ratio, scant cytoplasm, and hyperchromatic focally cleaved nuclei with occasional nuclear membrane "snout projections." Cervical biopsies showed similar findings. The tumor cells were positive for CD45, CD20, and PAX-5, and negative with epithelial, neuroendocrine, and muscle markers...
November 8, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27844130/-second-neoplasms-after-percutaneous-radiotherapy
#7
F Haidl, D Pfister, R Semrau, A Heidenreich
Radiation therapy represents an alternative treatment to radical prostatectomy in the management of clinically localized prostate cancer. Radiation-induced second neoplasms are defined by a latency period of at least 5 years, location within the field of radiation therapy, and a histology which differs from the primary tumor. Based on the data in the literature, there is a consistently increased risk of bladder cancer (HR: 1.67, 95% CI 1.55-1.80), rectal cancer (HR: 1.79, 95% CI 1.34-2.38), and colorectal cancer (HR: 1...
November 14, 2016: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/27843222/prolapsing-cystitis-cystica-causing-bladder-outlet-obstruction-an-unusual-complication
#8
Pankaj Halder, Kartik Chandra Mandal, Sumedha Mukherjee
Cystitis cystica (CC) is aproliferative disorder of bladder urothelium and usually subsides with medical therapy. However, this is not true for severe CC where surgical intervention is required to control breakthrough urinary tract infection (UTI). It may be mistaken as bladder neoplasm or posterior urethral valve, especially in children. Here, we report a case of CC in a 2-year-old boy where we had to excise the large pedunculated intravesical lesion to control breakthrough UTI and ongoing renal damage.
October 2016: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/27828906/a-case-of-metastatic-urothelial-carcinoma-of-the-retina-and-vitreous
#9
Katherine E Whalen, Ralph C Eagle, Tamara R Vrabec
PURPOSE: To report a rare case of vitreoretinal metastasis from urothelial carcinoma of the bladder. METHODS: Case report. RESULTS: A 55-year-old male with a history of bladder cancer developed atypical vitritis and a white fundus mass. IV fluorescein angiography demonstrated connection between the retinal and tumor vasculature consistent with a retinal malignancy. Cytologic analysis of the vitreous sample revealed large atypical cells with pleomorphic nuclei, mucin vacuoles, and rare mitotic figures...
November 8, 2016: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/27826047/elevated-preoperative-plasma-fibrinogen-level-is-an-independent-predictor-of-malignancy-and-advanced-stage-disease-in-patients-with-bladder-urothelial-tumors
#10
Jikai Liu, Dawei Li, Li Cao, Zhanyu Wang, Yan Li, Hainan Liu, Gang Chen
PURPOSE: To investigate the association between preoperative plasma fibrinogen levels and clinicopathological features in patients with bladder urothelial tumors. METHODS: In this retrospective single-center study, we evaluated preoperative plasma fibrinogen levels in 503 patients newly diagnosed with bladder urothelial tumors between January 2009 and October 2014. All patients received surgical intervention as the primary treatment method. Associations between preoperative plasma fibrinogen levels and clinicopathological parameters were analyzed...
November 5, 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27803244/inflammatory-myofibroblastic-tumour-of-the-urinary-bladder-managed-with-partial-cystectomy-a-case-report-literature-review
#11
Nkwam Nkwam, Bethan Johnson, Alvaro Bazo, Tom A McCulloch, Gurminder S Mann
Inflammatory myofibroblastic tumour (IMT) is a rare neoplasm which can affect many different organs throughout the body. We report the case of a 62-year old female presenting with visible haematuria found to have IMT of the urinary bladder exhibiting anaplastic lymphoma kinase-1 gene rearrangement, initially managed with local resection and then definitively with partial cystectomy.
November 1, 2016: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/27792139/lack-of-tert-promoter-mutations-in-human-b-cell-non-hodgkin-lymphoma
#12
Gary Lam, Rena R Xian, Yingying Li, Kathleen H Burns, Karen L Beemon
Non-Hodgkin lymphomas (NHL) are a heterogeneous group of immune cell neoplasms that comprise molecularly distinct lymphoma subtypes. Recent work has identified high frequency promoter point mutations in the telomerase reverse transcriptase (TERT) gene of different cancer types, including melanoma, glioma, liver and bladder cancer. TERT promoter mutations appear to correlate with increased TERT expression and telomerase activity in these cancers. In contrast, breast, pancreatic, and prostate cancer rarely demonstrate mutations in this region of the gene...
October 25, 2016: Genes
https://www.readbyqxmd.com/read/27775224/urine-cytology-of-nonurothelial-malignancies-a-10-year-experience-in-a-large-multihospital-healthcare-system
#13
Deepika Savant, Jaya Bajaj, Cecilia Gimenez, Oana C Rafael, Neda Mirzamani, Karen Chau, Melissa Klein, Kasturi Das
BACKGROUND: Urine cytology is the most frequently utilized test to detect urothelial cancer. Secondary bladder neoplasms need to be recognized as this impacts patient management. We report our experience on nonurothelial malignancies (NUM) detected in urine cytology over a 10-year period. METHODS: A 10-year retrospective search for patients with biopsy-proven NUM to the urothelial tract yielded 25 urine samples from 14 patients. Two cytopathologists blinded to the original cytology diagnosis reviewed the cytology and histology slides...
October 24, 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27774877/genitourinary-complications-of-diabetes-mellitus-an-overview-of-pathogenesis-evaluation-and-management
#14
Jason Gandhi, Gautam Dagur, Kelly Warren, Noel Smith, Sardar Ali Khan
BACKGROUND: Diabetes mellitus is a vastly prevalent metabolic disorder with escalating global health concerns. Particularly when mismanaged, chronic micro- and macrovascular complications may highly impair physiological systems while immunodeficiency disposes us to infection. OBJECTIVE: We investigate infections, localized complications, and neoplasms of the genitourinary system secondary to the chronic complications of diabetes mellitus in males and females. METHOD: A comprehensive MEDLINE® search was guided using key words relevant to diabetes mellitus and the genitourinary system...
