Keratoses are cornification disorders of the skin with horny and scaly deposits. Typical diseases associated with keratoses include actinic keratosis (noninvasive, early (in situ) squamous cell carcinoma), seborrheic keratosis (senile wart), and keratosis actinica (light keratosis). Pathogenesis (disease development) – etiology (causes) In general, a skin cell requires approximately 28 days from maturation to death. … Keratoses (Cornifications)
Visible head dandruff (synonyms: head dandruff; head seborrhea; pityriasis; pityriasis simplex capitis; pityriasis simplex capitis (head dandruff); seborrheic cradle cap; nausea; ICD-10 L21.0: seborrhea capitis) is dead skin cells that are shed faster than in people who do not have a dandruff problem. Dandruff is actually quite natural. Dandruff is differentiated as follows: Dry dandruff … Pityriasis Simplex Capitis: Dandruff of the Head
In varicose veins (synonyms: Leg varicosis; varicose veins; varicosis; varicose congestion; vein ectasia; venous nodule; ICD-10 I83.-: Varicose veins of the lower extremities) are sac-shaped or cylindrically dilated and tortuous superficial veins. They pose an increased risk for other venous diseases. Varicose veins are among the most common diseases of the leg veins. Varicosis can … Varices: Varicose Veins
Comedones (Latin comedere “to eat’”, “to eat along with”, “to consume”; ICD-10 L70.0: comedones), also called blackheads, are primary, non-inflammatory efflorescences (pathological changes of the skin). They are dilated hair ducts (hair follicles) filled with keratin and sebum. Comedones can occur alone or in association with acne (e.g., acne vulgaris). Symptoms – complaints Frequent occurrence … Comedones: Blackheads
Nevus refers to benign skin/mucous membrane malformations (pigment mark, often called “mole” or “birthmark” in common parlance). The following forms can be distinguished: Dermal melanocytic nevi (ICD-10 D22.9). Mongolian spot – indistinct gray-blue discoloration of the skin in the buttock/back area; regresses by puberty; usually seen in Mongolians. Nevus coeruleus (blue nevus) – coarse blue-black … Nevi: Birthmarks
