What are some possible causes of lymph node atrophy?
Developmental anomaly
Cachexia/malnutrition
Aging
Viral infections (FIV)
What is a regional or generalized lymph node enlargement of unknown or unspecified cause?
Lymphodenopathy
What type of lymphomas are slowly proliferating and poorly responsive to cytostatic chemotherapy?
Small cell lymphoma
What type of lymphomas are highly proliferative and responsive to cytostatic chemotherapy?
Large cell lymphoma
What are some different causes of lymphomas in cattle?
Enzootic bovine leukosis (BLV)
Juvenile multicentric type (6 months)
Thymic type (1-2 years)
Cutaneous type (2-3 years)
What are the preferred locations of lymphomas in enzootic bovine leukosis caused by bovine leukemia virus (BLV)?
Heart
Abomasum
Uterus
Lymph nodes
Spinal canal
Retro-orbital space
What is the usual cause of lymphomas in cats?
Feline leukemia virus (FeLV)
What are the different forms of lymphomas found in cats?
Multicentric
Alimentary/Intestinaly/Enteric
Mediastinal/Thymic
Miscellaneous: renal, ocular, nasal, neural
What type of cytopenia involves the sustained decreased production of all three major hematopoietic lineages (anemia, neutropenia and thrombocytopenia)?
Pancytopenia
What can pancytopenia be due to?
Myelophthisis
Abnormality of hematopoietic cells
What are some possible causes of hematopoietic cell hyperplasia?
Hypoxemia
Antigenic stimulation
Reactive thrombocytosis
Idiopathic
What is abnormally large hematopoietic cells or altered cell formation (altered shape or organization)?
Dysplasia
What is absence of bone marrow hematopoietic tissue of a particular lineage?
Aplasia
What type of leukemia originates from outside the bone marrow?
Lymphocytic (lympoid) leukemia
What type of leukemia is of nonlymphoid origin?
Myelogenous (myeloid) leukemia
What is the replacement of hematopoietic tissue in the bone marrow by fibrous tissue, malignant cells or granulomas?
Myelophthisis
What disease is an inherited disorder of pluripotent hematopoietic stem cells caused by cyclic hematopoiesis in dogs?
Lethal gray collie disease
What is the hallmark of regenerative anemias?
Reticulocytosis
What organ is often enlarged because of hemolysis?
Spleen
What are some mechanisms of neutrophilic leukocytosis?