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hemangiosarcoma

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https://www.readbyqxmd.com/read/30410179/piecemeal-endoscopic-polypoidectomy-for-the-management-of-a-canine-pharyngeal-hemangiosarcoma
#1
Joseph Cyrus Parambeth, Jessica M Vallone, John F Griffin, Audrey K Cook
A 7-year-old castrated male Maltese dog was presented for increased respiratory sounds, inability to bark, dysphagia, and hyporexia. Radiographs revealed an ovoid, opaque mass in the caudal nasopharynx. An airway examination and computed tomography scan were followed by endoscopic polypoidectomy. The mass was a hemangiosarcoma, and the patient survived > 13 months.
November 2018: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/30360911/retrospective-pathological-studies-of-splenic-lesions-in-domestic-hamsters-phodopus-spp
#2
Y C Tuan, R C Wan, J P Kao, H Y Chiou, K Takahashi, J W Liao
Fifteen splenic biopsy specimens from a total of 212 biopsy specimens and necropsy cases of domestic hamsters (Phodopus spp.) from the Division of Wild (Exotic) Animal Medicine, Veterinary Medical Teaching Hospital, National Chung Hsing University, Taiwan, collected between 2010 and 2017, were studied retrospectively. The incidence of lesions in the spleen was 7.1% (15/212). The mean age of affected hamsters was 16.6 months and females were affected more than males. The lesions consisted of 10 neoplasms and five non-neoplastic lesions...
October 2018: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/30285832/notch2-signal-is-required-for-the-maintenance-of-canine-hemangiosarcoma-cancer-stem-cell-like-cells
#3
Keisuke Aoshima, Yuki Fukui, Kevin Christian Montecillo Gulay, Ochbayar Erdemsurakh, Atsuya Morita, Atsushi Kobayashi, Takashi Kimura
BACKGROUND: Hemangiosarcoma (HSA) is a malignant tumor derived from endothelial cells which usually shows poor prognosis due to its high invasiveness, metastatic rate and severe hemorrhage from tumor ruptures. Since the pathogenesis of HSA is not yet complete, further understanding of its molecular basis is required. RESULTS: Here, we identified Notch2 signal as a key factor in maintaining canine HSA cancer stem cell (CSC)-like cells. We first cultured HSA cell lines in adherent serum-free condition and confirmed their CSC-like characteristics...
October 3, 2018: BMC Veterinary Research
https://www.readbyqxmd.com/read/30267450/in-vitro-effects-of-the-chemotherapy-agent-water-soluble-micellar-paclitaxel-paccal-vet-on-canine-hemangiosarcoma-cell-lines
#4
Caroline R Reckelhoff, Amandine Lejeune, Patrick M Thompson, Keijiro Shiomitsu
Paccal Vet (Osamia Pharmaceuticals) is a water-soluble nanoparticle micellar formulation of the drug paclitaxel that is well tolerated in dogs. This study evaluated the in vitro effect of Paccal Vet on two canine hemangiosarcoma (HSA) cell lines and their expression of vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF). Paccal Vet caused HSA cell death in a dose- and time-dependent manner. The 50% inhibitory concentration (IC50 ) for the two HSA cell lines were 7 to 610 ng/mL, which are clinically achievable...
September 28, 2018: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/30246401/anatomic-site-and-etiology-of-hemorrhage-in-small-versus-large-dogs-with-spontaneous-hemoperitoneum
#5
Jeremy Fleming, Michelle A Giuffrida, Jeffrey J Runge, Ingrid M Balsa, William T N Culp, Philipp D Mayhew, Michele Steffey, Steven E Epstein
OBJECTIVE: To compare anatomic sources and underlying etiology of hemorrhage in small vs large dogs with spontaneous hemoperitoneum (SH). STUDY DESIGN: Retrospective cross-sectional study. ANIMALS: Client-owned dogs with SH at 2 academic institutions. METHODS: Medical records were reviewed for age, breed, sex, weight, and results of imaging, surgery, necropsy, cytology, and histopathology. Dogs were divided according to body weight (≤ 20 kg = small, > 20 kg = large)...
