〔報告〕桃山文化期における輸入漆の調達と使用に関する調査（Ⅲ)―日本国内の出土漆器における輸入漆塗料の使用事例―

During excavation in the center of Kyoto (O-ike site) from 2003 to 2004, many fourlobed jars were excavated. These jars were used to stock imported urushi paint from Thailand or Cambodia from the end of the 16th to the first half of the 17th century. At the same site many traditional urushi paint tools produced in Japan during the Momoyama cultural period were also excavated. Results of elemental analysis by Py-GC/MS showed that the urushi paint was composed of Melanorrhoea usitata, Rhus vernicifera, Rhus succedanla,or their mixture. But there is no idea as to what objects,other than nambanstyle exported lacquerware,imported urushi paint was used for. Analyses of five lacquerware excavated at O-ike site showed that the urushi paint was compound of a mixture of Rhus vernicifera and Rhus succedanla. This result is material evidence that imported urushi paint was used on urushi objects in Japan

〔報文〕桃山文化期における輸入漆塗料の流通と使用に関する調査

In recent years, ｍany four-lobed jars were excavated at the center of Kyoto city (O-ike site). These jars were imported from Thailand or Cambodia from the end of the 16th century to the first half of the 17th century. Some jars were stocked with black urushi sap paints. Results of elemental analysis by GC/MS specific heat showed that these black urushi paints were composed of Melanorrhoea usitata (grown in Thailand, Cambodia, and Myanmar), not Rhus vernicifera (grown in Japan or China) or Rhus succedanla (grown in Vietnam). According to old documents, a large amount of urushi paints was used on objects and wooden buildings during the Momoyama cultural period. But in those days the production of raw urushi paints made in Japan was not necessarily sufficient. So many raw urushi paints were imported from Southeast Asia. Thus, black urushi paints stocked in these excavated jars were actual materials imported from Southeast Asia during the Momoyama cultural period and used in Kyoto

〔報告〕桃山文化期における輸入漆塗料の流通と使用に関する調査（II）

In recent years, we excavated two archaeologiocal sites in Kyoto city which contained many urushi objects: Sanjo-Machiya site and O-ike site. These sites are not far from each other but the origin of urushi material differed. In Sanjo-Machiya site, many kinds of objects relatied to urushi manufacturing process were excavated: urushi paint brush, spatula, cover paper for urushi sap container and wooden vessels of the Momoyama cultural period. Results of pyrolyzed GC/MS of these objects showed that urushi paint was composed of Rhus vernicifera only, which is grown in Japan or China. In O-ike site, same kinds of objects related to urushi manufacturing process as in Sanjo-Machiya site were also found. The excavated objects are same in shape as traditional urushi paint tools produced in Japan. The jars with four lobes for stocking black urushi were also found at that site and black urushi was assumed to be Melanorrhoea usitata sap paints, because the jars were imported from Thailand or Cambodia around the 17th century. However, by pyrolyzed GC/MS analysis, four types of composition of black urushi paints were found: Melanorrhoea usitata only, a mixture of Melanorrhoea usitata and Rhus Succedanla which is grown in Vietnam, Rhus vernicifera only and a mixture of Melanorrhoea usitata and Rhus vernicifera. Weassumed that the excavated urushi objects were tools for transfering imported urushi sap paints from jars to small vessels and that urushi sap paints from many countries were blended and used in Kyoto during the Momoyama period

教室における肺癌切除例の検討

Surgical treatment is still a main therapeutic modality in the treatment of non-small cell lung cancer, although the 5-year survival rate remains low.We retrospectively evaluated 570 resected cases of lung cancer from April 1982 to March 1998 with reference to patient age,operative method,histologic type,pathological stage, tumor size, relationship between tumor size and lymph node metastasis and survival rate. Surgical treatment for patients older than 70 years was gradually increased.Limited resection has done in 24 cases, and video-assisted techniques were performed in some cases. Histological diagnoses were adenocarcinoma in 324 cases,squamous cell carcinoma in 209 cases and others in 37 cases.Almost 60% of all 570 cases were pathological stage I disease,and the rate gradually increased.The average tumor size of all resected cases was 33.8mm,and cases with tumor size within 20mm increased,reaching half of cases in recent years. In the evaluation of the relationship between tumor size and lymph node metastasis,cases with tumor size within 10mm had no metastasis and the positive rate was higher according to the size.The 5-year survival rate in stage IA disease was 76.7%, reaching statistically significant differences compared with other stages. It was suggested that small-sized early disease was gradually increased in the resected cases of lung cancer. Although limited resection for early stage lung cancer remains controversial, a reliable alternative limited surgical procedure for selected patients with early disease will be necessary in the near future.Article信州医学雑誌 48(4): 243-248(2000)journal articl

非小細胞肺癌における血清DNAを用いたマイクロサテライト変異の検討

Recent studies indicate that soluble tumor DNA and microsatellite alterations have been identified in the peripheral blood of small cell lung cancer patients. There is a possibility that these might be useful for preoperative diagnosis, deciding on treatment strategy and postoperative evaluation as a new biomarker to detect genetic alterations originating from primary cancerous lesions in the peripheral blood of non-small cell lung cancer patients. The purpose of this study was to determine whether genetic alterations in resected cancer tissue could be identified in the preoperative peripheral serum by microsatellite DNA analysis. Our preliminary data, however, showed that no microsatellite alterations in tumor DNA could be found in the preoperative serum DNA of non-small cell lung cancer patients.Article信州医学雑誌 47(6): 489-495(1999)journal articl

Observation results by the TAMA300 detector on gravitational wave bursts from stellar-core collapses

We present data-analysis schemes and results of observations with the TAMA300 gravitational-wave detector, targeting burst signals from stellar-core collapse events. In analyses for burst gravitational waves, the detection and fake-reduction schemes are different from well-investigated ones for a chirp-wave analysis, because precise waveform templates are not available. We used an excess-power filter for the extraction of gravitational-wave candidates, and developed two methods for the reduction of fake events caused by non-stationary noises of the detector. These analysis schemes were applied to real data from the TAMA300 interferometric gravitational wave detector. As a result, fake events were reduced by a factor of about 1000 in the best cases. The resultant event candidates were interpreted from an astronomical viewpoint. We set an upper limit of 2.2x10^3 events/sec on the burst gravitational-wave event rate in our Galaxy with a confidence level of 90%. This work sets a milestone and prospects on the search for burst gravitational waves, by establishing an analysis scheme for the observation data from an interferometric gravitational wave detector

孤立性肺腫瘤陰影を呈しCA19-9が高値を示した非結核性抗酸菌症の１例

A 56-year-old woman was found to have a solitary mass shadow on chest radiograph in a health examination.Transbronchial examination on two occasions did not yield any diagnostic findings.Both the high level of CA19-9 and the increasingly large shadow were suspected to be indicative of lung cancer, so we performed left lower lobectomy.The pathological examination of the resected lung revealed a granulomatous lesion without malignant findings.A few colonies grew on a liquid medium,and were identified as Mycobacterium avium by PCR. After operation,the increased CA19-9 leval normalized gradually.There are few reports presenting a solitary pulmonary mass shadow and high CA19-9 level due to nontuberculous mycobacterial disease.Article信州医学雑誌 56(6): 365-370(2008)journal articl