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What Is The Diagnosis And Tests For Knee Problems?

Knee pains are one of the most common knee problems that mainly start in a person in their late adulthood. While some pains can be treated and cured at home with some home remedies, some pains are to be taken to a doctor as they might be a cause of some serious illnesses. 

One should see a doctor when the pain is persistent and does not go away in a few days, any swelling around the knee, warm to touch, redness, discomfort or pain while walking, and fever. Various types of knee pains occur due to different reasons and lead to a specific illness. It is better to see and consult a physician.

Some of the diagnostic tests the physician does in order to look for the cause are as follows.

Physical Test

This is the first method that any doctor will follow to see if the cause can be determined through this test. They will ask the patient a series of questions and then proceed further to check the area of the pain in knee. The procedure includes bending of the knee, moving it in a range of motions, evaluating for any swelling or tenderness, and the stability of ligaments. Based on the results of this test, the doctor might further ask for a few tests accordingly.

Radiological Test

X-Ray: An X-ray test may be asked for as the test helps to detect any fractures (broken bones) or degeneration of the knee. Further, even abnormalities such as small or large joint spaces and arthritis can be identified.

CT Scan: This is not generally prescribed. However, a CT Scan of the knee helps to measure the fracture or a deformity in the knee accurately.

Both the aforementioned tests, that is, the X-Ray and CT Scan, are great tests if the doctor is looking for any fractures. On the contrary, these tests may not help to evaluate soft tissue structures of the knee such as tendons, ligaments, and the menisci.

MRI: An MRI (Magnetic Resonance Imaging) test help evaluate ligaments and tendons, but cannot detect fractures.


 Blood Test

If the doctor suspects any severe disorders such as arthritis, gout, or other serious medical conditions, then they will order for blood tests to help narrow down the cause.


This test is done by withdrawing a small quantity of fluid from the knee joint. The process is done by inserting a small needle into the joint and the fluid is removed. The method is carried out in a sterile manner, and the sample is sent to the lab for testing after withdrawing. The test is beneficial for detecting any infections in the knee joint or to confirm suspicions of gout and different form of arthritis. If the blood has pooled in the joint due to an injury, removing the fluid might help relieve the pain.

What Are The Treatments Available For Knee Problems?

The treatment of knee problems varies with the conditions for the cause of the pains.


Medicines help treat an underlying cause and also acute knee pains. However, if you are frequently taking over-the-counter medicines, it is best to consult a doctor first.

Physical Therapy:

Physical therapy helps in treating knee pains to a great extent and also give relief to the patient. Also, the treatment helps improve motions and makes the knee more stable. It also helps avoid further injuries or problems in the area of injury.


Injections are directly put in the knee to relieve the pain. Corticosteroids and lubricants are the two most common injections that help arthritis, other inflammations, movement, and pain respectively.  

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