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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.
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Michael J. Sullivan (1972) studied this question.
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