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hemangiosarcoma

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https://www.readbyqxmd.com/read/29689619/canine-feline-and-equine-corneal-vascular-neoplasia-a-retrospective-study-2007-2015
#1
Alba Maria M Shank, Leandro B C Teixeria, Richard R Dubielzig
Corneal vascular neoplasms (hemangioma and hemangiosarcoma) are rare in all species. Reported cases are single case reports in a single species. Archived cases of corneal hemangioma and hemangiosarcoma from dogs, cats, and horses were obtained from the Comparative Ocular Pathology Lab of Wisconsin (COPLOW, Madison, WI), tabulated, and examined. This retrospective study describes the breeds, ages, tumor types, and characteristics of vascular neoplasms that appeared to be primarily corneal in location, in feline, canine, and equine patients, with gross and histologic images...
April 24, 2018: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29607237/adjuvant-radiochemotherapy-with-a-23-month-overall-survival-time-in-a-patient-after-a-surgery-due-to-splenic-hemangiosarcoma-rupture-a-case-report-with-the-literature-review
#2
M Bilski, D Surdyka, I Paśnik, M Bilska, P Cisek, P Korona, J Szumiło, L Grzybowska-Szatkowska
Spleen sarcoma is one of the most rare soft tissue malignancies. The annual incidence is 0.14-0.25/1,000,000 and the average age of diagnosis is 50 to 73 years. The incidence of this cancer has been increasing. Treatment of choice is surgical splenectomy, which rarely gives good results due to the aggressive course of the disease as well as the high potential for metastasis. Overall survival in primary spleen sarcomas as described by various authors is between 4 and 14 months. 80% of patients after spleen rupture do not survive 6 months...
2018: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/29606722/primary-colonic-hemangiosarcoma-in-a-dog
#3
Munetaka Iwata, Takeshi Aikawa, Yuta Miyazaki, Shigeo Sadahiro
A 13-year-old spayed female miniature dachshund dog was presented with a history of hematochezia, melena, and weight loss. A colonic mass detected by exploratory celiotomy was resected and diagnosed as hemangiosarcoma (HSA). Liver lobectomy for hepatic HSA was performed 894 days after surgery. Adjuvant chemotherapy was declined. This is the first documentation of a canine colonic HSA.
April 2018: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/29556671/induction-of-hemangiosarcoma-in-mice-after-chronic-treatment-with-s1p-modulator-siponimod-and-its-lack-of-relevance-to-rat-and-human
#4
Francois Pognan, J Andreas Mahl, Maria Papoutsi, David Ledieu, Marc Raccuglia, Diethilde Theil, Sarah B Voytek, Patrick J Devine, Katie Kubek-Luck, Natalie Claudio, Andre Cordier, Annabelle Heier, Carine Kolly, Andreas Hartmann, Salah-Dine Chibout, Page Bouchard, Christian Trendelenburg
A high incidence of hemangiosarcoma (HSA) was observed in mice treated for 2 years with siponimod, a sphingosine-1-phosphate receptor 1 (S1P1) functional antagonist, while no such tumors were observed in rats under the same treatment conditions. In 3-month rat (90 mg/kg/day) and 9-month mouse (25 and 75 mg/kg/day) in vivo mechanistic studies, vascular endothelial cell (VEC) activation was observed in both species, but VEC proliferation and persistent increases in circulating placental growth factor 2 (PLGF2) were only seen in the mouse...
March 19, 2018: Archives of Toxicology
https://www.readbyqxmd.com/read/29479033/carcinogenicity-of-quinoline-by-drinking-water-administration-in-rats-and-mice
#5
Michiharu Matsumoto, Hirokazu Kano, Masaaki Suzuki, Tadashi Noguchi, Yumi Umeda, Shoji Fukushima
The carcinogenicity of quinoline was examined by administrating quinoline in the drinking water to groups of 50 F344/DuCrj rats and 50 Crj: BDF1 mice of each sex. In rats, the doses of quinoline were 0, 200, 400, and 800 ppm for males and 0, 150, 300, and 600 ppm for females. In male rats, administration of quinoline was terminated at week 96 due to high mortality caused by tumors. There were significant increases of hepatocellular adenomas, hepatocellular carcinomas, hepatocellular adenomas and/or carcinomas (combined), and liver hemangiomas, hemangiosarcomas, hemangiomas and/or hemangiosarcomas (combined) in both male and female rats, and nasal esthesioneuroepitheliomas and sarcoma NOS (not otherwise specified) in males...
