SKIN LESIONS

LESIONS

• Areas of tissue that have been pathologically altered by injury, wound, or infection.

LESIONS

• Primary skin lesions: are the initial reaction to pathologically altered tissue and may b flat or elevated.
• Secondary skin lesions: are changes that take place in the primary lesions due to infection.

PRIMARY LESIONS

• Flat lesions
• Elevated lesions

PRIMARY LESIONS 1

• Macule- flat, pigmented, area less than 1cm in diameter. (Ex. Freckles, flat moles, or rash that occurs in rubella)

PRIMARY LESIONS 2

• Solid
• Fluid

PRIMARY LESIONS 2.1

• Papule- solid elevated