Haemophagocytic syndrome in a dog

Haemophagocytic syndrome in a dog
History: A 4 year old female spayed Border Collie mix had a 10 day history of refractory IMHA/ ITP with possible DIC.  She had abdominal effusion which was determined to be a modified transudate.
Gross Lesions:
Icterus of mucous membranes and mesentery. The abdominal cavity contained approximately 100-200 ml of bright orange clear fluid.
The spleen was [...]