急性脊髄炎によると思われた若年者尿閉

A CASE OF URINARY RETENTION IN A JUVENILE PATIENT DUE TO ACUTE MYELORADICULITIS

　15歳男性。発熱，頭痛といった先行感染の後，突発的な尿閉を呈したため，当科受診。尿路に器質的通過障害なく，膀胱内圧測定にて低緊張性膀胱を示した。神経学的には大腿内側部の軽度知覚異常を認め，頭部CT，脊髄MRIなどの画像所見上，異常所見は認めなかった。以上の所見より，急性脊髄炎による尿閉と考え，ステロイドおよびガンマグロブリン製剤の投与を施行した。

A 15 year-old man was admitted to our hospital because of the acute urinary retention. Before admission he had had the sign of viral infection, fever and headache. There were few abnormal findings on urological examinations, and cystoscopic examination and cystogram did not reveal any mechanical disorders on his lower urinary tract, however, voiding was impossible. Neurologically he complained of only pruritus of bilateral medial femoral region. A cranial CT and MRI of spinal cord showed no abnormal lesion. Cystometrogram demonstrated hypotonic bladder.