|Which of the following is a primary lesion frequently seen in cases of severe acne?||Cyst|
|A freckle is an example of a:||Macule|
|A solid bump larger than 1 centimeter that can be easily felt is called a:||Nodule|
What is the primary lesion in acne?
The primary lesion of acne vulgaris is the comedo, or blackhead, which consists of a plug of sebum (the fatty substance secreted by a sebaceous gland), cell debris, and microorganisms (especially the bacterium Propionibacterium acnes) filling up a hair follicle.
Which skin lesion is found in clients with acne?
Papule is a small elevation on the skin that contains no fluid but may develop pus. Papules are frequently seen in acne. Pustule is a raised, inflamed, papule with a white or yellow center containing pus in the top of the lesion referred to as the head of the pimple (Figure 8–3).
Which of the following is an example of a secondary skin lesion?
Examples of secondary skin lesions are scales, crusts, excoriations, erosions, ulcers, fissures, scars, and keloids. Scales, which are shed dead keratinized cells, occur with psoriasis and eczema.
Which is an example of a primary lesion?
Primary skin lesions are those lesions which are the direct result of a disease. These include macules, papules, nodules, plaques, vesicles, bullae, pustules, and wheals.
What are the 3 types of lesions?
Types of primary skin lesions
- Blisters. Small blisters are also called vesicles. …
- Macule. Examples of macules are freckles and flat moles. …
- Nodule. This is a solid, raised skin lesion. …
- Papule. A papule is a raised lesion, and most papules develop with many other papules. …
- Pustule. …
- Rash. …
What is the primary lesion?
Identifying Primary and Secondary Skin Lesions
Primary skin lesions are present at the onset of a disease. In contrast, secondary skin lesions result from changes over time caused by disease progression, manipulation (scratching, picking, rubbing), or treatment.
What is the difference between a lesion and tumor?
For example, a bull’s-eye or target lesion is one that looks like the bull’s eye on a target. (In an X-ray of the duodenum, a bull’s-eye lesion can represent a tumor with an ulcer (crater) in the center.) A coin lesion is a round shadow resembling a coin on a chest X-ray. It, too, is usually due to a tumor.
What does skin lesion look like?
Skin lesions are areas of skin that look different from the surrounding area. They are often bumps or patches, and many issues can cause them. The American Society for Dermatologic Surgery describe a skin lesion as an abnormal lump, bump, ulcer, sore, or colored area of the skin.
What do benign skin lesions look like?
It typically presents as a firm papule or nodule on sun-exposed areas. It may be well- or ill-circumscribed, waxy or scaly, translucent, skin-colored to pink or brown, with telangiectases and a variable degree of crusting or ulceration.
What is a tertiary lesion?
Tertiary (ie, late) lesions are caused by obliterative small vessel endarteritis, which usually involves the vasa vasorum of the CNS. Factors that determine the development and progression of tertiary disease are not known.
What is a secondary lesion?
A secondary lesion is an eruption that occurs secondarily after a primary or other skin lesion. Skin atrophy is when skin becomes thin or has a smooth or finely wrinkled surface (Figs.
What are the characteristics of secondary skin lesions?
* Scale-heaped-up keratinized cells; flakey exfoliation; irregular; thick or thin; dry or oily; variable size; can be white or tan.
What is the difference between a primary and secondary lesion?
Definitions of Primary and Secondary Lesions
Primary skin lesions are those which develop as a direct result of the disease process. Secondary lesions are those which evolve from primary lesions or develop as a consequence of the patient’s activities.
What is the difference between a nodule and a papule?
PAPULE – A circumscribed, elevated, solid lesion that is less than 10 mm* in diameter. PLAQUE – A circumscribed, elevated, solid lesion that is greater than 10 mm* in diameter and is usually broader than it is thick. NODULE – A palpable, solid lesion that is greater than 10 mm* in diameter.
Are freckles Macules?
Background and objectives: Freckles (ephelides) are small, light brown macules of sun-exposed areas in fair-skinned subjects. On the other hand, freckle-like pigmentation of the axilla is a highly characteristic feature of neurofibromatosis.