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https://www.readbyqxmd.com/read/29035655/focal-uterine-t-cell-lymphoma-in-an-ovariectomized-cat
#1
Bérénice Conversy, Anne-Laure Freulon, Mélanie Graille
CASE DESCRIPTION A 14-year-old ovariectomized domestic shorthair cat was evaluated because of periuria and perineal licking of 3 days' duration. CLINICAL FINDINGS On initial examination, an abdominal mass was palpable cranial to the urinary bladder. The perineal area was soiled with a blood-tinged mucous fluid. Abdominal ultrasonography revealed a vascularized, focal, and circumferential thickening of the right uterine horn, involving particularly the muscular layer. No evidence of dissemination was noted. TREATMENT AND OUTCOME Hysterectomy was performed, revealing a localized, 2...
November 1, 2017: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29029514/targeting-of-ccn2-suppresses-tumor-progression-and-improves-chemo-sensitivity-in-urothelial-bladder-cancer
#2
Xiaojing Wang, Tianyuan Xu, Fengbin Gao, Hongchao He, Yu Zhu, Zhoujun Shen
Urothelial bladder cancer (UBC) is the most common urinary neoplasm in China. CCN family protein 2 (CCN2), a cysteine-rich matricellular protein, is abnormally expressed in several cancer types and involved in tumor progression or chemo-resistance. However, detailed expression patterns and effects of CCN2 in UBC still remain unknown. We found that down-regulation of CCN2 suppressed proliferation, migration and invasion of UBC cells in vitro and targeting of CCN2 decelerated xenograft growth in vivo. When treated with mitomycin C (MMC), CCN2-scilencing UBC cells showed lower survival and higher apoptotic rates and these effects were probably mediated via inactivation of Akt and Erk pathways...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29019749/pearls-and-pitfalls-in-diagnosing-pediatric-urinary-bladder-masses
#3
Susan C Shelmerdine, Armando J Lorenzo, Abha A Gupta, Govind B Chavhan
Urinary bladder masses are rare in children, and the associated histologic features and prognoses in this population are different from those in adults. Most children with urinary bladder masses present with lower urinary tract symptoms, which may include hematuria, dysuria, frequent urination, and urgency to urinate. However, some of these masses may be identified incidentally or involve generic symptoms such as abdominal distention. In general, pediatric bladder tumors can be divided into those that originate from the bladder epithelium, known as urothelial neoplasms, and mesenchymal bladder neoplasms, which are more prevalent...
October 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28992665/-clinical-study-of-bladder-tamponade-at-takeda-hospital
#4
Tomoyuki Oida, Norio Kawase
This retrospective study examined bladder tamponade in 58 patients (male, n=36 ; female, n=22 ; average age, 78.5 years old) at Takeda Hospital between 2006 and 2016. Twenty-four of the patients were prescribed anticoagulants, and 18 had an indwelling urethral catheter. The underlying diseases comprised of cystitis (male, n=7; female, n=19), iatrogenic lower urinary tract injury (male, n=13), bladder neoplasms (male, n=6 ; female, n=1), prostatic hemorrhage (male, n=7), renal cell carcinoma (male, n=1 ; female, n=1), and bladder stone (male, n=2 ; female, n=1)...
September 2017: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28992489/methotrexate-induces-high-level-of-apoptosis-in-canine-lymphoma-leukemia-cell-lines
#5
Aleksandra Pawlak, Justyna Kutkowska, Bożena Obmińska-Mrukowicz, Andrzej Rapak
INTRODUCTION: Methotrexate is an antimetabolite used in the treatment of cancer and non-malignant diseases including rheumatoid arthritis, psoriasis and graft vs. host disease. Combination therapy with methotrexate was successful in the treatment of canine lymphoma, mammary tumor and invasive urinary bladder cancer. Lymphoma, the most common hematopoietic cancer in dogs, and leukemia are sensitive to chemotherapy, which is why methotrexate may be an important treatment option for these diseases...
