Parkinson, a progressive neurological condition, has challenged doctors and patients for their precise diagnosis. In an interview with Dr. Roberto Kalil in the program CNN Vital Signs Professor Egberto Reis Barbosa, head of the disturbance outpatient clinic of the University of São Paulo School of Medicine (FMUSP), clarified crucial aspects of how the diagnosis is made.
Barbosa emphasized that while there are exams that help in the process, Parkinson’s diagnosis is essentially clinical. “There is no diagnostic examination,” said the expert, explaining that available tests are mainly used to “see, show the loss of dopaminergic activity.”
Among the auxiliary exams, the teacher mentioned 3 Tesla magnetic resonance imaging, which may reveal changes in the brain’s black substance. However, he reiterated that these tests are complementary and do not replace careful clinical evaluation.
Symptoms and challenges in the diagnosis
Tremor is often the first sign that leads to Parkinson’s suspicion. However, Barbosa warned that about 20% of patients may not have tremors throughout the disease evolution. In such cases, known as “Aceinetic Rigid Syndrome”, the diagnosis tends to be longer and more complex.
“In these, the diagnosis takes longer to be done. It is more confused with other conditions, sometimes orthopedic, because immobility can bring joint pain in the shoulder,” explained the expert.
This variation in symptoms emphasizes the importance of a comprehensive and careful medical evaluation for an accurate diagnosis of Parkinson.
Was this content originally published on how is the diagnosis of Parkinson? Expert explains to dr. Kalil on the CNN Brazil website.
Source: CNN Brasil
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