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송종민(Jong Min Song),최윤식(Yun Shik Choi),채인호(In Ho Chae),김효수(Hyo Soo Kim),손대원(Dae Won Sohn),오병희(Byung Hee Oh),이명묵(Myoung Mook Lee),박영배(Young Bae Park),이영우(Young Woo Lee),전국진(Kook Jin Chun),홍택종(Taek Jong 대한내과학회 2000 대한내과학회지 Vol.59 No.3
Background : Mucosa-associated lymphoid tissue(MALT) lymphoma has an indolent natural course. However, extra-gastric MALT lymphoma has been reported to have more frequent relapses and shorter time to progress than gastric MALT lymphoma. We performed this study to analyze clinical features of extra-gastric MALT lymphoma. Methods : We retrospectively reviewed the medical records of the patients who were diagnosed as extra-gastric MALT lymphoma at the Samsung Medical Center from March 1995 to January 1999. The survival was analyzed by Kaplan-Meier method. Results : During the study period, extra-gastric MALT lymphoma was diagnosed in 50 patients. The median age was 51(28-87)yaers. The male to female ratio was 22:28. Commonly involved sites were conjunctiva (25/50, 50%), lung (6/50, 12%) and intestine(6/50, 12%). Histopathologically, low to high grade ratio of extra-gastric MALT lymphoma was 47:3. Among 41 patients who were staged, 32 patients(78%) had stage I or II and 9 patients(22%)had stage IV. B symptoms were seen in only 3 patients. Bone marrow involvement was observed in 4 patients. The duration of median follow up was 22 months. The 1-year and 2-year survival rates were 95.1% and 91.4% retrospectively. Conclusion : Majoity of our cases with extra-gastric MALT lymphoma had low grade, early stage, good treatement reponse and good prognosis.(Korean J Med 59:261-267, 2000)
Background : Retrograde P wave can be found not only in atrioventricular reentrant tachycardia (AVRT) but also in atrioventricular nodal reentrant tachycardia (AVNRT), especially of posterior-type. This study evaluated the usefulness of retrograde P wave for differentiating AVNRT from concealed AVRT and for localization of accessory pathway(AP).Methods : Twelve lead ECGs were analyzed in patients with AVNRT (n=41) and concealed AVRT (n=53) who have taken successful ablation. Presence of pseudo r' in V1, pseudo S in II, III, aVF, and configuration and polarity of presumed retrograde P waves were evaluated. RP was obtained by subtracting RP interval in III from that in V1.Results : In anterior-type AVNRTs (n=38), there were no retrograde P wave in 53% and the pseudo r' and/or S in 47%. Retrograde P waves in V1 were positive in 67% (2/3 cases) of posterior-type AVNRTs and 97.4% (37/38 cases) of AVRTs with left free wall AP, but negative in 83.3% (5/6 cases) of AVRTs with right free wall AP. Retrograde P waves in II, III, aVF were negative in all of posterior-type AVNRTs, all with left and right posteroseptal AP, right posterior AP, and 90% (9/10 cases) with left posterior AP. All with left anterior and right anteroseptal AP showed positive P wave in III. RP of posterior-type AVNRT was significantly larger than those with left posteroseptal or left posterior AP (p<0.01). Sensitivity of newly developed stepwise algorithm was 50-100%.Conclusion : Retrograde P wave during tachycardia on standard ECG is very useful for differentiation of AVNRT from concealed AVRT and also for localization of APs. (Korean J Med 59:268-276, 2000)
A 59-year old man was admitted for drowsiness and stiff neck. CSF examination showed lymphocytic pleocytosis and PCR for herpes simplex virus (HSV)-1 was positive in CSF. Brain MRI revealed enhanced lesions in left temporal lobe. His symptom improved with acyclovir. Follow-up studies showed red blood cells in CSF and a hematoma in the left temporal lobe. There was no additional symptom related to the hematoma. He was discharged after conservative care. Although rare, hematoma can develop in HSV-1 meningoencephalitis.
한규록(Kyoo Rok Han),송종민(Jong Min Song),최성주(Sung Joo Choi),한기훈(Ki Hoon Han),박선수(Sun Soo Park),오병희(Byung Hee Oh),이명묵(Myoung Mook Lee),박영배(Young Bae Park),최윤식(Yun Shik Choi),서정돈(Jung Don Seo),노정일(Chung Il 대한내과학회 1994 대한내과학회지 Vol.46 No.4
N/A Background: Thrombosis of prosthetic valve occurs more frequently in the mechanical prosthetic valve than tissue valve and more frequently in right-side heart than left-side heart. This study shows the clinical characteristics and treatment of bileaflet prosthetic valve thrombosis in the tricuspid position. Methods: Patients with bileaflet prosthetic valve in tricuspid position were followed till clinically significant tricuspid stenosis due to thrombosis develops. Five patients had clinically significant thrombotic tricuspid stenosis. Diagnosis was based on history taking, physical examaination, echocardiograpy and cinefluoroscopy. Results: Anticoagulation therapy was inadequate in 4 of 5 patients. Prosthetic valve replacement was undertaken in one patient and four patients were treated with thrombolytic therapy using urokinase. Three patients among 4 patients managed with thrombolytic therapy were successfully treated. There was no serious complication. Cinefluoroscopy and echocardiography were useful in diagnosis and evaluation of the thrombolysis. Conclusions: Thrombolytic therapy is useful as an initial treatment of thrombosed tricuspid prosthetic valve stenosis without major complications.