Páll S. Leifsson

Search results

• 2024

  Element Concentrations and Histopathology of Liver and Kidney in West Greenland Ringed Seals (Pusa hispida)

  Andersen-Ranberg, E. U., Leifsson, P. S., Riget, F. F., Søndergaard, J., Andersen, S., Alstrup, A. K. O., Dietz, R. & Sonne, C., 2024, In: Animals. 14, 12, 18 p., 1739.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  1 Citation (Scopus)

  10 Downloads (Pure)

• Laboratory Animal Pathology in Relation to Spontaneous Infections

  Jensen, H. E., Leifsson, P. S. & Jensen, L. K., 2024, Rodent Quality Control: Genes and Bugs: Monitoring Health and Genetics of Laboratory Animals. Benavides, F. & Hansen, A. K. (eds.). Springer, p. 201-229 (Laboratory Animal Science and Medicine , Vol. 2).

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review

• Migratory pattern of zoonotic Toxocara cati and T. canis in experimentally infected pigs

  Poulsen, C. S., Yoshida, A., Wellbrant, T. T., Leifsson, P. S., Skallerup, P., Thamsborg, S. M. & Nejsum, P., 2024, In: European Journal of Clinical Microbiology and Infectious Diseases. 43, p. 587-596 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  1 Citation (Scopus)

  12 Downloads (Pure)
• 2023

  Cystitis: significant associations between pathology, histology, and quantitative bacteriology in sows, a cross-sectional study

  Tolstrup, L. K., Leifsson, P. S., Guardabassi, L., Nielsen, J. P. & Pedersen, K. S., 2023, In: Porcine Health Management. 9, 41.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  19 Downloads (Pure)

• Differentiating Strongylus vulgaris-associated, non-strangulating intestinal infarctions from idiopathic peritonitis and acute colitis in horses

  Poulsen, L., Henriksson, F. V., Dahl, M., Honoré, M. L., Olsen, S. N., Leifsson, P. S., Stærk-Østergaard, J., Jacobsen, S. & Pihl, T. H., 2023, In: Veterinary Record. 192, 3, e2538.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  3 Citations (Scopus)

  34 Downloads (Pure)

• Vertebral venous plexus abnormalities in a young Poodle causing chronic lameness

  Vedel, T., Heidemann, P. L., Koch, B. C., Leifsson, P. S., McEvoy, F. J. & Gredal, H., 2023, Research Square, 14 p.

  Research output: Working paper › Preprint

  File
  10 Downloads (Pure)
• 2022

  Element concentrations, histology and serum biochemistry of arctic char (Salvelinus alpinus) and shorthorn sculpins (Myoxocephalus scorpius) in northwest Greenland

  Nørregaard, R. D., Bach, L., Geertz-Hansen, O., Nabe-Nielsen, J., Nowak, B., Jantawongsri, K., Dang, M., Søndergaard, J., Leifsson, P. S., Jenssen, B. M., Ciesielski, T. M., Arukwe, A. & Sonne, C., 2022, In: Environmental Research. 208, 10 p., 112742.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  2 Citations (Scopus)

  21 Downloads (Pure)

• Gross and histopathological evaluation of umbilical outpouchings in pigs

  Hovmand-Hansen, T., Jensen, T. B., Nielsen, S. S., Vestergaard, K., Nielsen, M. B. F., Leifsson, P. S. & Jensen, H. E., 2022, In: Preventive Veterinary Medicine. 203, p. 1-8 8 p., 105621.

  Research output: Contribution to journal › Journal article › Research › peer-review
  4 Citations (Scopus)
• 2021

  Early risk factors, development, disappearance and contents of umbilical outpouching in Danish pigs

  Hovmand-Hansen, T., Jensen, T. B., Vestergaard, K., Nielsen, M. B. F., Leifsson, P. S. & Jensen, H. E., 2021, In: Livestock Science. 251, 9 p., 104654.

