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Sister chromatid exchanged (SCE) and chromosome aberrations in peripheral lymphocytesof 30 patients with cervical cancer and relative lengths of C-band in 20 patients were studied. Verysignificant increase in SCE, hypodiploidies and relative lengths of C-band of chromosome 9 were ob-served, and significant increases in polyploidies, structural aberrations and relative lengths of C-bandof chromosome 1 were also found in cancer patients as compared with the controls, with all in non-randomized distribution. No differende was noted in alterations between stage Ⅱ and Ⅲ cancers.These findings suggest that chromosomal instability in the cervical cancer patients may represent aningerent trait in the patient and be related to the increased susceptibility of the individual to malignan-cy. 相似文献
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先天性性腺发育不全征又名Turner氏综合征。1938年首次由Turner氏报道。1944年Winkin等发现这类患者的性腺呈条索状,无生殖细胞称之为性腺发育不全征。1959年Ford等发现这类患者染色体核型为45,X。随着细胞遗传学的发展,又发现其他的一些染色体异常。归纳为以下三种类型:1.X单体型如45X;2.X嵌合体型如 相似文献
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XY女性是指具有女性或近似女性的表型及外生殖器而性染色体为XY的个体,自幼多作为女性抚养,多因闭经或阴蒂肥大而就诊。这类患者的性腺恶性肿瘤发生率较高,有的因性别不明或在青春期后出现闭经、男性化以及不育等,给患者本人及家庭造成负担。自1981年2月至1983年5月,我们通过外周血淋巴细胞培养及G带染色体分析,共发现此类患者13例,归纳为以下五种类型:①XY性腺发育不全3例,②混合性性腺发育不全2例,③不全雄激素不敏感6例,④真两性畸型1例,⑤性腺母细胞瘤1例。现报道如下。一、体征本组13例中,患者身材1.50米以上者10例,其中4例1.70米以上,身材矮小者3例。乳房未发育或稍发育者12例,只1例真两性畴型者乳房发育好。本组5例性腺发育不全者外阴发育差,有阴道及幼稚子宫,无阴毛,阴蒂不大,手足长大,似无睾 相似文献
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Chromosomes in 1620 metaphases of ascitic fluid cells in 20 cases of ovariancarcinoma were analyzed.The results showed that there were marked structuralaberrations aside from significant increase in chromosomal numerical aberrations(85.2%).In the ascitic fluid cells from 12 patients,15 types of marker chromosomes were found,among which t(6;14)(q21;q24)and t(2;6)(q35;p12)were more frequently noted witha rate of 7.84% and 7.59% respectively,which was significantly higher than that of othermarker chromosomes(P<0.01).The findings suggested that,besides t(6;14)(q21;q24),t(2;6)(q35;p12)may also be a specific marker chromosome of ovarian carcinoma. 相似文献
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染色体t(8;11)(p23.1;q21),13S~-易位罕见,迄今国内外尚未见报道,我们对—t(8;11)(p23.1;q21),13S~-,相互易位的家系作了分析,共调查四代45人,包括已故者、流产及新生儿死亡者,对28人作了外周血染色体检查,2例胎儿作了羊水细胞染色体检查。发现t(8;11)平衡易位 相似文献
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<正> 原发性闭经除内分泌失调及生殖器官疾患外,因染色体异常引起者约占病因的30—50%。自1980年10月至1983年11月,我们共对62例原发性闭经患者作了全身性及妇科检查,并按我室常规进行了外周血淋巴细胞培养及G 带染色体检查,其中29例曾予报道,现进一步分析讨论如下。62例中有染色体异常者27例,占43.5%,其中8例为45X;4例为46X,i(Xq);7例为嵌合体(45,X/46,X,i(Xq)2例,45,X/46,XX、45,X/46,XY、45,X/46,X,i(Xq)/46,XX、45,X/46,X,X_(?)/46,XX 及45,X/46,X,X_(?)/ 相似文献
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