Category: Diseases

Sunburn is an acute, delayed, and transient inflammatory response of the skin after exposure to ultraviolet radiation (UVR) from sunlight or artificial sources. Sunburn is characterized by erythema and, if

Acute lymphangitis is an inflammatory process involving the subcutaneous lymphatic channels. It is due most often to group A streptococcus (GAS) but occasionally may be caused by Staphylococcus aureus; rarely,

The acute HIV syndrome is characterized by an infectious mononucleosis-like syndrome or aseptic meningitis syndrome with fever, lymphadenopathy, meningitis, GI symptoms, and a characteristic infectious exanthem, an enanthem, and genital

Acral lentiginous melanoma (ALM) is a special presentation of cutaneous melanoma arising on the sole, palm, fingernail or toenail bed. ALM occurs most often in Asians, sub-Saharan Africans, and African

Melanocytic nevocellular nevi (NCN) are small (< 1 cm), circumscribed, acquired pigmented macules, papules, or nodules composed of groups of melanocytic nevus cells located in the epidermis, dermis, and rarely,

Definition The skin manifestation of pilosebaceous unit or follicular duct plugging with excess sebum, cell debris, Propionibacterium acnes, staphylococcal bacteria, and perspiration. History Symptoms: Whiteheads, blackheads, pimples, and larger bumps

An abscess is a circumscribed collection of pus appearing as an acute or chronic localized inflammation, associated with tissue destruction. A furuncle is an acute, deep-seated, red, hot, tender nodule