Seborrheic dermatitis is a skin condition that causes patches of … Color Red skin (erythema) can result from many different inflammatory or infectious diseases. These conditions include moles, freckles, skin tags, benign lentigines, and seborrheic keratoses. When applied as an assistant system, the CNN's higher sensitivity at an equivalent specificity may result in an improved early detection of face and scalp skin cancers. It can simply be a discoloration of your skin. These lesions may resolve spontaneously. They may exist in only one place or all over your skin. Fungus; Skin fungus is a common reason for dog skin lesions. Stockfleth E; Topical management of actinic keratosis and field cancerisation. See also the separate Intradermal and Compound Naevi article. Lesions of the face and neck, such as skin tags, moles (nevus or nevi), age spots (seborrheic keratosis), cysts, and precancerous lesions (actinic keratosis) are common. Hidradenitis suppurativa involves skin containing a high density of apocrine glands, including the axillae, groin, and under the breasts. The term also includes rashes, bumps, or rough patches that can occur anywhere on your body. If a part of the skin no longer resembles the area around it, it qualifies as a skin lesion. Common benign skin lesions of melanocytic origin include the ephilis, lentigo simplex, and melanocytic naevus (mole). Can also occur in sites of skin injury / several to many / 1--2 mm diameter / white-yellow papules protruding from just under the skin surface) Epidermoid cyst syn. On darker skinned people, they might appear lighter or darker than the person's usual skin tone.  

View. The epidermis is the topmost layer and is superficial in nature. Chronic cases are filled with puss and draining puss. The skin of elderly persons possesses a greater number of benign growths and neoplasms than the skin of younger and middle-aged persons. Skin cancer most often develops on areas of your body that get the greatest exposure to the sun’s ultraviolet (UV) rays. Figure 3. Even though many of these lesions are benign, meaning they are not a malignancy or cancer, their appearance is often still bothersome. The lesions are well demarcated, range in size from 0.5-10 cm, and typically involve only the epidermis. Most adults will have approximately 30 moles which they have been acquiring from infancy. Basal cell carcinomas. Figure 2. The terms used to describe dermatologic lesions are unique, specific and highly important for accurate diagnosis and communication 2. The lesions frequently arise on sun-exposed areas of the face, lips, ears, scalp, shoulders, neck and the back of the hands and forearms. Diagnosis of skin problems in cats can be a challenge since cats have a tendency to lick or use their teeth on itchy areas. But the raised lesion … Several fungal problems like that in aspergillosis, cryptococcosis and ring worm can cause skin lesions. Other causes of pigmented skin lesions Intradermal naevi. The skin has three main layers. While most noncancerous skin lesions do not invade other tissues and spread to other parts of the body, it is critical that all benign lesions be self-monitored in addition to being examined by a clinician if any changes occur. It's most commonly found on your face, lips, ears, back of your hands, forearms, scalp or neck. Sunburns are generated by ultraviolet radiation B. G Ital Dermatol Venereol. Naevi remain static whereas melanoma change in size, shape or colour over weeks or months. Untreated, they can turn into a … It can resemble squamous cell carcinoma. Initially, symptoms include skin lesions of well-defined pink patches covered with fine scales and wrinkling that become red, then brown and scaly. Skin cancers often don't cause bothersome symptoms until they have grown quite large. Another form of AK known as actinic cheilitis appears on the lower lip. Its treatment includes laser, chemical peel, microdermabrasion This verrucous lesion is a seborrheic keratosis. 2009 Aug144(4):459-62. An actinic keratosis is a precancerous skin lesion. New skin generally regrows within a few weeks. Not using sunscreen and other preventive measures is reflected in skin aggressions that become too serious. It’s commonly found on your face, chest, arms, and hands. In order to understand skin lesions, one needs to know anatomy of the skin. Irritated seborrhoeic keratosis is erythematous and crusty. Fibrous papule of the face is a common, benign, discrete, firm, dome-shaped, shiny, skin-colored to pink papule, which represents an angiofibroma. Skin cancer. Discoid lupus erythematosus has characteristic lesions on sun-exposed skin of the face, especially the forehead, nose, and the conchal bowl of the ear. Multiple eruptive lesions may arise when a patient is unwell, and is sometimes a sign of systemic malignancy (sign of Leser-Trélat. They may also appear after skin injury, including sun burn and dermatitis. Curr Opin Otolaryngol Head Neck Surg. 2009 Aug17(4):315-20. The majority of lesions manifest as a solitary defect on the scalp; however, multiple lesions can occur. These conditions include: Seborrheic dermatitis. Ponti G, Luppi G, Losi L, et al; Leser-Trelat syndrome in patients … These patches take years to develop, usually first appearing in people over 40. ... A macular seborrheic keratosis can be seen on the side of this woman’s face. View