2018: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29408871/association-of-cancer-related-mortality-age-and-gonadectomy-in-golden-retriever-dogs-at-a-veterinary-academic-center-1989-2016
#6
Michael S Kent, Jenna H Burton, Gillian Dank, Danika L Bannasch, Robert B Rebhun
Golden retriever dogs have been reported to have an increased prevalence of cancer compared to other breeds. There is also controversy over the effect spay or neuter status might have on longevity and the risk for developing cancer. The electronic medical records system at an academic center was searched for all dogs who had a necropsy exam from 1989-2016. 9,677 canine necropsy examinations were completed of which 655 were golden retrievers. Age was known for 652 with a median age of death 9.15 years. 424 of the 652 (65...
2018: PloS One
https://www.readbyqxmd.com/read/29359968/in-vitro-effects-of-doxorubicin-and-tetrathiomolybdate-on-canine-hemangiosarcoma-cells
#7
Caroline Q Sloan, Carlos O Rodriguez
OBJECTIVE To assess the in vitro effects of doxorubicin and tetrathiomolybdate (TM) on cells from a canine hemangiosarcoma cell line. SAMPLE Cultured cells from the canine hemangiosarcoma-derived cell line DEN-HSA. PROCEDURES Cells were treated with TM (0 to 1.5μM), doxorubicin (0 to 5μM), or both with or without 24 hours of pretreatment with ascorbic acid (750μM). Degree of cellular cytotoxicity was measured with a colorimetric assay. Long-term growth inhibition was assessed with a 10-day colony-formation assay...
February 2018: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/29343200/immunohistochemical-expression-of-cd31-pecam-1-in-nonendothelial-tumors-of-dogs
#8
José A Ramos-Vara, Margaret A Miller, Dee M Dusold
CD31 immunoreactivity has been reported in human nonendothelial tumors of both epithelial and mesenchymal origin. This study examined CD31 immunoreactivity of 347 formalin-fixed, paraffin-embedded normal, nonneoplastic, and neoplastic canine tissues. CD31 expression was considered positive if at least 10% of the cell population had membranous reactivity. Labeling with the CD31 antibody (clone JC/70A) was observed in 16 samples of normal organs (liver, kidney, lymph node), 6 of 6 specimens of hepatic nodular hyperplasia, 3 of 3 hepatic regenerative nodules, 1 of 4 anal sac carcinomas, 6 of 6 hemangiosarcomas, 18 of 20 hepatocellular carcinomas, 1 of 6 mammary carcinomas, 3 of 5 plasmacytomas, 18 of 53 renal cell carcinomas, and 1 of 5 cutaneous histiocytomas...
January 1, 2018: Veterinary Pathology
https://www.readbyqxmd.com/read/29311493/cellular-atypia-is-negatively-correlated-with-immunohistochemical-reactivity-of-cd31-and-vwf-expression-levels-in-canine-hemangiosarcoma
#9
Aprilia Maharani, Keisuke Aoshima, Shinichi Onishi, Kevin Christian Montecillo Gulay, Atsushi Kobayashi, Takashi Kimura
Canine hemangiosarcoma (HSA) is one of the most common mesenchymal tumors in dogs. Its high metastatic and growth rates are usually associated with poor prognosis. Neoplastic cells of HSA can show various levels of cellular atypia in the same mass and may consist of various populations at different differentiated stages. Up to present, however, there is no report analyzing their differentiation states by comparing cellular atypia with differentiation-related protein expressions. To evaluate whether cellular atypia can be used as a differentiation marker in HSA, we analyzed correlation between cellular atypia and intensities of CD31 and von Willebrand Factor (vWF) staining in HSA cases...
