Author Archives: Dr. Li

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About Dr. Li

I am a professional surgeon based in Beijing, China.

Main Symptoms of Meningioma

A meningioma is a slow-growing tumor that forms in the lining covering the brain and spinal cord. Because it creeps along quietly, symptoms often show up only when the tumor pushes on nearby nerves or brain tissue. The exact signs depend on where the tumor sits and how big it gets. The most common complaints are new headaches that don’t feel like your usual ones—steady, dull, and often worse in the morning. Vision may blur or double; you might notice frequent bumps into door frames because your side vision is fading. Hearing changes, ringing in one ear, or feeling off-balance... Learn more

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  1. Main Symptoms of Cerebral Thrombosis
  2. Main Symptoms of Cerebral Infarction
  3. Main Symptoms of Cerebral Hemorrhage
  4. Main Symptoms of Brachial Plexus Injury
  5. Main Symptoms of Moyamoya Disease
  6. What Are the Symptoms of Subdural Hematoma

Main Symptoms of Cerebral Hemorrhage

A cerebral hemorrhage—often called a “bleeding stroke”—happens when a blood vessel in the brain bursts and spills blood into the surrounding tissue. Brain cells are damaged by the pressure of the clot and by the loss of normal blood flow. Symptoms usually start without warning and get worse within minutes to hours. The classic first sign is a sudden, severe headache that most people describe as the worst they have ever felt. Nausea and vomiting often follow. Weakness or numbness on one side of the body is common: the face may droop, the arm may drift downward, or the leg... Learn more

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  5. What Are the Symptoms of Subdural Hematoma
  6. Main Symptoms of Brachial Plexus Injury

Main Symptoms of Moyamoya Disease

Moyamoya disease is a rare condition in which the large arteries at the base of the brain slowly narrow, forcing tiny backup vessels to develop. These smaller vessels look like a “puff of smoke” on imaging, but they cannot carry enough blood, so the brain is starved of oxygen. Symptoms often start in childhood or early adulthood and can build up gradually or appear suddenly. The earliest warning is usually repeated transient ischemic attacks (TIAs)—brief episodes of weakness, numbness, or trouble speaking that resolve within minutes to hours. Children may complain of a sudden weak arm or leg, slurred speech,... Learn more

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  5. Main Symptoms of Brachial Plexus Injury
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Main Symptoms of Brachial Plexus Injury

A brachial plexus injury is damage to the bundle of nerves that travel from the neck into the arm. These nerves control shoulder, elbow, wrist, and hand movement, so even a mild stretch can cause noticeable problems. Symptoms depend on where and how badly the nerves are pulled, torn, or compressed. The most common first sign is sudden weakness or a “dead” feeling in the arm right after an accident—like a car crash, football tackle, or hard fall. The arm may hang limp at the side, and lifting the shoulder or bending the elbow feels impossible. Sharp burning pain often... Learn more

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Main Symptoms of Cerebral Infarction

Cerebral infarction is the medical name for what most people call an “ischemic stroke.” It happens when a clot or other blockage shuts off blood flow to part of the brain. The signs can pop up without warning and usually reach their worst within minutes to a few hours. The classic warning is sudden weakness or numbness on one side of the body. One side of the face may droop, the arm may drift downward, or the leg may feel heavy or “dead.” Speech often becomes slurred or garbled; some people can’t find the right words or understand simple sentences.... Learn more

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