November 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/30242852/long-term-postoperative-effects-of-administration-of-allogeneic-blood-products-in-104-dogs-with-hemangiosarcoma
#6
Brittany J Ciepluch, Heather M Wilson-Robles, Medora B Pashmakova, Christine M Budke, Gary W Ellison, Kelley M Thieman Mankin
OBJECTIVE: To determine the influence of administering allogeneic blood products (ABP) on the progression of hemangiosarcoma in dogs. STUDY DESIGN: Multi-institutional, retrospective study. SAMPLE POPULATION: One hundred four dogs with hemangiosarcoma that survived until postoperative discharge from the hospital. METHODS: Medical records of dogs that had been operated on for hemoangiosarcoma were reviewed for signalment, presence of a hemoabdomen, presence of metastatic disease, and whether the dog had received chemotherapy or Yunnan Baiyao...
November 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/30197439/canine-visceral-hemangiosarcoma-treated-with-surgery-alone-or-surgery-and-doxorubicin-37-cases-2005-2014
#7
Karen Batschinski, Alessandra Nobre, Ernesto Vargas-Mendez, Marcello V Tedardi, Juliana Cirillo, Greice Cestari, Rodrigo Ubukata, Maria Lucia Z Dagli
The purpose of this retrospective study was to determine survival times and prognostic factors of dogs with visceral hemangiosarcoma (HSA) treated with surgery alone or surgery and doxorubicin. Medical records from 2 hospitals from 2005 to 2014 were searched for dogs with histopathologically confirmed visceral HSA. Data relevant to patient demographics, tumor characteristics, and outcomes were abstracted. The most common primary organ affected was the spleen; however, primary tumor location had no influence on prognosis...
September 2018: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/30136913/cutaneous-epithelioid-hemangiosarcoma-with-granular-cell-differentiation-in-a-dog-a-case-report-and-review-of-the-literature
#8
Pompei Bolfa, Lusan DellaGrotte, Teri Weronko, Anibal G Armien
We report a case of cutaneous epithelioid hemangiosarcoma in a dog in which the majority of the neoplastic cells displayed histologic and ultrastructural features similar to those seen in granular cell tumors (GCTs). This intersection of hemangiosarcoma and granular cell change adds to the argument that GCTs are heterogeneous in histologic origin and underlines the fact that pathologists should not consider all GCTs as a single entity. The combination of histology in typical areas of the tumor with ultrastructural changes and the correct immunohistochemical markers can facilitate the accurate diagnosis of tumors with granular cell differentiation...
August 23, 2018: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/30066297/vimentin-osteocalcin-and-osteonectin-expression-in-canine-primary-bone-tumors-diagnostic-and-prognostic-implications
#9
Camila Barbosa Amaral, Juliana da Silva Leite, Ana Beatriz Monteiro Fonseca, Ana Maria Reis Ferreira
Canine primary bone tumors have a plastic radiographic image, demanding histopathological confirmation. Bone tumors are characterized by the type and amount of extracellular matrix produced what cannot be easily recognized, especially in biopsy samples. Identifying cellular markers that could aid diagnosis has supported various studies in oncological pathology. This study aimed to evaluate 22 canine primary bone neoplasms, establishing their histopathological diagnosis and evaluated vimentin, osteonectin and osteocalcin expression and their implication in diagnosis and prognosis...
October 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/30051473/primary-appendicular-hemangiosarcoma-and-telangiectatic-osteosarcoma-in-70-dogs-a-veterinary-society-of-surgical-oncology-retrospective-study
#10
Michelle A Giuffrida, Debra A Kamstock, Laura E Selmic, William Pass, Anna Szivek, Michael B Mison, Sarah E Boston, Leslie E Fox, Cecilia Robat, Janet A Grimes, Karl C Maritato, Nicholas J Bacon
OBJECTIVE: To define and compare clinical characteristics of canine primary appendicular hemangiosarcoma (HSA) and telangiectatic osteosarcoma (tOSA), including signalment, presentation, response to treatment, and prognosis. STUDY DESIGN: Multi-institutional retrospective study. ANIMALS: Seventy dogs with primary appendicular HSA or tOSA. METHODS: Patient data were obtained from institutions' medical records. Immunohistochemistry was applied to archived tissues to establish tumor type...