February 9, 2018: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/29247544/removal-of-hemangiosarcoma-cells-from-canine-blood-with-a-cell-salvage-system-and-leukocyte-reduction-filter
#10
Brittany Ciepluch, Heather Wilson-Robles, Gwendolyn Levine, Roger Smith, Gus A Wright, Tasha Miller, Maureen T O'Brien, Kelley M Thieman Mankin
OBJECTIVE: To determine the ability of an intraoperative cell salvage (IOCS) system and a leukocyte reduction filter (LRF) to remove hemangiosarcoma (HSA) cells from canine blood. STUDY DESIGN: Cultured HSA cells were added to canine blood to simulate intraoperative hemorrhage and address hemoabdomen from ruptured splenic HSA. The blood/HSA cell mixture was processed through an IOCS, followed by LRF processing. SAMPLE POPULATION: Whole blood from 3 healthy dogs combined with cultured HSA cells...
February 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29235249/anticancer-effects-of-resveratrol-in-canine-hemangiosarcoma-cell-lines
#11
A Carlson, K S Alderete, M K O Grant, D M Seelig, L C Sharkey, B N M Zordoky
Hemangiosarcoma (HSA) is a highly malignant tumour with aggressive biological behaviour. HSAs are more common in dogs than other domestic animals. The median survival time of dogs with HSA remains short, even with chemotherapy and surgery. Therefore, there is a critical need to improve the adjuvant chemotherapeutic regimens to improve clinical outcomes in dogs with HSA. Resveratrol has been shown to possess strong anti-proliferative and/or pro-apoptotic properties in human cancer cell lines. Nevertheless, the potential anticancer effects of resveratrol have not been reported in canine HSAs...
December 13, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29199537/equine-renal-hemangiosarcoma-clinical-presentation-pathologic-features-and-pstat3-expression
#12
Katherine Hughes, Victoria H L Scott, Maximilian Blanck, Timothy P Barnett, Jannie Spanner Kristiansen, Alastair K Foote
Hemangiosarcoma is an uncommon tumor in horses. We characterized 3 cases of equine renal hemangiosarcoma, focusing on clinical and pathologic features, and describe occurrence of the epithelioid variant of hemangiosarcoma in one of these cases. Nuclear expression of phosphorylated STAT3 (pSTAT3) was assessed to analyze potential inappropriate STAT3 activation as a component of tumor pathogenesis. Clinical signs in the 3 horses included insidious weight loss, followed in one case by serosanguineous nasal discharge and terminal epistaxis, and nonspecific signs of abdominal pain...
March 2018: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/29190660/actionable-mutations-in-canine-hemangiosarcoma
#13
Guannan Wang, Ming Wu, Martha A Maloneyhuss, John Wojcik, Amy C Durham, Nicola J Mason, David B Roth
BACKGROUND: Angiosarcomas (AS) are rare in humans, but they are a deadly subtype of soft tissue sarcoma. Discovery sequencing in AS, especially the visceral form, is hampered by the rarity of cases. Most diagnostic material exists as archival formalin fixed, paraffin embedded tissue which serves as a poor source of high quality DNA for genome-wide sequencing. We approached this problem through comparative genomics. We hypothesized that exome sequencing a histologically similar tumor, hemangiosarcoma (HSA), that occurs in approximately 50,000 dogs per year, may lead to the identification of potential oncogenic drivers and druggable targets that could also occur in angiosarcoma...
2017: PloS One
https://www.readbyqxmd.com/read/29152836/modulation-of-fatty-acid-metabolism-and-immune-suppression-are-features-of-in-vitro-tumour-sphere-formation-in-ontogenetically-distinct-dog-cancers
#14
J-H Kim, A M Frantz, A L Sarver, B H Gorden Klukas, M Lewellen, T D O'Brien, E B Dickerson, J F Modiano
Non-adherent, 3-dimensional sphere formation is used as an in vitro surrogate to evaluate cellular potential for tumour initiation and self-renewal. To determine if a shared molecular program underlies the capacity for sphere formation by cells originating from diverse tumour types, we characterized molecular and functional properties of 10 independent cell lines derived from 3 ontogenetically distinct dog cancers: hemangiosarcoma, osteosarcoma and glial brain tumours. Genome-wide gene expression profiling identified tumour-of-origin-dependent patterns of adjustment to sphere formation in a uniform culture condition...
