From January 1988 to January 1996, 42 infants and children (44 renal units) had undergone surgical management to correct ureteropelvic junction obstruction. Median patient age was 8.5 years (range from 2 months to 17 years) and 11 patients were less than 1 year old at operation. Of 44 renal units surgically managed, 30 were on the left side and 10 were right side. 2 patients had undergone bilateral surgical management. Presenting symptoms were febrile urinary tract infection in 14 cases, abdominal pain in 14 cases, abdominal mass in 5 cases, gross hematuria in 3 cases and 3 cases were detected prenatally. We used imaging antegrade pyelography (AGP) in 15 cases, additional retrograde pyelography (RGP) in 12 cases and both AGP and RGP were performed in 1 case. To correct ureteropelvic junction obstruction, we performed dismembered pyeloplasty in 33 renal units, ureterolysis in 2 renal units, ureterocalycostomy in 1 renal unit, endopyelotomy in 1 renal unit and nephrectomy in 7 renal units. To diverge the urinary flow, we used nephrostomy in 19 renal units, ureteral stenting in 6 renal units and both nephrostomy and ureteral stenting were used in 10 renal units. As postoperative complications, restenosis was developed in 5 renal units, delayed open in 5 renal units, urinary tract infection in 2 renal units and wound infection, prolonged urine leakage, ureteral stone in each 1 renal unit. Postoperative success rate in followed-up patients, who had undergone pyeloplasty, was 91.6%. The success rate in children, who was less than 1 year old, was 100% and in children, who was more than 1 year old, was 88.4%. Finally we suggest that the surgical correction is safe and proper method for ureteropelvic junction obstruction in children. Additionally early operation of ureteropelvic junction obstruction is recommendable.
Abdominal Pain ; Child* ; Hematuria ; Humans ; Infant ; Nephrectomy ; Postoperative Complications ; Stents ; Ureter ; Urinary Tract Infections ; Urography ; Wound Infection

We present a case of 15 months old male with Multilocular cystic nephroma (MLCN) which contains fibroblast, smooth muscles, skeletal muscles and well differentiated tubular structure in the septa without evidence of blastemal or embryonal elements. There is no evidence of metastasis and local recurrence after post-op 2 years.
Child* ; Fibroblasts ; Humans ; Infant ; Male ; Muscle, Skeletal ; Muscle, Smooth ; Neoplasm Metastasis ; Recurrence

Proper management of childhood and adolescent varicocele remains still controversial. In general, all methods for varicocele ablation for adults are available and include open surgical ligation, laparoscopic ligation, or percutaneous ablation. We evaluated the usefulness of percutaneous embolization of internal spermatic vein in boys with varicocele. Between February 1988 to May 1996, 48 boys of 53 varicoceles underwent percut aneous embolization. In 49 cases, the embolization were technically possible and in the other 4 cases, we could not access the internal spermatic vein because of vasospasm and venous abnormality. The results were successful in 40 cases (81.6%) and failed in 9 cases (18.4%), including 4 (8.2%) of persistent and 5 (10.2%) of recurred cases. There were no major complications except 3 cases of extravasation of contrast material. Percutaneous embolization may be recommended as a primary treatment for childhood and adolescent varicocele.
Adolescent* ; Adult ; Humans ; Ligation ; Varicocele* ; Veins*

PURPOSE: To evaluate the hemodynamic status of varicocele, 99m Tc-RBC venography was performed in 29 varicocele patients and 10 normal controls from January to July 1996. MATERIALS AND METHODS: The mean age of varicocele patients was 23 years old and of normal controls was 27 years old. Among 29 varicocele patients, 26 had varicocele in left side and 3 had in both side. In unilateral varicocele group. 2 cases had grade I, 8 cases had grade II and 16 cases had grade III varicocele. In bilateral varicocele group, all had grade III in le% side and grade II varicocele in right side. RESULTS: The mean+/-SD of left to right radionuclide uptake ratio in pampiniform plexus during resting and Valsalva maneuver state was 1.01 +/-0.04:1 and 1.05+/-0.05:1 in normal control, 1.05+/-0.02:1 and 1.10:1 in varicocle grade I, 1.21+/-0.19:1 and 1.21 +/-0.12:1 in varicocele glade II, 1.60+/-0.63:1 and 1.27+/-0.18:1 in varicocele grade III, 1 18+/-0.06:1 and 1.26 in bilateral varicocele. As varicocele grade be higher, the mean left to right radionuclide uptake ratio be larger during resting and Valsalva maneuver state. CONCLUSIONS: 99mTc-RBC venography can quantify the hemodynamic state of varicocele so we suggest that it is useful as a method of diagnosis and follow up in varicocele patient.
Adult ; Diagnosis ; Follow-Up Studies ; Hemodynamics* ; Humans ; Phlebography* ; Valsalva Maneuver ; Varicocele* ; Young Adult

