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1.  Esophageal Pyogenic Granuloma: Endosonographic Findings and Endoscopic Treatments 
Clinical Endoscopy  2013;46(1):81-84.
Pyogenic granuloma is a benign inflammatory vascular lesion, mainly found in the skin and oral mucosa. A few cases of pyogenic granuloma in the gastrointestinal tract have been reported, and the esophagus was the main site in these cases. These patients were diagnosed with pyogenic granuloma after they underwent upper endoscopy and biopsy. Endoscopic resection is a favorable treatment option for esophageal pyogenic granuloma. Recently, we observed characteristic endosonographic findings in two cases with esophageal pyogenic granuloma, which were then treated successfully by endoscopic resection.
doi:10.5946/ce.2013.46.1.81
PMCID: PMC3572358  PMID: 23423701
Endosonography; Esophagus; Pyogenic granuloma
2.  Concurrent Parathyroid Carcinoma and Hyperplasia in Hyperparathyroidism 
doi:10.3904/kjim.2012.27.3.356
PMCID: PMC3443732  PMID: 23019404
Hyperparathyroidism; Parathyroid neoplasm
3.  Clinical significance of standardized uptake value and maximum tumor diameter in patients with primary extranodal diffuse large B cell lymphoma 
The Korean Journal of Hematology  2012;47(3):207-212.
Background
Maximum standardized uptake value (SUVmax) and maximum tumor diameter (MTD) have been shown to reflect survival outcome in diffuse large B cell lymphoma (DLBCL). However, applying these values to primary extranodal DLBCL is difficult because they are separate nosological entities with differences in genetic origin. We therefore decided to evaluate whether SUVmax and MTD on 2-[fluorine-18]-fluoro-2-deoxy-D-glucose (18-FDG) positron emission tomography (PET) would affect the survival outcome in primary extranodal DLBCL.
Methods
From October 2005 to November 2010, 76 primary extranodal DLBCL patients receiving R-CHOP therapy were analyzed. All patients had undergone an initial 18-FDG PET/CT and conventional computed tomography (CT) of the neck, chest, abdomen, and pelvis for staging. Median follow-up period was 35 months.
Results
The SUVmax and MTD cut-off values were 11.0 and 7.5 cm, respectively. SUVmax≥11.0 predicted a short progression free survival (PFS, P=0.002) and overall survival (OS, P=0.002). MTD≥7.5 cm was associated with poor PFS (P=0.003) and OS (P=0.003). High International Prognostic Index (IPI) was also associated with the survival outcome (PFS, P=0.046; OS, P=0.030). Multivariate analysis revealed that SUVmax≥11.0 (PFS, hazard ratio [HR]=10.813, P=0.024; OS, HR=6.312, P=0.015); MTD≥7.5 cm (PFS, HR=5.631, P=0.008; OS, HR=4.072, P=0.008); and high IPI (PFS, P=0.027; OS, P=0.046) were independent prognostic factors.
Conclusion
It appears that both MTD and SUVmax can be independent prognostic factors in primary extranodal DLBCL.
doi:10.5045/kjh.2012.47.3.207
PMCID: PMC3464338  PMID: 23071476
Lymphoma; Large B-cell; Extranodal
4.  Association between FGFR1OP2/wit3.0 Polymorphisms and Residual Ridge Resorption of Mandible in Korean Population 
PLoS ONE  2012;7(8):e42734.
Background
A previous study on the genetic association between single nucleotide polymorphisms in FGFR1OP2/wit3.0 and the long term atrophy of edentulous mandible hypothesized that the excessive jawbone atrophy after dental extraction may be associated with abnormal oral mucosa contraction induced by the FGFR1OP2/wit 3.0 gene. It was reported that the minor allele of rs840869 or rs859024 in FGFR1OP2/wit3.0 was associated with the excessive atrophy of edentulous mandible. The present study represents an attempt to replicate the results of this previous study and to examine the genetic association between polymorphisms in FGFR1OP2 and residual ridge resorption of mandible in a Korean population.
Methodology/Principal Findings
134 subjects (70.46±9.02 years) with partially or completely edentulous mandible were recruited. The mandibular bone height was measured following the protocol of the American College of Prosthodontists (ACP). From 24 subjects, seven variants in FGFR1OP2 were discovered and four of them were novel. Selected SNPs that are not in high LD at r2 threshold of 0.8 were genotyped for the remaining population. There was no frequency of the minor allele of SNP rs859024 in Korean population. SNP rs840869 was not associated with residual ridge resorption (p = 0.479). The bone height of the subject with the ss518063493 minor allele (8.52 mm) was shorter than that of those subjects with major alleles (18.96±5.33 mm, p = 0.053).
Conclusions/Significance
The patient with minor allele of ss518063493 may be associated with excessive atrophy of edentulous mandible whereas the patients with that of rs840869 are not associated in Korean population. The result from this study may assist in developing a novel genetic diagnostic test and be useful in identifying Koreans susceptible to developing excessive jawbone atrophy after dental extraction.
doi:10.1371/journal.pone.0042734
PMCID: PMC3412816  PMID: 22880093
5.  Thyrotoxic Periodic Paralysis Associated with Transient Thyrotoxicosis Due to Painless Thyroiditis 
Journal of Korean Medical Science  2012;27(7):822-826.
Thyrotoxic periodic paralysis (TPP) is a rare manifestation of hyperthyroidism characterized by muscle weakness and hypokalemia. All ethnicities can be affected, but TPP typically presents in men of Asian descent. The most common cause of TPP in thyrotoxicosis is Graves' disease. However, TPP can occur with any form of thyrotoxicosis. Up to our knowledge, very few cases ever reported the relationship between TPP and painless thyroiditis. We herein report a 25-yr-old Korean man who suffered from flaccid paralysis of the lower extremities and numbness of hands. The patient was subsequently diagnosed as having TPP associated with transient thyrotoxicosis due to painless thyroiditis. The paralytic attack did not recur after improving the thyroid function. Therefore, it is necessary that early diagnosis of TPP due to transient thyrotoxicosis is made to administer definite treatment and prevent recurrent paralysis.
doi:10.3346/jkms.2012.27.7.822
PMCID: PMC3390736  PMID: 22787383
Thyrotoxic Hypokalemic Periodic Paralysis; Painless Thyroiditis; Thyrotoxicosis

Results 1-5 (5)