| 2012 | Unusual case of desmoplastic fibroblastoma (collagenous fibroma) with ulceration on toe: mimicking diabetic foot ulcer | JOURNAL OF DERMATOLOGY |
| 2015 | Unusual Case of Radiation-Induced Cavernous Malformation after Gamma Knife Radiosurgery for Meningioma
| Journal of the Korean Society of Stereotactic and Functional Neurosurgery (대한정위기능신경외과학회지) |
| 2019 | Unusual Case of Recurrent Pericardial Effusion - Erdheim-Chester Disease
| CIRCULATION JOURNAL |
| 2002 | Unusual cases of trigeminal neuralgia treated by gamma knife radiosurgury. Report of two case | JOURNAL OF NEUROSURGERY |
| 2010 | Unusual Cause of Abdominal Pain in a Patient After Liver Transplantation Intestinal Ischemia Owing to Invasive Aspergillosis | GASTROENTEROLOGY |
| 2009 | Unusual causes and presentations of hemifacial spasm | NEUROSURGERY |
| 2021 | Unusual Clinical Presentations in a Patient with Novel ADCK3 Variants
| Annals of Child Neurology |
| 2019 | Unusual cortical involvement in aquaporin-4 antibody-positive patients: An analysis with double inversion recovery and phase-sensitive inversion recovery imaging | Multiple Sclerosis and Related Disorders |
| 2005 | Unusual Cystic Neoplasms in the Pancreas: Radiologic-Pathologic Correlation | JOURNAL OF COMPUTER ASSISTED TOMOGRAPHY |
| 1996 | Unusual Eosinophilic Infiltration of the Skin in a Patient with Precedent Kimura's Disease
| ANNALS OF DERMATOLOGY |
| 2010 | Unusual gallbladder metastasis from non-small-cell lung cancer detected by F-18 FDG PET/CT with intravenous contrast enhancement | CLINICAL NUCLEAR MEDICINE |
| 2023 | Unusual grafts for living-donor liver transplantation
| EUROPEAN JOURNAL OF MEDICAL RESEARCH |
| 2013 | Unusual manifestation of molluscum contagiosum: eruptive papules on the face and neck of an immunocompetent patient
| ANNALS OF DERMATOLOGY |
| 2020 | Unusual metastases from differentiated thyroid cancers: A multicenter study in Korea
| PLOS ONE |
| 2014 | Unusual Morphology of Permanent Tooth Related to Traumatic Injury: A Case Report | JOURNAL OF ENDODONTICS |
| 2015 | Unusual presentation of histiocytoid Sweet's syndrome in a pediatric patient | INTERNATIONAL JOURNAL OF DERMATOLOGY |
| 2007 | Unusual root canal anatomy in maxillary second molars: two case reports | ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTICS |
| 2008 | Unusual sonographic finding of metastatic invasive lobular carcinoma to the contralateral breast
| JOURNAL OF ULTRASOUND IN MEDICINE |
| 2021 | Unusual terahertz-wave absorptions in δ/α-mixed-phase FAPbI3 single crystals: interfacial phonon vibration modes | NPG ASIA MATERIALS |
| 2006 | Unusually asymmetric venous engorgement of the breast after long-term hemodialysis | JOURNAL OF CLINICAL ULTRASOUND |
