成人阻塞性睡眠呼吸暂停低通气综合征患者的人格特征分析

目的　调查成人阻塞性睡眠呼吸暂停低通气综合征（OSAHS）患者的人格特征及生活质量,了解该患病群体的心理健康情况。方法　采用明尼苏达多项人格测量表（Minnesota multiphasic personality inventory,MMPI）和简明健康状况调查表（the MOS item short from health survey,SF-36）分别对98例成人OSAHS患者及100例单纯鼾症志愿者进行问卷调查,评价OSAHS患者的人格特征及生活质量情况并进行对照性研究。结果　在MMPI调查中,OSAHS患者在抑郁、疑病、精神衰弱、情绪不稳定、精神分裂临床量表T分高于单纯鼾症组,差异具有统计学意义（P＜0.05）,其中OSAHS组中女性患者的抑郁、疑病、精神衰弱、情绪不稳定、精神分裂、社会内向临床量表T分高于男性患者,差异具有统计学意义（P <0.05）。在SF-36调查中,OSAHS患者在生理职能、一般健康状况、躯体疼痛、精力、社会功能、情感功能、精神健康7个维度的平均评分低于单纯鼾症组,差异具有统计学意义（P＜0.05）。结论  OSAHS患者有较多的心理健康问题,表现更多的易疲劳、注意缺陷,生活质量更低,OSAHS病情越重,心理健康问题越大,女性患者尤重。     

Supraglottic subepithelial benign mass lesions: Focus on clinical features of sialolipoma-like lesion

ObjectivesSialolipoma has been classified as a benign soft tissue lesion in the 2017 World Health Organization classification of head and neck tumors. To our knowledge, only one case of laryngeal sialolipoma has been reported in the English literature. We conducted a retrospective study to identify clinical characteristics of supraglottic sialolipoma-like lesion and differentiate it from other supraglottic subepithelial masses.MethodsMedical records of 16 patients with supraglottic subepithelial benign mass lesions who underwent histological evaluation between 2003 and 2019 were retrospectively analyzed. Sialolipoma-like lesion was defined as a local finding of a well-circumscribed gross mass with pathological presence of salivary gland-like parenchymal lobules with evenly interspersed adipose tissue.ResultsEight patients showed histological positivity for sialolipoma-like lesion, 3 for amyloidosis, 2 for hemangioma, and 1 each for cyst, lymphoid hyperplasia, and chondrometaplasia. Sialolipoma-like lesion tended to be predominant among men; those affected had a mean age of 52.8 (range, 39–74) years. By contrast, among patients with amyloidosis, the ratio of men to women was 1:2 (100% vs. 33%; p = 0.055). Fiberscopic examination of all patients with sialolipoma-like lesions identified well-circumscribed, yellowish masses, closely resembling local amyloidosis findings. Sialolipoma-like lesion was associated with a significantly higher body-mass index (BMI; 27.4 ± 2.8 kg/m²) than amyloidosis (21.6 ± 1.4 kg/m²; p = 0.014). The transoral approach was used for lesion resection in all patients with sialolipoma-like lesion. No patient experienced postoperative recurrence.ConclusionLaryngeal sialolipoma-like lesion might be more prevalent than was previously reported, and histological examination is important to differentiate it from amyloidosis. Supraglottic sialolipoma-like lesion must be differentially diagnosed in patients with high BMI presenting with well-circumscribed, yellowish supraglottic masses.     

Hysterectomy in a male? A rare case report

INTRODUCTION

Persistent Mullerian duct syndrome is a rare form of male pseudo-hermaphroditism characterized by the presence of Mullerian duct structures in an otherwise phenotypically, as well as genotypically, normal man; only a few cases have been reported in the worldwide literature. A great variety of organs have been found in indirect inguinal hernial sacs.

