Revised Pattern Analysis

Question 1

What is the heirarchy of patterns in RPA?

Answer 1

Lines (reticular, branched, angulated, curved, parallel and radial)
Pseudopods
Circles
Clods
Dots
Structureless

Question 3

What shape can lines take?

Answer 3

Reticular
Branched
Parallel
Radial/converging
Curved

Question 4

Define a line

Answer 4

A structure where length greatly exceeds width

Question 5

Define pseudopod

Answer 5

A line with a bulbous end

Question 6

Define a circle

Answer 6

A curved line sensible equidistant from a central point

Question 7

Define a clod

Answer 7

A well defined solid object larger than a dot, of any color

Question 8

Define a dot

Answer 8

An object too small to have a discernable shape

Question 9

Define structureless

Answer 9

An area covering a significant portion of the lesion with no basic structure predominating

Question 10

What is the proportion of a lesion that a basic structure should cover before it is defined as a pattern?

Answer 10

Approx 20-25%