What is a scaling lesion?
What is a scaling lesion?
Scaling skin is dry, cracked, or flaky skin. Also known as desquamation, scaling skin happens when the outer layer of the skin, called the epidermis, begins to flake off. Scaling skin may arise when an injury or a medical condition damages the outer layer of skin.
What is a crusting lesion?
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.
What is erythematous plaques?
Typically, the tumors are characterized by an erythematous macule, patch, or thin plaque with a fine scale or irregular superficial erosion. The lesions exhibit little tendency to ulcerate or invade, and enlarge slowly. Close examination of the edges of the lesion shows a “rolled” raised border.
What is scaly erythematous dermatitis?
Psoriasis is a common inflammatory skin disease characterized by erythematous scaly papules and plaques that tend to localize to the elbows, knees, and scalp but may be generalized. Psoriasis is a chronic dermatosis with a strong genetic basis and several clinical subtypes.
When should I be concerned about a skin lesion?
Sudden changes in any lesion should cause concern. Although cancer is a less likely cause of skin lesion changes, early diagnosis and treatment almost always lead to better outcomes. Therefore, if you notice changes in your skin, seek medical advice.
How do you treat erythematous plaques?
Erythema nodosum is initially managed by identifying and treating any underlying condition, along with the skin lesions. Treatments for erythema nodosum include anti-inflammatory drugs, and cortisone by mouth or injection. Colchicine is sometime used effectively to reduce inflammation.
Which is more common plaque or erythematous lesions?
The lesions frequently are mistaken for plaque psoriasis, which usually demonstrates erythematous plaques with thick, often lamellar scale and good initial response to topical steroids. Plaque psoriasis is the most common type of psoriasis.
How big are erythematous plaques on the trunk?
A 54-year-old man presented with multiple erythematous and eroded patches and thin plaques scattered on the trunk. They were demarcated sharply, were minimally scaling, and varied in size from 2 to 12 cm ( Figures 1 and 2).
What causes thickening and induration of the skin?
Induration, or deep thickening of the skin, can result from edema, inflammation, or infiltration, including by cancer. Indurated skin has a hard, resistant feeling. Induration is characteristic of panniculitis, some skin infections, and cutaneous metastatic cancers.
How are erosions related to inflammatory skin diseases?
Erosions can be traumatic or can occur with various inflammatory or infectious skin diseases. An excoriation is a linear erosion caused by scratching, rubbing, or picking. Ulcers result from loss of the epidermis and at least part of the dermis.