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Uterine Leiomyomas

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https://www.readbyqxmd.com/read/28631712/-the-molecular-mechanisms-and-morphological-manifestations-of-leiomyoma-reduction-induced-by-selective-progesterone-receptor-modulators
#1
T A Demura, Z V Revazova, E A Kogan, L V Adamyan
AIM: to investigate the molecular mechanisms and morphological substrate of reduced uterine leiomyoma in patients receiving the selective progesterone receptor modulator (SPRM) ulipristal acetate for 3 months, by estimating the immunohistochemical expression of the markers steroid receptor coactivator 1 (SRC-1), nuclear receptor corepressor 1 (NCoR-1), ER, PgR, Ki-67, p16, TGF-β, and VEGF in tumor tissue. SUBJECTS AND METHODS: The investigation enrolled 75 women with uterine leiomyoma, menorrhagias, and anemia...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28623982/clinical-characteristics-and-prognostic-features-of-intravenous-leiomyomatosis-with-inferior-vena-cava-or%C3%A2-intracardiac-extension
#2
Guorui Zhang, Xin Yu, Honghui Shi, Qingbo Fan, Jinghe Lang, Bao Liu
OBJECTIVE: The aim of this study was to explore the clinical characteristics and prognostic features of intravenous leiomyomatosis (IVL) with inferior vena cava extension (IVCE) or intracardiac extension (ICE). METHODS: A retrospective analysis was conducted of the clinical data of 38 patients with pathologically diagnosed IVL with IVCE or ICE. RESULTS: The mean age of the patients was 44.05 ± 6.31 years. Twenty-two patients (57.9%) had a history of uterine leiomyoma...
July 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28621321/bcor-is-a-robust-diagnostic-immunohistochemical-marker-of-genetically-diverse-high-grade-endometrial-stromal-sarcoma-including-tumors-exhibiting-variant-morphology
#3
Sarah Chiang, Cheng-Han Lee, Colin J R Stewart, Esther Oliva, Lien N Hoang, Rola H Ali, Martee L Hensley, Javier A Arias-Stella, Denise Frosina, Achim A Jungbluth, Ryma Benayed, Marc Ladanyi, Meera Hameed, Lu Wang, Yu-Chien Kao, Cristina R Antonescu, Robert A Soslow
Recognition of high-grade endometrial stromal sarcoma is important because of its aggressive clinical behavior. Morphologic features of YWHAE-NUTM2 high-grade endometrial stromal sarcoma may overlap with other uterine sarcoma types. BCOR immunoexpression was studied in these tumors and their morphologic mimics to assess its diagnostic utility. BCOR immunohistochemical staining was performed on archival tissue from 28 high-grade endometrial stromal sarcomas with classic morphology (20 YWHAE-NUTM2, 5 ZC3H7B-BCOR, 3 BCOR-ZC3H7B), 3 high-grade endometrial stromal sarcomas with unusual morphology and unknown gene rearrangement status, 66 low-grade endometrial stromal sarcomas, 21 endometrial stromal nodules, 38 uterine leiomyosarcomas, and 19 uterine leiomyomas...
June 16, 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28620008/pten-dicer1-fh-and-their-associated-tumor-susceptibility-syndromes-clinical-features-genetics-and-surveillance-recommendations-in-childhood
#4
REVIEW
Kris Ann P Schultz, Surya P Rednam, Junne Kamihara, Leslie Doros, Maria Isabel Achatz, Jonathan D Wasserman, Lisa R Diller, Laurence Brugières, Harriet Druker, Katherine A Schneider, Rose B McGee, William D Foulkes
PTEN hamartoma tumor syndrome (PHTS), DICER1 syndrome, and hereditary leiomyomatosis and renal cell cancer (HLRCC) syndrome are pleiotropic tumor predisposition syndromes that include benign and malignant neoplasms affecting adults and children. PHTS includes several disorders with shared and distinct clinical features. These are associated with elevated lifetime risk of breast, thyroid, endometrial, colorectal, and renal cancers as well as melanoma. Thyroid cancer represents the predominant cancer risk under age 20 years...
