The authors report two patients with isolated unilateral tongue atrophy. Magnetic resonance imaging (MRI) of the brain stem and angio-MRI demonstrated a dolichovertebral artery with an abnormal course compressing the medulla oblongata at the emergence of the hypoglossal rootlets. The semeiological observation of a sectorial and not uniform distribution of atrophy in the half-affected tongue is discussed in relation to the lesional site.
MDCT represents a fundamental diagnostic imaging tool in the anatomical definition of the LA-PV complex, which is characterised by considerable variability. Radiologists must be familiar with the anatomical variants and help the referring interventional electrophysiologist understand their importance.
The authors report a case of double congenital patella, which is a rare finding. This anomaly was studied using radiography, CT and MR. Magnetic resonance imaging has enabled us to make an accurate anatomical evaluation of the double congenital patella.
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