fibroid

纤维瘤
  • 文章类型: Journal Article
    血管平滑肌瘤是一种罕见的间充质起源的良性肿瘤,起源于血管周围平滑肌细胞。这种软组织肿瘤通常发生在四肢的真皮或皮下组织,头部和颈部,或躯干,在子宫体中出现少于40例血管平滑肌瘤。在此,我们报告了一名44岁的G5P4西班牙裔女性的子宫血管平滑肌瘤,该女性有长期的复发性腹痛史,盆腔器官脱垂,异常子宫出血,贫血,和高血压。该患者接受了全腹腔镜子宫切除术,双侧输卵管切除术和子宫骶韧带悬吊术的手术治疗。根据总体和微观特征诊断子宫血管平滑肌瘤。子宫血管平滑肌瘤在子宫肌层内的位置与术前成像明显的对比增强相对应。这种和其他子宫血管平滑肌瘤具有特征性的影像学,宏观,以及区别于平滑肌瘤的微观特征。增强对这种未被认可的实体的认识将有助于精确诊断,从而能够更好地了解子宫血管平滑肌瘤的临床病理特征。
    Angioleiomyoma is an uncommon benign neoplasm of mesenchymal origin that arises from perivascular smooth muscle cells. This soft tissue neoplasm usually occurs in the dermal or subcutaneous tissues of the extremities, head and neck, or trunk with fewer than 40 reported angioleiomyomas arising in the uterine corpus. Herein we report a uterine angioleiomyoma in a 44-year-old G5P4 Hispanic woman with a longstanding history of recurrent abdominal pain, pelvic organ prolapse, abnormal uterine bleeding, anemia, and hypertension. The patient underwent surgical treatment with total laparoscopic hysterectomy with bilateral salpingectomy and a uterosacral ligament suspension. Uterine angioleiomyoma was diagnosed post-operatively based on gross and microscopic features. The location of the uterine angioleiomyoma within the myometrium corresponded with contrast enhancement apparent on preoperative imaging. This and other uterine angioleiomyomas have characteristic imaging, macroscopic, and microscopic features which distinguish it from leiomyoma. Enhancing awareness of this underrecognized entity will facilitate precise diagnosis and thereby enable improved understanding of the clinicopathological characteristics of uterine angioleiomyoma.
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  • 文章类型: Journal Article
    由于其低雌激素副作用,目前用于肌瘤的医学疗法具有主要的局限性。根据我们以前的工作显示NF-kB在肌瘤中的激活,我们假设体内抑制NF-kB会导致肿瘤缩小和炎症减少。将纤维异种移植物植入SCID小鼠中并每天用Bay11-7082(Bay)或载体处理两个月。Bay治疗导致肿瘤重量减少50%。RNAseq显示与细胞增殖相关的基因表达降低,炎症,细胞外基质(ECM)组成,和生长因子表达。通过qRT-PCR验证,西方印迹,ELISA,免疫组织化学(IHC)证实了这些发现。Bay处理减少了细胞周期调节因子(CCND1,E2F1和CKS2)的mRNA表达,炎症标志物(SPARC,TDO2,MYD88,TLR3,TLR6,IL6,TNFα,TNFRSF11A,和IL1β),ECM重塑器(COL3A1,FN1,LOX,和TGFβ3),生长因子(PRL,PDGFA,和VEGFC),孕激素受体,以及miR-29c和miR-200c。在Bay处理的异种移植物中,胶原水平降低。蛋白质印迹和IHC显示某些ECM成分和炎症标志物的蛋白质丰度降低,但不是裂解的半胱天冬酶三。Ki67、CCND1和E2F1表达随Bay处理而降低。这项临床前研究表明,NF-kB抑制是一种有效的纤维瘤治疗,抑制与增殖有关的基因,炎症,和ECM重塑。
    Current medical therapies for fibroids have major limitations due to their hypoestrogenic side effects. Based on our previous work showing the activation of NF-kB in fibroids, we hypothesized that inhibiting NF-kB in vivo would result in the shrinkage of tumors and reduced inflammation. Fibroid xenografts were implanted in SCID mice and treated daily with Bay 11-7082 (Bay) or vehicle for two months. Bay treatment led to a 50% reduction in tumor weight. RNAseq revealed decreased expression of genes related to cell proliferation, inflammation, extracellular matrix (ECM) composition, and growth factor expression. Validation through qRT-PCR, Western blotting, ELISA, and immunohistochemistry (IHC) confirmed these findings. Bay treatment reduced mRNA expression of cell cycle regulators (CCND1, E2F1, and CKS2), inflammatory markers (SPARC, TDO2, MYD88, TLR3, TLR6, IL6, TNFα, TNFRSF11A, and IL1β), ECM remodelers (COL3A1, FN1, LOX, and TGFβ3), growth factors (PRL, PDGFA, and VEGFC), progesterone receptor, and miR-29c and miR-200c. Collagen levels were reduced in Bay-treated xenografts. Western blotting and IHC showed decreased protein abundance in certain ECM components and inflammatory markers, but not cleaved caspase three. Ki67, CCND1, and E2F1 expression decreased with Bay treatment. This preclinical study suggests NF-kB inhibition as an effective fibroid treatment, suppressing genes involved in proliferation, inflammation, and ECM remodeling.
