Glial choristoma of the tongue: report of a case and review of the literature
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Glial choristoma of the tongue is an extremely rare developmental malformation. The authors report a case of a 5-month-old male baby with a congenital glial choristoma located on the posterior part of midline of the left dorsal tongue. Histological examination of the resected specimen revealed a poorly demarcated submucosal mass containing neuroglial tissue, scattered neuron, choroids plexus and ependyma. In addition to neuroglial tissue, a sheet of leptomeningeal tissue was observed more rarely in the case. The clinical and pathological characteristics of previous cases and their probable embryogenesis were also reviewed.
KeywordsTongue tumor Glial choristoma Heterotopic glial tissue
Research was supported by grants from Hunan Provincial Natural Science Foundation of China (06JJ20013).
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