1986 年 34 巻 3 号 p. 893-896
A 36-year-old man suffered an injury in the back in an automobile accident in March, 1984. A month thereafter, he complained of numbness in the chest and was admitted in July, 1984. Neurological evaluation revealed hyperreflexias in bilateral lower-limbs.
There was hypesthesia distal to the level of T-4.
A myelogram showed a block in the region of C-7 through T-2. A laminectomy was performed and the dura was opened. A cyst, 5cm in length and 1cm in width, was found anterior to the cord and removed. Histologically, the cyst wall was lined with colmnar epithelium of intestinal type and PAS staining was positive. After operation, he was discharged with relief of symptoms.