PRESENTATION OF CASE

We report a case of 70 year old man, father of 4 children with unilateral cryptorchidism on the right side and left-sided obstructed inguinal hernia containing uterus and fallopian tube (that is, hernia uteri inguinalis; type I male form of persistent Mullerian duct syndrome) coincidentally detected during an operation for an obstructed left inguinal hernia.

DISCUSSION

PMDS is usually coincidently detected during surgical operation, as was in our case. However pre-operative ultrasonography, computerized tomography and MRI allow possible pre-operative diagnosis.³

CONCLUSION

In cases of unilateral or bilateral cryptorchidism associated with hernia, as in our patient''s case, the possibility of PMDS should be kept in mind.     

4种便携式血糖仪与生化分析仪的一致性和抗干扰能力的研究

目的 通过对不同便携式血糖仪与贝克曼库尔特A U 5800全自动生化分析仪(A U 5800)检测血糖结果的一致性比对和抗干扰能力的研究,为临床选择适合的血糖仪提供参考.方法 共选取4种不同检测原理的2台进口(A和B)和2台国产(C和D)血糖仪,与A U 5800同时检测不同浓度的血糖并进行比较,分析其一致性.分别检测...     

三维有限元分析在牙周夹板研究中的应用

牙周炎是口腔常见病、多发病,是牙齿松动的主要原因之一.牙周夹板一直以来是松牙固定的有效手段,它可以将多个牙连成一个整体,形成一个“多根巨牙”,共同承担咬合力,有效地分散牙周膜及牙槽骨的应力,为牙周组织的愈合创造有利条件.三维有限元分析法是研究复杂模型应力分布的生物力学方法,近年来广泛应用于牙周夹板的研究中,该方法可以逼...     

B-cell growth factor receptor expression and B-cell growth factor response of leukemic B cell precursors and B lineage lymphoid progenitor cells

The purpose of this study was to analyze the expression of B cell growth factor (BCGF) receptors and to elucidate the biologic effects of biochemically purified natural BCGF at the B cell precursor stage of human B lineage lymphoid differentiation. The specific binding of radioiodinated high-mol-wt BCGF (125I-HMW-BCGF) and low-molecular-wt BCGF (125I-LMW-BCGF) to fresh marrow blasts from B cell precursor acute lymphoblastic leukemia (ALL) patients was initially investigated. The estimated number of radioiodinated BCGF molecules bound per blast ranged from undetectable to 24.3 X 10(3) for HMW-BCGF, and from 11.5 X 10(3) to 457.8 X 10(3) for LMW-BCGF. In 3H-TdR incorporation assays, 75% of cases showed a significant response to LMW-BCGF with a median stimulation index of 9.3. By comparison, only 33% of cases showed a significant response to HMW-BCGF with a median stimulation index of 2.4. Subsequently, B cell precursor colony assays were performed to assess and compare the biologic effects of BCGF on leukemic B lineage lymphoid progenitor cells. Among 28 cases studied, 57% responded to both HMW-BCGF and LMW-BCGF, 21% responded only to LMW-BCGF, and the remaining cases showed no proliferative response to either growth factor. The response patterns of virtually pure populations of FACS- sorted leukemic B cell precursors were essentially identical to the proliferative responses of unsorted leukemic B-cell precursors. Synergistic effects between HMW-BCGF and LMW-BCGF were observed in 80% of the cases that responded to both. The numbers of cell-bound radioiodinated BCGF molecules, the stimulation indices, as well as the number of B cell precursor colonies in BCGF-stimulated cultures showed a marked interpatient variation. Patients with structural chromosomal abnormalities (SCAs) involving 12p11-13 or patients with a Philadelphia chromosome showed a greater HMW-BCGF response at the level of leukemic progenitor cells than did other patients (P = .02). The LMW-BCGF response was significantly greater for patients with SCA than for patients without SCA (P = .04). The response of leukemic progenitor cells to HMW-BCGF or LMW-BCGF did not correlate with sex, age, disease status, FAB morphology, WBC at diagnosis, or immunophenotype. To our knowledge, this study represents the first detailed analyses of BCGF receptor expression and BCGF effects in B cell precursor ALL. The data presented provide direct evidence for the expression of functional receptors for both HMW-BCGF and LMW-BCGF in B cell precursor ALL.     

