The detection rates for malignant gastric tumors, particularly gastric cancers, were investigated in 5,975 first-time visits and 5,027 total revisits at the Nagano Cancer Center over the last 20 years.
The detection rate for gastric cancers among first-time visits was 2.8% and among those reexamined 0.8%.
In terms of the reason for the total visits, those in the referral group (6.4%) were the highest, followed by the voluntary visit group (1.9%), the mass screening group (1.5%), and other physical check-up group (1.1%).
The proportion of gastric cancers was shown to rise with increasing age.
In terms of the presence or absence of subjective symptoms among first-timers, the detection rate of gastric cancers in the group with subjective symptoms was higher than in that without subjective symptoms.
In terms of the presence or absence of a hereditary relationship with gastric cancer among first-timers, the detection rate of gastric cancers in the group with this factor was higher than in that without it.
The Proportion of early cancers among detected gastric cancers accounted for over half, and those in the more recent decade were significantly higher than those in the earlier one.
In summary, it was considered that sufficiently accurate examinations carried out for cancer screening in the upper gastrointestinal tract at Nagano Cancer Center.

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Endometriosis is a common gynecological disease which causes dysmenorrhea, discomfort during defecation and painful intercourse and is closely related to infertility.
The purpose of this study is to confirm the value of laparoscopic conservative surgery for endometriosis complicated by infertility and to introduce original methods to decrease the symptoms arising from endometriosis in our department.
Between 2001 and 2003, 22 patients with endometriosis complicated by infertility were treated by laparoscopic surgery. Seven patients (31.8%) conceived naturally within 6 months after surgery. One patient (4.5%) conceived by artificial insemination (AIH) and 3 (13.6%) got pregnant by in vitro fertilization-embryo transfer (IVF-ET).
Since our success rate at IVF-ET in 2003 was 20.8%, laparoscopic surgery is considered to be useful for endometriosis patients complicated by infertility.
Endometriosis consists of lesions such as ovarian tumor, peritoneal lesion and deep infiltrating lesion. Recently, besides ovarian cystectomy, adhesiolysis and laparoscopy-assisted uterosacral nerve ablation (LUNA), we attempted to perform other two methods for symptoms caused by endometriosis. One is the incision of constricted peritoneum to repair an inflective uterus and narrow cul-de-sac. The other is removal of deep infiltrated indurations located in the rectovaginal septum. Although the long-term prognosis is uncertain, we were able to decrease the symptoms arising from endometriosis.

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成人の関節リウマチのこども版として「若年性関節リウマチ」と呼ばれていたが，現在は「若年性特発性関節炎」という呼称が一般的になりつつある。この疾患の認識はいまだ十分と言えず治療成績は不良であり，残念ながら著しい成長障害を残す症例が多い。現在まで提唱されてきた治療法による治療成績は甚だ不十分なものである。

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