Dermatology (Pt. 3) Flashcards
Gangrene
Tissue necrosis caused by loss of blood supply; from greek, gangraina = “an eating sore”
Herpes Simplex
Infection by herpes simplex virus (HSV) causing pianful blisters around lips and nose; common name = fever blisters.
Herpes Zoster
Viral infection of a nerve root that causes appearance of very painful blisters along the path of a nerve; common name = shingles
Impetigo
Inflammatory skin disease with pustules that rupture and become crusted
Laceration
- Jagged-edged skin wound caused by tearing of the skin
- Does not mean a skin cut
Laser Surgey
Removal of skin lesions and birthmarks using laser beam
Lesion
General term that indicates the presence of some types of tissue abnormality: from latin, laedere = “to injure”
Macule
Flat, discolored spot on the skin surface
EX:
- Freckle
- Birthmark
Malignant Melanoma (MM)
- Aggressive form of skin cancer that originates in a melanocyte
- Prone to metastasize or spread
Necrosis
Area of tissue death
Nevus
Pigmented skin blemish, birthmark, or mole
Nodule
Solid, raised clump of skin cells
Onychia
Inflammed nail bed
Papule
Small, solid, raised lesion on surface of the skin
Petechiae
Flat, pinpoint, purplish spots from bleeding under the skin