August 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/30039997/pericardial-hemangiosarcoma-in-a-10-year-old-papillon
#11
Dana M DeSandre-Robinson, Mariana T Quina, David M Lurie
A 10 yr old papillon was evaluated for lethargy, inappetence, tachypnea, and labored breathing. Physical examination findings included dehydration, tachypnea, tachycardia, and muffled heart sounds. Thoracic radiographs revealed an enlarged cardiac silhouette. Echocardiography revealed a mild volume of pericardial effusion and no evidence of right atrial tamponade or a cardiac-associated mass. Cytological analysis of the pericardial effusion was consistent with blood. There was no evidence of neoplasia. Coagulation parameters were within normal limits...
September 2018: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/30017210/corrigendum-to-interleukin-8-promotes-canine-hemangiosarcoma-growth-by-regulating-the-tumor-microenvironment-exp-cell-res-2014-15-323-1-155-64
#12
J H Kim, A M Frantz, K L Anderson, A J Graef, M C Scott, S Robinson, L C Sharkey, T D O'Brien, E B Dickerson, J F Modiano
No abstract text is available yet for this article.
October 1, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/30011343/in-vitro-effects-of-pi3k-mtor-inhibition-in-canine-hemangiosarcoma
#13
Alex A Pyuen, Travis Meuten, Barbara J Rose, Douglas H Thamm
While extremely rare in humans, hemangiosarcoma (HSA) accounts for nearly 2% of canine neoplasia, and is characterized by both aggressive local growth/invasion and a high rate of metastasis. Both canine and human HSA exhibit sustained aberrant PI3K/Akt/mTOR pathway signaling. The purpose of this study was to examine the in vitro effects of a novel dual PI3K/mTOR inhibitor, VDC-597, in three canine HSA cell lines (DEN-, CIN-, and SB-HSA). VDC-597 suppressed activation of both Akt and 4eBP1 in canine HSA cells in a dose-dependent fashion, with an IC50 of approximately 0...
2018: PloS One
https://www.readbyqxmd.com/read/29955437/hemangiosarcoma-in-a-dog-unusual-presentation-and-increased-survival-using-a-complementary-holistic-approach-combined-with-metronomic-chemotherapy
#14
Philip Chaikin, Anja Welihozkiy
This case report documents the clinical and pathologic findings in a 12-year-old terrier mix with intraocular and splenic hemangiosarcoma. Pathologic findings in both the spleen and globe were consistent with hemangiosarcoma with a low mitotic count. Initial treatment consisted of enucleation and then splenectomy followed by one cycle of conventional doxorubicin chemotherapy. Due to poor tolerance, a subsequent treatment regimen consisted of metronomic chemotherapy with chlorambucil combined with an alternative/complementary regimen of I'm-Yunity (polysaccharopeptide) and Yunnan Baiyao...
2018: Case reports in veterinary medicine
https://www.readbyqxmd.com/read/29729268/treatment-approaches-and-outcomes-for-primary-mediastinal-sarcoma-analysis-of-976-patients
#15
Kathryn E Engelhardt, Malcolm M DeCamp, Anthony D Yang, Karl Y Bilimoria, David D Odell
BACKGROUND: Primary mediastinal sarcomas are rare and deadly. Our objective was to describe the clinicopathological features, treatment strategies, and overall survival outcomes for a contemporary cohort of patients diagnosed with primary mediastinal sarcoma in the United States. METHODS: We queried the National Cancer Database for cases of mediastinal sarcoma diagnosed from 2004 to 2012. Five-year overall survival (OS) was examined using the Kaplan-Meier method...
August 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29689619/canine-feline-and-equine-corneal-vascular-neoplasia-a-retrospective-study-2007-2015
#16
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
#17
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
#18
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
#19
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...
May 2018: Archives of Toxicology
https://www.readbyqxmd.com/read/29479033/carcinogenicity-of-quinoline-by-drinking-water-administration-in-rats-and-mice
#20
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
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