Aplastic bone marrow (also known as aplastic anemia) is relatively rare in small animals. It is characterized by pancytopenia in the peripheral blood and a three linage bone marrow hypoplasia (erythroid, myeloid and ...

The macrophage activation syndrome (MAS) is an uncommon complication of chronic rheumatic diseases, specially systemic onset juvenile idiopathic arthritis (JIA). It can be triggered by infectious (viral or bacterial) or ...