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강창준 ( Chang Joon Kang ),고경현 ( Kyung Hyun Koh ),김동훈 ( Dong Hoon Kim ),박상준 ( Sang Joon Park ),정재연 ( Jae Yeon Cheong ),김진홍 ( Jin Hong Kim ),조성원 ( Sung Won Cho ),이광재 ( Kwang Jae Lee ) 대한소화기기능성질환·운동학회 2008 Journal of Neurogastroenterology and Motility (JNM Vol.14 No.1
Pseudoachalasia or secondary achalasia is a rare motor abnormality mimicking primary achalasia. It has clinical, radiographic, and manometric features often indistinguishable from primary achalasia. The majority of reported cases of pseudoachlasia is associated with a neoplasm at or near the esophagogastric junction. A 62-year-old woman with inoperable pancreatic cancer presented with complaints of dysphagia, nausea and vomiting. Her endoscopic and esophageal manometric findings were compatible with achalasia. Abdominal CT scan revealed that gastroesophageal junction was compressed by a metastatic lymph node. We present a rare case of pseudoachalasia in which the primary cause of the disease was a pancreatic carcinoma.
증례 : 라미부딘 치료 후 클레부딘으로 전환한 만성 B형간염 환자에서 발생된 클레부딘 내성 1예: 연관 염기서열 분석
고경현 ( Kyung Hyun Koh ),강창준 ( Chang Joon Kang ),김동훈 ( Dong Hoon Kim ),최용원 ( Yong Won Choi ),김무정 ( Moo Jung Kim ),정재연 ( Jae Youn Cheong ),조성원 ( Sung Won Cho ) 대한소화기학회 2008 대한소화기학회지 Vol.52 No.5
Clevudine is a nucleoside analog of the unnatural β-L configuration which has potent antiviral activity against hepatitis B virus (HBV). Clevudine is expected to have similar pattern of resistance profile as lamivudine. However, there was no report on the mutation associated with clevudine resistance in patients with chronic hepatitis B. We report a case of young male patient with chronic hepatitis B who presented with clevudine resistance. The patient had received lamivudine therapy for 5 months with reduced serum HBV DNA levels. Then, lamivudine was switched to clevudine monotherapy. After the 6 months of clevudine therapy, the patient developed virologic breakthrough (>1.0×10(8) copies/mL) as well as biochemical breakthrough, which was associated with the presence of rtM204I plus rtL80I mutant. After switching from clevudine to adefovir, the viral load decreased with biochemical improvement. (Korean J Gastroenterol 2008;52:325-328)