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How is Primary Familial Brain Calcification diagnosed?

See how Primary Familial Brain Calcification is diagnosed. Which specialists are essential to meet, what tests are needed and other useful information for the diagnosis of Primary Familial Brain Calcification

Primary Familial Brain Calcification diagnosis

Diagnosis of Primary Familial Brain Calcification


Primary Familial Brain Calcification (PFBC), also known as Fahr's disease, is a rare genetic disorder characterized by the abnormal accumulation of calcium deposits in the brain. Diagnosing PFBC can be challenging as its symptoms can vary widely and mimic other neurological conditions. However, a combination of clinical evaluation, imaging studies, and genetic testing can help in reaching an accurate diagnosis.



Clinical Evaluation: The first step in diagnosing PFBC involves a thorough clinical evaluation by a neurologist or a specialist in movement disorders. The doctor will review the patient's medical history, assess their symptoms, and conduct a physical examination. They will look for signs such as movement abnormalities, cognitive impairment, psychiatric symptoms, and neurological deficits.



Imaging Studies: Imaging techniques play a crucial role in the diagnosis of PFBC. A brain CT scan or MRI is typically performed to visualize the presence of calcium deposits in specific brain regions. These scans can help identify the characteristic bilateral and symmetric calcifications in the basal ganglia, thalamus, and other areas of the brain. The pattern and extent of calcifications can aid in distinguishing PFBC from other conditions.



Genetic Testing: Genetic testing is essential to confirm the diagnosis of PFBC and identify the specific genetic mutations involved. Mutations in several genes, including SLC20A2, PDGFB, PDGFRB, and XPR1, have been associated with PFBC. Genetic testing can be done through a blood sample, and it helps in ruling out other conditions with similar symptoms.



Differential Diagnosis: PFBC shares symptoms with various neurological disorders, such as Parkinson's disease, Huntington's disease, and multiple sclerosis. The diagnostic process involves ruling out these conditions through a combination of clinical evaluation, imaging studies, and genetic testing.



It is important to note that the diagnosis of PFBC requires a multidisciplinary approach involving neurologists, radiologists, and geneticists. The combination of clinical evaluation, imaging studies, and genetic testing is crucial in accurately diagnosing PFBC and differentiating it from other neurological conditions.


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