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  • 文章类型: Journal Article
    目的:研究子宫肌瘤(Fib)和匹配的子宫肌层(Myo)中免疫细胞谱的差异。
    方法:观察性研究设置:实验室研究患者:该研究包括从女性的十对肌瘤和匹配的子宫肌层收集的组织,不是荷尔蒙药物,行子宫切除术和子宫肌瘤切除术。
    方法:无主要结果指标:肌瘤和匹配的子宫肌层之间免疫细胞和细胞因子组成的差异总巨噬细胞,M2巨噬细胞,与来自同一患者的匹配子宫肌层相比,以及常规树突状细胞。相比之下,与子宫肌层相比,肌瘤的CD3和CD4T细胞明显减少。质量细胞计数分析未显示静息肥大细胞数量的任何显着差异。IFC和IHC成像证实了CytoF结果,显示显著较高(p<0.05)数量的NK,类胰蛋白酶阳性的肥大细胞表明肥大细胞活化,总巨噬细胞,和M2细胞中的肌瘤和显著较低(p<0.05)数目的CD3和CD4T细胞。细胞因子测定显示IFNA2,IL-1α的水平显着增加(p<0.05),和PDGF-AA,并显着降低Fib中M-CSF和IL-1RA的水平。
    结论:我们的结果显示Fib和Myo之间的免疫细胞群体和细胞因子水平存在显著差异。巨噬细胞总数显著增加,M2巨噬细胞,NK细胞,和树突状细胞以及Fib中CD3和CD4T细胞的显着减少。IHC证实静息肥大细胞总数无差异,但是Fib中的类胰蛋白酶阳性肥大细胞显着增加。Fibs也表达显著较高水平的IFNA2、IL-1α、和PDGF-AA,与匹配的子宫肌层相比,IL-1RA和M-CSF的水平显着降低。这些发现为进一步研究探索免疫细胞在Fib发育中的作用奠定了基础。
    OBJECTIVE: To study the differences in immune cell profiles in uterine fibroids (Fibs) and matched myometrium (Myo).
    METHODS: Observational study.
    METHODS: Laboratory study.
    METHODS: The study included tissue that was collected from 10 pairs of Fib and matched Myo from women, not on hormonal medications, undergoing hysterectomy and myomectomy.
    METHODS: None.
    METHODS: Differences in immune cell and cytokine composition between Fib and matched Myo.
    RESULTS: The mass cytometry analysis indicated that Fibs had a significantly higher number of natural killer (NK) cells, total macrophages, M2 macrophages, and conventional dendritic cells when compared with matched Myo from the same patient. In contrast, Fibs had significantly fewer CD3 and CD4 T cells when compared with Myo. The mass cytometry analysis results did not show any significant difference in the number of resting mast cells. Immunoflurorescent and immunohistochemical imaging confirmed the cytometry by time of flight results, showing a significantly higher number of NK cells, tryptase-positive mast cells indicative of mast cell activation, total macrophages, and M2 cells in Fibs and a significantly lower number of CD3 and CD4 T cells. The cytokine assay revealed significantly increased levels of human interferon α2, interleukin (IL)-1α, and platelet-derived growth factor AA and significantly lower levels of macrophage colony-stimulating factor and IL-1 receptor antagonist in Fib.
