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Biomedical subjects

M Endo

Publications and source records attributed to M Endo.

At least 973 records · Page 54Linked to original sources
PubMed1984

[Controversies on the treatment of early esophageal cancer].

Early cancer of the esophagus was defined as the mucosal and the submucosal cancer without any metastasis. The five-year-survival rate for early cancer cases was 61%. From our experience with nine cases of early mucosal cancer, not only no lymph node metastasis but also no vascular invasion was observed. So the diagnosis and the surgical treatment of mucosal carcinoma and further intraepithelial carcinoma must be important to obtain the long term survivals. The post operative combined treatments, such as the irradiation and the immunochemotherapy, were necessary for the early submucosal cancer with vascular invasion to improve the postoperative survivals.

Adult↗
PubMed1983

Comparison of patterns of handedness between twins and singletons in Japan.

The handedness questionnaire of thirteen items which was identical to that employed in our previous study on singletons was administered to 62 monozygotic (MZ) and 48 dizygotic (DZ) twin pairs in Japan. Information on forced conversion of hand usage in childhood was also obtained. Results indicated that the incidence of left-handedness was 3.6% and that of non-right-handedness (which includes mixed- and left-handedness) was 5.9%. There was no significant difference in the incidence of left-handedness or of non-right-handedness between MZ and DZ twin groups. The proportion of converted right-handedness in MZ twins was slightly higher than in DZ twins. MZ pairs were somewhat more concordant for handedness than DZ pairs. Item analysis indicated that the incidence of individuals who use the left hand for writing and eating was only 0.9% and 1.8%, respectively. A comparison of the results of the present survey on twins with those of our previous one on singletons revealed that the incidence of left-handedness or non-right-handedness in twins is the same as that in singletons. Twins (especially MZ twins) have experienced a forced conversion to right-hand usage more frequently than singletons.

Adolescent↗
PubMed1983

Handedness and familial sinistrality in a Japanese student population.

A handedness questionnaire consisting of thirteen items was administered to 4282 Japanese senior high school students. Information on the occurrence of left-handedness in their family as well as on forced conversion of hand usage in their childhood was obtained. Results indicated that incidence of non-right-handedness was 7.2%, with that of males being greater than that of females. The proportion of converted right-handers was greater in females than in males. When the frequency of converted right-handers was added to that of present non-right-handers, the average for non-right-handedness increased to 11%. Non-right-handers, particularly females, had familial sinistrality more frequently than right-handers. Item analysis revealed that the incidence of individuals who always use left hand for writing and eating was only 0.7% and 1.7%, respectively. This suggests that social pressure for right-hand writing and eating remains high in Japan.

Adolescent↗
PubMed1983

Extended dissection of the portahepatis and creation of an intussuscepted ileocolic conduit for biliary atresia.

This paper introduces a new operation for biliary atresia that establishes successful biliary drainage by extending the portahepatic dissection, and decreases ascending cholangitis by incorporating a nonrefluxing intussuscepted draining conduit. An analysis of the postoperative results is presented. The usual dissection of the portahepatis is extended to include the area between and beneath the branches of the right portal vein to incorporate all potentially usable remnants of the intrahepatic ducts. Ascending cholangitis is decreased by interposing an intussuscepted ileocolic segment between the portahepatis and the abdominal wall. This extended dissection of the portahepatis was performed since 1978 in 15 infants with noncorrectable biliary atresia, and bile drainage was achieved in all. In ten infants an intussuscepted ileocolic conduit was constructed. Ascending cholangitis in these ten infants has been either completely absent or easily controlled by antibiotics. The draining bile was highly concentrated due to the water-absorbing capacity of the interposed colonic segment; therefore, fluid and electrolyte disturbances, which develop frequently in patients having jejunal conduits, have never been encountered.

Bile↗
PubMed1983

Tachistoscopic recognition of normal and mirror images of Kana and Kanji characters.

Accuracy of recognition was investigated for normal and mirror images of Kana (syllabic symbols) and Kanji (ideographic symbols) characters tachistoscopically presented in the left and right visual fields in normal right-handed Japanese subjects. A significant right field superiority was obtained for the recognition of each type of normal letter. In the case of mirrored letters, Kanji characters were better recognized in the right field while no lateral asymmetry for the recognition of Kana characters was shown. The results indicated that Kanji processing is somewhat different from the processing of Kana characters.

Adult↗
PubMed1983

Value of computed tomography for radiation therapy of tumors of the nasal cavity and paranasal sinuses.

The role of computed tomography (CT) in connection with irradiation was evaluated in 60 patients with malignant tumors of the nasal cavity and paranasal sinuses. The extent of the tumors was well demonstrated at CT. The infratemporal fossa was involved in 33 patients, extension to the intracranial cavity was found in 6, and in 16 extension to the contralateral side. Such information is of great help in radiation treatment planning. On the other hand, CT was less valuable for evaluating the effect of radiation therapy.

Carcinoma, Squamous Cell↗
PubMed1983

[Unstable angina].

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Angina Pectoris↗