JPC SYSTEMIC PATHOLOGY
REPRODUCTIVE SYSTEM
JANUARY 2019
R-B05

Signalment (JPC #1844806):  A mare

HISTORY:  This mare's uterus was inoculated with a bacterial suspension 14 days previously.  She developed a mucopurulent vaginal discharge.

MICROSCOPIC DESCRIPTION:  Uterus:  Diffusely, the superficial endometrial stroma is mildy expanded by moderate numbers of lymphocytes, fewer macrophages, plasma cells, and neutrophils.  Multifocally, low numbers of neutrophils transmigrate the endometrial epithelium.  There is mild congestion and edema diffusely within the endometrium.

MORPHOLOGIC DIAGNOSIS:  Uterus:  Endometritis, lymphoplasmacytic, diffuse, mild, breed unspecified, equine.

ETIOLOGIC DIAGNOSIS:  Taylorella endometritis

ETIOLOGY:  Taylorella equigenitalis

DISEASE:  Contagious equine metritis (CEM)

GENERAL:

PATHOGENESIS:

TYPICAL CLINICAL FINDINGS: 

TYPICAL GROSS FINDINGS:

TYPICAL MICROSCOPIC FINDINGS:

ADDITIONAL DIAGNOSTIC TESTS:

DIFFERENTIAL DIAGNOSIS:

Common causes of equine uterine infection

REFERENCES:

  1. Foster RA. Female reproductive system and mammae. In: Zachary JF, ed. Pathological Basis of Veterinary Disease. 6th ed. St. Louis, MO: Elsevier; 2017:1163-1164, 1168.
  2. Schlafer DH, Foster RA. Female genital system. In: Maxie MG, ed. Jubb, Kennedy, Palmer’s Pathology of Domestic Animals. Vol 3. St. Louis, MO: Elsevier; 2016:388-389, 393.
  3. Schnobrich MR. Disorders of the reproductive tract. In: Reed SM, Bayly WM, Sellon DC, eds. Equine Internal Medicine. 4th St. Louis, MO: Elsevier; 2018:1246-1252.


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