Lichen striatus is a dermatological disease of unclear etiology, in which papular rash is observed (the appearance of nodular elements on the skin). A symptom of this condition is rashes in the form of narrow stripes on the limbs and trunk. The rash distribution lines almost always correspond to the location of the nerve trunks.…
Lymphocytoma cutis is a benign chronic dermatosis with a lesion of the lymphoreticular tissue. Clinically manifested by single or multiple polymorphic skin rashes, more often localized on the face. The primary element is a brown nodule the size of a pea with clear borders and a dense consistency. Slow growth and a tendency to self-resolution…
Jessner lymphocytic infiltration of the skin is a rare chronic dermatosis characterized by benign infiltration of the skin by lymphocytes. The disease has a wave-like course, prone to self-resolution. Clinically manifested by a rash on the unchanged skin of flat smooth bluish-pink plaques or papules that merge into foci the size of the palm of…
Lymphomatoid papulosis is a benign disease of the lymphatic system with recurrent polymorphic skin manifestations. Clinically accompanied by papular eruptions of various sizes, which then transform into bulls, open, forming erosions, crusts, scars. The rash can be located on any part of the skin, there are no subjective sensations. The diagnosis is made on the…
Skin lymphoma is a tumor lesion of the skin resulting from the malignant proliferation of lymphocytes in it. Depending on the type of multiplying lymphocytes, T- and B-cell lymphomas are distinguished. The disease is manifested by the formation of nodules, plaques or erythrodermic areas on the skin, which is accompanied by an increase in lymph…
Ligature fistula is a pathological course surrounded by an inflammatory infiltrate in the area of a non–absorbable suture thread, which was used for suturing tissues during various surgical interventions. Prone to recurrent course. It is manifested by the presence of a seal, in the center of which there is a small hole with a scanty…
Livedo is a pathology of the vessels of the skin and subcutaneous tissue, which develops as a result of vasomotor disorders, leads to the development of a transient or persistent spotted reddish–blue or purple reticulated cyanotic pattern. It can be an independent disease or a significant symptom of a number of endocrine, neurological, infectious, autoimmune…
Lentigo is a benign local melanocytic hyperchromia of the skin with possible malignancy. It is manifested by small, often multiple flat formations of brown color with clear boundaries and slow growth. Lentigo is localized in open areas of the skin: face, neck and limbs. There are several variants: simple, youthful, senile, sunny (against the background…
Cutaneous leiomyosarcoma is a rare malignant neoplasm originating from smooth muscle tissue. It is formed from the muscles of the sweat glands or the muscles that lift the hair. It is a blue, red or yellowish single dense plaque, more often located on the limbs, less often on the head, neck or trunk. The surface…
Leukoplakia is a lesion of the mucous membrane, manifested by focal keratinization of the multilayer flat epithelium. The keratin color of the keratinized epithelium causes the white or grayish color of the foci of leukoplakia. The disease occurs on the mucous membrane of the oral cavity, respiratory tract, urine-genital organs, in the anal area. Disease…