June 15, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28612548/-clinical-value-of-prophylactic-salpingectomy-in-hysterectomy-due-to-uterine-benign-lesions
#5
Ling-Jun Zhao, Ping Wang, Xiu-Ying Li
OBJECTIVES: To explore the clinical value of resection of bilateral fallopian tubes in patients with benign uterine diseases who received (laparoscopic) hysterectomy or subhysterectomy through the postoperative pathologic analysis of resected fallopian tubes. METHODS: A retrospective analysis was conducted to review the histopathological examination results in 1 272 women who underwent (laparoscopic) total hysterectomy or subtotal hysterectomy and the removal of bilateral fallopian tube simultaneously due to uterine leiomyoma, adenomyosis and other benign lesions from December 2010 to December 2015...
March 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28609585/immunoexpression-of-p16-in-uterine-leiomyomas-with-infarct-type-necrosis-an-analysis-of-35-cases
#6
Philip P C Ip, Diana Lim, Annie N Y Cheung, Esther Oliva
AIMS: Uterine leiomyosarcomas frequently show p16 immunoexpression. However, p16 may also be expressed in some benign leiomyoma variants such as leiomyomas with bizarre nuclei and cellular leiomyomas, limiting its utility as a biomarker to distinguish between benign and malignant neoplasms. We investigated p16 expression in leiomyomas with infarct-type necrosis, tumours which may sometimes be misinterpreted as smooth muscle tumors of uncertain malignant potential or even leiomyosarcoma on conventional light microscopy...
June 13, 2017: Histopathology
https://www.readbyqxmd.com/read/28609115/molecular-targets-of-dietary-phytochemicals-for-possible-prevention-and-therapy-of-uterine-fibroids-focus-on-fibrosis
#7
Md Soriful Islam, Most Mauluda Akhtar, James H Segars, Mario Castellucci, Pasquapina Ciarmela
Uterine fibroids (myomas or leiomyomas) are common benign tumors of reproductive aged women. Fibroids are clinically apparent in 20-50% of women, and cause abnormal uterine bleeding, abdominal pain and discomfort, pregnancy complications and infertility. Unfortunately, limited numbers of medical treatment are available but no effective preventive strategies exist. Moreover, the benefits of medical treatments are tempered by lack of efficacy or serious adverse side effects. Fibrosis has recently been recognized as a key pathological event in leiomyoma development and growth...
November 22, 2017: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/28605821/abnormal-uterine-bleeding
#8
Cristina Laguna Benetti-Pinto, Ana Carolina Japur de Sá Rosa-E-Silva, Daniela Angerame Yela, José Maria Soares Júnior
Abnormal uterine bleeding is a frequent condition in Gynecology. It may impact physical, emotional sexual and professional aspects of the lives of women, impairing their quality of life. In cases of acute and severe bleeding, women may need urgent treatment with volumetric replacement and prescription of hemostatic substances. In some specific cases with more intense and prolonged bleeding, surgical treatment may be necessary. The objective of this chapter is to describe the main evidence on the treatment of women with abnormal uterine bleeding, both acute and chronic...
June 12, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28600036/effects-of-liver-depression-and-psychological-stress-on-human-uterine-leiomyoma-cells-by-an-ar-camp-pka-signal-transduction-pathway
#9
Tian Xia, Shuang Li, Ruihong Ma, Sufen Guan, Jiacui Li, Hongqin Li, Hexin Zhang, Qiu Lin, Zhimei Zhao, Baojuan Wang
OBJECTIVE: Based on the emotional theory of Traditional Chinese Medicine, and combined with the modern medicine theory of psychological stress, a research model of human uterine leiomyoma cells (ULM) was cultured in vitro to determine the effectiveness of adrenergic receptor (AR) agonists in human ULM cell growth. In addition, we studied the functional influence of "liver depression and psychological stress theory" on fibroid formation by intervening in the AR-cAMP-PKA signaling pathway...
June 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28599883/uterine-sparing-laparoscopic-resection-of-accessory-cavitated-uterine-masses
#10
Ann Peters, Noah B Rindos, Richard S Guido, Nicole M Donnellan
To demonstrate surgical techniques utilized during uterine-sparing laparoscopic resections of accessory cavitated uterine masses (ACUM) BACKGROUND: ACUM represent a rare uterine entity observed in premenopausal women suffering from dysmenorrhea and recurrent pelvic pain. The diagnosis is made when an isolated extra-cavitated uterine mass is resected from an otherwise normal appearing uterus with unremarkable endometrial lumen and adnexal structures. Pathologic confirmation requires an accessory cavity lined with endometrial epithelium (and corresponding glands and stroma) filled with chocolate-brown fluid...
