https://www.mayoclinic.org/diseases-conditions/legg-calve-perthes-disease/symptoms-causes/syc-20374343 https://www.mayoclinic.org/diseases-conditions/legg-calve

https://www.mayoclinic.org/diseases-conditions/legg-calve-perthes-disease/symptoms-causes/syc-20374343 https://www.mayoclinic.org/diseases-conditions/legg-calve-pe... Leg calve perthes disease is named after doctors legg and calve. It presented (for me) as pain in my calf, and I spelled it wrong for 5 years.