2008
DOI: 10.1177/0192623308327116
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Congenital Intrahepatic Vascular Anomaly in a Clinically Normal Laboratory Beagle

Abstract: Routine necropsy examination of a clinically normal, ten-month-old male beagle dog identified disruption of the dorsal aspect of the right median liver lobe by a multiloculated, pale tan-white, thick-walled mass, with diffuse hypertrophy of the left and caudate liver lobes. The nature of the lesion was investigated using a variety of immunohistochemical and histochemical techniques. Histologically, the lesion was characterized by marked, focally extensive vascular hyperplasia and ectasia with lobular atrophy, … Show more

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Cited by 6 publications
(8 citation statements)
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“…Similar thrombi were found in four of eight hamartomas in cattle [16]. The ascites seen in our patient was due to portal hypertension [21]. The ultrasonographic findings of the liver were uncharacteristic of cholestasis [25] or liver tumours [27].…”
Section: Case Presentationsupporting
confidence: 74%
“…Similar thrombi were found in four of eight hamartomas in cattle [16]. The ascites seen in our patient was due to portal hypertension [21]. The ultrasonographic findings of the liver were uncharacteristic of cholestasis [25] or liver tumours [27].…”
Section: Case Presentationsupporting
confidence: 74%
“…In the human literature, hamartomas are reported mainly in newborns and are usually present from birth, except in two reports of hamartomas in adults 26,27 . Interestingly, all dogs in this study, as well as those described in the veterinary literature, were middle‐aged and older dogs, ranging between 2 and 15 years of age 7–18 …”
Section: Discussionmentioning
confidence: 46%
“…Canine hamartomas have been described in dogs in several different tissues and organs, including kidney, lung, skin, periodontal ligament, vasculature, musculature, peripheral nerve, spinal cord, and hypothalamus 7–18 . Although canine hamartomas are reported in several different anatomic locations, the reports are mostly single case reports or sporadically descriptions of 3–5 patients.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, cavernous or sinusoidal structures were not associated with a-SMA-positive pericytes, and some vasculatures had discontinuous muscular walls. Heterogeneity of the vasculatures composing a lesion is observed in some vascular hamartomas (Sugiyama et al 2007;Yasuno et al 2011) or congenital vascular abnormalities (Booler 2008;Redondo 2007), but not in vascular tumors (Calonje and Flecher 2007). As per these histological features of the uterine vasculatures, the lesion in the present case might be a vascular malformation rather than a true neoplasia.…”
Section: Case Reportmentioning
confidence: 99%