  Research output: Contribution to journal › Journal article › Research › peer-review
  13 Citations (Scopus)
• 2020

  Effects of Long-term Anesthesia, Blood Sampling, Transportation, and Infection Status on Hearts and Brains in Pigs Inoculated with Staphylococcus aureus and Used for Imaging Studies

  Alstrup, A. K., Afzelius, P. M., Jensen, S. B., Leifsson, P. S., Wegener, K. M. & Nielsen, O. L., 2020, In: Journal of the American Association for Laboratory Animal Science : JAALAS. 59, 1, p. 74-84 11 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access
  5 Citations (Scopus)
• 2019

  Histology of Sculpin spp. in East Greenland. II. Histopathology and trace element concentrations

  Kaarsholm, H. M., Verland, N., Nørregaard, R. D., Bach, L., Søndergaard, J., Rigét, F. F., Dietz, R., Hansen, M., Eulaers, I., Desforges, J. P., Leifsson, P. S., Dang, M., Nowak, B. & Sonne, C., 2019, In: Toxicological and Environmental Chemistry. 100, 8-10, p. 769–784

  Research output: Contribution to journal › Journal article › Research › peer-review
  4 Citations (Scopus)

• Staphylococcus aureus infected embolic stroke upregulates Orm1 and Cxcl2 in a rat model of septic stroke pathology

  Astrup, L. B., Skovgaard, K., Rasmussen, R. S., Iburg, T. M., Agerholm, J. S., Aalbæk, B., Jensen, H. E., Nielsen, O. L., Johansen, F. F., Heegaard, P. M. H. & Leifsson, P. S., 2019, In: Neurological Research. 41, 5, p. 399-412 14 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  12 Citations (Scopus)
• 2018

  Comparison of heavy metals, parasites and histopathology in sculpins (Myoxocephalus spp.) from two sites at a lead-zinc mine in North East Greenland

  Nørregaard, R. D., Dang, M., Bach, L., Geertz-Hansen, O., Gustavson, K., Aastrup, P., Leifsson, P. S., Søndergaard, J., Nowak, B. & Sonne, C., Aug 2018, In: Environmental Research. 165, p. 306-316 11 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  19 Citations (Scopus)

• Hepatic and renal histology and mercury concentrations of North West and North East Greenland narwhals (Monodon monoceros)

  Sonne, C., Leifsson, P. S., Søndergaard, J. & Dietz, R., Apr 2018, In: Journal of Toxicology and Environmental Health - Part A: Current Issues. 81, 8, p. 202-211 10 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  7 Citations (Scopus)

• Histology of Sculpin spp. in east Greenland. I. Histological measures

  Verland, N., Kaarsholm, H. M., Nørregaard, R. D., Bach, L., Dietz, R., Leifsson, P. S., Dang, M., Nowak, B. & Sonne, C., 2018, In: Toxicological and Environmental Chemistry. 100, 5-7, p. 607-628 22 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  4 Citations (Scopus)

• Morphometric, molecular and histopathologic description of hepatic infection by Orthosplanchnus arcticus (Trematoda: Digenea: Brachycladiidae) in ringed seals (Pusa hispida) from Northwest Greenland

  Andersen-Ranberg, E., Lehnert, K., Leifsson, P. S., Dietz, R., Andersen, S., Siebert, U., Measures, L. & Sonne, C., 1 May 2018, In: Polar Biology. 41, 5, p. 1019-1025

  Research output: Contribution to journal › Journal article › Research › peer-review
  3 Citations (Scopus)

• Nonstrangulating intestinal infarctions associated with Strongylus vulgaris : Clinical presentation and treatment outcomes of 30 horses (2008-2016)

  Pihl, T. H., Nielsen, M. K., Olsen, S. N., Leifsson, P. S. & Jacobsen, S., 2018, In: Equine Veterinary Journal. 50, 4, p. 474-480

  Research output: Contribution to journal › Journal article › Research › peer-review
  43 Citations (Scopus)
• 2017

  Characterization of hemorrhages in the ham topsides and tenderloins of slaughter pigs

  Dich-Jørgensen, K., Larsen, H. D., Leifsson, P. S. & Jensen, H. E., 2017, In: Meat Science. 124, p. 34-38 5 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  1 Citation (Scopus)

• Japanese quail (Coturnix japonica) liver and thyroid gland histopathology as a result of in ovo exposure to the flame retardants tris(1,3-dichloro-2-propyl) phosphate and Dechlorane Plus

  Jacobsen, M. L., Jaspers, V. L. B., Ciesielski, T. M., Jenssen, B. M., Loseth, M. E., Briels, N., Eulaers, I., Leifsson, P. S., Riget, F. F., Gomez-Ramirez, P. & Sonne, C., 2017, In: Journal of Toxicology and Environmental Health. Part A: Current Issues. 80, 9, p. 525-531

  Research output: Contribution to journal › Journal article › Research › peer-review
  8 Citations (Scopus)

• Local infusion of Staphylococcus aureus into the porcine internal carotid artery as a model of sepsis-related brain abscesses - a pilot study