June 6, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28591699/genetic-heterogeneity-in-leiomyomas-of-deep-soft-tissue
#11
Ioannis Panagopoulos, Ludmila Gorunova, Marta Brunetti, Antonio Agostini, Hege Kilen Andersen, Ingvild Lobmaier, Bodil Bjerkehagen, Sverre Heim
Leiomyoma of deep soft tissue is a rare type of benign smooth muscle tumor that mostly occurs in the retroperitoneum or abdominal cavity of women, and about which very little genetic information exists. In the present study, eight leiomyomas of deep soft tissue were genetically analyzed. G-banding showed that three tumors carried rearrangements of the long arm of chromosome 12, three others had 8q rearrangements, the 7th tumor had deletion of the long arm of chromosome 7, del(7)(q22), and the 8th had aberrations of chromosome bands 3q21~23 and 11q21~22...
May 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28584568/hypovolemic-shock-and-hemoperitoneum-from-spontaneous-avulsion-of-a-large-pedunculated-uterine-leiomyoma
#12
Daniel J Mizrahi, Chhavi Kaushik, Robert Adamo
Hemoperitoneum with hypovolemic shock from avulsion of a pedunculated leiomyoma is a rare but highly fatal condition that can occur spontaneously or as a result of trauma. We report a case of hemoperitoneum and hypovolemic shock secondary to a bleeding leiomyoma detected via computed tomography (CT) scan in a 39 year old premenopausal, gravida 0 female that presented with abdominal pain and became hemodynamically unstable in the emergency department. A preoperative bimanual exam revealed a mass consistent with a 20 week gestational uterus...
March 2017: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/28580061/disseminated-peritoneal-leiomyomatosis-status-post-laparoscopic-hysterectomy-with-morcellation
#13
Neil Anand, Marci Handler, Ahsan Khan, Allison Wagreich, Sean Calhoun
Uterine leiomyomas (fibroids) are common benign neoplasms, which develop from the muscular tissue of the uterus with an estimated incidence of 20-40% in women of reproductive age. In the early nineties, power morcellators were introduced and became commonly used during hysterectomy for symptomatic fibroids. However, if all fragments are not removed, they may parasitize to other blood supply and present as abdominal or pelvic masses. Unfortunate cases have also been reported in which uterine sarcomas seeded throughout the abdomen and pelvis secondary to morcellation...
December 2016: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/28558836/extraction-of-a-specimen-through-an-umbilical-zigzag-incision-during-laparoscopic-surgery-for-endometrial-cancer
#14
Kazuyoshi Kato, Tsuyoshi Hisa, Maki Matoda, Hidetaka Nomura, Hiroyuki Kanao, Kuniko Utsugi, Nobuhiro Takeshima
BACKGROUND: Though laparoscopic surgery has recently been applied in the treatment of early-stage endometrial cancer, the presence of a large uterus is a hindrance to specimen extraction from the abdominal cavity. We describe a laparoscopic surgical technique for endometrial cancer involving the extraction of the resected specimen through an umbilical zigzag incision. CASE PRESENTATION: A 63-year-old woman with endometrial cancer underwent a total hysterectomy and bilateral salpingo-oophorectomy that was performed laparoscopically...
May 30, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28540360/epithelioid-angiosarcoma-arising-in-a-uterine-leiomyoma-with-associated-elevated-ca-125-a-case-report
#15
Sarah V Strickland, Mark R Kilgore, Elise J Simons, Mara H Rendi
We describe the case of a 67 year old female with longstanding uterine leiomyomas who presented with fatigue, weight loss, elevated CA-125 and an enlarging mass arising from the posterior uterine fundus. Histologic sections of the mass contained a leiomyoma with interspersed foci of malignant epithelioid cells forming anastomosing vascular channels. The neoplastic cells were diffusely positive for CD31 and FLI1, supporting the morphologic impression of epithelioid angiosarcoma. Few cases of epithelioid angiosarcoma arising within a leiomyoma have been described...
