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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

Gross photograph of the surface of the amnion. Multifocal to coalescing, raised yellowplaques are distributed across the surface of the amnion. Bar=2 cm.
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fig_003: Gross photograph of the surface of the amnion. Multifocal to coalescing, raised yellowplaques are distributed across the surface of the amnion. Bar=2 cm.

Mentions: In the placenta, the cervical star exhibited a birth tear. In addition, the placenta hadthickened slightly due to edema, and the chorionic surface was diffusely congestive andcovered with a sanguineous exudate containing necrotic debris. The allantoamnion was diffuselyedematous, and numerous raised yellow plaques, which measured up to 1 cm in diameter and insome cases had fused together, were distributed across the surface of the amnion (Fig. 3Fig. 3.


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)

Gross photograph of the surface of the amnion. Multifocal to coalescing, raised yellowplaques are distributed across the surface of the amnion. Bar=2 cm.
© Copyright Policy - open-access
Related In: Results  -  Collection

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

fig_003: Gross photograph of the surface of the amnion. Multifocal to coalescing, raised yellowplaques are distributed across the surface of the amnion. Bar=2 cm.
Mentions: In the placenta, the cervical star exhibited a birth tear. In addition, the placenta hadthickened slightly due to edema, and the chorionic surface was diffusely congestive andcovered with a sanguineous exudate containing necrotic debris. The allantoamnion was diffuselyedematous, and numerous raised yellow plaques, which measured up to 1 cm in diameter and insome cases had fused together, were distributed across the surface of the amnion (Fig. 3Fig. 3.

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