References of "Bolen, Géraldine"
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See detailUsefulness of ultrasonography of deep cervical lymph nodes in diagnosis of neoplastic disease in horses
Evrard, Laurence ULg; Fonseca, Rita; Bolen, Géraldine ULg et al

in Veterinary Radiology & Ultrasound (in press)

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See detailCT SCAN FEATURES OF PRESUMPTIVE HAEMORRHAGIC STROKE IN A DOG WITH CUSHING’S DISEASE
Liotta, Annalisa Pia ULg; Cavrenne, Romain; Peeters, Dominique ULg et al

in Case reports in Veterinary Medicine (in press)

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See detailAgonistic sounds and swim bladder morphology in a malapterurid electric catfish
Boyle, Kelly; Bolen, Géraldine ULg; Parmentier, Eric ULg

in Journal of Zoology (2015)

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See detailLa "nuit étoilée" et le "triangle hyperéchogène péri-veineux hilaire", signes de torsion splénique à l'échographie?
Terradas Crespo, Emilia; Barthelemy, Nicolas ULg; Gommeren, Kris ULg et al

in Monde Vétérinaire (Le) : European Veterinary Magazine (2014), 147

Une splénomégalie avec des plages hypoéchogènes diffuses et de multiples lignes hyperéchogènes parallèles dans le parenchyme, appelé lacy pattern ou stary sky = nuit étoilée, est un signe ayant une haute ... [more ▼]

Une splénomégalie avec des plages hypoéchogènes diffuses et de multiples lignes hyperéchogènes parallèles dans le parenchyme, appelé lacy pattern ou stary sky = nuit étoilée, est un signe ayant une haute probabilité de torsion splénique à l’échographie. Un autre signe échographique a été décrit comme étant un signe encore plus fiable de torsion splénique aigue. Il s’agit du triangle hyperéchogène péri-veineux hilaire. Cependant, ces signes ne sont pas des signes pathognomoniques de torsion splénique à l’échographie. [less ▲]

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See detailInfluence of Morphine on the Rabbit Gastrointestinal Tract
Deflers, Hélène ULg; Bolen, Géraldine ULg; Gandar, Frederic ULg et al

Conference (2014, October 20)

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See detailFeasibility of ultrasound-guided epidural access at the lumbo-sacral space in dogs
Liotta, Annalisa Pia ULg; Busoni, Valeria ULg; Carrozzo et al

in Veterinary Radiology & Ultrasound (2014)

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See detailCorrelation between thoracic ct-scan angiography findings and echocardiographic right pulmonary vein to pulmonary artery ratio in west highland white terriers with idiopathic pulmonary fibrosis.
Roels, Elodie ULg; Merveille, Anne-Christine ULg; Couvreur, T. et al

in Proceedings of the 24th Ecvim Meeting, Mainz, Germany - 4-6 September 2014 (2014, September)

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See detailCT FEATURES OF A LACRIMAL GLAND TUMOR IN A DOG
Etienne, Anne-Laure ULg; Grauwels, Magda ULg; Storms, Goedele ULg et al

Poster (2014, August)

Background: In the dog, neoplasms of the lacrimal gland are rare. Lacrimal cysts were also reported. Computed tomography (CT) scan findings of these lacrimal gland abnormalities have not been described in ... [more ▼]

