Low-density image refers to the local gray or dark phenomenon found through clinical imaging, which is an abnormal phenomenon.
1. Low-density image of brain: If low-density image is found in brain imaging, it is necessary to be vigilant that it is caused by cerebral hemorrhage, cerebral infarction, cerebral thrombosis and other diseases. Usually, patients with cerebrovascular diseases will have headache, dizziness, nausea and vomiting, numbness of limbs and other uncomfortable symptoms.
2. Low-density image of liver: the examiner needs to be alert to the fact that it is caused by liver cysts, hepatic hemangioma, hepatocellular carcinoma and other diseases. When there are lesions in the liver, patients will have symptoms such as pain in the liver area, yellow staining of the skin and mucous membranes, and loss of appetite.
3. Pelvic low-density image: be alert to pelvic fluid, adnexal cysts and other causes, and some women need to consider the physiological cycle. Usually pelvic lesions are prone to lumbosacral pain, increased vaginal discharge or menstrual abnormalities.
The significance of hypodense images varies from site to site. When low-density images are present, the patient needs to undergo further detailed examination in order to clarify the disease and then follow the doctor’s instructions for treatment to promote the recovery of the body’s health.