Extreme weakness and difficulty in swallowing

A female patient aged 22 years presented with the conditions depicted in the image. The complaint started 6 months ago as itching and scaling of scalp. 2 months later the symptoms shown in the image started developing, followed by extreme weakness and difficulty in swallowing. What is the diagnosis?

image

  1. Dermatomyositis
  2. Rosacea
  3. Lichen planus
  4. TineaCorporis