• The Korean Journal of Nuclear Medicine Technology
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• v.17 no.2
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• pp.25-30
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• 2013

Purpose: To evaluate kidney function, renal relative uptake is very important and is affected by kidney and the setting of background region of interest (ROI). In particular, in the case of patients with hydronephrosis to the naked eyes, such as size, position and shape etc. can be difficult to identify. So according to ROI to be set by user, the results are many differences. This study assumes the ROI of a constant kidney. According to the change of background ROI by analyzing renal relative uptake affect how the results are intended to study. Materials and Methods: From January 2012 to February 2013, we analyzed 27 patients with hydronephrosis who were examined MAG3 test in nuclear medicine department of Samsung medical center. After patients were received intravenous injection of $^{99m}Tc-MAG3$ 185 MBq (5 mCi) data were obtained. While we reconstructed images of patients, we've changed background ROI in the process of setting up ROI. First, in the process of renal processing, automatic ROI which set automatically and background ROI which needed to set manually were compared. Second, we set the ROI position separated by above, lateral and bottom of kidney. Third, background setting time were compared with 1-2 min and 2-3 min. Results: The relative uptake occurred in 3.7%p of the errors on average in Automatic & Manual ROI study. And comparison of background ROI position study, located in the lower position was more accurate results. Above, lateral, bottom each of the values 74.6%, 67.6% and 62.0% showed respectively. The standard value was 59.9%. finally, split function range test doesn't show significant difference. Conclusion: The study shows that relative uptake of kidney is affected in the background ROI. Therefore, it should be set by considering various dependent factors.

• Childhood Kidney Diseases
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• v.25 no.1
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• pp.8-13
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• 2021

Pediatric kidney transplantation is the best option since it can achieve near normal glomerular filtration rate, adequate fluid balance, and autonomic endocrine function of the kidney in end-stage kidney disease. However, pediatric kidney transplantation is difficult because children are developing and growing, management and complications of pediatric kidney transplantation are different from those of adults. This review covers the current status of pediatric kidney transplantation in Korea, key considerations that must be taken before kidney transplantation in children, and management strategy of immunosuppression and common complications.

• The Korean Journal of Nuclear Medicine Technology
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• v.18 no.2
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• pp.48-56
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• 2014

Purpose $^{99m}Tc$-DTPA renal scintigraphy serves as a key indicator to measure a kidney donor's Glomerular Filtration Rate (GFR) and determine the possibility of kidney transplant. The Gates method utilized to measure GFR considers 3 variables of renal depth, injection dose, and net kidney counts. In this research, we seek to compare changes in kidney donors' GFR according to renal depth measurement methods of the 3 variables. Materials and Methods We investigated 32 kidney donors who had visited the hospital from October, 2013 to March, 2014 and received abdominal CT and $^{99m}Tc$-DTPA GFR examination. With the cross-section image of the CT and the lateral image from a gamma camera, we measured the renal depth and compared with renal depth calculation equations-Tonnesen, Taylor, and Itoh methods. Renal depth-specific GFR was calculated by using Xeleris Ver. 2.1220 of GE. Then the results were compared with MDRD (Modification of Diet Renal Disease) GFRs based on serum creatinine level. Results The renal depths measured based on the CT and gamma camera images showed high correlation. Tonessen equation gave the lowest GFR value while the value calculated by using the renal depth of CT image was the highest with a 16.62% gap. MDRD GFR showed no statistically significant difference among values calculated through Taylor, Itoh, CT and gamma camera renal depth application (P>0.05), but exhibited a statistically significant change in the value based on Tonnesen equation (P<0.05). Conclusion This research has found that, in GFR evaluation in kidney donors by utilizing $^{99m}Tc$-DTPA, Tonnesen equation-based Gates method underestimated the value than the MDRD GFR. Therefore, if a MDRD GFR value shows a huge difference from the actual examination value, using an image-based renal depth measurement, instead of Tonnesen equation applied to Gates method, is expected to give an accurate GFR value to kidney donors.

• Journal of Korean Medical classics
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• v.22 no.2
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• pp.201-229
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• 2009

In this dissertation, I will focus on the channel entry[歸經] and the effect and the treatment [效能主治] in oriental medicine texts from ancient to modern times in order to classify the medicines of the kidney. Medicines that effected the Kidney through working on any other viscera were as follows: Fossilia Ossis Mastodi(龍骨), Schizandrae Fructus(五味子), Nelumbinis Semen(蓮肉), Ostreae Testa(牡蠣), Polygalae Follium(小草), Angelicae Gigantis Radix(當歸), Albizzae Cortex(合歡), Thujae Semen(栢子仁) and Bambusae Calulis in Liquamen(竹瀝). This study was dedicated to researching the medicines related to the kidney and making efficient use of these medicines.

• Journal of the Korean Society of Radiology
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• v.83 no.6
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• pp.1406-1411
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• 2022

Mucinous adenocarcinoma of the kidney is an extremely rare cystic malignant tumor with a poor prognosis that occurs in the pelvicalyceal system. Pre-opeartive diagnosis is very difficult because the tumor's clinical and imaging features are nonspecific. Here we report a case of primary mucinous adenocarcinoma arising from the horseshoe kidney in a 69-year-old male, focusing on CT findings. The tumor was a complex cystic mass with irregular wall thickening, multifocal calcifications, and septa and progressed to pseudomyxoma peritonei postoperatively.

