Diagnosing Cranial Arteritis (Temporal Arteritis)
Cranial arteritis is an autoimmune disease that causes inflammation of blood vessels in the head, neck, and upper body. Cranial arteritis may also be called giant cell arteritis or temporal arteritis. To diagnose cranial arteritis, doctors may perform several examinations, screening tests, and procedures. Healthcare providers involved in diagnosing cranial arteritis may include rheumatologists (specialists in inflammatory conditions), neurologists (specialists in the nervous system), and ophthalmologists (eye specialists). Here are some common examinations, tests, and procedures used to diagnose cranial arteritis:
- Medical History: The doctor will start by taking a person's medical history. This helps provide important information about their symptoms and overall health.
- Physical Examination: A physical examination is conducted to assess the symptoms of cranial arteritis. The doctor may look for specific signs such as tenderness or swelling in the temples or scalp, changes in vision, or a decreased pulse in the temporal arteries.
- Blood Tests: Blood tests can help confirm a diagnosis of cranial arteritis. Doctors may check for elevated levels of markers such as erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP). These markers are often increased in people with inflammation.
- Biopsy: A biopsy is a procedure where a small sample of tissue is taken from a blood vessel, usually from the temple area. This sample is then examined under a microscope to look for signs of inflammation characteristic of cranial arteritis.
Additional examinations, tests, or procedures may be done based on initial findings or individual factors. These include:
- Imaging Tests: Imaging techniques such as computed tomography (CT) scans or magnetic resonance imaging (MRI) scans can help visualize blood vessels and detect any abnormalities or inflammation associated with cranial arteritis.
- Doppler Ultrasound: This non-invasive test uses sound waves to evaluate blood flow through the arteries. It can help identify any narrowing or blockages in the blood vessels supplying the head and neck.
- Angiography: In some cases, angiography may be performed to obtain detailed images of blood vessels. This procedure involves injecting a contrast dye into the blood vessels to make them more visible on X-rays.
It's important to note that these diagnostic procedures should always be discussed with a healthcare professional. They have the expertise to interpret results accurately and guide appropriate treatment options.