Table 1.

Proposed radiological scoring system, with increasing scores consistent with physiological changes occurring in more advanced stages of lymphedema.

Categorical score	Description
(unscored)	Images of unacceptable diagnostic quality
1	No lymphatic vessels or scant, thin lymphatic vessels discernable
2	Thin linear lymphatic vessels discernable without heterogeneity
3	Engorged linear lymphatic vessels discernable with signal heterogeneity
4	Engorged linear and tortuous lymphatic vessels discernable with or without signal heterogeneity (cloud pattern)
5	Engorged or non-engorged lymphatic vessels discernable with varying diameter with signal heterogeneity (beading pattern)