  Astrup, L. B., Iburg, T. M., Agerholm, J. S., Aalbæk, B., Jensen, H. E., Nielsen, O. L. & Leifsson, P. S., 2017, In: Scandinavian Journal of Laboratory Animal Science. 43, 7.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

• Long-term tag retention on two species of small cetaceans

  Heide-Jørgensen, M. P., Nielsen, N. H., Teilmann, J. & Leifsson, P. S., Jul 2017, In: Marine Mammal Science. 33, 3, p. 713–725

  Research output: Contribution to journal › Journal article › Research › peer-review
  10 Citations (Scopus)

• Meat Inspection

  Jensen, H. E., Leifsson, P. S., Nielsen, O. L., Agerholm, J. S. & Iburg, T., 2017, Kødkontrol. Biofolia/Samfundslitteratur, p. 1-839

  Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Communication

• Non-strangulating intestinal infarctions associated with Strongylus vulgaris: Clinical presentation and treatment outcomes of 30 horses (2008-2016)

  Pihl, T. H., Jacobsen, S., Olsen, S. N., Leifsson, P. S. & Krarup Nielsen, M., 2017, In: Equine Veterinary Journal. 29, S8, p. 36

  Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

  Open Access

• Segmental arterial mediolysis with mesangial cell hyperplasia: A review with supplementary comments concerning its pathogenesis

  Slavin, R. E. & Leifsson, P. S., 2017, In: Interventional Cardiology. 9, 4, p. 181–190

  Research output: Contribution to journal › Review › peer-review

  Open Access

  File
  257 Downloads (Pure)
• 2016

  Biodistribution of the radionuclides ¹⁸F-FDG, ¹¹C-methionine, ¹¹C-PK11195, and ⁶⁸Ga-citrate in domestic juvenile female pigs and morphological and molecular imaging of the tracers in hematogenously disseminated Staphylococcus aureus lesions

  Afzelius, P., Nielsen, O. L., Alstrup, A. K. O., Bender, D., Leifsson, P. S., Jensen, S. B. & Schønheyder, H. C., 2016, In: American Journal of Nuclear Medicine and Molecular Imaging. 6, 1, p. 42-58 17 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  174 Downloads (Pure)

• Characterization of hemorrhages in the tenderloins of slaughter pigs

  Dich-Jørgensen, K., McEvoy, F., Larsen, H. D., Leifsson, P. S. & Jensen, H. E., 2016, In: Meat Science. 121, p. 250-252 3 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  5 Citations (Scopus)

• Fatal elephant endotheliotropic herpesvirus-1 and -4 co-infection in a juvenile Asian elephant in Europe

  Seilern-Moy, K., Bertelsen, M. F., Leifsson, P. S., Perrin, K. L., Haycock, J. & Dastjerdi, A., Apr 2016, In: JMM Case Reports. 3, 2, 5 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

• Modelling severe Staphylococcus aureus sepsis in conscious pigs: are implications for animal welfare justified?

  Olsen, H. G., Kjeldgaard-Hansen, M., Tveden-Nyborg, P., Birck, M. M., Hammelev, K. P., Vegge, A., Aalbæk, B., Leifsson, P. S., Jensen, H. E., Iburg, T., Heegaard, P. M. H. & Nielsen, O. L., 2016, In: BMC Research Notes. 9, p. 1-10 10 p., 99.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  10 Citations (Scopus)

  233 Downloads (Pure)

• Non-strangulating intestinal infarctions associated with Strongylus vulgaris: Clinical presentation and outcome

  Pihl, T. H., K. Nielsen, M., Olsen, S. N., Leifsson, P. S. & Jacobsen, S., 2016. 1 p.

  Research output: Contribution to conference › Poster › Research › peer-review

  File
  6 Downloads (Pure)

• The association between seizures and deposition of collagen in the brain in porcine Taenia solium neurocysticercosis

  Christensen, N. M., Trevisan, C., Leifsson, P. S. & Johansen, M. V., 15 Sept 2016, In: Veterinary Parasitology. 228, p. 180-182 2 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access
  4 Citations (Scopus)
• 2015

  Comparison of autologous ¹¹¹In-leukocytes, ¹⁸F-FDG, ¹¹C-methionine, ¹¹C-PK11195 and ⁶⁸Ga-citrate for diagnostic nuclear imaging in a juvenile porcine haematogenous Staphylococcus aureus osteomyelitis model

