Posters Veterinary Pathology

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1. Effect of testostrone and tacrolimus on nerve regeneration process after injury in rat: histopathologic evaluation | M. Jazinidorcheh 

17. Three-dimensional qualitative and quantitative analysis of mouse corneal nerve | M. Inanaga 

22.  Characterization of renal (dys)function in rat models of early and advanced chronic kidney disease | H. Vala

40. A new wild type mouse model paves the way for the study of usutu virus pathogenicity in mammals | M. Gérardy

48. Acceleration of age-associated changes and decreased survival in old mice by deletion of the gene flower | T. Carvalho

66. Insights into the pathogenesis of peripheral nerve lesions in a modified virus-induced animal model of multiple sclerosis | E. Leitzen 

67. Dcir expression on dendritic cells decelerates early t cell activation in a murine mixed bone marrow chimera model of neurotropic virus infections | M. Stoff

69. Olfactory and respiratory epithelial impairment and recovery after vanadium exposure in rats | M.l. pinto 

70. Causes and incidence of failure to litter in control rats from extended one-generation reproductive toxicity studies | M. Levi

71. Effects of vanadium in the cns at different time points-preliminary results in rats | M.L. pinto 

73. Ketamine administration at the 1-4 somites stage zebrafish does not alter the distribution pattern of serotonin 5-ht-2b receptors  in adult animals | M.l. pinto

76. Pathogenesis of intranasal inoculation of rift valley fever virus in the ferret | A.L. Schlachter

103. Treg-ablated foxp3dtr mice are a model of inflammatory myopathy and autoimmune myocarditis | F. Prisco

106. Signalling of the c-type lectin receptor clec12a restrains protective immunity during acute theiler’s murine encephalomyelitis virus infection | M.K. ameen

109. Characterization of dorsal root ganglia of golden syrian hamsters (mesocricetus auratus) in a physiological and potential pathological state | I. Zdora

111. Unexpected histopathological findings in selected pre-clinical medical device studies | P. Ortega

119. Refinement of microneedles application-a comparative study regarding species variation in skin histology | M.L. pinto

121. Effects of ketamine administration on the expression of sox 2 in the zebrafish cns | M.L. pinto 

124. Assessing the in vivo effects of aloysia citrodora extract: data from k14-hpv16 transgenic mice | H. Vala 

141. Herpes simplex virus type 1 (hsv-1) induced keratitis: nanoparticles and antiviral peptides as a novel topical treatment | I. Ruedas-torres

165. Post-mortem findings in neonatal c57bl/6j pups | S. Capas-peneda

202. Ai-driven quantification of cryptosporidium spp. In the intestine of infant | C. Goepfert 

207. A novel sars-cov-2 modified live vaccine with an optimized safety profile induces sterile immunity in syrian hamsters | A. Breithaupt



7. Pcr-confirmed entamoeba invadens-associated hepatocolitis in 3 co-housed home’s hingeback tortoises (kinixys homeana) | A.F. rich

28. First isolation of staphylococcus pseudintermedius in a case of pyometra in a red fox (vulpes vulpes) | S. Roels

29. Testicular degeneration due to suspect chronic theobromine poisoning in two rescued coatis (nasua spp.) | E. Correa dos santos

41. Cryptosporidium andersoni associated proliferative abomasitis in a roan antelope (hippotragus equinus) | S. Fingerhood

47. Intraabdominal soft tissue sarcoma in an elderly California sea lion from a zoo | I.C. šoštarić-zuckermann

51. Ovarian teratoma in a free ranging roe deer (capreolus capreolus) | E. Brambilla

60. Multicentric cutaneous histiocytic proliferation resembling langerhans cell histiocytosis in a howler monkey (allouata palliata) | A. Reyes-matute

74. Trichomonosis in wild birds from England and Wales: a retrospective study of submissions to the animal and plant health agency (apha) | C. Guerreiro

81. Temperature affects reptarenavirus infection and inclusion body formation in a homotypic in vitro model | U. Hetzel 

102. Fatal septicaemic listeriosis in a golden-handed tamarin (saguinus midas) | P. Carvalho

123 ocular lesions in birds of prey in Portugal-a retrospective study | M.L. Pinto

127. Botulism outbreak in Asian elephants: histopathological findings at necropsy | P.J. de Andres Gamazo

135. Neurodegenerative disease with lafora bodies in an emu (dromaius novaehollandiae) | M.A. Jimenez Martinez

137. Causes of mortality in wild European hedgehog (erinaceus europaeus) populations in italy and switzerland | I. Prandi

143 | granulomatous pneumonia caused by mycobacterium simiae and necroulcerative enteritis caused by entamoeba spp in a panther chameleon (furcifer pardalis) |E. Martínez fuentes