    CONCLUSIONS: Our results show significant differences in immune cell populations and cytokine levels between Fib and Myo. These differences could account for the increased inflammation in fib and a potential mechanism by which these tumors evade the immune system. These findings provide a foundation for further studies exploring the role of immune cells in Fib development.
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  • 文章类型: Journal Article
    背景:近年来,将人工智能(AI)集成到包括妇科在内的各个医学领域,已经显示出有希望的潜力。如果子宫保存和生育能力是主要目标,则肌瘤的手术治疗是子宫肌瘤切除术。AI的使用始于LLM(大型语言模型)的参与,从患者拜访妇科医生开始,从识别体征和症状到诊断,提供治疗计划,和耐心咨询。
    目的:AI(ChatGPT与GoogleBard)在纤维瘤外科治疗中的应用。
    方法:使用ChatGPT和GoogleBard等LLM确定患者的问题,并在8种肌瘤临床情况下提供治疗选择。使用M.S.Excel进行数据输入,并使用M.S.Windows2010的社会科学统计软件包(SPSS26版)进行统计分析。所有结果以表格形式呈现。使用非参数检验卡方检验或Fisher精确检验分析数据。P值<0.05被认为具有统计学意义。计算了两种技术的灵敏度。我们使用科恩的Kappa来了解协议的程度。
    结果:我们发现在第一次尝试时,ChatGPT在62.5%的病例中给出了一般答案,在37.5%的病例中给出了具体答案。ChatGPT对连续提示的灵敏度提高了37.5%,对第三个提示的灵敏度提高了62.5%。GoogleBard在50%的案例中无法识别临床问题,在12.5%的案例中给出了错误的答案(p=0.04)。GoogleBard在所有提示中都显示了25%的相同敏感度。
    结论:AI有助于减少诊断和计划纤维瘤治疗策略的时间,并且是妇科医生手中的有力工具。然而,应避免患者使用AI进行自我治疗,并且应仅用于有关肌瘤的教育和咨询。
    BACKGROUND: In recent years, the integration ofArtificial intelligence (AI) into various fields of medicine including Gynaecology, has shown promising potential. Surgical treatment of fibroid is myomectomy if uterine preservation and fertility are the primary aims. AI usage begins with the involvement of LLM (Large Language Model) from the point when a patient visits a gynecologist, from identifying signs and symptoms to reaching a diagnosis, providing treatment plans, and patient counseling.
    OBJECTIVE: Use of AI (ChatGPT versus Google Bard) in the surgical management of fibroid.
    METHODS: Identifyingthe patient\'s problems using LLMs like ChatGPT and Google Bard and giving a treatment optionin 8 clinical scenarios of fibroid. Data entry was done using M.S. Excel and was statistically analyzed using Statistical Package for Social Sciences (SPSS Version 26) for M.S. Windows 2010. All results were presented in tabular form. Data were analyzed using nonparametric tests Chi-square tests or Fisher exact test.pvalues < 0.05 were considered statistically significant. The sensitivity of both techniques was calculated. We have used Cohen\'s Kappa to know the degree of agreement.
    RESULTS: We found that on the first attempt, ChatGPT gave general answers in 62.5 % of cases and specific answers in 37.5 % of cases. ChatGPT showed improved sensitivity on successive prompts 37.5 % to 62.5 % on the third prompt. Google Bard could not identify the clinical question in 50 % of cases and gave incorrect answers in 12.5 % of cases (p = 0.04). Google Bard showed the same sensitivity of 25 % on all prompts.
    CONCLUSIONS: AI helps to reduce the time to diagnose and plan a treatment strategy for fibroid and acts as a powerful tool in the hands of a gynecologist. However, the usage of AI by patients for self-treatment is to be avoided and should be used only for education and counseling about fibroids.