We report two cases of mucocele of the frontal sinus presenting with exophthalmos and diplopia. Total removal involved the transfrontal approach and neurological deficits were eliminated. Details of clinical manifestations are presented, and a review of the literature is included.
Diplopia ; Exophthalmos ; Frontal Sinus* ; Mucocele*

We report two cases of mucocele of the frontal sinus presenting with exophthalmos and diplopia. Total removal involved the transfrontal approach and neurological deficits were eliminated. Details of clinical manifestations are presented, and a review of the literature is included.
Diplopia ; Exophthalmos ; Frontal Sinus* ; Mucocele*

BACKGROUND AND OBJECTIVES: The pathological findings of Non-Q wave myocardial infarction(NQMI) on ECG did not always correspond to subendocardial infarction(SEMI). The purpose of this study was to evaluate the diagnostic validity of ECG for SEMI by myocardial contrast echocardiography (MCE) in the patients with acute myocardial infarction(AMI). MATERIALS AND METHODS: The study population was 84 patients who underwent MCE under the diagnosis of AMI. MCE was performed by intracoronary injection of sonicated Hexabrix into the infarct related artery and SEMI was diagnosed by inspecting endocardial defect with epicardial enhancement on MCE. RESULTS: (1) Among 19 NQMI cases, 7 cases showed SEMI with MCE score 0.5, 11 cases with score 1, and 1 case with score 0. Among 65 Q-wave MI(QMI) cases, only 5 cases showed SEMI. (2) 7 cases who had NQMI with SEMI showed LV wall motion recovery at follow-up echocardiography except 1 case. Whereas, of 5 QMI cases who had SEMI, only 1 case improve LV wall motion. CONCLUSION: NQMI on ECG does not always imply SEMI on MCE, but the absence of pathologic Q wave in the patients with SEMI is thought to be a predictive factor of the recovery of LV wall motion.
Arteries ; Diagnosis ; Echocardiography* ; Electrocardiography* ; Follow-Up Studies ; Humans ; Infarction* ; Ioxaglic Acid

BACKGROUND AND OBJECTIVES: The pathological findings of Non-Q wave myocardial infarction(NQMI) on ECG did not always correspond to subendocardial infarction(SEMI). The purpose of this study was to evaluate the diagnostic validity of ECG for SEMI by myocardial contrast echocardiography (MCE) in the patients with acute myocardial infarction(AMI). MATERIALS AND METHODS: The study population was 84 patients who underwent MCE under the diagnosis of AMI. MCE was performed by intracoronary injection of sonicated Hexabrix into the infarct related artery and SEMI was diagnosed by inspecting endocardial defect with epicardial enhancement on MCE. RESULTS: (1) Among 19 NQMI cases, 7 cases showed SEMI with MCE score 0.5, 11 cases with score 1, and 1 case with score 0. Among 65 Q-wave MI(QMI) cases, only 5 cases showed SEMI. (2) 7 cases who had NQMI with SEMI showed LV wall motion recovery at follow-up echocardiography except 1 case. Whereas, of 5 QMI cases who had SEMI, only 1 case improve LV wall motion. CONCLUSION: NQMI on ECG does not always imply SEMI on MCE, but the absence of pathologic Q wave in the patients with SEMI is thought to be a predictive factor of the recovery of LV wall motion.
Arteries ; Diagnosis ; Echocardiography* ; Electrocardiography* ; Follow-Up Studies ; Humans ; Infarction* ; Ioxaglic Acid

