Type of skin lesion resulting from external factors such as scratching, or infection.
•What is a secondary skin lesion?
A primary lesion that is a superficial solid lesion less than 1 centimeter in diameter.
What is a papule?
•A lice infestation of the scalp is called this:
What is pediculosis capitis?
Occurs when the tips of fingers enlarge and nails curve around the fingertips.
What is nail clubbing?
These small punctate depressions of the nails are caused by proximal nail matrix inflammation, and are commonly related to psoriasis.
What is nail pitting?
A primary skin lesion that is a circumscribed flat discoloration < 1 centimeter.
•What is a macule?
A primary skin lesion that is a vesicle containing pus.
What is a pustule?
A well circumscribed area of absent hair with smooth skin on the scalp is typical of this condition.
•What is alopecia areata?
Condition presenting as a concave indentation in the fingernails and resembles the shape of a spoon. May occur with some types of anemia.
What is koilonychia?
•An evolving, assymetrical lesion with irregular borders and varied colors that is larger that 6mm is typical of this condition.
What is malignant melanoma?
A secondary skin lesion composed of dried serum.
What is a crust?
Type of lesion distribution where small and large lesions run into each other.
What are coalescing or confluent lesions?
An area of hair loss on the scalp featuring inflammation and short broken off hairs is typical of this fungal condition.
What is tinea capitis?
This is the opaque crescent-shaped white area at the base of the fingernail.
What is the lunula?
•A gradual type of hair loss caused by pulling force applied to the hair that may occur with tight ponytails, pigtails or braids.
•What is traction alopecia?
This type of configuration describes round or annular lesions with a central internal activity zone.
What is a target or iris lesion?
In dermatology, separate lesions are described by this term.
What are discrete lesions?
Hair loss or receding hairline in men, due to androgens and genetics is known as…
What is male pattern baldness?
•These are transverse depressions in the nail plate caused by temporary cessation of nail growth.
•What are Beau’s lines?
This layer of skin contains the stratus corneum, keratinocytes and melanocytes.
•What is the epidermis?
Type of lesion attached to the skin by its base
What is a sessile lesion?
A lesion that is attached by a stalk is described as this type of lesion.
What is a pedunculated lesion?
This is a common condition that often presents as ill-defined scaly patches in the scalp.
•What is seborrheic dermatitis?
Dark spots on the nail plate caused by hemorrhage of the proximal capillary loop, indicative of subacute endocarditis.
•What are splinter hemorrhages?
•This annular lesion occurs as a manifestation of first stage Lyme disease.
•What is erythema chronicum migrans?