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  • 文章类型: Journal Article
    我们先前的研究表明,在肌瘤中存在MIAT的过表达,并且MIAT是这些肿瘤中miR-29家族的海绵。这项研究的目的是确定在肌瘤异种移植物中MIAT的敲低是否会增加miR-29水平并减少该miRNA靶向的基因如胶原蛋白和细胞周期调节蛋白在肌瘤小鼠模型中的表达。将带有雌激素/孕酮小丸的卵巢切除的CB-17SCID/米色小鼠皮下植入侧腹,其中等重的纤维瘤外植体已通过慢病毒转导,用于对照(空载体)或MIAT敲低4周(n=7)。子宫肌瘤异种移植物中MIAT的敲除导致肿瘤重量减少30%,miR-29a显著增加,-b,和异种移植物中的-c水平。细胞增殖和细胞周期调控基因CCND1、CDK2和E2F1的表达降低,凋亡无明显变化。MIAT敲低的异种移植物表达较低的FN1,COL3A1和TGF-β3以及总胶原蛋白的mRNA和蛋白质水平。瞄准MIAT,它是促纤维化的miR-29家族的海绵,是一种通过减少细胞增殖来治疗肌瘤的有效疗法,肿瘤生长和ECM的积累,这是这些良性妇科肿瘤的标志。
    Our previous studies indicated that there is overexpression of MIAT in fibroids and MIAT is a sponge for the miR-29 family in these tumors. The objective of the present study was to determine if the knockdown of MIAT in fibroid xenografts will increase miR-29 levels and reduce the expression of genes targeted by this miRNA such as collagen and cell cycle regulatory proteins in a mouse model for fibroids. Ovariectomized CB-17 SCID/Beige mice bearing estrogen/progesterone pellets were implanted subcutaneously in the flank with equal weight of fibroid explants which had been transduced by lentivirus for either control (empty vector) or MIAT knockdown for four weeks (n=7). Knockdown of MIAT in fibroid xenografts resulted in a 30% reduction of tumor weight and a marked increase in miR-29a, -b, and -c levels in the xenografts. There was reduced cell proliferation and expression of cell cycle regulatory genes CCND1, CDK2, and E2F1 and no significant changes in apoptosis. The xenografts with MIAT knockdown expressed lower mRNA and protein levels of FN1, COL3A1, and TGF-β3, and total collagen protein. Targeting MIAT, which sponges the pro-fibrotic miR-29 family, is an effective therapy for fibroids by reducing cell proliferation and thereby, tumor growth and accumulation of ECM, which is a hallmark of these benign gynecologic tumors.
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  • 文章类型: Journal Article
    Meigs综合征是一种典型的腹水三联征,胸腔积液,和切除后消退的卵巢纤维瘤。假性Meigs综合征表现类似,但由卵巢纤维瘤以外的盆腔肿块引起,比如纤维瘤。我们提供了一个33岁的gravida2para0-0-1-0女性的病例报告,有蒂肌瘤,在妊娠5周开始出现腹水和水肿的快速发作。恶性,心脏,肾,肝,和风湿病原因被排除。子宫肌瘤切除术和剖宫产分娩后,她的症状得以缓解。怀疑是伪Meigs综合征。Pseudo-Meigs综合征是一种排除性诊断,需要手术治疗才能解决。怀孕可能是一个刺激因素。剖宫产时可以安全地进行子宫肌瘤切除术。
    Meigs syndrome is a classic triad of ascites, pleural effusions, and an ovarian fibroma with resolution following excision. Pseudo-Meigs syndrome presents similarly but is caused by a pelvic mass other than an ovarian fibroma, such as a fibroid. We present a case report of a 33-year-old gravida 2 para 0-0-1-0 woman with a massive, pedunculated fibroid who developed rapid onset of ascites and edema beginning at 5 weeks of gestation. Malignant, cardiac, renal, hepatic, and rheumatologic causes were ruled out. Her symptoms resolved following myomectomy and delivery via cesarean. Pseudo-Meigs syndrome was suspected. Pseudo-Meigs syndrome is a diagnosis of exclusion and requires surgical management for resolution. Pregnancy may be an inciting factor. Myomectomy may be done safely at the time of cesarean.
