What is the cause of this girl's plantar lesion?

Athlete's Foot (Tinea Pedis) Condition, Treatments and Pictures for Children - Skinsight

Plantar Plate Injury & Podiatry

Does Your Foot Hurt Here?: The Outside of the Foot

Plantar Wart Treatments: Remedies, Removal, and Care

Heel Pain: 5 Common Causes: Elliott M. Perel, DPM, FACFAS: Podiatrist

Why Do My Feet Hurt? 15 Causes Of Foot Pain, Heel Pain, Pain In Arch

Wart on Foot: Types, Causes, and How to Get Rid of It

Conditions Often Mistaken for Plantar Fasciitis

Understanding Plantar Fasciitis: How Physical Therapy Can Help