Introduction to diagnosis in dermatology -- Bacterial dermatoses -- Fungal dermatoses -- Parasitic dermatoses -- Viral and protozoan dermatoses -- Allergic dermatoses -- Dermatoses of endocrine and metabolic origin -- Autoimmune or immune-mediated dermatoses -- Dermatoses caused by keratoseborrhoeic and pigment disorders -- Most common neoplasms -- Non-inflammatory, non-endocrine alopecias