September 28, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28969410/bladder-carcinosarcoma-a-case-report-with-review-of-the-literature
#6
Ismail Basibuyuk, Ramazan Topaktaş, Fatih Elbir
Carcinosarcoma of the urinary bladder is a rare neoplasm that is histologically composed of malignant epithelial and mesenchymal components. The etiology of sarcomatoid tumors is unclear, but smoking and history of previous radiotherapy or chemotherapy may lead to bladder disorders and to the formation of sarcomatoid carcinoma. These neoplasms behave as highly aggressive tumors and optimal treatment is uncertain. Herein, we report a case of sarcomatoid carcinoma of urinary bladder presenting as a giant intravesical mass in a 61-year-old man complaining of macroscopic hematuria...
October 3, 2017: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28969142/pure-villous-adenoma-of-the-vesicoureteric-junction-presenting-as-pyonephrosis
#7
Gwendolyn Fernandes, Shital Munde, Amey Rojekar
Villous adenomas of the urinary tract are uncommon neoplasms which share similar morphological features with gastrointestinal villous adenomas. Only two case series and around 20 scattered case reports of villous adenoma in the urinary tract have been published in English literature till date. They have been identified mainly in the urinary bladder, urethra, prostate and urachus, but the occurrence of villous adenomas at the vesicoureteric junction has not been described. We present a case of villous adenoma of the vesicoureteric junction which completely occluded the lumen and led to gross pyonephrosis...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28947891/co-existence-of-mucin-producing-urothelial-type-adenocarcinoma-of-the-prostate-and-inverted-papilloma-of-the-bladder
#8
Xiao-Nan Mu, Si-Jun Wang, Zhi-Gang Sun, Min Zhang, Zhe Li, Long-Yang Zhang
Adenocarcinoma of prostate with mucinous differentiation arising in the male urethra is extremely rare, with only 21 cases reported in the previous literature. A diagnosis of mucin-producing urothelial carcinoma of the prostate is based on the pathology, immunohistochemistry, and clinical examination by excluding the secondary adenocarcinoma of the prostate. We present a case of unexpected mucinous urothelial carcinoma of prostate with co-existing inverted papilloma of bladder in a 57-year-old man. The patient underwent transurethral resection of the prostate (TURP) and transurethral resection of a bladder tumour (TUR-Bt), and the pathologic result showed mucinous prostate carcinoma and bladder inverted papilloma...
2017: Contemporary Oncology Współczesna Onkologia
https://www.readbyqxmd.com/read/28947209/expression-of-ar-5%C3%AE-r1-and-5%C3%AE-r2-in-bladder-urothelial-carcinoma-and-relationship-to-clinicopathological-factors
#9
Shuko Hata, Kazue Ise, Abdullah Azmahani, Sachiko Konosu-Fukaya, Keely May McNamara, Fumiyoshi Fujishima, Keiji Shimada, Koji Mitsuzuka, Yoichi Arai, Hironobu Sasano, Yasuhiro Nakamura
AIMS: Bladder urothelial carcinoma is increasing in incidence with age and its prognosis could become worse when accompanied with metastasis. Effective treatment of these advanced patients is required and it becomes important to understand its underlying biology of this neoplasm, especially with regard to its biological pathways. A potential proposed pathway is androgen receptor (AR)-mediated intracellular signaling but the details have remained relatively unexplored. MAIN METHODS: The expression of AR, 5α-reductase type1 (5αR1) and 5α-reductase type2 (5αR2) were examined in the bladder cancer cell line T24 and surgical pathology specimens...
September 22, 2017: Life Sciences
https://www.readbyqxmd.com/read/28933558/-oncology-secrets-of-suddenly-deceased-individuals
#10
Kateřina Stoklásková, Miroslav Ďatko, Eva Daňková, Milan Votava, Karel Schneller, Martin Zeman, Tomáš Vojtíšek, Michal Zelený
Malignant neoplasms represent the second most common cause of death in men and women in the Czech Republic after cardiovascular diseases. The incidence, prevalence and mortality is recorded in the Czech National Cancer Registry. The most recent data available is from 2013, in this year there were 81 541 patients newly diagnosed with cancer and 26 944 people died of cancer. From a long-term perspective, the incidence of neoplasms is increasing and the mortality is decreasing. In the Institute of Forensic Medicine in Brno there were 480 cases of newly reported malignant tumors during the period 2010-2015, which were not known before the autopsy...
