eg Chest CT

trachea

bronchi

segmental airways

subsegmental airways

RUL

RML

RLL

LUL

LLL

heart

LA RA RV LV

MPA Ao LAD RCA LCx

lymph nodes

anterior mediastinum

thyroid and neck

axilla

breasts

esophagus

stomach

duodenum

liver

gallbladder

bile ducts

pancreas

spleen

adrenals

kidneys

abdominal wall

ie the logical and spatially related way to look at the these structures

• trachea
• mainstem bronchi
• segmental airways
  • middle lobe
    • lateral
    • medial
  • RLL
    • apical
    • anterior
    • lateral
    • posterior
    • medial
  • LLL
    • apical
    • anterior
    • lateral
    • posterior
    • medial
  • Lingula
    • inferior
    • superior
  • LUL
    • anterior
    • superior
    • posterior
  • RUL
    • anterior
    • superior
    • posterior
  • Parenchyma
    • RUL sweep
    • RML sweep
    • RLL sweep
    • LLL sweep
    • Lingula sweep
    • LUL sweep
• Nodule Search
  • switch between conventional lung algorithm and MIPS
  • RUL
    • conventional – superior to inferior
    • switch to MIPS – inferior to superior
  • RML
    • conventional- superior to inferior
    • switch to MIPS inferior to superior
  • LLL
    • conventional- superior to inferior
    • switch to MIPS inferior to superior
    • conventional – superior to inferior
    • switch to MIPS – inferior to superior
  • LUL
    • conventional- superior to inferior
    • switch to MIPS inferior to superior

• Heart
  • Clockwise Sweep
    • LA RA RV LV
    • Up to
      • MPA
    • Across to
      • Ao
    • Down to
      • LAD
    • Rightward to
      • RCA
    • leftward to
      • LCx
  • Up to A-P window
    • lymph nodes
      • across from right to left  to
        • left paratracheal lymph nodes
        • pre-carinal lymph nodes
        • azygous  lymph node
        • right hila lymph nodes
  • Search of the triangles
    • go under to subcarinal triangle
    • anterior mediastinum to superior mediastinum
    • thyroid triangle
    • right axilla
    • right breast
    • left breast
    • left axila
  • esophagus
    • down the esophagus to the
    • stomach
      • fundus body antrum pylorus duodenum
    • Liver
      • segments 1 2 3 4
      • jump over the gallbladder to
      • 5 6 7 8
    • gallbladder to
    • bile duct to
    • pancreas to
    • spleen to left adrenal to right adrenal to
    • right kidney to left kidney to
    • retroperitoneum
    • aorta and IVC to
    • abdominal wall