Success, relapse and failure after intranasal LHRH treatment of cryptorchidism in 55 prepubertal boys

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Abstract
Synthetic LHRH was given intranasally to 55 prepubertal boys with 67 undescended testes. After a 4–5 week period while receiving a daily dose of 1.2 mg complete testicular descent was seen in 24 testes. Follow-up over 6 to 24 months showed relapse in 4 boys who responded successfully to a second trial with LHRH. In boys with insufficient or no response to an initial trial further treatment with LHRH in 11 cases or HCG in 5 cases also was without effect. Surgical correction after unsuccessful LHRH treatment in 32 boys with 35 undescended testes showed anatomical abnormalities in 28 testes, mostly an open processus vaginalis with or without hernia. Because of its simple and painless administration and the absence of unwanted side effects, intranasal LHRH is well-suited as initial treatment of cryptorchidism, particularly in young children.