Background: In the dog, neoplasms of the lacrimal gland are rare. Lacrimal cysts were also reported. Computed tomography (CT) scan findings of these lacrimal gland abnormalities have not been described in dogs. Purpose: The present report describes clinical and CT features of a lacrimal gland tumor in a dog. Methods: A 3,5 year old female intact Leonberger with a good general health status was presented with a progressive swelling at the level of the supero-temporal area of the left upper eyelid and of the bulbar conjunctiva since 3 weeks. Ocular examination revealed a slight enophthalmia and a ventronasal strabismus, the presence of a firm mass in the upper eyelid which was anteriorly well circumscribed and extending posteriorly between the globe and the orbital ligament. Findings: A CT scan pre- and post- contrast studies of the head were performed. A 3 cm hypoattenuating (+/- 10 HU) ovoid mass was observed dorsolateral to the indented left globe. This mass was well circumscribed by an unevenly thick irregular soft tissue- attenuating wall (50HU), which was strongly contrast-enhanced (150HU) and measured about 2 to 10mm in thickness. The left globe was displaced caudoventromedially. No adjacent bone lesion, or foreign body was observed. No normal left lacrimal gland was observed. These findings were suggestive of an abscess or an orbital tumor with a necrotic/cystic center; a lacrimal cyst was considered less likely because of the unevenness and the thickness of the wall. Complete surgical ablation was done by a modified lateral orbitotomy. Histopathology revealed a mixed benign tumor of the lacrimal gland and a lymphocytic necrotic adenitis. Six months postoperatively no recurrence is noted and the tear production is 15mm/min. Conclusion: The lacrimal gland is located dorsolateral to the globe and produces tears. In human medicine, a wide range of lacrimal gland pathologies were described and assessed by computed imaging techniques. Pleomorphic adenomas (mixed benign tumor) could reveal irregular bone erosion and could undergo malignant transformation. In dogs, lacrimal cysts were described as thin walled structures.4 Only few articles reported lacrimal gland tumor. To the authors knowledge, CT findings of a lacrimal gland tumor have not been described previously. In conclusion, lacrimal gland tumor should be included in the differential diagnosis of a firm ovoid cystic/necrotic mass dorsolateral to the orbit. [less ▲]

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See detailAssessment of pulmonary hypertension in dogs with chronic pulmonary diseases by thoracic ct-angiography.
Couvreur, T.; Roels, Elodie ULg; Merveille, Anne-Christine ULg et al

in Proceedings of the ECVDI Meeting, Utrecht - Netherlands - 27-30 August 2014 (2014, August)

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See detailSuspicion de fibrose pulmonaire idiopathique chez un West Highland White Terrier
Roels, Elodie ULg; Bolen, Géraldine ULg; Clercx, Cécile ULg

in Monde Vétérinaire (Le) : European Veterinary Magazine (2014), 139

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See detailCT findings of an intra-abdominal metastatic sertoli cell tumor in a dog
Taylor, Olivia; Hamaide, Annick ULg; Mercier, Elise ULg et al

Poster (2013, December 01)

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See detailRetrait échoguidé d’un corps étranger localisé dans les tissus mous périphériques
Rizza, Maïlis ULg; Barthelemy, Nicolas ULg; Bolen, Géraldine ULg

in Monde Vétérinaire (Le) : European Veterinary Magazine (2013), 138

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See detailPersistent right aortic arch associated with an aberrant left subclavian artery arising from a patent ductus arteriosus in a puppy
Rizza, Maïlis ULg; Claeys, Stéphanie ULg; Billen, Frédéric ULg et al

Poster (2013, August 31)

PERSISTENT RIGHT AORTIC ARCH ASSOCIATED WITH AN ABERRANT LEFT SUBCLAVIAN ARTERY ARISING FROM A PATENT DUCTUS ARTERIOSUS IN A PUPPY Rizza M.*, Claeys S.**, Billen F.***, Mc Entee K. ***, Bolen G ... [more ▼]

