Also, certain body areas, such as the chest, shoulders, earlobes, and upper back, are more susceptible to keloid formation due to the skin’s tension in these regions. According to StatPearls ...

This image shows the condition Syphilitic Rupia with keloid scarring present on the arm. Syphilitic Rupia is a bacterial skin infection which causes a pustular eruption of encrusted ulcers on this ...