Table I.

Classification of types of Dercum’s disease (based on Hansson et al. [6] with descriptions partially based on Kosseifi et al. [26])

Type	Description
Type I Generalized diffuse form	Widespread pain from fatty tissue, very small adipose deposits can be palpated in various parts of the body but pain can occur in areas without detectable lumps
Type II Generalized nodular form	Pain around and in lipomas localized in multiple parts of the body
Type III Localized nodular form	Painful lipomas in limited locations
Type IV Juxta-articular form	Painful folds of fat located inside or very near big joints (the knee, hip or elbow)