March 2018: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29111617/ocular-and-periocular-hemangiosarcoma-in-six-horses
#15
REVIEW
Nicole M Scherrer, Mary Lassaline, Julie Engiles
OBJECTIVE: To determine the characteristics of and prognosis for ocular and periocular hemangiosarcoma in horses. ANIMAL STUDIED: Six horses treated for ocular or periocular hemangiosarcoma. PROCEDURE: A retrospective review of medical records from 2007 to 2015 was performed to identify horses with a histologic diagnosis of ocular or periocular hemangiosarcoma. Signalment (age, sex, breed), duration of clinical signs, prior treatment, tumor size and location, medical and surgical treatment including postoperative chemotherapy, follow-up time, and outcome were obtained from medical records...
November 7, 2017: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29089652/diastolic-heart-failure-associated-with-hemangiosarcoma-infiltrating-left-ventricular-walls-in-a-dog
#16
Tatsuyuki Osuga, Kensuke Nakamura, Tomoya Morita, Yumiko Kagawa, Hiroshi Ohta, Mitsuyoshi Takiguchi
A 9-year-old Shetland sheepdog was diagnosed with cardiogenic pulmonary edema. Echocardiography revealed focally thickened left ventricular free wall and interventricular septum and left atrial dilation. Left ventricular systolic function was preserved. Doppler echocardiography of transmitral flow indicated restrictive left ventricular filling. Cardiac histopathology demonstrated hemangiosarcoma infiltrating the left ventricular walls.
November 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/29027350/liposome-encapsulated-chemotherapy-current-evidence-for-its-use-in-companion-animals
#17
REVIEW
B Børresen, A E Hansen, A Kjaer, T L Andresen, A T Kristensen
Cytotoxic drugs encapsulated into liposomes were originally designed to increase the anticancer response, while minimizing off-target adverse effects. The first liposomal chemotherapeutic drug was approved for use in humans more than 20 years ago, and the first publication regarding its use in a canine cancer patient was published shortly thereafter. Regardless, no general application for liposomal cytotoxic drugs has been established in veterinary oncology till now. Due to the popularity of canines as experimental models for pharmacokinetic analyses and toxicity studies, multiple publications exist describing various liposomal drugs in healthy dogs...
October 13, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/28993600/triple-phase-helical-computed-tomography-in-dogs-with-solid-splenic-masses
#18
Kenji Kutara, Mamiko Seki, Kumiko Ishigaki, Kenji Teshima, Chieko Ishikawa, Yumiko Kagawa, Kazuya Edamura, Tomohiro Nakayama, Kazushi Asano
We investigated the utility of triple-phase helical computed tomography (CT) in differentiating between benign and malignant splenic masses in dogs. Forty-two dogs with primary splenic masses underwent triple-phase helical CT scanning (before administration of contrast, and in the arterial phase, portal venous phase, and delayed phase) prior to splenectomy. Tissue specimens were sent for pathological diagnosis; these included hematomas (n=14), nodular hyperplasias (n=12), hemangiosarcomas (n=11), and undifferentiated sarcomas (n=5)...
November 17, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28973697/from-the-cover-fenretinide-troglitazone-and-elmiron-add-to-weight-of-evidence-support-for-hemangiosarcoma-mode-of-action-from-studies-in-mice
#19
Jon C Cook, Leslie A Obert, Petra Koza-Taylor, Timothy M Coskran, Alan C Opsahl, Daniel Ziemek, Marc Roy, Jessie Qian, Michael P Lawton, Kay A Criswell
Pharmaceuticals and chemicals produce hemangiosarcomas (HS) in mice, often by nongenotoxic, proliferative mechanisms. A mode-of-action (MOA) for hemangiosarcoma was proposed based on information presented at an international workshop (Cohen et al., Hemangiosarcoma in rodents: Mode-of-action evaluation and human relevance. Toxicol. Sci. 111, 4-18.). Five key elements of the MOA were articulated and included hypoxia, macrophage activation, increased angiogenic growth factors, dysregulated angiogenesis/erythropoiesis, and endothial cell proliferation...
January 1, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28966362/hemangiosarcoma-within-an-intermuscular-lipoma-in-a-golden-retriever-dog
#20
Claire Leriquier, Marie-Odile Benoit-Biancamano, Hugues Lacoste, Gregory D Herndon
A subcutaneous mass on the right pelvic limb of an 11-year-old neutered male golden retriever dog was surgically excised. A hemangiosarcoma included within an intermuscular lipoma was diagnosed upon histopathological examination. To the authors' knowledge, this is the first case report of this nature in a dog.
October 2017: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
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