  Nielsen, O. L., Afzelius, P., Bender, D., Schønheyder, H. C., Leifsson, P. S., Nielsen, K. M., Larsen, J. O., Jensen, S. B. & Alstrup, A. K. O., 2015, In: American Journal of Nuclear Medicine and Molecular Imaging. 5, 2, p. 169-182 14 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

• Distribution and histopathological changes induced by cysts of Taenia solium in the brain of pigs from Tanzania

  Mkupasi, E. M., Ngowi, H. A., Sikasunge, C. S., Leifsson, P. S. & Johansen, M. V., 2015, In: Journal of Helminthology. 89, 5, p. 559-564 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  6 Citations (Scopus)

• Impaired cardiac mitochondrial oxidative phosphorylation and enhanced mitochondrial oxidative stress in feline hypertrophic cardiomyopathy

  Christiansen, L. B., Dela, F., Koch, J., Hansen, C. N., Leifsson, P. S. & Yokota, T., 2015, In: American Journal of Physiology: Heart and Circulatory Physiology. 308, 10, p. H1237-H1247 11 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  52 Citations (Scopus)

• Porcine melanotic cutaneous lesions and lymph nodes: immunohistochemical differentiation of melanocytes and melanophages

  Grossi, A. B., Hyttel, P., Jensen, H. E. & Leifsson, P. S., 2015, In: Veterinary Pathology. 52, 1, p. 83-91 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  18 Citations (Scopus)

  281 Downloads (Pure)

• Refinement of a hematogenous localized osteomyelitis model in pigs

  Alstrup, A. K. O., Nielsen, K. M., Schønheyder, H. C., Jensen, S. B., Afzelius, P., Leifsson, P. S. & Nielsen, O. L., 2015, In: Scandinavian Journal of Laboratory Animal Science. 41, 4 p., 18.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  107 Downloads (Pure)

• Segmental arterial mediolysis in pigs presenting with renal infarcts

  Leifsson, P. S. & Slavin, R. E., 2015, In: Veterinary Pathology. 52, 6, p. 1157-1162 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  4 Citations (Scopus)

  232 Downloads (Pure)

• Serotonin markers show altered transcription levels in an experimental pig model of mitral regurgitation

  Cremer, S. E., Zois, N. E., Moesgaard, S. G., Ravn, N., Cirera Salicio, S., Honge, J. L., Smerup, M. H., Hasenkam, J. M., Sloth, E., Leifsson, P. S., Falk, B. T., Oyama, M. A., Orton, C., Martinussen, T. & Olsen, L. H., 2015, In: The Veterinary Journal. 203, 2, p. 192-198 7 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  14 Citations (Scopus)
• 2014

  A hereditary disposition for bovine peripheral nerve sheath tumors in Danish Holstein cattle

  Grossi, A. B., Agerholm, J. S., Christensen, K. A., Jensen, H. E., Leifsson, P. S., Bendixen, C., Karlskov-Mortensen, P. & Fredholm, M., 2014, In: Acta Veterinaria Scandinavica (Online). 56, 6 p., 85.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  10 Citations (Scopus)

  918 Downloads (Pure)

• Comparison of autologous In-leukocytes, F-FDG, C-methionine, C-PK11195 and Ga-citrate for diagnostic nuclear imaging in a juvenile porcine haematogenous Staphylococcus aureus osteomyelitis model

  Nielsen, O. L., Afzelius, P., Bender, D., Schønheyder, H., Leifsson, P. S., Nielsen, K. M., Larsen, J. O., Jensen, S. B. & Olsen Alstrup, A. K., 2014.

  Research output: Contribution to conference › Conference abstract for conference › Communication

• Evaluation of the use of common sculpin (Myoxocephalus scorpius) organ histology as bioindicator for element exposure in the fjord of the mining area Maarmorilik, West Greenland

  Sonne, C., Bach, L., Søndergaard, J., Riget, F. F., Dietz, R., Mosbech, A., Leifsson, P. S. & Gustavson, K., 2014, In: Environmental Research. 133, p. 304-311 8 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  34 Citations (Scopus)

• Immunohistochemical detection of interleukin-8 in inflamed porcine tissues

  Laursen, H., Jensen, H. E., Leifsson, P. S., Jensen, L. K., Christiansen, J. K. G., Trebbien, R. & Nielsen, O. L., 2014, In: Veterinary Immunology and Immunopathology. 159, 1-2, p. 97-102 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  7 Citations (Scopus)

• Strong association between activated valvular interstitial cells and histopathological lesions in porcine model of induced mitral regurgitation

  Cremer, S. E., Zois, N. E., Moesgaard, S. G., Ravn, N., Cirera Salicio, S., Honge, J. L., Smerup, M. H., Hasenkam, J. M., Sloth, E., Leifsson, P. S., Falk, B. T., Oyama, M. A., Orton, C., Martinussen, T. & Olsen, L. H., 2014, In: International Journal of Cardiology. 174, 2, p. 443-446 4 p.

