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Perivascular wall tumors (PWTs) are defined as neoplasms deriving from mural cells of blood vessels, excluding the endothelial lining. The spectrum of human cutaneous PWT includes glomus tumor, hemangiopericytoma (HEP), myopericytoma, angioleiomyoma/sarcoma, angiomyofibroblastoma, and angiofibroma. The purpose of this study was to revise clinical(More)
In the present study, a case of a spontaneously metastasizing seminoma in 9-year-old pet lionhead rabbit is described. The rabbit was presented with unilateral testicular enlargement and a palpable abdominal mass. Spiral computed tomography revealed the presence of an abdominal-pelvic mass in the region of the sublumbar lymph nodes. Testes and lymph nodes(More)
OBJECTIVE To determine factors predicting survival in dogs with high-grade multicentric lymphoma. Design-Retrospective cohort study. Animals-127 dogs with high-grade multicentric lymphoma evaluated at 4 veterinary hospitals from 2000 to 2009. PROCEDURES Records were reviewed to identify dogs with completely staged high-grade multicentric lymphoma treated(More)
Mutations in the intracellular juxtamembrane domain of the c-kit gene in 32 dogs with different grades of histologically confirmed mastocytoma were studied. Transcript RNAs extracted from neoplastic tissue surgically collected from dogs of different breeds and from a negative control were reverse transcribed into complementary DNA and amplified by(More)
KIT receptor, the c-kit gene product, is thought to play a major role in canine mastocytoma, one of the most common neoplastic diseases in dogs. In the present study, the expression of c-kit proto-oncogene in blood and in tumor biopsies from 41 dogs with histologically confirmed mastocytoma at different grades of cellular differentiation and 5 negative(More)
OBJECTIVE To describe clinical characteristics, treatment, and outcome of dogs with inflammatory carcinoma (IC) and identify patient-, tumor-, and treatment-related factors associated with overall survival time. DESIGN Retrospective case series. ANIMALS 43 client-owned dogs. PROCEDURES Records of dogs with a clinical diagnosis of IC that had(More)
BACKGROUND Splenic marginal zone lymphomas (MZL) in dogs arise from the marginal zone of B-cell follicles and can progress slowly. OBJECTIVES To describe clinical features, treatment, and outcome of dogs with splenic MZL. ANIMALS Five dogs with naturally occurring MZL. METHODS Clinical, laboratory, and follow-up data were retrospectively reviewed.(More)
Cytosine arabinoside (ara-C) is a component of many protocols for the treatment of acute leukaemia and non-Hodgkin lymphomas in humans. The aim of the study was to prospectively evaluate the efficacy of ara-C in a myeloablative regimen in a cohort of canine lymphomas with bone marrow involvement. Seventeen dogs were enrolled. Eight were treated with a(More)
BACKGROUND Chronic lymphocytic leukemia (CLL) is a hematologic disorder in dogs, but studies on prognostic factors and clinical outcome are lacking. In people, several prognostic factors have been identified and currently are used to manage patients and determine therapy. OBJECTIVES The aim of the study was to determine if the immunophenotype of(More)
Vascular endothelial growth factor (VEGF) and metalloproteinase (MMP) 2 and 9 are useful biomarkers in human lymphoma. During cancerogenesis, transforming growth factor beta (TGF-β) stimulates VEGF and MMPs production. VEGF and TGF-β plasma levels were tested by ELISA, MMP-2 and MMP-9 by gelatine zymography in 37 dogs with lymphoma, 13 of which were also(More)