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放射性同位元素沃素(^(131)I)가 「마우스」의 主要臟器의 病理組織像에 미치는 影響에 關한 硏究

Histopathological Studies of Mice after Administration of Radioactive Iodine (^(131)I)

대한핵의학회지 1967년 1권 2호 p.85 ~ 97
盧在聲, 李文鎬,
소속 상세정보
盧在聲 (  ) - 서울대학교 醫科大學 內科學敎室
李文鎬 (  ) - 서울대학교 醫科大學 內科學敎室

Abstract


Histopathological changes of various organs of the "Mice after intra-peritoneal injections of radioactive
iodine (131I) were experimentally observed.
Sixity healthy female mice, weighing average 25 gm, devided into 6 groups, were used.
The various doses of 1311 were injected intraperitoneally at different intervals.
The histopathological changes after these treatments were observed in organs such as thyroids,
parathyroids, livers, kidneys and gonads.
Following were the results;
1) Thyroid: In the group A given 13´I with a single dose of 10 UC per gm body weight, it was observed that the protoplasm of follicular epithelial cells were destroyed, the nuclei were expanded or dissoluted, showing pyknotic changes of nuclei and vacuolization of protoplasms.
In the group B given 191I with a single dose of 5,4C per gm body weight, hyperemias, hemorrhages` and hyaline degeneration in the whole area were observed.
In the group C given 1311 with 3 doses of -2.5 pC per gm body weight every week, the thyroid ´ parenchyms were destroyed and epithelial cells of varing size were observed in the fibrinous ´tisanes:
In the group D given 13´I ´with 6 doses of 0.5 pC per gm body weight every week, some destroyed ´´ follicles and new borne follicles were observed. But the histopathological changes resemble the folk- ^´ des of the normal thyroid gland ´ ´
In the group E and F given 1311 with 8´ and 10 doses of 0.2 pC and 0.01 uC. for each group ´per gm body weight every two days, both pyknotic changes of nuclei and cytoplasmic vacuolization of the follicular epithelia, hypertrophies of follicles and abnormal irregular follicular structures were observed, and in the group F, lymphocytes appeared around the thyroid glands.
2) Parathyroid: In the group A, hyperemia, proliferation of connective tissues, karyorrhexes and vacuolization were observed. In other experimental groups, no particular pathological change was observed.
3) Liver: The degnerative changes and acute or chronic inflammatory changes were observed in proportion to the amount of 391I injected. Atrophies of the liver cells, dilatations of sinusoids, hyaline degeneration and necrotic pictures were observed.
4) Kidney: In the group A, congestions and infiltrations of mononuclear cells and granulocytes were
observed around, the cortical arteries, and in the group B, the degenerative changes of cortexes, and. in the group C and D, hydronephrotic changes were observed respectively, and hyaline degenerations
were partially observed.
5) Gonad: In the group A, the follicles were degenerated. The ova in the follicles showed irregular figures. The changes in the group B were almost the same as in the group A, but the changes were mild. In the group C, the destructions of whole ova, the hypertrophies of ovarian follicular membranes and pyknotic changes of nuclei were observed. In the group D, the pathological changes were similar to that of group C, but mild in the grade. In the group E, almost none of ovarian follicular fluid was observed, and in the group F, the tissue pictures were almost similar to that of the normal group.

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