Can secondary lymphedema in a limb contribute to symptoms of Raynaud’s phenomenon and/or erythromelalgia in the digits? — BONNIE FAHERTY, PhD, APRN, BC, Northridge, Calif. Raynaud’s phenomenon is a ...

Background: A 15-year-old boy presented with recurrent episodes of erythema and burning pain in the distal extremities, which he had experienced since early childhood. The episodes were triggered by ...

Erythromelalgia, also known as EM is a rare disorder that typically affects the skin of the feet or hands, or both, and causes intermittent, painful swelling, visible redness, intense heat and burning ...

This patient represents a typical case of juvenile onset primary familial erythromelalgia, a rare disorder that has been shown in some patients to be caused by a mutation to the SCN9A gene. Diagnosis ...