The disease is not rare in clinic, but it is often misdiagnosed and patients have to be reoperated on.
该病临床并非少见，但既往易被误诊而遭再次手术。
2
The patients have not found it a problem, apart from a palpable mass in the area of the wound, and the authors have not reoperated on any of these patients.
除了伤口周围可扪及的包块，患者没有任何问题。这些患者均没有再手术（去除移位骨化物）。
3
Methods: 18 cases of residual shunt after VSD repair including 12cases of isolated VSD and 6 cases of Tetralogy of Fallot (TOF) were reoperated and analyzed.