Which statement best contrasts sole ulcers with white line disease?

• A. Sole ulcers involve tissue under the sole in a weight-bearing area; white line disease presents as separation along the white line at the wall/sole junction.
• B. White line disease shows separation along the wall/sole junction; sole ulcers involve the interdigital space.
• C. They are the same condition at different stages.
• D. White line disease is always infectious; sole ulcers are not.

Answer: (A)