Lumbar subarachnoid-peritoneal shunts are used occasionally in the treatment of communicating hydrocephalus. A 5-year-old girl with meningomyelocele and communicating hydrocephalus developed unilateral ureteral obstruction secondary to extrinsic compression by a nonfunctioning shunt of this type. Progressive hydronephrosis was reversed by excision of the shunt and ureterolysis.
Sullivan MJ, Banowsky LH, Lackner LH. A Urological Complication of Lumbar Subarachnoid Shunt: Ureteral Obstruction by Extrinsic Compression. Am J Dis Child. 1972;123(6):597–598. doi:10.1001/archpedi.1972.02110120121018
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