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Systemic mycobacteriosis in an aborted thoroughbred fetus in Japan.

Sano Y, Matsuda K, Osaki K, Miyasho T, Tsuda T, Taniyama H - J. Vet. Med. Sci. (2014)

Bottom Line: A male Thoroughbred fetus was aborted on day 251 of pregnancy.Gross and histological examinations detected systemic granulomatous lesions in many superficial and visceral lymph nodes and organs including the liver, tonsils, lungs, thymus, spleen, right thyroid gland and gastrointestinal tract, and suppurative placentitis, pyogranulomatous amnionitis and intralesional acid-fast bacilli were also detected.An examination of the DNA base sequence of the β subunit of RNA polymerase demonstrated that Mycobacterium avium strain 104 had infected several organs.

View Article: PubMed Central - PubMed

Affiliation: Department of Veterinary Pathology, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido 069-8501, Japan.

ABSTRACT
A male Thoroughbred fetus was aborted on day 251 of pregnancy. Gross and histological examinations detected systemic granulomatous lesions in many superficial and visceral lymph nodes and organs including the liver, tonsils, lungs, thymus, spleen, right thyroid gland and gastrointestinal tract, and suppurative placentitis, pyogranulomatous amnionitis and intralesional acid-fast bacilli were also detected. An examination of the DNA base sequence of the β subunit of RNA polymerase demonstrated that Mycobacterium avium strain 104 had infected several organs. To the best of our knowledge, this is the first report of equine fetal mycobacterial infection in Japan.

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Related in: MedlinePlus

Cut surface of a cranial mesenteric lymph node. The lymph node is enlarged and has beenreplaced with homogenous light-tan tissue and occasional central necrosis (arrowhead).Bar=1 cm.
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fig_002: Cut surface of a cranial mesenteric lymph node. The lymph node is enlarged and has beenreplaced with homogenous light-tan tissue and occasional central necrosis (arrowhead).Bar=1 cm.

Mentions: Gross photograph of the fetus’ intestinal tract and the associated lymph nodes. Thecranial mesenteric lymph nodes are markedly enlarged (arrowhead). Bar=10 cm.


Systemic mycobacteriosis in an aborted thoroughbred fetus in Japan.

Sano Y, Matsuda K, Osaki K, Miyasho T, Tsuda T, Taniyama H - J. Vet. Med. Sci. (2014)

Cut surface of a cranial mesenteric lymph node. The lymph node is enlarged and has beenreplaced with homogenous light-tan tissue and occasional central necrosis (arrowhead).Bar=1 cm.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4300377&req=5

fig_002: Cut surface of a cranial mesenteric lymph node. The lymph node is enlarged and has beenreplaced with homogenous light-tan tissue and occasional central necrosis (arrowhead).Bar=1 cm.
Mentions: Gross photograph of the fetus’ intestinal tract and the associated lymph nodes. Thecranial mesenteric lymph nodes are markedly enlarged (arrowhead). Bar=10 cm.

Bottom Line: A male Thoroughbred fetus was aborted on day 251 of pregnancy.Gross and histological examinations detected systemic granulomatous lesions in many superficial and visceral lymph nodes and organs including the liver, tonsils, lungs, thymus, spleen, right thyroid gland and gastrointestinal tract, and suppurative placentitis, pyogranulomatous amnionitis and intralesional acid-fast bacilli were also detected.An examination of the DNA base sequence of the β subunit of RNA polymerase demonstrated that Mycobacterium avium strain 104 had infected several organs.

View Article: PubMed Central - PubMed

Affiliation: Department of Veterinary Pathology, School of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Hokkaido 069-8501, Japan.

ABSTRACT
A male Thoroughbred fetus was aborted on day 251 of pregnancy. Gross and histological examinations detected systemic granulomatous lesions in many superficial and visceral lymph nodes and organs including the liver, tonsils, lungs, thymus, spleen, right thyroid gland and gastrointestinal tract, and suppurative placentitis, pyogranulomatous amnionitis and intralesional acid-fast bacilli were also detected. An examination of the DNA base sequence of the β subunit of RNA polymerase demonstrated that Mycobacterium avium strain 104 had infected several organs. To the best of our knowledge, this is the first report of equine fetal mycobacterial infection in Japan.

Show MeSH
Related in: MedlinePlus