Rashes can have macules, patches (flat spots at least 1 cm in size), papules (raised skin lesions less than 1 cm in size), plaques (raised skin lesions at least 1 cm in size), and more, depending on the type of rash. “Macule” is just a word that doctors use to describe what they see on the skin.

What are examples of papules?

Some examples may be: contact dermatitis, which is caused when certain materials touch the skin and create an irritation or allergic reaction. warts, which are bumps on the skin caused by human papillomavirus (HPV) seborrheic keratosis, a condition in which skin growths develop a rough, wart-like appearance)

What are the 3 types of lesions?

Primary skin lesions tend to be divided into three groups:
Lesions formed by fluid within the skin layers. Examples include vesicles and pustules.Lesions that are solid masses. Examples include nodules and tumors.Flat lesions. Examples include patches and macules.

What is difference between papule and nodule?

Nodule: a circumscribed, elevated solid lesion with depth up to 2 cm e.g. cyst. Papule: a circumscribed, elevated solid lesion up to 1 cm in size, elevation may be accentuated with oblique lighting, e.g. Mila, acne, verrucae.

What are macules?

A macule is a flat, distinct, discolored area of skin. It usually does not include a change in skin texture or thickness.

What is an example of macules?

Macules are flat, nonpalpable lesions usually

What is the difference between a macule and a patch?

MACULE – A circumscribed, flat area of discoloration that is less than 10 mm* in diameter. PATCH – A circumscribed, flat area of discoloration that is greater than 10 mm* in diameter. Slight scale may or may not be present.

Is a wheal a papule?

A wheal is essentially a papule or plaque that is characteristically evanescent. It is often white at the core with an erythematous base. A fluid-filled lesion would be a vesicle, bulla, or pustule.

What is crust in skin?

Crust. A dried exudate on the skin surface, either serum, blood or pus or a combination. Crusts are commonly seen in diseases with a pustular component (eg canine pyoderma, pemphigus foliaceus), and where the exudate from erosions and ulcers dries on the surface of the lesion.

Is a freckle a macule?

Definition. A freckle (ephelis) is a brown macule found in sun-exposed areas of the skin (Fig. 6.1). The amount of melanin in the basal area of the epidermis is increased, with no increase in the number of melanocytes.

What is a papule skin lesion?

A papular lesion is a solid, raised area, usually less than 1 cm in diameter, with distinct borders. The papule may be pink, red, violaceous, flesh colored, and hyperpigmented or hypopigmented. Papulosquamous disorders describe skin lesions with papules that have an accompanying scale.

What are the 6 primary skin lesions?

Primary Skin Lesions
Macule.Papule.Nodule.Tumor.Plaque.Vesicle.Bullae.Pustule.

Is acne a macule?

All characteristic lesions of acne vulgaris can occur in skin of colour, but it usually presents with less discernible redness and more postinflammatory hyperpigmentation (pigmented macules) which persists long after the acne lesion has gone.

What can cause macules?

Macules can feature in any number of common and uncommon medical conditions, including:
Vitiligo, the loss of skin color associated with autoimmune disorders.Tinea versicolor, dark or light patches of skin caused by a fungus.Cutaneous candidiasis, a red, itchy rash caused by the same fungus as oral thrush.