148. Uv-light skin damage in a cynomolgus macaque (macaca fascicularis) | M. Orlandi

162. Pulmonary angiomatosis in a Mediterranean striped dolphin | M. Domingo

184. Pathological findings associated with highly pathogenic avian influenza virus (h5n1) infection in naturally infected free-ranging birds in barcelona zoo | L. Fuentes

186. Septicaemia in two pygmy marmosets (cebuella pygmaea) associated with klebsiella pneumoniae | l. Fuentes

187. Primary lung adenocarcinoma in a lion (panthera leo) | R. Pop

199. Nematode infestation in three harbour porpoises (phocoena phocoena) on the black sea coast of Romania | G. Nicolae 

211. Comprehensive pathological analysis of northern white-breasted hedgehog (erinaceus roumanicus): insights into health and disease | E. Gagniuc

213. Oral melanoma in a red fox (vulpes vulpes) | M.A. Pires



57. Wild fish parasites control in fishery products |P. Ramos

58. Comparative parasitological studies of cultured gilthead seabream, sparus aurata and european seabass, dicentrarchus labrax in Portuguese fish farms | P. Ramos

209. Microscopic examination of the tissues from wild brown trout with ulcerative dermal necrosis syndrom (UDN) caught in the słupia river in Poland | M. Reichert  



204. Retrospective study of forensic necropsies performed at the faculty of veterinary medicine of the university of lisbon between 2014-2022 | H. Pissarra 

220. Forensic analysis of fatalities with suspected companion animal cruelty involving toxic substances | K. Lee

221. Current status of veterinary forensic examination for companion animals in Korea| K. Lee



30. First detection of systemic porcine circovirus 3 associated disease in Switzerland | G. Rosato

42. Delayed virus clearance after recovery from African swine fever-a challenge for disease control and monitoring  | K. Mehinagic

46. Torque teno sus virus: an innocent bystander or a true emerging virus pathogen in swine farms? | M. Polinas

49. Intralesional non-acid-fast mycobacterium bovis phenotypes in the lymph nodes of naturally-infected cattle | E. Brambilla

64. Discovery of a novel porcine bastrovirus associated with non-suppurative encephalitis in pigs | C. Gurtner

94. Strain diversity in caprine paratuberculosis-correlation of mycobacterium avium ssp. Paratuberculosis genotypes with morphological lesions | F. Seehusen

96. Inflammatory cell phenotyping and epithelial proliferation in porcine lawsonia intracellularis infection | F. Seehusen

97. Evaluation of two recombinant viral-vectored vaccines against orf virus in sheep | Á. Gómez

100. Pinnal necrohaemorrhagic dermatitis with vasculitis and intralesional bacteria in rabbits | G. De zan

105. Swine conjunctivitis due to the novel species mycoplasma sp.1654_15 in Italy | G. De zan

120. Antemortem diagnosis of caprine paratuberculosis by faecal pcr in relation to histopathological lesions | E. Párraga-ros

128. Alpaca pathology in Ireland: 13 years of surveillance | S.A. mignacca

131. Differential diagnosis of acute post-vaccinal meningoencephalitis in sheep (acute phase ovine asia syndrome) | N. Calvo-sánchez

140. Impact of swine enteric coronaviruses in the intestinal barrier: a histopathological and immunohistochemical approach | I. Ruedas torres 

180. Is aluminium replaceable in vaccines? A sheep model for new biodegradable vaccine adjuvants | E. Pérez

196. Histopathological assessment of the intestinal barrier in broilers treated with a phytogenic oregano rich essential oil and challenged with eimeria spp | I. Stylianaki

218. Comparative study of gross lesions in pigs inoculated with a glaesserella parasuis tbpby167a mutant-based vaccine and challenged with Spanish clinical isolates of g. Parasuis | A. González Fernández


3. Congenital idiopathic megaesophagus in a 5 week old female gordon setter puppy | C.B. Becker

11. The presence of thymus detectable at necropsy in adult cats with hypertrophic cardiomyopathy | I. Dolka

43. Necrotizing meningoencephalitis in a Maltese dog | S. Nešić

72. First pathological report of successful transcatheter pulmonary valve implantation in a client-owned dog | G. Terrade

75. Stenotic nasopharyngeal dysgenesis and suspect muscular dystrophy in a jack russell terrier | S. Degl'innocenti

87. Evaluation of procalcitonin immunohistochemistry as a post-postmortem diagnostic marker for sepsis in dogs  | B. de Jonge

90. Segmental caudal vena cava aneurysm with thrombosis in a one-year-old bracco italiano dog (canis lupus familiaris) | M. Pereira