  Research output: Contribution to journal › Letter › peer-review
  3 Citations (Scopus)

• Systemic inflammatory response and local cytokine expression in porcine models of endocarditis

  Christiansen, J. K. G., Jensen, H. E., Jensen, L. K., Koch, J., Aalbæk, B., Nielsen, O. L. & Leifsson, P. S., 2014, In: A P M I S. Acta Pathologica, Microbiologica et Immunologica Scandinavica. 122, 4, p. 292-300 9 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  12 Citations (Scopus)
• 2013

  A Gly98Val mutation in the N-myc downstream regulated gene 1 (NDRG1) in Alaskan Malamutes with polyneuropathy

  Bruun, C. V. S., Jäderlund, K. H., Berendt, M., Jensen, K. B., Spodsberg, E.-M. H., Gredal, H. B., Shelton, G. D., Mickelson, J. R., Minor, K. M., Lohi, H., Bjerkås, I., Stigen, Ø., Espenes, A., Rohdin, C., Edlund, R., Ohlsson, J., Cizinauskas, S., Leifsson, P. S., Drögemüller, C. & Moe, L. & 2 others, Cirera Salicio, S. & Fredholm, M., 2013, In: PLOS one. 8, 2, p. 1-7 7 p., e54547.

  Research output: Contribution to journal › Journal article › Research › peer-review

  Open Access

  File
  24 Citations (Scopus)

  1373 Downloads (Pure)

• A screening of liver, kidney, and thyroid gland morphology in organochlorine-contaminated glaucous gulls (Larus hyperboreus) from Svalbard

  Sonne, C., Mæhre, S. A. B., Sagerup, K., Harju, M., Heimstad, E. S., Leifsson, P. S., Dietz, R. & Gabrielsen, G. W., 2013, In: Toxicological and Environmental Chemistry. 95, 1, p. 172-186 15 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  9 Citations (Scopus)

• Brain microabscesses in a porcine model of Staphylococcus aureus sepsis

  Astrup, L. B., Nielsen, M. V., Iburg, T. M., Leifsson, P. S., Jensen, H. E., Nielsen, O. L. & Agerholm, J. S., 2013, In: Acta Veterinaria Scandinavica (Online). 55, 5 p., 76.

  Research output: Contribution to journal › Journal article › Research › peer-review
  4 Citations (Scopus)

• Detection of cysteine protease in Taenia solium-induced brain granulomas in naturally infected pigs

  Mkupasi, E. M., Sikasunge, C. S., Ngowi, H. A., Leifsson, P. S. & Johansen, M. V., 2013, In: Veterinary Parasitology. 197, 1-2, p. 360-363 4 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  4 Citations (Scopus)

• Development and characterization of porcine models of non-bacterial and staphylococcal endocarditis: histopathological aspects

  Christiansen, J. K. G., Jensen, H. E., Johansen, L. K., Koch, J., Koch, J., Aalbæk, B., Nielsen, O. L. & Leifsson, P. S., 2013, In: International Journal of Antimicrobial Agents. 41, Suppl. 1, p. 24-25 2 p., P60.

  Research output: Contribution to journal › Conference abstract in journal › Research › peer-review

• Disseminated intravascular coagulation in a novel porcine model of severe Staphylococcus aureus sepsis fulfills human clinical criteria

  Sørensen, K. E., Olsen, H. G., Skovgaard, K., Wiinberg, B., Nielsen, O. L., Leifsson, P. S., Jensen, H. E., Kristensen, A. T. & Iburg, T. M., 2013, In: Journal of Comparative Pathology. 149, 4, p. 463-474 12 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  25 Citations (Scopus)

• Efficacy of ivermectin and oxfendazole against Taenia solium cysticercosis and other parasitoses in naturally infected pigs

  Mkupasi, E. M., Ngowi, H. A., Sikasunge, C. S., Leifsson, P. S. & Johansen, M. V., 2013, In: Acta Tropica. 128, 1, p. 48-53 6 p.

  Research output: Contribution to journal › Journal article › Research › peer-review
  33 Citations (Scopus)