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  • 文章类型: Case Reports
    子宫肌瘤变性是怀孕期间腹痛的罕见原因。它会在怀孕期间引起并发症,包括胎盘早剥,胎儿生长受限,和早产。粘液样变性是纤维瘤变性的不寻常形式。我们介绍了一个38岁女性的案例,G1P0,在妊娠13周时,由于腹痛和阑尾炎的担忧,应产科医生的要求到急诊科就诊。诊断为粘液样变性。患者接受了镇痛药治疗,出院后继续在门诊治疗。
    Uterine fibroid degeneration is a rare cause of abdominal pain during pregnancy. It can cause complications during pregnancy, including placental abruption, fetal growth restriction, and preterm delivery. Myxoid degeneration is an unusual form of fibroid degeneration. We present a case of a 38-year-old female, G1P0, who presented at 13 weeks gestation to the emergency department at the request of her obstetrician due to abdominal pain with concern about appendicitis. A diagnosis of myxoid degeneration was made. The patient was treated with analgesics and discharged to continue her management in the outpatient setting.
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  • 文章类型: Journal Article
    目的是评估B-Lynch缝线在开放性子宫肌瘤切除术后的止血效果。
    在这项前瞻性临床研究中,在阿拉扎尔大学医院(Al-Hussain,Damietta,Assiut)和Minia大学妇产医院,计划在2021年1月至2023年1月之间进行开放式子宫肌瘤切除术的250名妇女患有多个子宫肌瘤,子宫大小为12-22周。有两组妇女。I组(125)接受了标准的开放性子宫肌瘤切除术,而II组(125)接受了正常的开腹手术,然后进行了B-Lynch缝合。某些纳入和排除标准适用于每位患者。我们记录了重要数据,程序的长度,并发症(手术过程中出血,多次咬伤出血,膀胱损伤,发烧,伤口感染),手术前后的全血细胞计数,需要输血,术后生命数据,时间,直到步行,通过肠胃气胀,以及进食和饮水的能力,以及手术期间和之后的失血量。
    两组在年龄上无统计学差异,奇偶校验,体重,肌瘤的数量,或通过超声检查测量的子宫大小。在第一组和第二组之间,术中平均失血量有显著差异(第一组失血量为562.6ml,而II组损失了411.3ml)以及手术后的平均失血量(I组205±82ml,II组117±41ml)。I组和II组的平均住院时间没有显着差异(2±0.3天和2±0.6天,分别)。
    使用B-Lynch缝合线可以帮助减少开放性子宫肌瘤切除术期间和之后的失血量。因此,如果子宫很大并且有很多肌瘤,建议经常做。
    UNASSIGNED: The aim was to assess the hemostatic impact of B-Lynch sutures following an open myomectomy for efficacy.
    UNASSIGNED: In this prospective clinical research, performed in Alazhar university hospitals (Al-Hussain, Damietta, Assiut) and Minia University Maternity Hospital, 250 women scheduled for open myomectomy between January 2021 and January 2023 had multiple fibroid uteri with uterine sizes corresponding to 12-22 weeks. There were two groups of women. Group I (125) underwent standard open myomectomy surgery, whereas Group II (125) underwent normal open laparotomy surgery followed by B-Lynch sutures. Certain inclusion and exclusion criteria were applied to every patient. We recorded vital data, length of the procedure, complications (bleeding during the procedure, bleeding from multiple bites, bladder injury, fever, wound infection), complete blood count before and after surgery, need for blood transfusion, postoperative vital data, time until ambulation, passing flatus, and ability to eat and drink, as well as the amount of blood lost during and after the procedure.
    UNASSIGNED: There was no statistically significant difference between the two groups in age, parity, weight, number of fibroids, or uterine size as measured by ultrasonography. Between groups I and II, there was a significant difference in the average intraoperative blood loss (Group I lost 562.6 ml, whereas Group II lost 411.3 ml) as well as the mean blood loss following surgery (205 ±82 ml in Group I and 117 ±41 ml in Group II). No significant difference was observed in the mean length of hospital stay between groups I and II (2 ±0.3 days and 2 ±0.6 days, respectively).