2017: Soudní Lékarství
https://www.readbyqxmd.com/read/28928878/papillary-urothelial-neoplasm-of-low-malignant-potential-punlmp-after-initial-tur-bt-comparative-analyses-with-noninvasive-low-grade-papillary-urothelial-carcinoma-lgpuc
#11
Jung Kwon Kim, Kyung Chul Moon, Chang Wook Jeong, Cheol Kwak, Hyun Hoe Kim, Ja Hyeon Ku
Purpose: To verify if the distinction between papillary urothelial neoplasm of low malignant potential (PUNLMP) and noninvasive low-grade papillary urothelial carcinoma (LGPUC) reflects a different biologic activity. Materials and Methods: We reviewed and analyzed the clinical data from 678 patients who had a diagnosis of PUNLMP (n=53) or noninvasive LGPUC (n=625) after initial TUR-BT for bladder neoplasm between 2000 and 2012. Results: The noninvasive LGPUC group showed a higher frequency of recurrence in comparison with the PUNLMP group (46...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28871659/overexpression-of-her-2-via-immunohistochemistry-in-canine-urinary-bladder-transitional-cell-carcinoma-a-marker-of-malignancy-and-possible-therapeutic-target
#12
F Millanta, J Impellizeri, L McSherry, G Rocchigiani, L Aurisicchio, G Lubas
Transitional cell carcinoma (TCC) is the most commonly diagnosed neoplasm in the urinary bladder. Distant metastases to the regional lymph nodes, lungs, abdominal organs or bones are noted in up to 50% of dogs at time of death. Surgical excision is often not practical as TCC typically involve the trigone of the bladder and/or occurs multifocally throughout the bladder with field cancerization. Therapeutic approaches are very challenging and the requirement to evaluate alternative therapeutic protocols that may prolong survival times in dogs bearing these tumours is compelling...
September 4, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28868185/t2-vertebrectomy-with-combined-anterior-and-posterior-arthrodesis-for-treatment-of-a-solitary-plasmacytoma
#13
Gordon Preston, Toomas Anton
BACKGROUND: Plasma cell neoplasmas are a heterogenous group of neoplastic tumor lesions occurring secondary to disordered proliferation of cells from a monocyte lineage. Plasmacytoma is a rare lesion that accounts for 5% of all plasma cell neoplasms. The current recommended treatment for solitary plasmacytoma is moderate dose radiation therapy. For patients who are suffering from axial back pain, spinal instability, radiculopathy, or bowel/bladder dysfunction secondary to spinal cord compression, surgical intervention with spinal decompression and stabilization can be used as an adjuvant to radiation therapy...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28862305/in-vitro-assessment-of-potential-bladder-papillary-neoplasm-treatment-with-functionalized-polyethyleneimine-coated-magnetic-nanoparticles
#14
Klemen Strojan, Jasna Lojk, Vladimir-Boštjan Bregar, Mateja Erdani-Kreft, Jurij Svete, Peter Veranič, Mojca Pavlin
Normal porcine urothelial cells have been shown to have a much lower rate of endocytosis than urothelial papillary neoplasm cells. This could be used as a mechanism for selective delivery of toxic compounds, such as polyethyleneimine coated nanoparticles (NPs). However, these NPs induce nonselective toxicity through direct membrane disruption. This toxicity can be reduced by functionalization of NPs with L-glutathione reduced or bovine serum albumin by reducing their surface charge. Functionalization was confirmed with Fourier Transform Infrared Spectroscopy, Dynamic Light Scattering and zeta potential measurements...
September 2017: Acta Chimica Slovenica
https://www.readbyqxmd.com/read/28861316/granular-cell-tumor-of-the-urinary-bladder
#15
Recep Bedir, Rukiye Yılmaz, Oğuzhan Özdemir, Hakkı Uzun
Granular cell tumors (GCTs) are extremely rare neoplasms of the bladder. In the literature, there are only a few reported cases. We present a GCT case with clinical, radiological, histomorphological, immünohistochemical findings and its differential diagnosis.
