Trophoblast Emboli in a Chinchilla

Trophoblast Emboli in a Chinchilla
 
History:   An 8-11 month old female intact Chinchilla had given birth to 3 baby Chinchillas 2 weeks prior.   Without any premonitory signs she “had a spasm, fell to the side and died ½ hour later”.
Gross findings:
The lungs were mottled red and pink, wet and heavy. The right cranial lung lobe was most affected.
The [...]

Uterine Polyp in a Rat

Uterine Polyp in a Rat
History:  A two year old black and white female intact rat with chronic non-responsive skin lesions.  
Gross Pathology:
In this case there was multifocal ulcerative dermatitis (not shown)
Histopathology:
Uterus:  Filling the uterus is a pedunculated mass of mature collagenous connective tissue with sparse number of fibroblasts covered by endometrial epithelium.
 
 
 
 
 
 
 
 
 
Comment:
This is a fairly [...]