    UNASSIGNED: Using a B-Lynch suture can help minimize blood loss during and after an open myomectomy. Therefore, if the uterus is large and has a lot of fibroids, it is recommended to be done frequently.
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  • 文章类型: Case Reports
    背景:膀胱间质瘤是良性但罕见的,约占所有膀胱肿瘤的1%。
    方法:我们报告一例无症状的大型膀胱平滑肌瘤。在妇科诊所的一次检查中,在床旁超声扫描中偶然发现了一个大的盆腔肿块。术中,骨盆没有发现肿块,膀胱镜检查显示膀胱内肿块。用膀胱镜检查进一步评估。MR成像显示了膀胱平滑肌瘤的典型特征。随后,患者接受了膀胱部分切除术,质量被移除,组织学证明是平滑肌瘤。
    结论:认识到这种罕见的临床实体并在MR成像中识别其典型的放射学特征有助于准确诊断并排除不必要的根治性手术。
    BACKGROUND: Mesenchymal tumours of the bladder are benign but rare occurrences and represent approximately 1% of all bladder tumours.
    METHODS: We report a case of a large bladder leiomyoma in an asymptomatic patient. A large pelvic mass was discovered incidentally on the bedside ultrasound scan during a review at the gynecology clinic. Intra-operatively, no mass was seen in the pelvis, and cystoscopy demonstrated an intravesical mass. It was further evaluated with cystoscopy. MR imaging demonstrated typical features of a bladder leiomyoma. Subsequently, the patient underwent partial cystectomy, and the mass was removed, which was histologically proven leiomyoma.
    CONCLUSIONS: Awareness of this rare clinical entity and identification of its typical radiological features on MR imaging can aid with accurate diagnosis and preclude unnecessary radical surgery.
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  • 文章类型: Journal Article
    子宫平滑肌瘤,通常被称为肌瘤,是在子宫肌肉壁中发展的良性肿瘤。这些生长是非癌性的,并且可以改变大小,从微小的结节到较大的肿块。子宫平滑肌瘤通常发生在女性的生育期,并可导致大量月经出血等症状,盆腔疼痛,和对附近器官的压力。虽然确切的原因还不完全清楚,荷尔蒙因素,特别是雌激素和孕激素,被认为在他们的发展中发挥作用。多年来,对遗传变异与子宫平滑肌瘤之间联系的探索一直引起科学关注。调查的结果仍然是科学界感兴趣的话题。迄今为止,关于单核苷酸多态性(SNP)与子宫平滑肌瘤之间关系的发现显示出一些不一致。然而,在这些不一致之处,已经出现了一些有希望的结果,这些结果具有塑造未来研究工作的潜力。这些有希望的线索可以为开发创新的靶向疗法和新型预后生物标志物铺平道路。这篇评论特别集中于强调有关遗传变异的现有文献数据,这些遗传变异已被探索与子宫平滑肌瘤的潜在联系。此外,它强调了利用遗传变异作为诊断和预测子宫平滑肌瘤个体的生物标志物的前景.
    Uterine leiomyoma, commonly referred to as fibroids, is a benign tumor that develops in the muscular wall of the uterus. These growths are non-cancerous and can vary in size, ranging from tiny nodules to larger masses. Uterine leiomyomas often occur during a woman\'s reproductive years and can lead to symptoms such as heavy menstrual bleeding, pelvic pain, and pressure on nearby organs. While the exact cause is not fully understood, hormonal factors, particularly estrogen and progesterone, are believed to play a role in their development. The exploration of connections between genetic variants and uterine leiomyoma has captivated scientific attention for numerous years. The results from investigations remain a subject of intrigue within the scientific community. To date, the findings regarding the relationships between single nucleotide polymorphisms (SNPs) and uterine leiomyoma have exhibited some inconsistencies. However, amidst these inconsistencies, several promising outcomes have emerged that hold the potential to shape future research endeavors. These promising leads could pave the way for the development of innovative targeted therapies and novel prognostic biomarkers. This review specifically centers on accentuating the existing literature data concerning genetic variants that have been explored for their potential connections to uterine leiomyoma. Additionally, it underscores the prospects of employing genetic variations as diagnostic and prognostic biomarkers for individuals diagnosed with uterine leiomyoma.
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