What Could Be the Cause of a Hard Lump on My Leg?

By Staff WriterLast Updated Apr 5, 2020 6:32:18 AM ET

Leg lumps can be caused by abscesses, boils, bone infections, warts, moles, lipomas, bone cancer, septic arthritis, insect bites, hematomas and broken bones, according to Healthgrades. Additional causes of leg lumps include cellulitis, osteoarthritis, gout, erythema nodosum, lymphoma, melanoma, psoriatic arthritis and rheumatoid arthritis.