Subungual hematoma is a consequence of a mechanical injury to the nail phalanx of the upper or lower limb, in which hemorrhage occurs in the soft tissues of the nail bed. The damage is characterized by pain of varying degrees of intensity, local fever, edema, the appearance of red, and then cyanotic and black staining…
Borderline pigment nevus is a pigmented nodule up to 1 cm in size, the color of which can vary from light brown and gray to black. Borderline nevus can have any localization. It is more often a single one. Diagnosis is carried out by dermatological examination, dermatoscopy, syascopy. In order to prevent melanoma, removal of…
Superficially spreading melanoma is the most common type of melanoma. It is usually diagnosed at a young and middle age, more often affects the skin of the trunk and lower extremities. In the initial stages, it is an unevenly pigmented spot with clear borders, slightly raised above the skin level. Subsequently, the tumor increases, becomes…
Superficial pyoderma is a group of contagious dermatoses, mainly of coccoid origin, affecting the epidermis and upper layers of the dermis. It is clinically manifested by polymorphic rashes of pustules, nodules, bullae, flicken. The shape of the primary element depends on the type of surface pyoderma. Bubbles quickly open, form erosions, become crusted and regress…
Flat warts is a benign skin formation, which is a flat nodule up to 5 mm in size, slightly rising above the surface of the skin. Disease, as a rule, are multiple and are located in groups on the face, back of the hands, shins. The diagnosis is based on a visual examination of the…
Nevus flammeus is a capillary angiodysplasia that occurs in the embryonic period of intrauterine development. Occasionally, there is an acquired form of nevus associated with injuries, infections, and medication. Disease has the appearance of a bright pink, red or purple spot of different sizes and a bizarre shape. It is mainly located on the face,…
Pyoderma combine purulent-inflammatory skin diseases, the cause of which is a purulent microflora – pyococci, staphylococci and streptococci. About a third of all skin diseases are various pyoderma; primary form occur when healthy skin is affected, and secondary are a complication of diseases in which skin damage due to itching is possible. Disease is complicated…
Pyogenic granuloma is a benign neoplasm of the skin or mucous membranes of vascular nature. Externally, it is a rounded formation (papule) with a diameter of up to 1.5 centimeters of bright red, cherry or black-brown color. The volume of the tumor is filled with small vessels and capillaries surrounded by connective tissue. The surface…
Pilomatrixoma is a tumor of a complex structure, which presumably develops from the cells of the hair matrix. It is a cluster of non-nuclear cells of the squamous epithelium with areas of fibrosis, calcification, ossification. By the nature of growth, as a rule, benign, less often primary malignant. Externally, the pilomatrixoma is a slow–growing dense…
Xeroderma pigmentosum (lenticular melanosis, malignant lentigo, pigmented atrophoderma) is a chronic hereditary disease caused by hypersensitivity of the skin to solar radiation and UV rays. Skin changes are characterized by successive processes of inflammation, hyperpigmentation, atrophy, hyperkeratosis and malignant transformation of skin cells. Most patients have eye damage: conjunctivitis, keratitis and tumors. The diagnosis is…