108. Chronic progressive lymphoedema and chorioptic mange: coincidental copies or captivating connections? | M. Brys

115. In donkey, are uterine and blood eosinophils associated? | A. Radar chafirovitch

132. Feline hypertrophic cardiomyopathy: phenotypical and functional changes in cardiomyocytes | A. Kipar

136. Ovariohysterectomy as a potential trigger for acquired skin fragility syndrome in a juvenile cat. | V. Castiglioni

152. Bilateral granulomatous and necrotizing panophthalmitis occurring after vaccination in a dog | C. Naranjo Freixa

166. Left ventricular apical diverticulum with aortic thromboembolism in a cat | I. Constantin

168. Meconium aspiration syndrome as indicator of vitality and perinatal illness status in foals | R.E. Tiu

183. Histological and immunohistochemical characterization of the donkey (equus asinus) mammary gland | A. Gama

201. Vanin-1 is expressed in the airway epithelium of horses and has a higher abundance in the mucus of horses with severe equine asthma compared to healthy horses | K. Landmann



20. Complications encountered in lethal European babesiosis | D. Huber

92. Unusual pathological findings in a horse infected with tapeworm anoplocephala perfoliata | D. Gorbacevska

153. Down-regulation of the microbicidal profile of m1 macrophages by encephalitozoon cuniculi | J.G. Xavier

154. Crotoxin modulates the m1 profile of macrophages infected with encephalitozoon cuniculi | | J.G. Xavier

182. Interstitial pneumonia associated with ehv-5 in three adult donkeys: pathological and molecular findings of the first cases in Romania | D.L. Hodor

189. Mass spectrometry imaging (maldi-msi) as a molecular histology application for characterizing pulmonary lesions caused by prrsv-1 strains of different virulence | J. Sánchez-carvajal

206. Characterization of aquaporin-4 expression in the brains of dogs with canine leishmaniasis | G.F. Machado



80. A survey of the ECVP membership on knowledge, attitudes, and access to new technologies in veterinary pathology | J. Williams

82. Impact of long and short term cryopreservation on intactness of precision cut lung slices | J. Krüger

193. A bio-informatic investigation of cats’ susceptibility to coronaviruses-deriving epitopes | D. De biase

210. Comparison of digital counting methods for ki67 stained mast cell tumors | C. Krudewig



2. Fatal rhabdomyosarcoma in a one-year-old dog: a case report | S. Turchetto

6. Gene expression profiling on formalin-fixed, paraffin-embedded (ffpe) canine tumour tissue-how do lexogen’s quantseq 3′ and nanostring’s ncounter compare? | A.F.H. Haake

8. Topoisomerase ii alpha immunoexpression as a potential predictor of anthracycline chemotherapy in cats with injection-site sarcoma | W. Topuszyński

13. Interspecies similarities between canine and human mammary cancer | M. Levkut

14. Comparison of immunohistochemical expression of cyclooxygenase-2 (cox-2) between canine and equine melanomas | J. Prada

19. Clinical and pathological features and outcome of a hoof melanoma in an Andalusian bay gelding |F. Bulnes

21. Development of a radioresistant canine glioma cell line | R.F. Strefezzi

23. Signet-ring carcinoma in an Île-de-France ewe | N. Caliskan

25. Expression of matrix metalloproteinases -2, -9, -13, -14 in canine mammary carcinoma | A.S. Pasca

33. Retrospective epidemiological analysis of canine mast cell tumours suggests age and breed as risk factors | J. Catarino

38. Autophagy markers in canine mast cell tumours | R.F. Strefezzi

52. Decorin expression in inflammatory and non-inflammatory canine mammary carcinomas | B.A. Gouveia

54. A rare case of ileocecal malignant peripheral nerve sheath tumour in a cat | H. Fattahian

55. Poorly differentiated cervical rhabdomyosarcoma in an adult dog | H. Fattahian

61. Detection of feline viral leukaemia provirus dna by real-time pcr in paraffin embedded tissue of feline lymphomas diagnosed in a reference laboratory in mexico city, from 2006 to 2018 | D. Rivera-colín

62. Systemic amyloidosis secondary to spindle cell sarcoma in a patient with nephrotic syndrome | D. Rivera-colín

63. Comparative analysis of canine lymphomas diagnosed at the department of veterinary pathology, faculty of veterinary medicine, university of zagreb | M. Hohšteter

65. Two atypical cases of feline restrictive orbital myofibroblastic sarcoma (froms) initially presenting as oral masses | L. Nordio