BACKGROUND AND OBJECTIVES: Dilated cardiomyopathy(DCMP) is a primary myocardial disease of unknown cause characterized by left ventricular or biventricular dilatation and impaired myocardial contractility. In 1973, Kreulen et al. classified DCMP into two groups-one with generalized hypokinesia and the other with regional asynergy in addition to generalized hypokinesia. Diminished coronary flow reserve has been reported in DCMP with generalized hypokinesia but its mechanism remains obscure. The aim of this study was to investigate the relationship between the degree of microvascular dysfunction and the difference of regional wall motion abnormality in DCMP with regional asynergy. METHODS: The subjects of this study were 11 patients (M:F=:5, mean age:60 15yrs) a diagnosis of DCMP with regional asynergy, normal sinus rhythm without left bundle branch block and normal coronary angiogram who underwent Doppler wire from September 1997 to December 1999. Left ventricle was divided into three territories according to the coronary arterial distribution by echocardiography(A: coronary artery territory showing regional asynergy, I: coronary artery territory showing intermediate wall motion, P: coronary artery territory showing relatively preserved wall motion). Coronary flow reserve(CFR) was measured at the mid portion of left anterior descending artery(LAD), left circumflex artery(LCX) and right coronary artery(RCA) with 0.014 inch Doppler guide wire before and during intracoronary injection of 12-18 of adenosine. Relative coronary flow reserve(rCFR) was obtained by the ratio of the CFR in coronary artery of the territory showing regional asynergy and relatively preserved wall motion to the CFR in coronary artery of the territory showing intermediate wall motion (CFRA/CFRI, CFRP/CFRI). RESULTS: Regional asynergy was observed in LAD territory in 4(36%) patients, LCX territory in 4(36%) patients, RCA territory in 3(28%) patients (p=s). The mean CFR was 2.5 0.6 in LAD, 2.4 0.5 in LCX, 2.4 0.6 in RCA(p=s). The mean CFR and rCFR in coronary arteries showing regional asynergy were significantly lower than those in coronary arteries showing relatively preserved wall motion(2.1 0.5 vs 2.7 0.6, p<0.05, 0.84 0.12 vs 1.11 0.11, p<0.001). CONCLUSION: Degree of regional hypokinesia in DCMP with regional asynergy seems to be associated with that of microvascular dysfunction.
Adenosine ; Bundle-Branch Block ; Cardiomyopathies ; Cardiomyopathy, Dilated* ; Coronary Vessels ; Deoxycytidine Monophosphate ; Diagnosis ; Dilatation ; Heart Ventricles ; Humans ; Hypokinesia*

BACKGROUND AND OBJECTIVES: As lack of myocardial perfusion was demonstrated Microvascular function after reperfusion of infarct related artery (IRA) can be changed in convalescent stage for several possible mechanisms such as hyperemia and microvascular stunning. Therefore, myocardial contrast echocardiography (MCE) performed early stage after reperfusion of IRA may cause over or underestimation of the extent of myocardial necrosis. The aims of the study were to demonstrate the temporal changes of myocardial perfusion after revascularization of IRA and to explore the association of late changes of myocardial capillary flow with contractile recovery. METHODS: MCE was performed 5-7days after the attack of acute myocardial infarction (AMI) in 21 patients (M:F=17:4, age: 58+/-12yrs) who underwent successful reperfusion of IRA. MCE was graded by semiquantitative score (0: no opacification, 0.5: partial opacification, 1: homogenous opacification) by 16 segment model. Every patient underwent 1-2months follow up 2D echocardiography and MCE. Improvement of wall motion score more than 1 at follow up was considered to have contractile recovery. RESULTS: Thirty-one of 71 initially akinetic segments were scored as 1, 30 segments as 0.5 and 10 segments as 0 after attempted reperfusion. Twelve of 30 segments with score of 0.5 and 5 of 10 segments with score of 0 showed late improvement of MCE score to 1 and 0.5. Only 1 of 30 segments with score of 0.5 got worse to score of 0. Every segment with late improvement from 0.5 to 1 showed contractile recovery, whereas none of 5 segments with late improvement from 0 to 0.5 showed contractile recovery. There was no significant difference of predictive value between early and late MCE (p=ns). CONCLUSION: Temporal changes of myocardial perfusion from 1week to 2 months in AMI were mainly progressive improvement caused by recovery of microvascular function from stunning rather than progressive microvascular damage or reactive hyperemia. However, it may not significantly affect the validity of MCE in predicting contractile recovery.
Arteries ; Capillaries* ; Echocardiography ; Follow-Up Studies ; Humans ; Hyperemia ; Myocardial Infarction* ; Necrosis ; Perfusion ; Reperfusion*