PERSISTENT RIGHT AORTIC ARCH ASSOCIATED WITH AN ABERRANT LEFT SUBCLAVIAN ARTERY ARISING FROM A PATENT DUCTUS ARTERIOSUS IN A PUPPY Rizza M.*, Claeys S.**, Billen F.***, Mc Entee K. ***, Bolen G.* *Diagnostic Imaging Section, **Small Animal Surgery Section, ***Small Animal Internal Medicine Section, Department of Clinical Sciences (Companion Animal and Equides), Faculty of Veterinary Medicine, University of Liege, Belgium. Introduction Vascular anomalies develop during foetal development and single or multiple aberrant vessels can be present. Persistent right aorta arch (PRAA) represents over 90% of described vascular ring anomalies and can be accompanied by a left ligamentum arteriosum or a patent left ductus arteriosus (approximately 10% of patients) that causes oesophageal entrapment and secondary sub-obstruction. Radiography is an effective means of detecting vascular ring anomalies when oesophageal dilation and left-sided tracheal displacement are visible. Computed tomography angiography (CTA) is necessary to confirm the nature and the patency of the vascular anomalies present and to identify which of the identified anomalies is causing the clinical signs. Materials and methods A 3.5-month-old, male French Bulldog was presented for regurgitation and vomiting since weaning. Besides a low body score, physical exam was unremarkable. Hypoglycemia was observed on routine blood analysis. Thoracic radiographs and CTA of the thorax were performed. Results The radiographs revealed severe oesophageal dilation cranial to the base of the heart and a ventral and left-sided tracheal displacement. A congenital oesophageal diverticulum secondary to a vascular anomaly was suspected. CTA showed multiple vascular anomalies. A PRAA was observed. An aberrant right subclavian artery (ARSA) was identified originating from the PRAA next to the brachiocephalic trunk. A patent left-to-right patent ductus arteriosus (PDA) was detected between the aorta and the pulmonary trunk and an aberrant left subclavian artery (ALSA) originated from the PDA. The oesophagus was compressed between the PDA and the trachea and was dilated cranially to this narrowing. Endoscopy revealed severely esophageal distension cranially to an extraluminal stenosis. Surgery was performed to ligate and cut the PDA. Discussion Seven types of vascular ring anomaly are described: types I - III have a PRAA, type IV has a double aortic arch, and types V -VII have a left aortic arch with combinations of persistent right ligamentum arteriosum and right subclavian arteries. In the patient described here, the vascular ring anomalies are a novel variant of the defined types. To the authors’ knowledge, an ALSA originating from a PDA has not been described previously. The severe compression of the oesophagus with severe dilation cranial to the heart was caused by the PDA and was resolved by surgical intervention. In conclusion, CTA is necessary to determine which vascular anomalies are present and to identify which of these anomalies is responsible for the clinical signs. This technique enables accurate pre-operative planning. Pownder S. Scrivani PV. Non-selective computed tomography angiography of a vascular ring anomaly in a dog. J Vet Cardiol. 2008 Dec;10(2):125-8 Henjes CR, Nolte I, Wefstaedt P. Multidetector-row computed tomography of thoracic aortic anomalies in dogs and cats: patent ductus arteriosus and vascular rings. BMC Vet Res. 2011 Sep 23;7:57 [less ▲]

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See detailUltrasound-guided epidural access in dog
Liotta, Annalisa Pia ULg; Sandersen, Charlotte ULg; Busoni, Valeria ULg et al

in Veterinary Radiology and ultrasound (2013, August 29)

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See detailUltrasound-guided epidural access in dog
Bolen, Géraldine ULg

Master of advanced studies dissertation (2013)

Injections in the epidural space are commonly performed in veterinary medicine. To date, in dog ultrasound-guided epidural injection technique has not been described and herein our aim was to assess this ... [more ▼]

Injections in the epidural space are commonly performed in veterinary medicine. To date, in dog ultrasound-guided epidural injection technique has not been described and herein our aim was to assess this technique. A cross sectional anatomic atlas of the lumbosacral region and ex-vivo ultrasound images were obtained in two cadavers to describe the ultrasound anatomy of the region and to identify the landmarks. Eighteen cadavers were used to establish two different variations of an ultrasound-guided technique, using spinal needles or epidural catheters. The technique was then performed in three cadavers in situations, considered similar to the daily clinical activity. Contrast medium was injected and a computed tomography examination of the region was performed to assess the success of this technique. The anatomic landmarks used to carry out the procedure were the seventh lumbar vertebra, the iliac wings and the first sacral vertebra. The target for the needle placement was the vertebral canal of the lumbosacral space, visualized in a parasagittal plane, which displayed a trapezoid-shaped echogenic image and the insertion of the spinal needle or epidural catheter was guided and followed in real time, until it reached the vertebral canal. In conclusion, we described the feasibility of an ultrasound-guided epidural access technique in dog. [less ▲]

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