Left-Sided Numbness and Pain: Possible Neurological Issues - Neurology

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Numbness in the left scalp, along with numbness and pain in the left shoulder and arm..?


In the past two years, I have occasionally experienced a tingling sensation on the left side of my scalp, similar to the feeling one gets when overly emotional, excited, or exhilarated.
However, I have noticed that the frequency of these episodes has been increasing recently.
Additionally, the numbness extends to my left cheek, and I have been experiencing prolonged nasal congestion.
My left shoulder often feels sore, and recently, my left arm has been slightly swollen and painful, with a sensation akin to warmth in the blood vessels, accompanied by some numbness and weakness.
This is especially severe at night; I often wake up due to pain in my wrist and shoulder while lying down, and I find my wrist bent inward and my arms crossed over my chest upon waking.

I have had polio since childhood, which has led to prolonged periods of sitting.
Coupled with long hours of computer work, I wonder if this is related to my symptoms or if they could be a precursor to a stroke.
My right calf also becomes numb after sitting for too long, and due to muscle atrophy in my lower limbs, I often sit cross-legged.
My right hip joint also frequently hurts.
I had surgery for scoliosis over a decade ago, and recently, I underwent X-rays of my cervical spine due to discomfort.
The doctor mentioned there were no significant issues, but my spine is too straight and lacks flexibility.
I am unsure if this is related to the soreness in my shoulder and the numbness in my scalp.

Shen Ling, 30~39 year old female. Ask Date: 2011/11/10

Dr. Lan Shengxing reply Neurology


Hello, Xinling.
The symptoms you described below the shoulder are more indicative of peripheral nerve or nerve root pathology, which can be quite complex.
More information is needed to clarify the situation.
Prolonged computer use and sitting for long periods are already detrimental to the shoulder and neck.
If possible, please try to exercise more.

Reply Date: 2011/11/10

More Info


The symptoms you are experiencing, including left-sided numbness, facial tingling, shoulder pain, and discomfort in your left arm, are concerning and warrant careful consideration. Given your medical history of polio and previous spinal surgery, it is essential to approach this situation with a comprehensive understanding of potential neurological issues.

Firstly, the left-sided numbness and tingling sensations you describe could be indicative of several underlying conditions. These symptoms may suggest a neurological issue, particularly involving the central nervous system (CNS) or peripheral nerves. The fact that you have experienced these symptoms intermittently over the past two years, with an increase in frequency, raises the possibility of a progressive condition that may require further evaluation.

One potential cause of your symptoms could be related to cervical spine issues. Although your recent X-ray indicated no significant abnormalities, the straightening of the cervical spine can lead to reduced flexibility and may contribute to nerve compression. This compression can result in symptoms such as numbness, tingling, and pain radiating down the arm. Additionally, your history of scoliosis and previous spinal surgery may predispose you to nerve-related issues, particularly if there is any residual structural abnormality.

Another consideration is the possibility of thoracic outlet syndrome, which occurs when blood vessels or nerves in the space between your collarbone and your first rib become compressed. This condition can lead to symptoms similar to what you are experiencing, including shoulder pain, arm numbness, and tingling sensations. Given your long hours of computer work and poor posture, this could exacerbate the problem.

Furthermore, the sensation of your wrist curling inward while sleeping and the numbness in your legs may suggest a condition known as carpal tunnel syndrome, where the median nerve is compressed at the wrist. This condition can lead to symptoms of numbness, tingling, and weakness in the hand and arm, particularly during activities that involve repetitive wrist movements or prolonged pressure on the wrist.

It is also crucial to consider the possibility of vascular issues, especially since you mentioned a sensation of heat and pulsing in your left arm. Conditions such as thoracic outlet syndrome can also affect blood flow, leading to sensations of warmth or heaviness in the affected limb.

Given the complexity of your symptoms and your medical history, it is highly advisable to seek a thorough evaluation from a neurologist or an orthopedic specialist. They may recommend additional imaging studies, such as an MRI of the cervical spine, to assess for any nerve compression or other abnormalities that may not have been visible on the X-ray. A comprehensive neurological examination will also help determine if there are any signs of central nervous system involvement, such as signs of a stroke or transient ischemic attack (TIA).

In the meantime, consider making ergonomic adjustments to your workspace to reduce strain on your neck and shoulders. Regular breaks to stretch and change positions can also help alleviate some discomfort. Physical therapy may be beneficial in improving your posture and strengthening the muscles around your spine, which could help reduce symptoms.

In conclusion, while your symptoms may not necessarily indicate a stroke, they do suggest the need for further evaluation to rule out any serious underlying conditions. Prompt medical attention is essential to address your concerns and develop an appropriate treatment plan tailored to your needs.

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