繼發(fā)于上神經(jīng)核團病變的肥大性下橄欖核變性的影像學(xué)表現(xiàn)-附6例報告并復(fù)習(xí)文獻及探討病理機制
[Abstract]:Objective to investigate the relationship between imaging signs and pathological mechanism of hypertrophic olivary degeneration (hypertrophic olivary degenerationhod) in order to improve the understanding and diagnosis of the disease. Methods the clinical features and MRI findings of 6 cases of hypertrophic hypoolivary degeneration confirmed by clinical and imaging were retrospectively analyzed. The clinical features, imaging features and pathological mechanism of HOD were reviewed. Results one case was located in the unilateral pons tegmental tract and the contralateral dentate nucleus / superior cerebellar foot, 2 cases of the ipsilateral HODN were located in the unilateral pons tegmental tract, 2 cases caused ipsilateral HOD2 involving bilateral pontine tegmental tract. Among them, one case caused bilateral hypoderma, one case caused unilateral hypoderma, and one case caused primary lesion involving unilateral superior cerebellar foot. The MRI of bilateral HOD.6 cases showed that the local volume of ventrolateral medulla was increased in both T _ 2WI and FLAIR, and the signal intensity was slightly high on T _ 1WI in 5 cases. The signal intensity was slightly higher in 1 case. Conclusion hypertrophic olivary degeneration is characterized by its clinical manifestations, location and imaging findings, and can be diagnosed by combining with its upstream primary changes.
【作者單位】: 中山大學(xué)附屬第一醫(yī)院放射科;中山大學(xué)附屬第一醫(yī)院神經(jīng)外科;
【分類號】:R445.2;R741
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