- Prolonged deficiency in calories and protein
- Risk factors
- Alcoholism, psychiatric disorders, special diets, child abuse, neglect
- Malabsorption, chronic diarrhea, malignancy, chronic disease, AIDS, metabolic disorders
- Clinical presentation
- Dry, thin, wrinkled, pale skin with scale
- Hyperpigmentation
- Follicular hyperkeratosis, folliculitis, ulcerations, lanugo-like hair, purpura