Fine-needle aspiration of cystic nephroma (multilocular cyst of the kidney).

Cystic nephromas are rare tumors of the kidney most commonly affecting boys or adult females. The fine-needle aspiration cytomorphology has not yet been described. A renal cystic mass in a 56 year old female was aspirated under ultrasound guidance. Papanicolaou stained smears of the cyst fluid revealed markedly atypical cells forming papillary clusters. Subsequent nephrectomy showed a typical cystic nephroma with lining epithelium resembling that seen in the aspirate. The cytomorphology of cystic nephroma has been misdiagnosed as renal cell carcinoma in the literature. Low cellularity, absence of necrosis, and paucity of single cells are features that should raise the possibility of cystic nephroma in a cystic renal mass.     

细胞培养酶免疫法在检测和分析大肠癌细胞McAb中的应用

由于细胞表面抗原的提纯较难,检测抗细胞类抗原McAb常采用全细胞作抗原。一些学者多采用细胞悬液离心干燥法制备全细胞固相抗原,用免疫酶法进行McAb检测。由于细胞悬液包底,不均匀,以致影响结果的观察。本文报道在制备抗大肠癌HR_(8348)细胞McAb中,将HR_(8348)细胞直接培养于微板孔中,利用其贴壁单层生长的特性,制成包被均     

Relationship between loss of heterozygosity of deleted in colorectal carcinoma gene microsatellites and prognosis of colorectal adenocarcinoma

AIM: To investigate the relationship between the loss of heterozygosity (LOH) of microsatellites on the deleted in colorectal carcinoma (DCC) gene and prognosis of colorectal adenocarcinoma.METHODS: A retrospective study of 58 colorectal adenocarcinoma cases with follow-up data and paired control normal mucosal tissues from 1983 to 1985 from files from the West China University of Medical Sciences Department of Pathology was carried out by PCR microsatellite analysis. Sixteen, 35, and seven cases had well-, moderately, and poorly differentiated tumors, respectively; 11, 30, and 17 cases were staged as Dukes’ A, B, and C, respectively.RESULTS: LOH of DCC microsatellites was detected in 18 cases (31.0%). The 5-year survival rate between LOH-positive and LOH-negative patients was 44.4% and 77.5%, respectively (P < 0.05). The results suggest that LOH of DCC microsatellites correlate with prognosis but not with differentiation (P > 0.05) and Dukes’ stage (P > 0.05) in colorectal adenocarcinoma.CONCLUSION: LOH of DCC microsatellites may be a marker of malignancy. Combined with the traditional prognostic indicators, LOH can predict prognosis of colorectal adenocarcinoma.     

含不同实性成分比例磨玻璃密度病灶肺腺癌侵袭性分析

目的 探讨含不同实性成分比例磨玻璃密度病灶（GGO）肺腺癌的侵袭性差异。方法 回顾性分析59例含GGO、经手术病理证实为肺腺癌患者的CT及病理资料。分析病灶薄层CT影像征象,根据肿瘤内实性成分最大径与肿瘤最大径比值将患者分为GGO为主组即G_G组和实性成分为主组即G_C组,比较两组肿瘤CT征象和侵袭性差异。结果 病灶平均直径（2.71±1.08）cm;纯GGO 8例,混杂GGO 51例;43例病灶内见空泡征及含气支气管征（43/51,72.9%）,53例病灶边界清晰（53/59,89.83%）。G_G组19例、G_C组40例。CT征象：两组病灶直径、部位、形状及边界是否清晰差异均无统计学意义（P均>0.05）;G_C组边缘分叶和（或）毛刺比例、空泡征及胸膜凹陷征比例均明显高于G_G组（P均<0.05）。病理结果：G_C组与G_G组淋巴结转移、脉管癌栓发生率差异均无统计学意义（P均>0.05）;G_C组胸膜侵犯率和病理分期高于G_G组（P均<0.05）。结论 表现为GGO的肺腺癌随肿瘤实性成分比例增高,出现恶性CT征象比例和肿瘤侵袭性升高。     

