Transcript Special Views

Special Views
Orientation
Descriptive Terminology
UIQ, UOQ, LIQ, LOQ
Clock description
2:00 in rt breast is in UIQ
2:00 in lt breast is in UOQ
Always describe abnormalities in
terms of quadrant and clock-time
Tangential
To Skim the area of interest free of
superimposition
Must be palpable or viewed in two
views
Also used for skin calcifications
Tangential
UIQ and LOQ require SIO
UOQ or LIQ require MLO
True Lateral for 12:00 and 6:00
CC for 3:00 and 9:00
SIO Rt 1:00 or 7:00
Cleavage
Images the extreme medial aspect of
the breast.
Both breasts placed on image
receptor.
Offset breast to cover AEC
CLEAVAGE
CLEAVAGE IMAGE
Spot Compression
Used when there is a question of a
mass.
Tissues spread more evenly, possibly
eliminating pseudo mass.
If seen on both views, “spot” on both
Spot Compression Procedure
Locate mass on CC and MLO
Measure with ruler or finger from
nipple to area of interest.
Measure from medial or lateral side
on CC
Measure from superior or inferior on
MLO
http://sprojects.mmi.mcgill.ca/dir/mammography.html
Roll
Performed instead of or in
conjunction with the “Spot
Compression”
Roll superior part of breast in one
direction and inferior aspect in
another direction.
Mark according to which way superior
aspect of breast is rolled.
Magnification
Border detail
Calcifications
Specimens
Magnification Technique
No grid
Small FSS
May use spot compression or large
paddle depending on abnormality.
Magnification
CC Milk of Calcium (Pearl)
Viewing A Mammogram
Right and Left opposite each other
for CC and MLO
Place comparison films either to the
sides or above or below current films
Hang anatomically
Axillary region always up
Marker always in Axillary region
Non-Conforming Patients
Small Breasted
Large Breasted Obese
Obese Patient
Barrel Chest (Pigeon Breast);20, xcc
Pectus Excavatum (Sunken Chest);SIO
Kyphoscoliosis; Sit, LM
“Wrap around the Corner Breast”
Male; Less compression, Use clean thin
sponge
Pectus Excavatum
Pectus Excavatum
Thin Base Breasts
Cancer Patients
Post Mastectomy
Breast Conservation Therapy
BCT with Radiation Therapy