Some basal cell carcinomas can be easier to spot, such as this one near the ear. These lesions often appear as rough spots on the skin and are caused by sun exposure or indoor tanning. In people with darker skin tones, the lesion may be darker but still somewhat translucent. Color Red skin (erythema) can result from many different inflammatory or infectious diseases. Skin lesions include such issues as moles, warts, skin tags, cysts and others. The lesion may rupture, bleed and scab over. The most common type of basal cell carcinoma, this lesion often appears on the face and ears. Macule: Small, flat, non-palpable lesion (<1 cm). Seborrheic keratoses are typically brown or yellow-white. Pharmacist guidance regarding medication management in the treatment of benign skin growths and cancer prevention interventions is essential. Below, we detail them. A skin lesion is a generic term that describes some type of abnormality. Licking can cause lesions to become infected and hair loss. Milia (face most common site, especially the eyelids and cheeks. Depending on the underlying cause, they may or may not be painful or itchy. There are several skin lesions that are very common and benign (non-cancerous). But typically they can be seen or felt long before they reach this point. Erythrasma is a superficial skin infection caused by the Corynebacterium minutissimum bacteria. Brodsky J; Management of benign skin lesions commonly affecting the face: actinic keratosis, seborrheic keratosis, and rosacea. Various skin conditions that cause lesions are common among people with HIV. Skin lesion is an all-inclusive term for any type of skin abnormality, including a rash, mole, wart, cyst, blister, bump, discoloration, cut or growth. On lighter skin, they can appear as pale, pink, or red, shiny or pearly bumps. Basal cell carcinomas can sometimes be difficult to see, such as this one on the face. Description Skin lesions can be grouped into two categories: primary and secondary. Skin lesions symptoms. Dog skin lesions caused by dermatitis appears as red areas on the skin, alopecia (hair loss) and skin crusts. Cryosurgery: The physician applies liquid nitrogen to freeze the tissue, which eventually falls off, allowing healthy skin to emerge. Ephilides are genetically determined well-defined small brown macules with the following characteristics: 1–4 mm in diameter; Tan or brown colour; Located in areas exposed to the sun such as the face and forearms. Skin lesions are typically caused by damage to … Also known as a solar keratosis, an actinic keratosis enlarges slowly and usually causes no signs or symptoms other than a patch or small spot on your skin. "Feline skin lesions have many possible causes including allergy, infections and parasites. Also called common naevi. A brown, black or blue lesion — or a lesion with dark spots — with a slightly raised, translucent border. Aplasia cutis congenita is characterized by the absence of a portion of skin in a localized or widespread area at birth. The appearance of skin lesions on face from sun exposure is the result of lack of care when tanning or any outdoor activity. Dermatologists take a close look at pigmented lesions like this one because in rare instances they turn out to be melanoma - the most dangerous kind of skin cancer. Primary Lesions: Those lesions that are the direct result of a pathologic process. Many lesions cause only cosmetic concern; however, some issues may cause slight discomfort, irritation and inflammation. New common moles rarely develop after age 40 years and any … Discoid lupus erythematosus has characteristic lesions on sun-exposed skin of the face, especially the forehead, nose, and the conchal bowl of the ear. Then they may itch, bleed, or even hurt. Sunburn. Hidradenitis suppurativa involves skin containing a high density of apocrine glands, including the axillae, groin, and under the breasts. Skin cancers -- including melanoma, basal cell carcinoma, and squamous cell carcinoma -- often start as changes to your skin. Skin lesions are a frequent presentation in general practice so it is important for clinicians to be able to distinguish benign conditions from those such as melanoma that will require urgent referral and treatment. The term skin lesion refers to any cutaneous surface change. Skin Lesions: Definition A skin lesion is a superficial growth or patch of the skin that does not resemble the area surrounding it. There are several ways to remove the skin lesion with surgery, including: Chemical peel: The physician applies a chemical to the face, causing the top skin layers to peel off. Basal cell cancers usually develop on areas exposed to the sun, especially the face, head, and neck, but they can occur anywhere on the body. It can be divided into five layers and the top layer of epidermis is made up of flat and dead skin cells that shed every two weeks. Most lesions are located on the nose and, less commonly, on the cheeks, chin, neck, and, rarely, on the lip or forehead.