• Journal of Veterinary Clinics
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• v.10 no.2
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• pp.199-202
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• 1993

The purpose of this study was to make fundamental ultrasonographic observations of kidney and urinary bladder in Korean native goat. The position, dimensions, and structure of the kidneys and bladders In 7 male Korean native goats were determinded by use of ultrasonography. A 3.5%.MHz linear transducer was used. All examinations were performed on goats in lateral recumbency under sedation. The left kidney was 4.2 to 5.9 cm long, 2.5 to 3.6 cm wide, and 2.4 to 3.2 cm deep. Diameter of the parenchyma and renal sinus of the left kidney ranged between 0.7 and 1.3 cm and 0.7 and 1.4 cm, respectively. Circumferences of the medullary Pyramids varied between 1.3 and 1.9 cm. Similar ultrasonic measurements were obtained for the right kidney. The diameter of the urinary bladder varied between 2.1 and 5.4 cm in the goats. It was concluded that the ultrasonographic findings described in this study can be used as references for diagnosis of morphologic changes in the kidney and urinary bladder of Korean native goat.

• Journal of Life Science
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• v.18 no.9
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• pp.1239-1243
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• 2008

Though relatively little is known of the physiology involved, there is reduced kidney activity during hibernation. In this experimental study, male Korean chipmunks (Tamias sibiricus barberi) were maintained in cold conditions ($6^{\circ}C$) for 9 months, in an attempt to mimic conditions occurring during seasonal hibernation. The examination was made to determine changes of glycoconjugates on the kidney after hibernation by lectin histochemistry. The changes of lectin affinities in the kidney categorize into three groups: a) increase ones only in the early hibernation stage b) increase ones during hibernation and c) decrease ones during hibernation. The transient increase of Con A affinity in the proximal convoluted tubules were demonstrated only in the early cold-treated stage, and PNA and Con A in the distal convoluted tubules and DBA and sWGA in the collecting tubules. SBA affinity tended to increase with hibernation in the proximal convoluted tubules, but sWGA affinities were significantly decreased in the all tubule examined with hibernation. The present results suggest that the glycosylation pattern of the kidney undergoes profound changes during hibernation, and is probably associated with transiently reduced renal function.

• Childhood Kidney Diseases
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• v.16 no.1
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• pp.63-67
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• 2012

Acute pyelonephritis (APN) is a relatively common bacterial infection in children. In previously healthy children, acute kidney injury (AKI) is very rare in the course of APN without urinary tract obstruction, renal hypoperfusion due to hypotension or exposure to nephrotoxic agents. We describe a case of AKI secondary to APN and renal abscess in a child with vesicoureteral reflux. With antibiotic treatment and adequate hydration, the patient was improved. APN should be included in the differential diagnosis of AKI and adequate treatment by proper antibiotics is crucial for full recovery of renal function.

• Journal of Aquaculture
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• v.16 no.4
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• pp.240-244
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• 2003

The primitive gonad development in Paralichthys olivaceus was classified into (ⅰ) primordial germ cell (PGC), (ⅱ) genital ridge type (GRT), (ⅲ) primitive gonad type I (PGT I) and (ⅳ) primitive gonad type II stages. In the control group, PGC was recognizable on the 3rd days after hatching, and the primodial gonad after 24th days, while it was around the 22nd day after hatching in the group exposed to PCBs 3.0 $\mu\textrm{g}$/L for 30 days. Likewise, the progress of kidney development was recognized in four stages; unitubular type of mesonephric duct (UTMD), the branched mesonephric duct (BMD), convoluted tubule formation (CTF) and glomerulus appearing (GA) stage. It was structurally completed between the 25th and 30th day after hatching in two groups. There was no significant difference (p>0.05) in the time scale of development of gonad, and kidney between control and the PCBs - exposed group.

• Journal of Korean Academy of Nursing
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• v.36 no.7
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• pp.1145-1153
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• 2006

Purpose: The purpose of this study was to discover kidney transplant and hemodialysis patients' quality of life(QOL) and provide basic data to improve their QOL. Method: One hundred two hemodialysis patients and 106 kidney transplant patients were given a self-administered questionnaire from Mar. 6 to Mar 31, 2006. The instrument consisted of demographic variables, therapeutic-related characteristics and QOL. Collected data was processed using the SPSS 12.0 statistical program for real numbers, percentages, ANCOVA, t-test, ANOVA, Stepwise multiple regression and the Scheffe test. Results: Kidney transplantpatients' QOL was higher than hemodialysis patients. The demographic variables which showed a significant difference in overall QOL were religion, children and monthly income for kidney transplantpatients and educational background for hemodialysis patients. The therapeutic-related variable which showed a significant difference in overall QOL was the patients' perceived health condition for both groups. The influencing factor on overall QOL for both groups was the health condition perceived by themselves. The total variance of the variable for QOL was 42% for kidney transplant patients and 19% for hemodialysis patients. Conclusion: This study revealed that kidney transplant patients have a higher QOL and how patients perceive their health is the strongest influencing factor for QOL. However, there is a large difference between the demand and supply of kidney donors. To solve this problem the standards for donation should be reviewed and revised.