Mast cells in canine cutaneous hemangioma, hemangiosarcoma and mammary tumors

Mast cell count (MCC) in 45 dogs with cutaneous hemangioma (HA, n = 12), hemangiosarcoma (HSA, n = 12), mammary adenoma (AD, n = 9) and mammary adenocarcinoma (AC, n = 12) was made using Toluidine blue stained sections. Antibodies against endothelial cell markers, Factor VIII and VEGF were used to v...

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Veröffentlicht in:Veterinary research communications 2010-02, Vol.34 (2), p.153-160
Hauptverfasser: Woldemeskel, Moges, Rajeev, Sreekumari
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description Mast cell count (MCC) in 45 dogs with cutaneous hemangioma (HA, n = 12), hemangiosarcoma (HSA, n = 12), mammary adenoma (AD, n = 9) and mammary adenocarcinoma (AC, n = 12) was made using Toluidine blue stained sections. Antibodies against endothelial cell markers, Factor VIII and VEGF were used to visualize and determine the hot spot micro-vessel density (MVD). Total MCC and MCC along the invasive edges were significantly higher (p  0.05), in HSAs (8.6 ± 3.3) than in HAs (5.5 ± 2.8). There is a positive correlation (r = 0.14) between the hot spot MCC and MVD in mammary AC, although not significant (p = 0.3172), indicating that mast cells are associated with angiogenesis in canine mammary AC. This study suggests that mast cells may play an important role in neovascularization of canine cutaneous vascular and mammary neoplasms. Detailed studies encompassing correlation of MCC and MVD with clinical outcomes and prognosis in these neoplasms are recommended.
doi_str_mv 10.1007/s11259-010-9341-1
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Antibodies against endothelial cell markers, Factor VIII and VEGF were used to visualize and determine the hot spot micro-vessel density (MVD). Total MCC and MCC along the invasive edges were significantly higher (p &lt; 0.001) in canine mammary AC than in AD. The total MCC did not significantly differ (p &gt; 0.05), in HSAs (8.6 ± 3.3) than in HAs (5.5 ± 2.8). There is a positive correlation (r = 0.14) between the hot spot MCC and MVD in mammary AC, although not significant (p = 0.3172), indicating that mast cells are associated with angiogenesis in canine mammary AC. This study suggests that mast cells may play an important role in neovascularization of canine cutaneous vascular and mammary neoplasms. 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Antibodies against endothelial cell markers, Factor VIII and VEGF were used to visualize and determine the hot spot micro-vessel density (MVD). Total MCC and MCC along the invasive edges were significantly higher (p &lt; 0.001) in canine mammary AC than in AD. The total MCC did not significantly differ (p &gt; 0.05), in HSAs (8.6 ± 3.3) than in HAs (5.5 ± 2.8). There is a positive correlation (r = 0.14) between the hot spot MCC and MVD in mammary AC, although not significant (p = 0.3172), indicating that mast cells are associated with angiogenesis in canine mammary AC. This study suggests that mast cells may play an important role in neovascularization of canine cutaneous vascular and mammary neoplasms. 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Antibodies against endothelial cell markers, Factor VIII and VEGF were used to visualize and determine the hot spot micro-vessel density (MVD). Total MCC and MCC along the invasive edges were significantly higher (p &lt; 0.001) in canine mammary AC than in AD. The total MCC did not significantly differ (p &gt; 0.05), in HSAs (8.6 ± 3.3) than in HAs (5.5 ± 2.8). There is a positive correlation (r = 0.14) between the hot spot MCC and MVD in mammary AC, although not significant (p = 0.3172), indicating that mast cells are associated with angiogenesis in canine mammary AC. This study suggests that mast cells may play an important role in neovascularization of canine cutaneous vascular and mammary neoplasms. Detailed studies encompassing correlation of MCC and MVD with clinical outcomes and prognosis in these neoplasms are recommended.</abstract><cop>Dordrecht</cop><pub>Dordrecht : Springer Netherlands</pub><pmid>20127412</pmid><doi>10.1007/s11259-010-9341-1</doi><tpages>8</tpages></addata></record>
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subjects Adenocarcinoma - blood supply
Adenocarcinoma - pathology
Adenocarcinoma - veterinary
Adenoma - blood supply
Adenoma - pathology
Adenoma - veterinary
angiogenesis
Animals
Biomedical and Life Sciences
blood vessels
Cell Count - veterinary
dog diseases
Dog Diseases - pathology
Dogs
Factor VIII - metabolism
Female
hemangioma
Hemangioma - blood supply
Hemangioma - pathology
Hemangioma - veterinary
hemangiosarcoma
Hemangiosarcoma - blood supply
Hemangiosarcoma - pathology
Hemangiosarcoma - veterinary
Immunohistochemistry - veterinary
Life Sciences
mammary neoplasms (animal)
Mammary Neoplasms, Animal - blood supply
Mammary Neoplasms, Animal - pathology
mast cells
Mast Cells - pathology
Mastocytosis - blood supply
Mastocytosis - pathology
Mastocytosis - veterinary
micro-vessel density
Neovascularization, Pathologic - metabolism
Neovascularization, Pathologic - pathology
Neovascularization, Pathologic - veterinary
Original Article
skin
Skin Neoplasms - blood supply
Skin Neoplasms - pathology
Skin Neoplasms - veterinary
Vascular Endothelial Growth Factor A - metabolism
Veterinary Medicine/Veterinary Science
Zoology
title Mast cells in canine cutaneous hemangioma, hemangiosarcoma and mammary tumors
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