Allergic vasculitis is an aseptic inflammation of the vascular wall caused by an allergic reaction to the effects of various infectious and toxic factors. The pronounced polymorphism of rashes and variants of the course has led to the fact that many of its forms are isolated as separate diseases, among which there is a global…
Alkaptonuria is a genetically determined metabolic disorder characterized by a congenital deficiency of the homogentizinase enzyme and leading to incomplete cleavage of homogentizic acid, its excretion with urine and deposition of this metabolite in tissues (skin, articular cartilage, tendons, sclera, etc.). Signs of alkaptonuria appear in childhood and include the release of urine rapidly darkening…
Villous tumor of the colon is a benign neoplasm originating from the glandular epithelium of the mucous membrane. It is more often localized in the rectum. Over time, it often undergoes malignant degeneration. It is manifested by a large number of mucous secretions from the rectum. Sometimes the discharge is stained with blood. There may…
Retroperitoneal tumors are a group of malignant and benign neoplasms of mesodermal, neurogenic and embryogenic origin localized in the retroperitoneal space. Characterized by a long asymptomatic course. With large retroperitoneal tumors, dyspeptic disorders, urination disorders, shortness of breath, neurological symptoms and swelling of the lower extremities are observed. With malignant lesions in the late stages,…
Stress and depression are often the companions of a modern person living in a big city with its hustle and chaos. According to statistics, every sixth person on the planet suffers from depression. And oddly enough, in the spring there are even more people with depressed mood. Most often, a bad mood is eaten by…
Taking over-the-counter medications seems harmless to many, because their purchase does not require consultation and a prescription from a doctor. However, sometimes it is possible to combine medications incorrectly, which leads to negative consequences. Experts have named one “couple” that can cause damage to health. If you regularly take antihistamines to treat allergies, you should…
Too many mutations of the Omicron strain allow it to bind to human cells better than other coronavirus strains. This conclusion was reached by scientists from the University of British Columbia. Several mutations of the Omicron variant allow this strain of coronavirus to bind to human cells more effectively than previous versions of the virus.…
Vipoma is a tumor originating from the islet cells of the pancreas. It is usually localized in the tail or in the body of the pancreas, less often located in the area of the sympathetic trunk. More than half of the cases are malignant. It is manifested by massive diarrhea, diffuse abdominal pain, severe disorders…
Warty precancerous of the red border of the lips is a pathological process in the area of the red border of the lips with a high probability of malignant degeneration. It belongs to the group of obligate precancerous diseases, can undergo a malignant transformation within 1-2 months. It is a rounded, lumpy, painless nodule, usually…
Ovarian androblastoma is a rare hormone-producing ovarian tumor. It is diagnosed mainly at a young age. It is manifested by the appearance of acne, the disappearance of menstruation, a change in the figure of the male type, hirsutism, coarsening of the voice and an increase in the clitoris. Less often there is premature isosexual development…