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Titolo:
Granulomatous enteritis and lymphadenitis in Iberian pigs naturally infected with Lawsonia intracellularis
Autore:
Segales, J; Fernandez-Salguero, JM; Fructuoso, G; Quintana, J; Rosell, C; Pozo, J; De Arriba, ML; Rubio, P; Domingo, M;
Indirizzi:
Univ Autonoma Barcelona, Fac Vet, Dept Sanitat Anat Anim, Ctr Recerca Sanitat Anim, E-08193 Barcelona, Spain Univ Autonoma Barcelona Barcelona Spain E-08193 E-08193 Barcelona, Spain
Titolo Testata:
VETERINARY PATHOLOGY
fascicolo: 3, volume: 38, anno: 2001,
pagine: 343 - 346
SICI:
0300-9858(200105)38:3<343:GEALII>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
ENTEROPATHY;
Keywords:
granulomatous inflammation; Iberian pigs; immunohistochemistry; Lawsonia intracellularis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
9
Recensione:
Indirizzi per estratti:
Indirizzo: Segales, J Univ Autonoma Barcelona, Fac Vet, Dept Sanitat Anat Anim, Ctr Recerca Sanitat Anim, E-08193 Barcelona, Spain Univ Autonoma Barcelona Barcelona Spain E-08193 celona, Spain
Citazione:
J. Segales et al., "Granulomatous enteritis and lymphadenitis in Iberian pigs naturally infected with Lawsonia intracellularis", VET PATH, 38(3), 2001, pp. 343-346

Abstract

Intestinal samples and/or lymph nodes of two Iberian pigs from two different farms were submitted for histopathologic examination. Both pigs had proliferation of ileal and/or cecal crypts with almost complete absence of goblet cells. Infection by Lawsonia intracellularis was demonstrated by immunohistochemistry and polymerase chain reaction assay. The mesenteric lymph node of one pig had moderate lymphocyte depletion with granulomatous inflammation of the lymph node parenchyma. Histiocytes and multinucleated giant cells from the lymph node of one pig contained L. intracellularis antigen within the cytoplasm. This pig had also porcine circovirus type 2 (PCV-2) infection, but nucleic acid and antigen of this virus were not demonstrated in the lymph node. The second pig had lymphocyte depletion and marked granulomatous inflammation in Peyer's patches. Histiocytes and multinucleated giant cells in areas of granulomatous inflammation contained L. intracellularis antigen; no PCV-2 nucleic acid or antigen was detected in the tissues of thispig. This is the first description of granulomatous ileitis and lymphadenitis associated with L. intracellularis infection.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 08:30:55