Chan Kyo Kim

..If a patient has a history of a previous operation, the possibility of gossypiboma should be suggested when the central whorled stripes or serrated contour in the inner border of the peripheral wall is present at MRI...

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..However, RFA is not fully evaluated for treating RCC in patients with von Hippel Lindau (VHL) disease who cannot undergo surgery due to serious postoperative morbidity or mortality...

..incidental detection of solid renal masses has been increasing since the multidetector computed tomography (MDCT) scanner was introduced...

..To compare the diagnostic performances of magnetic resonance imaging (MRI) and positron emission tomography/computed tomography (PET/CT) for the detection of recurrent ovarian tumor...

..Image-guided RF ablation is an effective treatment for Bosniak category III or IV cystic renal tumors, which might need relatively shorter duration of energy application than purely solid renal tumors of the same size...

..To evaluate the accuracy of T2-weighted (T2WI) with diffusion-weighted imaging (DWI) as compared with T2WI alone for predicting seminal vesicle invasion (SVI) of prostate cancer...

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..To retrospectively compare absolute and relative washout of adrenal metastases in patients with renal cell carcinoma (RCC) and hepatocellular carcinoma (HCC) to that of adrenal adenoma...

..To evaluate the feasibility of 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT)-guided conformal brachytherapy treatment planning in patients with cervical cancer...

..To compare percutaneous radiofrequency ablation (RFA) and open partial nephrectomy (OPN) for the treatment of renal cell carcinoma (RCC) with respect to renal function and mid-term oncological outcome...

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..To evaluate which factor is involved in limiting ultrasound (US)-guided radiofrequency (RF) ablation of small renal masses...

..To investigate the feasibility of diffusion-weighted MRI (DWI) as an early and reproducible change indicator in patients receiving radiotherapy for prostate cancer (PC)...

..We report a case of a recurrent RCC with multiple metastatic lesions which spontaneously regressed after undergoing radiofrequency ablation of the renal tumor...

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..We investigated the preliminary results of percutaneous radio frequency ablation for renal tumors in patients with von Hippel-Lindau disease...

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..Urothelial carcinoma is the most common malignant tumor arising from the pelvocalyceal system. Helical computed tomography (CT) is probably the best preoperative-stage modality for the determination of treatment plan and prognosis...

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..The objective of our study was to investigate the changes of apparent diffusion coefficient (ADC) values in prostate cancers before and after radiotherapy at 3 T using a phased-array coil...

..Additionally, DWI may be a useful tool to monitor therapeutic effects and guide targeted biopsies, particularly in patients with previously negative biopsy results...

..To retrospectively assess the apparent diffusion coefficient (ADC) as a predictor of biochemical recurrence (BCR) after surgery in patients with localised prostate cancer...

..To assess the use of diffusion-weighted imaging (DWI) at 3 Tesla (T) for lesion localization in patients with a high risk of prostate cancer before a rebiopsy...

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..To retrospectively compare delayed enhanced computed tomography (CT) and 18F-fluorodeoxyglucose positron emission tomography (18F-FDG PET)/CT (PET/CT) evaluating adrenal masses in oncology patients undergoing both examinations...

..The purpose of this study is to evaluate the "mushroom cap" sign on T2-weighted MR imaging in patients with submucosal tumors in the rectosigmoid colon...

..To retrospectively evaluate local staging accuracy for prostate cancer at 3.0-T magnetic resonance imaging (MRI) by comparing with that at 1.5-T MRI...

..The purpose of this article is to prospectively determine the feasibility of using blood oxygenation level-dependent (BOLD) MRI at 3 T in differentiating various renal lesions...

..Delayed contrast-enhanced CT can detect myxoid degeneration with late enhancement, which is seen as a cystic or necrotic change on early contrast-enhanced CT...

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..In conclusion, an electrode might be used as a lever to increase RCC-to-bowel distance during CT-guided RFA by placing a sterile drape on it...

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..05). In conclusion, small RCCs grew at a slow rate both diametrically and volumetrically. More accurate assessment of tumor growth rate and VDT may be helpful to understand the natural history of RCC...

..However, the MR accuracy for staging an endometrial cancer is not satisfactory based on the old FIGO staging system...

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..To compare prospectively between 3-T magnetic resonance imaging (MRI) and multidetector row computed tomography (MDCT) for the local staging of rectal cancer...

..CT peritoneography is a useful method for evaluating a wide variety of complications due to CAPD. We report a case of pleuroperitoneal communication with specific imaging features on multidetector-row CT peritoneography (MDCT)...

..We aimed to assess the clinical value of endorectal magnetic resonance imaging (MRI) in predicting extraprostatic extension and seminal vesicle invasion in patients with clinically localized prostate cancer...

..In this review, we discuss the complications resulting from RF ablation of RCC with an emphasis on causes, imaging features and prevention methods...

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..To evaluate the feasibility and complications of ultrasound (US)-guided biopsy of small renal masses (SRMs) and to determine factors that contribute to nondiagnostic biopsy specimens...

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..The purpose of our case report was to describe magnetic resonance imaging features, to show the differential diagnoses, and to discuss the role of percutaneous renal mass biopsy...

..To identify adrenal masses showing gradual persistent enhancement on delayed contrast-enhanced computed tomography (CT) and magnetic resonance imaging (MRI)...

..Retrospective review of preoperative computed tomography (CT) images demonstrated that the tumor measured 6 Hounsfield units in mean CT number and was continuous with a medial limb of the right adrenal gland...

..We report the computed tomography imaging features, with an emphasis on the technical aspects of the ablation procedure...

..To determine the diagnostic performance of dual-energy computed tomography (CT) by using virtual unenhanced CT to characterize adrenal masses...

..The purpose of this review was to discuss factors that affect reduction in renal function and to assess the relationship between local tumour control and renal function...

..05). CONCLUSIONS: Dynamic contrast-enhanced imaging at 3T MRI is superior to T2-weighted imaging for the detection and depiction of prostate cancer and thus is likely to be more useful for preoperative staging...

..We describe MRI features of this lesion clinically manifesting as non-tender scrotal swelling with a correlation of the histological findings...

..magnetic resonance urethrography (MRU) can be used for depicting not only anterior urethral strictures but also periurethral anatomy in order to produce a management plan...

..The present report describes the occurrence of an arteriovenous fistula after RF ablation of a renal tumor located within the renal sinus that subsequently required interventional therapy...

..CONCLUSION: Despite its limitations in predicting local tumor progression in the treated tumors, contrast-enhanced ADI is potentially useful for evaluating the early therapeutic effect of percutaneous RF ablation for HCCs...