77. Uterine torsion in a rabbit with uterine adenocarcinoma | F. Seixas

84. Histological classification and molecular characterization of feline hodgkin-like lymphomas (hll) | S. Dell'aere

85. Limitations of the current equine melanocytic tumour classification | A. Malá

88. Expression of sox-10 and tyrp-1 in feline melanoma | M. Orlandi

91. Mirna profiles in dogs with splenic angiosarcoma | C. Zamboni

99. A case of feline gastrointestinal eosinophilic sclerosing fibroplasia extending to the liver | M. Orlandi

113 tumour immune microenvironment (time) in bpv1-positive equine sarcoids | L. de Paolis

114. Evaluation of canine and feline tumours in Morocco: results of a country-wide epidemiologic and histologic study | N. Laissaoui

118. Two diagnostically challenging hemangiosarcomas in dogs growing inside blood vessels | S. Blatter

126. Disseminated cutaneous non-epitheliotropic b cell lymphoma associated with a fracture site in a cat | M. Saravia-Castro

130. Inflammatory infiltrate in the feline mammary gland: healthy, non-neoplastic, benign and malignant lesions | J. Rodrigues-Jesus

134 retrospective study of spindle cell tumours in the face of cats | S. Soto

139. Northern Portuguese dog lymphoma immunophenotypic study | N.R. Lima

159. Cartilage oligomeric matrix protein (comp) expression in canine osteosarcomas and splenic haemangiosarcomas | B. Passeri

169. Transcripome evaluation of equine sarcoid infected by bovine papillomavirus type-1 | E. Razzuoli

172. Characterization of b7-h3 immunohistochemical staining in canine primary appendicular osteosarcoma | D. Seelig

173. Secondary multicentric large b cell lymphoma development after intestinal large t cell lymphoma in a dog | C.C. Kuo

175. Trigeminal nerve destruction due to atypical malignant chemodectoma metastasis in a dog | I. Stylianaki

176. Adrenal cavernous haemangioma in a shih-tzu dog: an incidental finding | H. Fattahian

181. Clinicopathological features of canine “paediatric” gliomas | A. Oevermann

185. Unusual metastasis site for dermal melanomatosis in a lipizzaner mare | A.a. dobrin 

188. A case of equine multicentric lymphoma: clinical, microscopical and molecular findings | M.C.P. Rocha

190. Methylation analysis of line-1 elements in canine mast cell tumours | J.G. Xavier

191. Relationship between histological parameters, proliferative index and the expression of vimentin and fascin-1 in papillomas and oral squamous cell carcinomas in dogs | J.G. xavier

194. Clinical, ultrasonographic and immunohistochemical study of diffuse large b cell lymphomas in dogs | M.C.P. Rocha

198. Rhabdomyomatous mesenchymal hamartoma in a dog | R. Marica

200. Incidence of the most frequent canine tumours based on the swiss canine registry data from 2008 to 2020 | E.S. Dhein

205. Inter-institutional study regarding the epidemiology of gastrointestinal tumours in dogs and cats | A. Negoescu

216. Cytological and pathological findings in a feline choroid plexus carcinoma | A. Perez-Ecija

217. Rare and uncommon malignant mammary tumours in dogs and cats: preliminary results from a portuguese multicentric study | A. Gama

223. A rare case of giant cell rich extraskeletal osteosarcoma of cardiac muscle in a dog | C. de Meeûs



125. Differential diagnosis for hepatic disease as the cause of serum ALAT increase; myopathy of the Schapendoes breed dog | P. Syrjä

144. Nuclear morphometry and expression of CK20, p53 and Ki-67 in the diagnosis of bladder transitional cell carcinomas in dogs | J. Guilherme Xavier

150. Immuno-oncological characterization of canine cutaneous histiocytoma by gene expression profiling utilizing Nanostring nCounter®️ RNA hybridization technique | A.F. Haake

155. A One pathology, Multicentre portuguese approach to thyroid tumours of dogs and cats | T. Bordeira Gaspar

156. Artificial intelligence predicts the c-Kit-11 mutational status of canine cutaneous mast cell tumours through their phenotype in HE stained histological slides | C. Puget

160. Streamlining microscope-based Ki-67 index estimation: Let's Make It Simple! | S. Valente

163. Detection of PD-L1, PD-1, and CTLA-4 by RNA in situ hybridization in canine oral melanocytic neoplasms and their microenvironment | G. Foiani

170. Methylation analysis of LINE-1 elements and morphological nuclear parameters in the differential diagnosis of cutaneous melanocytic tumors in dogs | J. Guilherme Xavier

171. Beyond Angiogenesis: Unveiling Vessel Co-option and Vasculogenic Mimicry in Highly Malignant Canine Cancer | G. Valdivia