Histopathological and Immunohistochemical Characteristics of a Local Aggressive Canine Hemangiopericytoma (CHP) After Surgery

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Khordadmehr Monireh; Jarolmasjed Seyed Hossein; ASHRAFI HELAN JAVAD; Hooshyar Morteza

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Journal: Iranian Journal of Veterinary Surgery Year:2018 | Volume:13 | Issue:1 (28) Page(s): 73-78

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Title

Histopathological and Immunohistochemical Characteristics of a Local Aggressive Canine Hemangiopericytoma (CHP) After Surgery

Author(s)

Khordadmehr Monireh | Jarolmasjed Seyed Hossein | ASHRAFI HELAN JAVAD | Hooshyar Morteza | Issue Writer Certificate

Keywords

Perivascular wall tumors (PWTs)Q1

HemangiopericytomaQ2

SurgeryQ1

HistopathologyQ2

ImmunohistochemistryQ2

Abstract

Case description: In the present paper, we describe the gross morphology, Histopathology and immunoreactivity of a Hemangiopericytoma (HP) as a PWT in a dog with recurrence after surgical excision. Clinical findings: The mass was 3-4 cm, solitary, soft, unencapsulated, well circumscribed and grey to brown color. Cut surfaces of the mass contained discrete, round and relatively homogeneous tumors without any lobulation and liquefied foci in the centers. Histologically, the tumor was richly vascularized which arranged in staghorn vessels pattern. The neoplastic cells were uniform in appearance with mild to moderate pleomorphism and had spindle-shaped to oval/round nuclei with vesicular to hyperchromatic chromatin and eosinophilic to the amphophilic cytoplasm with variable amounts of the collagenous stroma. In the immunohistochemical evaluation, proliferating stromal and vascular cells in this tumor demonstrated strong immunoreactivity for vimentin and α-smooth muscle actin. Although, these cells were negative for S100, lysozyme, CD31, and CD34. Treatment and outcome: Regarding to the repeated recurrence of this tumor after surgical excision, amputation of forelimb will probably be performed. Clinical relevance: The present findings show that Hemangiopericytoma in dogs can be a locally aggressive behavior with a repeated recurrence that led to the surgical amputation of limbs or even euthanasia of dogs.

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APA: Copy

Khordadmehr, Monireh, Jarolmasjed, Seyed Hossein, ASHRAFI HELAN, JAVAD, & Hooshyar, Morteza. (2018). Histopathological and Immunohistochemical Characteristics of a Local Aggressive Canine Hemangiopericytoma (CHP) After Surgery. IRANIAN JOURNAL OF VETERINARY SURGERY (IJVS), 13(1 (28) ), 73-78. SID. https://sid.ir/paper/135709/en

Vancouver: Copy

Khordadmehr Monireh, Jarolmasjed Seyed Hossein, ASHRAFI HELAN JAVAD, Hooshyar Morteza. Histopathological and Immunohistochemical Characteristics of a Local Aggressive Canine Hemangiopericytoma (CHP) After Surgery. IRANIAN JOURNAL OF VETERINARY SURGERY (IJVS)[Internet]. 2018;13(1 (28) ):73-78. Available from: https://sid.ir/paper/135709/en

IEEE: Copy

Monireh Khordadmehr, Seyed Hossein Jarolmasjed, JAVAD ASHRAFI HELAN, and Morteza Hooshyar, “Histopathological and Immunohistochemical Characteristics of a Local Aggressive Canine Hemangiopericytoma (CHP) After Surgery,” IRANIAN JOURNAL OF VETERINARY SURGERY (IJVS), vol. 13, no. 1 (28) , pp. 73–78, 2018, [Online]. Available: https://sid.ir/paper/135709/en

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