polymorphic dermal angiitis

Polymorphic Dermal Angiitis

Polymorphic dermal angiitis (Gougereau-Ruiter’s disease) is a chronic recurrent dermatosis caused by a nonspecific inflammatory process in the walls of skin vessels. It is characterized by a pronounced variety of clinical manifestations: plaques, nodules, skin hemorrhages, blisters, blisters, areas of skin edema, pustules, superficial necrosis, ulcers, scars. The main method of diagnosis is dermatoscopy. Treatment…

poikiloderma

Poikiloderma

Poikiloderma is a collective name for atrophic skin changes of congenital and acquired nature, which are also accompanied by pigmented and vascular disorders. Symptoms of this disease, depending on its causes, may be the development of erythema, atrophic changes, telangiectasia, hyper- and hypopigmentation on a significant or limited area of the body. Diagnosis of poikiloderma…

porphyria cutanea tarda

Porphyria Cutanea Tarda

Porphyria cutanea tarda is a chronic disease characterized by increased formation of porphyrins and their accumulation in the skin. In this form, the skin exposed to sunlight (photosensitization) is affected. Pathology is manifested by hyperpigmentation of skin areas, increased vulnerability, hypertrichosis, the formation of blisters, erosions and ulcers. The diagnosis is made on the basis…

adult acne

Adult Acne

Adult acne — acne rashes that have arisen in adulthood or persist in the patient after 25 years. Their occurrence may be due to an endocrinological malfunction, disorders in the gastrointestinal tract, the use of hormonal drugs, genetic predisposition. Therefore, in the diagnosis, much attention is paid not only to the dermatological examination of rashes, but…

plantar wart

Plantar Wart

Plantar wart is a hard and flat formation on the skin of the foot, slightly rising above its level and covered with a layer of keratinized epithelium. The main method of diagnosing plantar warts is dermatoscopy. The location of the wart on the sole leads to its permanent injury and soreness during walking. For this…

subungual melanoma

Subungual Melanoma

Subungual melanoma is the most common form of acral–lentiginous melanoma, a malignant tumor of the skin of the fingers that develops in the area of the nail bed. The neoplasm in the initial stage has the appearance of a dark brown or black stripe, which occupies most of the nail plate, passes to the roller…

subungual hematoma

Subungual Hematoma

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

Borderline Pigment Nevus

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…