Skin itching symptoms of malignant tumor?

summary

According to the observation of medical circles at home and abroad, itching is closely related to visceral malignant tumor. According to foreign medical literature, itching is closely related to visceral malignant tumor. At present, the reason is unknown. Experts speculate that the tumor cells may produce histamine, proteolytic enzymes and other bioactive substances. After these substances reach the skin with blood circulation, they stimulate the sensory nerve endings of the skin and cause different degrees of skin pruritus, especially in the early stage of onset, which is a precursor of cancer. Skin itching symptoms of malignant tumor? Let's talk about it

Skin itching symptoms of malignant tumor?

Some malignant tumors are accompanied by skin lesions in the process of occurrence and development. And some skin abnormalities, such as itching, erythema, blackening, thickening and so on, can even be the early signal of cancer. It has been found that 50% of the patients with rectal tumor can cause pruritus; Among the patients suffering from genital tumor, 25% of them can cause itchy skin near the genitals; Of the 15 cancer patients, three had itching in the months prior to the occurrence of the tumor, and one had itching in the four years prior to the discovery of the tumor. According to statistics, all kinds of leukemia, lung cancer, esophageal cancer have generalized skin itching or itching. We should be more careful when we find itchy nose.

Systemic pruritus is often associated with some systemic diseases, such as diabetes, uremia, hepatobiliary diseases, visceral tumors, blood diseases, thyroid diseases, allergic diseases, intestinal parasites, habitual constipation, irregular menstruation, pregnancy and mental anxiety, neurological diseases, etc.

Hodgkin's disease is characterized by itching, sometimes accompanied by fever and burning sensation. Localized pruritus may sometimes indicate the presence of tumors in the adjacent parts: for example, pruritus in the vulva is common in cervical cancer, pruritus in the perianal region indicates colorectal cancer, pruritus in the nostril wall may have brain tumors. However, the severity and duration of pruritus were not related to tumor.

matters needing attention

When suffering from skin diseases, don't be nervous and anxious, and don't listen to advertisements and apply medicine indiscriminately. We should go to the dermatology department of the regular large hospital in time, cooperate with the doctor to complete the necessary examination, diagnosis and treatment plan, and strive to eradicate the skin diseases and the internal diseases that may exist at the same time.