人肠道病毒71型感染免疫抑制恒河猴的分析

目的: 通过建立人肠道病毒71型(EV71)感染在免疫抑制恒河猴的动物模型,进一步分析人EV71在免疫抑制动物体内病毒增殖、病理变化以及病毒抗原在不同组织的表达情况。方法: 按照每天15 mg/kg的剂量给8只恒河猴口服环孢菌素A连续7 d后造成其免疫抑制状态,再经呼吸道和消化道感染EV71病毒FY23株,对其进行14 d的临床观察后处死,采集各器官组织进行病毒载量检测,同时对不同的组织进行病理学分析和免疫组化分析。结果: 感染EV71病毒后,免疫抑制组的临床症状、病毒载量、病理分析和免疫组化结果都明显比非免疫抑制组严重,从病毒对机体造成的影响来看呼吸系统感染较消化系统感染明显严重。结论: 本实验分析了人EV71在免疫抑制动物体内病毒增殖的情况,为建立用于EV71疫苗评价的恒河猴动物模型提供了依据,并对未来的EV71疫苗的使用人群范围做出了新的限定。     

人卵黄囊间质干细胞的分离纯化及诱导成脂的实验研究

目的:分离纯化及体外定向诱导人卵黄囊间质干细胞(YS-MSC)分化为脂肪细胞。方法:显微分离人卵黄囊, 经酶消化得到卵黄囊细胞, 卵黄囊细胞经贴壁培养、传代纯化得到人YS-MSC, 流式细胞仪检测YS-MSC表面抗原表达, 钙钴法测定碱性磷酸酶(AKP)活性;地塞米松、消炎痛、胰岛素定向诱导YS-MSC分化为脂肪细胞。油红O检测中性脂肪。结果:人卵黄囊间质干细胞易于分离、纯化, 体外培养增殖潜能大。卵黄囊间质干细胞CD29、CD44、CD166及CD105表达阳性, CD34、CD45和CD86为阴性;AKP弱阳性。卵黄囊间质干细胞经成脂诱导转化为大小不等的园形或椭圆形细胞, 可见胞浆内有少量微小脂滴形成, 随时间延长, 胞浆中脂滴相互融合, 胞核被挤于细胞的一侧, 经油红O染色脂滴染橘红色, 符合脂肪细胞的生物学特征。结论:人卵黄囊间质干细胞与成体间质干细胞表型一致, 在体外可以分化为脂肪细胞。     

学龄期喘息儿童雾化吸入全程行为干预的效果研究

目的 探讨雾化吸入全程中行为干预对学龄期喘息儿童的治疗效果的影响.方法 将141例学龄期喘息儿童于雾化过程中按是否自愿接受行为干预分为实验组75例和对照组66例,2组患儿雾化前均进行喘息知识认知和"呼吸"指导.实验组在此基础上由专科人员陪护整个吸入过程且进行"呼吸"、吞咽唾液或用鼻呼气、握持雾化罐、保持体位等行为干预.比较2组患儿雾化结束后肺部哮鸣音及患儿主诉是否改善、经皮测血氧饱和度以及患儿依从性的差异.结果 雾化完成后实验组患儿主诉较雾化前舒服73例占97.3%,SaO_2＞95%69例占92.0%;而对照组主诉较雾化前舒服53例占80.3%,SaO_2＞95%50例占75.8%,差异显著;实验组平静呼吸哮鸣音改善情况和医嘱依从情况与对照组相比差异显著.结论 雾化吸人全程中持续行为干预能显著提高喘息儿童雾化吸入的效果和吸入治疗依从性.