(3) Motor dysfunctions--a wide range of abnormal movements are frequently observed, for example orofacial dyskinesias, chorea, ballismus, athetosis, rigidity, stereotyped movements, myorhythmia
, or opisthotonus [2, 6, 53, 54].
Besides arthritis, other extraintestinal symptoms might occur, like pulmonary hypertension, congestive heart failure, "culture-negative" endocarditis, polyserositis (pericarditis, pleural effusion, and ascites), metabolic bone disease, cognitive disorders (including dementia) and neurological signs (cerebellar ataxia, oculomasticatory myorhythmia
, oculofacial-skeletal myorhythmia
, and others) [3, 23-35].