Lymph 3

• What are the two main types of leukaemia defined by cell line of origin?

  Lymphocytic and myelogenous
• How are leukaemias classified based on progression?

  As acute (rapidly progressive) or chronic (slowly progressive)
• What characterizes acute leukaemia?

  Rapidly progressive, poorly differentiated cells
• What characterizes chronic leukaemia?

  Slowly progressive, well-differentiated cells
• What are the common forms of lymphosarcoma in different animal species?

  • Cats: Multicentric, alimentary, and thymic forms
  • Dogs: Multicentric form with various organ involvements
  • Cattle: Enzootic bovine leukosis and sporadic forms
  • Horses: Cutaneous, subcutaneous, and multicentric forms
• What is the most common tumor type in cats?

  Multicentric lymphosarcoma
• What is enzootic bovine leukosis caused by?

  Bovine leukemia virus
• What are some other tumor types mentioned in the document?

  Plasma cell tumors, myeloproliferative diseases, malignant histiocytosis, and secondary tumors
• What viral association is linked to feline leukemia?

  Feline leukemia virus (FeLV)
• What viral association is linked to bovine leukemia?

  Bovine leukemia virus (BLV)
• What other condition also causes hypercalcemia in dogs 


  Apocrine anal sac glad adenosarcoma
• What is the most important form of feline lymphosarcoma 


  Thymic forms recognized