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Doctor insights on: Dermatome

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How can dermatomes be used in diagnosis of the location of a spinal injury?

How can dermatomes be used in diagnosis of the location of a spinal injury?

Yes: Dermatomes are maps of the skin based on study of many people. Based on where the skin is numb or sensitive or has abnormal feeling, a physician can tell which nerves or part of the spinal cord are affected. People do vary in what part of the body is supplied by which spinal nerve root, but a trained physician or health care provider can come close. Imaging like MRI can confirm the location. ...Read more

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What is the difference between dermatome and peripheral nerve innervations? Which of them carry pain and temperature sensations?

What is the difference between dermatome and peripheral nerve innervations? Which of them carry pain and temperature sensations?

Definitions overlap: A dermatome is an area of skin supplied by sensory neurons that arise from a single spinal nerve ganglion (from a single dorsal root). A peripheral nerve field refers to an area of skin innervated by a single nerve. An area innervated by a single dorsal root is called a dermatome. Both can sense pain and temperature. ...Read more

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I've total numbness on the right side of chest to back dermoatome t4-t9. Along T4 can be really painful when agitated. Upper right leg now also day11?

I've total numbness on the right side of chest to back dermoatome t4-t9. Along T4 can be really painful when agitated. Upper right leg now also day11?

Chest numbness: You need to see a doctor for a full neurological exam. The symptoms you are reporting are quite unusual and suggest a significant abnormality of the spine. You need to get it checked out to understand what's happening. I would recommend not waiting until it got worse. ...Read more

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If a nerve is pinched can skin of the dermatome shed off? or be dry? or scablike only following the dermatome?

If a nerve is pinched can skin of the dermatome shed off? or be dry? or scablike only following the dermatome?

Not usually: You may well be suffering from Shingles. Are the lesions painful now? Talk to your doctor to see if something can be done about it. ...Read more

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What is the difference between dermatome and the center of the tendon jerk?

What is the difference between dermatome and the center of the tendon jerk?

Not sure...: Not sure i understand your question, but "dermatome" refers to the cutaneous distribution of sensation for a given nerve. I am not familiar with the term "center of the tendon jerk." deep tendon reflexes evaluate a muscle's ability to sense a stimulus and react to it via contraction. ...Read more

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How can dermatomes be used in diagnosis of the location of a spinal injury?

Yes: Dermatomes are maps of the skin based on study of many people. Based on where the skin is numb or sensitive or has abnormal feeling, a physician can tell which nerves or part of the spinal cord are affected. People do vary in what part of the body is supplied by which spinal nerve root, but a trained physician or health care provider can come close. Imaging like MRI can confirm the location. ...Read more

See 1 more doctor answer
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What is the difference between dermatome and peripheral nerve innervations? Which of them carry pain and temperature sensations?

Definitions overlap: A dermatome is an area of skin supplied by sensory neurons that arise from a single spinal nerve ganglion (from a single dorsal root). A peripheral nerve field refers to an area of skin innervated by a single nerve. An area innervated by a single dorsal root is called a dermatome. Both can sense pain and temperature. ...Read more