Diseases of the Blood

TERMS

• Red bone marrow– erythrocytes

• hemoglobin

– thrombocytes– WBC/leukocytes

• Lymph nodes– leukocytes

LEUKOCYTES

• Neutrophils-phagocytes• eosinophils-allergies/parasites• basophils-nonspecific--release histamine• Lymphocytes-synthesis of antibodies

production of immunoglobins

• Monocytes• Platelets

DISEASES

–Anemia– decrease amount of O2–iron deficiency– more common– causes: chronic blood loss, diet, intestinal parasite, pregnancy–Hemolytic (hereditary)– thalassemia– sickle cell– spherocytosis

RADIOGRAPHIC FINDINGSLEUKEMIA

• Patchy, lytic, moth-eaten appearance of bone

• Mediastinal enlargement/hilar lymph nodes

• splenomegaly

LYMPHOMA

• All are malignant• Hodgkins• Non-Hodgkins

• RADIOGRAPHIC FINDINGS• Mediastinal enlargement• interstitial lung markings-prominence• masses in stomachs• ivory vertebra• gastric folds-distorted/thickening

ENDOCRINE

Secrete hormones

GLANDS

• Pituitary• adrenal• thyroid• parathyroid• pancreas• islet of Langerhans

DISEASES

• Cushing/Neuroblastoma-adrenal• Diabetes insipidus-pituitary• Hyperthyroidism/hypo/goiter-

thyroid• Diabetes mellitis-pancreas