Normal Distribution Cases
  1. Brain
  2. Heart
  3. Skeletal muscle
  4. Larnyx
  5. GI Tract
    1. Gastric/GE- Junction
    2. Colon
    3. Liver
  6. Genito-urinary tract
    1. Kidneys
    2. Ureters
    3. Uterus - menstruation
  7. Bone Marrow
  8. Thyroid - normal, goiter, benign nodules
  9. Lymphoid Tissue
    1. Spleen
    2. Activation of hematopoiesis
  10. Salivary Gland
  11. Brown fat
Benign Pathologic Variants
  1. Wound Healing
    1. Tracheotomy
  2. Surface - carbuncles, acne
  3. Skeletal
    1. Fractures
    2. Prosthesis
    3. Arthritis
  4. Radiation
    1. Pneumonitis
    2. Esophagitis
  5. Sarcoidosis
  6. Ventral Hernia
  7. Rectal Hemorrhoids
Cases with Pitfalls & Artifacts
  1. Movement
    1. Mis-registration
    2. Respiratory: Liver
  2. Reconstruction
    1. CT Truncation
  3. Metallic objects
    1. Pacemaker
  4. Oral Contrast