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이원용 한국목재공학회 1987 목재공학 Vol.15 No.2
In the present paper I described the relations of wood ray indicators such as ray height, ray width, number of rays per 0.25㎟, ray spacing and fusiform ray height on the stem of Pinus koraiensis and Larix leptoltpis grown at the Experiment Forest of Kangweon National University. The results may be summarized as follows. 1. The number of rays and ray spacing were generally decreased with the increase of ray height on the sample woods. 2. According to the tree species the patterns of varition of rap width with the increase of roe height were different, namely the relation between ray width and ray height showed some positive correlation on Pinns korniensis and negative on Larix leptolepis. 3. It was recognized that tire variation of fusiform ray height due to the increase of ray height indicated two patterns(the increasing and constant regions) in sampler woods. This boundary seemed to appear at six cells o ray height on Pinus koraiensis and nine cells on Larix lepolepis. 4. The relation between fusiform ray height and number of rags had a negative correlation on Pinus koraiensis, but this tendancy was not obvious on Larix leptolepis. And ray spacing and ray width due to the increase of fusiform ray height were generally decreased. 5. On the whole the values of ray spacing and width became gradually larger in proportion to the increase of number of rays. 6. According to the increase of ray spacing the values of ray width also increased gradually. But this tendency was more clear on Pinus koraiensis than larix leptolepis.
이원용,최윤석,안순현,하정훈 대한이비인후과학회 2014 Clinical and Experimental Otorhinolaryngology Vol.7 No.3
Objectives. This study was to show the technique and to compare the usefulness and complications of biopsy using a mini- mal incision with a needle tip of the labial minor salivary glands with those of conventional incisional lip biopsy in the diagnosis of Sjögren’s syndrome. Methods. We retrospectively reviewed the medical records of the patients who had the labial minor salivary gland biopsy for the diagnosis of Sjögren’s syndrome between January 2005 and December 2008. One hundred forty-three pa- tients were enrolled in this study. The yields of diagnostic salivary tissues and complications of the biopsy using a minimal incision with a needle tip and the conventional incisional lip biopsy were compared. Results. Out of 143 patients, 56 patients underwent the conventional incisional lip biopsy and 87 patients received the bi- opsy using a minimal incision with a needle tip. In the biopsy using a minimal incision with a needle tip group, ade- quate salivary gland tissues were obtained in 85 patients out of 87 patients (97.7%). In the conventional incisional lip biopsy group, adequate specimens were acquired in 44 patients out of 56 patients (78.6%). There was no compli- cation after the biopsy using a minimal incision with a needle tip, whereas there was one patient complained tran- sient numbness of the lip after the conventional incisional lip biopsy. Conclusion. The less invasive labial minor salivary gland biopsy using a minimal incision with a needle tip was easy to per- form and safe and showed the better result than the conventional incisional lip biopsy in terms of the adequate speci- men in the diagnosis of Sjögren’s syndrome. So it might be a good alternative to the conventional incisional lip biopsy.