October 19, 2016: Current Diabetes Reviews
https://www.readbyqxmd.com/read/27765044/bladder-chondrosarcoma-plus-urothelial-carcinoma-in-recurred-transitional-cell-carcinoma-of-the-upper-urinary-tract-a-case-report-and-literature-review
#15
Min Hyun Cho, Sung Han Kim, Weon Seo Park, Jae Young Joung, Ho Kyung Seo, Jinsoo Chung, Kang Hyun Lee
BACKGROUND: Sarcomatoid urothelial carcinoma (SUC) is a rare malignant neoplasm of the urinary bladder comprising 0.2-0.6 % of all histological bladder tumor subtypes. It presents as a high-stage malignancy and exhibits aggressive biological behavior, regardless of the treatment employed. It is defined as histologically indistinguishable from sarcoma and as a high-grade biphasic neoplasm with malignant epithelial and mesenchymal components. The mean age of patients presenting with SUC is 66 years, and the male-to-female ratio is 3:1...
October 20, 2016: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27748855/extra-virgin-olive-oil-phenols-block-cell-cycle-progression-and-modulate-chemotherapeutic-toxicity-in-bladder-cancer-cells
#16
Andrea Coccia, Luciana Mosca, Rosa Puca, Giorgio Mangino, Alessandro Rossi, Eugenio Lendaro
Epidemiological data indicate that the daily consumption of extra‑virgin olive oil (EVOO), a common dietary habit of the Mediterranean area, lowers the incidence of certain types of cancer, in particular bladder neoplasm. The aim of the present study was to evaluate the antiproliferative activity of polyphenols extracted from EVOO on bladder cancer (BCa), and to clarify the biological mechanisms that trigger cell death. Furthermore, we also evaluated the ability of low doses of extra‑virgin olive oil extract (EVOOE) to modulate the in vitro activity of paclitaxel or mitomycin, two antineoplastic drugs used in the management of different types of cancer...
October 5, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27721769/inflammatory-myofibroblastic-tumor-of-the-urinary-bladder-a-case-report
#17
Toshiki Etani, Taku Naiki, Takashi Nagai, Keitaro Iida, Ryosuke Ando, Aya Naiki-Ito, Noriyasu Kawai, Keiichi Tozawa, Kentaro Mizuno, Atsushi Okada, Tohru Mogami, Takahiro Yasui
An inflammatory myofibroblastic tumor (IMT) is a distinctive neoplasm composed of myofibroblastic and fibroblastic spindle cells, accompanied by inflammatory infiltration of plasma cells, lymphocytes, and eosinophils. IMTs rarely occur in the urinary bladder. It is important to distinguish this tumor from other malignant spindle cell tumors. Herein, we report a patient with an IMT showing muscle invasion, who underwent a transurethral resection of the bladder tumor and, at a later date, partial cystectomy. The resected tumor specimen revealed a proliferation of spindle-shaped cells on a background of plasma cells and lymphocytes...
May 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27721643/an-unusual-case-of-cervical-fibroid-masquerading-as-ovarian-tumor
#18
Neeru Goel, Shikha Seth
Uterine fibroids are the most common uterine neoplasm of uterus and the female pelvis and the most common indication for hysterectomy worldwide. When the fibroid is large and fills the whole pelvis or is pedunculated, it becomes difficult to differentiate from ovarian mass clinically. Cervical fibroids pose enormous surgical difficulty by virtue of their relative inaccessibility and proximity to the anterior bladder, posterior rectum, and distorting the normal anatomical relationship of pelvic structures. A cervical fibroid especially with degenerative changes mimics an ovarian tumor and poses a clinical dilemma...
July 2016: Journal of Mid-life Health
https://www.readbyqxmd.com/read/27718498/the-activity-of-class-i-ii-iii-and-iv-alcohol-dehydrogenase-isoenzymes-and-aldehyde-dehydrogenase-in-the-sera-of-bladder-cancer-patients
#19
Karolina Orywal, Wojciech Jelski, Tadeusz Werel, Maciej Szmitkowski
OBJECTIVES: Studies on alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH) activity in the sera of patients with malignant neoplasms show that cancer cells in many organs may release ADH isoenzymes into the blood. The aim of this study was to investigate the differences in the activity of ADH isoenzymes and ALDH in the sera of patients with bladder cancer (BCa), and with different grades of the disease. MATERIAL AND METHODS: Blood samples were taken from 39 patients with BCa (15 patients with low-grade and 24 with high-grade BCa) and from 60 healthy subjects...
October 8, 2016: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/27698167/hernia-of-the-swim-bladder-aerocystocele-with-concurrent-mycotic-granulomatous-inflammation-and-swim-bladder-carcinoma-in-a-wild-mullet-mugil-cephalus
#20
Rubina Sirri, Carlo Bianco, Gaetano Zuccaro, Maria Elena Turba, Luciana Mandrioli
We describe a hernia of the swim bladder, with a concurrent mycotic granulomatous inflammation, and carcinoma of the swim bladder in a wild mullet (Mugil cephalus) referred for an exophytic dorsal mass. Grossly, the mass was white, soft, and composed of multiple cystic gas-containing chambers connected by a funnel-shaped tissue segment to the coelomic swim bladder. Histologically, the mass was characterized by cysts of variable size, multifocally contiguous with the subepithelial rete mirabile, supported by abundant fibrous tissue...
November 2016: Journal of Veterinary Diagnostic Investigation
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