2011
DOI: 10.1292/jvms.11-0201
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Cerebral Vascular Hamartoma with Thrombosis in a Dog

Abstract: ABSTRACT. A cerebral vascular hamartoma was identified in the frontal lobe, striatum and thalamus of the right side of the brain of a male, 7-year-old Shih Tzu. Histologically, the lesion consisted of thin-walled vessels, which showed various sizes and occasionally contained fibrin thrombi. These vascular walls were composed of a single layer of fibromuscular tissue lined by flat endothelium with various amount of collagen, but devoid of large coat of smooth muscles and elastic tissue. Immunohistochemically, t… Show more

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Cited by 16 publications
(36 citation statements)
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“…The term AVM has been used for more complex lesions that involve multiple aberrant shunting vessels that originate from one or more arteries and terminate in one or more venous structures . The term vascular hamartoma has been used for a nodular growth consisting of disorganized and excessive proliferations of nonneoplastic vascular tissue, many of which contain AVF and/or AVMs . Lesions characterized as AVF have been more often acquired, whereas AVM have been more often congenital .…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…The term AVM has been used for more complex lesions that involve multiple aberrant shunting vessels that originate from one or more arteries and terminate in one or more venous structures . The term vascular hamartoma has been used for a nodular growth consisting of disorganized and excessive proliferations of nonneoplastic vascular tissue, many of which contain AVF and/or AVMs . Lesions characterized as AVF have been more often acquired, whereas AVM have been more often congenital .…”
Section: Discussionmentioning
confidence: 99%
“…2,3 The term vascular hamartoma has been used for a nodular growth consisting of disorganized and excessive proliferations of nonneoplastic vascular tissue, many of which contain AVF and/or AVMs. 6 Lesions characterized as AVF have been more often acquired, whereas AVM have been more often congenital. 3 The most common reported causes of acquired AVFs have been blunt or penetrating trauma, 7 surgical procedures, 8 or catheterization.…”
Section: Discussionmentioning
confidence: 99%
“…Examination by CT revealed a well-demarcated mass in the frontal lobe, striatum, and thalamus of a 7-year-old dog resulting in the diagnosis of a cerebral vascular hamartoma postmortem. 14 Both imaging techniques (MRI and CT) were able to identify a mass but differential diagnosis included neoplasia and less likely granuloma. Postmortem histology confirmed the diagnosis of a vascular hamartoma.…”
Section: Research-article2014mentioning
confidence: 99%
“…Brain hamartoma in a 7-year-old dog (59), cerebral vascular hamartoma with petechiae and necrosis in an 11-year-old cat (44) and gastric hamartoma in another 11-year-old cat (62), are just a few examples. This proves that lesions can sometimes grow very slowly and cause clinical symptoms only in geriatric animals.…”
mentioning
confidence: 99%