September 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28860819/clinicopathologic-characteristics-therapy-and-outcomes-of-patients-with-primary-ureteral-small-cell-carcinoma-a-case-series-and-systematic-review-of-the-literature
#16
Wenlong Zhong, Rongcheng Lin, Lei Zhang, Chengyue Jin, Xuesong Li, Qun He, Kan Gong, Zhisong He, Liqun Zhou
PURPOSE: The aim of this case series was to review the standard diagnosis and treatment procedures of primary small cell carcinoma (SCC) in our institution and discuss the clinicopathologic characteristics, treatments and outcomes of patients with primary ureteral SCC. PATIENTS AND METHODS: Patients diagnosed with ureteral SCC in Peking University First Hospital, Beijing, China, from January 2007 to December 2016 were included. In addition, we performed a systematic literature review, in October 2016, on case reports and case series of ureteral SCC...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28859653/retroperitoneal-laparoscopic-partial-nephrectomy-with-segmental-renal-artery-clamping-for-cancer-of-the-left-upper-calyx-a-case-report
#17
Yajie Yu, Chao Liang, Meiling Bao, Pengfei Shao, Zengjun Wang
BACKGROUND: Currently, the standard treatment for renal pelvis carcinoma is radical nephroureterectomy with bladder cuff excision. To describe the feasibility of retroperitoneal laparoscopic partial nephrectomy with segmental renal artery clamping for cancer of renal pelvis, we report this special case for the first time. CASE PRESENTATION: A 67-year-old woman received this operation. Preoperative ureteroscopy revealed a papillary neoplasm with a pedicle in the upper calyx of the left kidney...
August 31, 2017: BMC Urology
https://www.readbyqxmd.com/read/28858081/urachal-mucinous-adenocarcinoma-with-pseudomyxoma-peritonei-a-case-report
#18
Lei Liang, Nan Zhou, Hongbin Xu, Damiao Liu, Yiyan Lu, Fang Li, Jun Guo
RATIONALE: Pseudomyxoma peritonei is an unusual clinical condition, and the appendix and ovaries are reported as the primary sites. PATIENT CONCERNS: A 44-year-old man who was reported a 3-month history of lower abdominal pain and distention, along with increased abdominal girth, was admitted with a palpable tender mass in the central lower abdomen. DIAGNOSIS: Ultrasonography showed a large well-circumscribed cystic-solid mass with lobulated margin, extending from the anterosuperior dome of the urinary bladder to the anterior abdominal wall...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28822718/role-of-the-coagulation-system-in-genitourinary-cancers-review
#19
REVIEW
Axel John, Christian Gorzelanny, Alexander T Bauer, Stefan W Schneider, Christian Bolenz
Tumor progression is associated with aberrant hemostasis, and patients with malignant diseases have an elevated risk of developing thrombosis. A crosstalk among the vascular endothelium, components of the coagulation cascade, and cancer cells transforms the intravascular milieu to a prothrombotic, proinflammatory, and cell-adhesive state. We review the existing evidence on activation of the coagulation system and its implication in genitourinary malignancies and discuss the potential therapeutic benefit of antithrombotic agents...
July 26, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28816297/-perirenal-cystic-lymphangioma-in-an-adult-a-case-report-and-literature-review
#20
W He, Y C Hao, H Z Xia, R Z Ma, B Yang, J Lu
Lymphangioma is a rare, benign mesenchymal neoplasm, which is characterized by numerous intercommunicating cystic spaces containing lymphatic fluid. It is considered a congenital disease resulting from the obstruction of regional lymph drainage during the developmental period. Lymphangioma frequently occurs in the cervical neck and axilla, also in the retroperitoneum, mediastinum, mesentery, omentum, colon, and pelvis, rarely in the perirenal space. These tumors usually present in childhood, but infrequently, these also present in adults...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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