Seoul National University · Medicine
Professor Ji-hoon Kim's research lab specializes in diagnostic and interventional radiology, with a primary focus on thyroid nodules and thyroid cancer management. The lab investigates minimally invasive ablation techniques—particularly radiofrequency ablation (RFA)—as effective alternatives to surgery for low-risk papillary thyroid microcarcinomas and recurrent thyroid cancers. Research also emphasizes improving diagnostic accuracy through core needle biopsy and refining active surveillance protocols using serial ultrasound monitoring. The lab integrates clinical imaging, evidence-based guidelines, and patient-centered outcomes to optimize thyroid cancer care.
Figures are computed from collected data and may differ slightly.
Thermal ablation using radiofrequency is a new, minimally invasive modality employed as an alternative to surgery in patients with benign thyroid nodules and recurrent thyroid cancers. The Task Force Committee of the Korean Society of Thyroid Radiology (KSThR) developed recommendations for the optimal use of radiofrequency ablation for thyroid tumors in 2012. As new meaningful evidences have accumulated, KSThR decided to revise the guidelines. The revised guideline is based on a comprehensive an
After patients have had one FNA of a thyroid nodule yielding inconclusive diagnostic results (nondiagnostic or AUS/FLUS), CNB is more useful than rFNA for reducing the frequency of inconclusive diagnostic results. CNB will improve the diagnostic performance for malignancy more than rFNA in thyroid nodules that on the first FNA had nondiagnostic or AUS/FLUS readings.
Bilateral, confluent, white matter lesions in patients with delayed encephalopathy of CO intoxication show decreased diffusivity.
RFA may be an effective and safe alternative to repeat surgery in patients with locally recurrent small thyroid cancers.
Besides surgery and active surveillance, which are conflicting currently used management plans, RFA might represent an effective and a safe alternative for managing low-risk small PTCs, especially in patients ineligible for surgery.
<b><i>Background:</i></b> Active surveillance (AS) is an alternative to thyroidectomy for the management of low-risk papillary thyroid microcarcinoma (PTMC). However, prospective AS data collected from diverse populations are needed. <b><i>Methods:</i></b> This multicenter prospective cohort study enrolled patients from three referral hospitals in Korea. The participants were self-assigned into two groups, AS or immediate surgery. All patients underwent neck ultrasound every 6-12 months to monit
Metabolite ratios were significantly different between short and intermediate TE. Cho/Cr and LL/Cr ratios at either TE were similarly useful in differentiating high-grade gliomas from low-grade gliomas. If only a single spectroscopic sequence can be acquired, short TE seems preferable because of poor lactate inversion at intermediate TE on 3T single-voxel (1)H-MR spectroscopy.
In patients with thyroid cancer, CT improved surgical planning by enhancing the sensitivity for lymph node metastasis and by detecting lymph node metastasis that was overlooked with ultrasound alone.
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