August 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28536870/benign-metastasizing-leiomyomas-following-myomectomy-and-uterine-artery-embolization
#16
Jessica Yoon, James B Spies, Theresa M Caridi
Benign metastasizing leiomyomas (BMLs) are rare sequelae of common uterine leiomyomas and most frequently found in the lungs. Most cases of BMLs occur with a history of prior gynecologic procedures; however, none have yet been reported in association with uterine artery embolization (UAE). This case report highlights the disease course for a 48-yo female with a history of both myomectomy and UAE for uterine fibroids who presented later with bilateral pulmonary BMLs. Though the pathophysiology of BMLs is poorly understood and this case is confounded by prior myomectomy, it does bring into question whether UAE has a role in BML development...
May 23, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28533481/massively-parallel-sequencing-and-genome-wide-copy-number-analysis-revealed-a-clonal-relationship-in-benign-metastasizing-leiomyoma
#17
Ren-Chin Wu, An-Shine Chao, Li-Yu Lee, Gigin Lin, Shu-Jen Chen, Yen-Jung Lu, Huei-Jean Huang, Chi-Feng Yen, Chien Min Han, Yun-Shien Lee, Tzu-Hao Wang, Angel Chao
Benign metastasizing leiomyoma (BML) is a rare disease entity typically presenting as multiple extrauterine leiomyomas associated with a uterine leiomyoma. It has been hypothesized that the extrauterine leiomyomata represent distant metastasis of the uterine leiomyoma. To date, the only molecular evidence supporting this hypothesis was derived from clonality analyses based on X-chromosome inactivation assays. Here, we sought to address this issue by examining paired specimens of synchronous pulmonary and uterine leiomyomata from three patients using targeted massively parallel sequencing and molecular inversion probe array analysis for detecting somatic mutations and copy number aberrations...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28521489/identification-of-proteins-with-different-abundance-associated-with-cell-migration-and-proliferation-in-leiomyoma-interstitial-fluid-by-proteomics
#18
Blendi Ura, Federica Scrimin, Cinzia Franchin, Giorgio Arrigoni, Danilo Licastro, Lorenzo Monasta, Giuseppe Ricci
Uterine leiomyoma is the most common female reproductive tract benign tumor. Little is known about protein composition and changes in the leiomyoma interstitial fluid (IF). The present study focused on changes in protein abundance in the IF of leiomyoma. Leiomyoma IFs and adjacent myometrial IFs were obtained and analyzed by two-dimensional electrophoresis (2-DE) coupled with mass spectrometry and western blotting for 2-DE data validation. A total of 25 unique proteins were observed to change significantly (P<0...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28511460/cuff-closure-by-vaginal-route-in-tlh-case-series-and-review-of-literature
#19
Huseyin Aydogmus, Serpil Aydoğmuş, Servet Gençdal, Sefa Kelekçi
Total Laparoscopic Hysterectomy (TLH) represents one of the most performed gynaecological procedures nowadays. The closure of the vaginal cuff is the most diffucult part of TLH because of the difficulty of laparoscopic suturing techniques. Our aim was to evaluate the efficacy and safety of vaginal cuff closure by vaginal route on patients submitted to TLH. During the period between January 2013 to December 2015 total number of 64 laparoscopic hysterectomy were performed in our clinic. TLH and vaginal vault closure was performed as described by Ghezzi for all patients...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28508254/comparison-of-pain-within-24%C3%A2-h-after-uterine-artery-embolization-with-tris-acryl-gelatin-microspheres-versus-gelatin-sponge-particles-for-leiomyoma
#20
Tetsuya Katsumori, Hisatomi Arima, Shunsuke Asai, Natsuko Hayashi, Hiroshi Miura
PURPOSE: To compare acute pain after uterine artery embolization (UAE) with tris-acryl gelatin microspheres (TAGM) versus gelatin sponge particles (GS) for leiomyoma. MATERIALS AND METHODS: This was a single-institution, retrospective study. Between July 2008 and November 2016, 101 consecutive patients with symptomatic uterine leiomyoma underwent UAE with the same protocol for post-procedural pain. GS was employed with near-stasis endpoint for the first 49 patients, whereas TAGM was used with limited endpoint for the next 52 patients...
May 15, 2017: Cardiovascular and Interventional Radiology
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