Differential diagnosis is based on the most popular topics of dermatology diseases. Differential diagnosis app is designed to help family doctors, dermatology trainees, medical students, and other interested healthcare professionals. Differentials diagnosis of skin conditions with confidence. Dermatology Differential diagnosis App starts by providing a pictures of skin diseases, complete with more than 400 photos, to aid diagnosis according to morphology, or body site. Dermatology Differential diagnosis App has been pointed down, cross-references then guide you to more detailed descriptions by photographs.