cN0甲状腺乳头状癌患者颈淋巴结转移的高危因素分析

目的 探讨cN0甲状腺乳头状癌颈淋巴结转移的高危因素.方法 回顾性分析北京同仁医院2009~2015年537例cN0甲状腺乳头状癌的临床资料,统计患者性别、年龄、多发灶、合并桥本甲状腺炎、突破包膜和肿瘤直径.结果537例cN0甲状腺乳头状癌患者颈淋巴结转移率30.9%(166/537),其中单纯VI区转移率24.95%(134/537),VI区+颈侧转移率5.21%(28/537),单纯颈侧率0.74%(4/537).卡方检验和多因素logistic回归分析显示颈淋巴结转移与男性、年龄<45岁、突破包膜与肿瘤直径>1 cm有关(P<0.05).术后17例患者暂时声嘶,1例失访,1例随访1.5年未完全恢复正常.术后61例患者暂时低钙,2例失访,2例分别随访1.5和4年,仍需补钙.结论对cN0甲状腺乳头状癌患者进行危险度分层,男性、年龄<45岁、突破包膜、肿瘤直径>1 cm是颈淋巴结转移的高危因素,建议个体化治疗,行预防性中央区淋巴结清扫.     

Incidence and survival of glandular vulvar malignancies in the Netherlands

Aim

There is limited knowledge in the field of glandular vulvar malignancies. The aim of this study is to describe the incidence and survival of women with glandular vulvar malignancies.

Augmented expression of chromogranin A and serotonin in peri-malignant benign prostate epithelium as compared to adenocarcinoma

There is a growing body of evidence that the occurrence of neuroendocrine (NE) differentiation in prostate carcinoma correlates with poor prognosis, tumor progression, and androgen-independence. In the present study, the expression of common NE markers, i.e., chromogranin A (ChGA), serotonin (5HT), neuron-specific enolase (NSE) and adrenomedullin (AM), was retrospectively examined in formalin-fixed, paraffin-embedded prostate tissue samples obtained from patients with adenocarcinoma and from patients with nodular hyperplasia of the prostatic gland (NHPG) (33 and 28, respectively). The statistical analysis of the results (tested the equality of matched pairs of observations using the Wilcoxon matched-pairs signed ranks test) revealed a more prominent expression of ChGA in benign epithelial cells adjacent to adenocarcinomatic lesions (Peri-PAC) than in the adenocarcinoma (PAC) (p = 0.0049). A similar pattern of expression was detected for 5HT (p = 0.000). When comparing the expression of ChGA and 5HT in tissue samples originating in cancer patients with those obtained from NHPG samples, more ChGA and 5HT were expressed in Peri-PAC than in NHPG (p = 0.0004 and 0.002, respectively). The results obtained raise the possibility that adenocarcinoma cells urge some adjacent benign epithelial cells to differentiate into NE cells, which, in turn, may promote tumor growth and invasion.     

乳腺粘液囊肿样病变组织病理学及针吸细胞学改变

目的 分析乳腺粘液囊肿样病变的组织病理学及细针吸取（针吸）细胞学特点,寻求在手术前根据针吸细胞学鉴别ＭＬＬ与乳腺粘液腺癌的依据。方法 重新评估７例ＭＬＬ（良性５例,恶性２例）的组织病理学及针吸细胞学材料,并以同期１４例粘液腺癌作对照,比较两种病变在组织学及针吸细胞学上的差异。     

LCT与ICC结合在胸腹水细胞学鉴别诊断中的应用

目的:探讨液基薄层细胞检测(LCT)技术与免疫细胞化学(ICC)技术在胸腹水细胞学鉴别诊断中的意义.方法:在87例胸腹水液基细胞涂片中应用免疫细胞化学技术检测癌胚抗原(CEA)、上皮细胞膜抗原(EMA)、间皮细胞(MC)抗体及波形蛋白(Vimentin)的表达并与HE染色比较.结果:腺癌中CEA、EMA、MC、Vimentin阳性表达率分别为88.2%、90.2%、5.9%和3.9%.增生性间皮细胞中CEA、EMA、MC、Vimentin阳性表达率分别为5.6%、2.8%、97.2%和88.9%.结论:免疫细胞化学技术可应用于胸腹水LCT涂片.选择一组特异的抗体(CEA、EMA、MC、Vimentin)并结合脱落细胞HE染色可以在转移性腺癌与增生性间皮细胞的鉴别诊断中起重要作用.