An atypical and severe case of neuralgic amyotrophy

Rui Cadilha, Hugo Amorim, Madalena Pinto, Fernando Silveira, Fernando Parada


Neuralgic Amyotrophy (NA) is an uncommon disorder, of unknown etiology,  typically characterized by abrupt onset of shoulder and upper extremity pain followed by progressive neurologic deficits. An immune/autoimmune process seems to have more support in development of NA. NA is a clinical diagnosis, however, further diagnostic studies can confirm clinical suspicion and help exclude other causes. The treatment consists predominantly in pain control and rehabilitation.

            Patients with NA, can be evaluated by a wide range of clinical specialists in the early stage of disease before a correct diagnosis be made. This is a result of different phenotypes that this disorder exhibits, that complicate the diagnosis.  It is important for clinicians to beware of the classic  clinical manifestations that usually  follow a characteristic clinical course of abrupt onset of shoulder girdle pain followed by progressive neurologic deficits as muscle weakness, amyotrophy and sensory  abnormalities.

            We report the case of a 32-year-old man who had a severe bilateral  and atypical shoulder involvement, that made the most probably diagnostic not so evident.


Neuralgic Amyotrophy; Parsonage-Turner Syndrome; Shoulder Pain; Brachial Plexus



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Revista da Sociedade Portuguesa de Medicina Física e de Reabilitação