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Leiomyosarcoma

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https://www.readbyqxmd.com/read/28533836/primary-leiomyosarcoma-of-thyroid-gland-the-youngest-case
#1
Mouna Ayadi, Azza Gabsi, Khdija Meddeb, Amina Mokrani, Yosra Yahiaoui, Feryel Letaief, Nesrine Chraiet, Henda Rais, Amel Mezlini
Primary leiomyosarcomas of the thyroid gland are extremely rare. We report a case of a 32 year-old women with a multinodular goiter. She underwent total thyroidectomy. The tumor histology showed spindle-shaped cells that expressed desmine, caldesmone and smooth muscle actine but were negative cytokeratins.
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28525631/primary-leiomyosarcoma-of-inferior-vena-cava-adjacent-to-hepatic-veins-complete-off-pump-resection-and-inferior-vena-cava-graft-reconstruction-with-application-of-external-skin-surface-cooling
#2
Michael Malyshev, Sergey Zotov, Anton Malyshev, Andrey Rostovykh
OBJECTIVES: Resection of a leiomyosarcoma of the inferior vena cava (IVC) requires venovenous bypass, especially if IVC clamping above the hepatic veins is planned. This report describes the application of external skin surface cooling for off-pump resection of a primary IVC leiomyosarcoma adjacent to the hepatic veins with graft IVC reconstruction in conditions of suprahepatic caval clamping and uninterrupted Pringle's manoeuvre. METHODS: A 62-year-old woman presented with IVC leiomyosarcoma adjacent to the hepatic veins...
May 19, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28514723/genomic-profiling-of-pelvic-genital-type-leiomyosarcoma-in-a-woman-with-a-germline-chek2-c-1100delc-mutation-and-a-concomitant-diagnosis-of-metastatic-invasive-ductal-breast-carcinoma
#3
My Linh Thibodeau, Caralyn Reisle, Eric Zhao, Lee Ann Martin, Yazeed Alwelaie, Karen L Mungall, Carolyn Ch'ng, Ruth Thomas, Tony Ng, Stephen Yip, Howard Lim, Sophie Sun, Sean S Young, Aly Karsan, Yongjun Zhao, Andrew J Mungall, Richard A Moore, Daniel Renouf, Karen Gelmon, Yussanne P Ma, Malcolm Hayes, Janessa Laskin, Marco A Marra, Kasmintan A Schrader, Steven J M Jones
INTRODUCTION: We describe a woman with the known pathogenic germline variant CHEK2:c.1100delC and synchronous diagnoses of both pelvic genital type leiomyosarcoma and metastatic invasive ductal breast carcinoma. CHEK2 (checkpoint kinase 2) is a tumour suppressor gene encoding a serine/threonine-protein kinase (CHEK2) involved in double-strand DNA break repair and cell cycle arrest. The CHEK2:c.1100delC variant is a moderate penetrance allele resulting in an approximate 2-fold increase in breast cancer risk...
May 16, 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/28509807/treatment-of-retroperitoneal-sarcoma-current-standards-and-new-developments
#4
Winan J van Houdt, Shane Zaidi, Christina Messiou, Khin Thway, Dirk C Strauss, Robin L Jones
PURPOSE OF REVIEW: Retroperitoneal sarcomas are rare tumors and with complex treatment. In this manuscript we give an overview of current standards in treatment of this disease and discuss new developments. RECENT FINDINGS: Surgery with complete resection of the primary tumor is still the only curative modality. The role of preoperative radiotherapy is not clear and is currently being investigated in a clinical trial. Neo-adjuvant chemotherapy is not the standard of care but can be considered occasionally when complete resection is uncertain...
May 13, 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28509136/primary-hepatic-leiomyosarcoma-in-a-patient-with-autosomal-dominant-polycystic-kidney-disease
#5
Takashi Iida, Tamaki Maeda, Yoshifumi Amari, Takatomi Yurugi, Yoshitane Tsukamoto, Fumitaka Nakajima
Primary hepatic leiomyosarcoma is an extremely rare tumor. The diagnosis is difficult, and its etiologic factors have not been clarified. A 63-year-old woman with numerous cysts in her kidneys and liver was diagnosed with autosomal dominant polycystic kidney disease (ADPKD). Several members of her family also had ADPKD. She underwent treatment with tolvaptan to inhibit cyst growth and slow the decline in kidney function. Eight months after the start of the therapy, she was hospitalized with fatigue and fever of unknown origin...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28508030/incidental-leiomyosarcoma-found-at-the-time-of-cesarean-hysterectomy-for-morbidly-adherent-placenta
#6
Lauren C Hand, Alexis C Gimovsky, Joanna S Y Chan, Norman G Rosenblum, Christine H Kim
BACKGROUND: Incidental leiomyosarcoma (LMS) is a rare diagnosis in pregnancy or in the puerperium. To our knowledge, this is the first case reported in the literature of incidental LMS after cesarean hysterectomy for morbidly adherent placenta. CASE: We present a case of a cesarean hysterectomy performed for a suspected morbidly adherent placenta in a patient with three prior cesarean deliveries, an anterior placenta previa and a fundal fibroid. Subsequent pathology identified a LMS on final specimen...
May 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28505003/the-adequacy-of-core-biopsy-in-the-assessment-of-smooth-muscle-neoplasms-of-soft-tissues-implications-for-treatment-and-prognosis
#7
Nina Schneider, Dirk C Strauss, Myles J Smith, Aisha B Miah, Shane Zaidi, Charlotte Benson, Winan J van Houdt, Robin L Jones, Andrew J Hayes, Cyril Fisher, Khin Thway
The grading of soft tissue sarcomas is one of the most important prognostic factors and determines patient management. Although grading of most adult-type soft tissue sarcomas on biopsies correlates highly with the final grading on the excision specimen, it appears less reliable for tumors of smooth muscle. We assessed the pathologic findings for smooth muscle neoplasms diagnosed by core biopsy at our tertiary sarcoma center, and compared them with those in the subsequent excision specimens. A total of 100 patients with leiomyosarcoma first diagnosed on core biopsy and with a subsequent excision were identified and the accuracy of the biopsy grade determined by comparison with the excision grade...
May 12, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28499583/histotype-tailored-neoadjuvant-chemotherapy-versus-standard-chemotherapy-in-patients-with-high-risk-soft-tissue-sarcomas-isg-sts-1001-an-international-open-label-randomised-controlled-phase-3-multicentre-trial
#8
Alessandro Gronchi, Stefano Ferrari, Vittorio Quagliuolo, Javier Martin Broto, Antonio Lopez Pousa, Giovanni Grignani, Umberto Basso, Jean-Yves Blay, Oscar Tendero, Robert Diaz Beveridge, Virginia Ferraresi, Iwona Lugowska, Domenico Franco Merlo, Valeria Fontana, Emanuela Marchesi, Davide Maria Donati, Elena Palassini, Emanuela Palmerini, Rita De Sanctis, Carlo Morosi, Silvia Stacchiotti, Silvia Bagué, Jean Michelle Coindre, Angelo Paolo Dei Tos, Piero Picci, Paolo Bruzzi, Paolo Giovanni Casali
BACKGROUND: Previous trials from our group suggested an overall survival benefit with five cycles of adjuvant full-dose epirubicin plus ifosfamide in localised high-risk soft-tissue sarcoma of the extremities or trunk wall, and no difference in overall survival benefit between three cycles versus five cycles of the same neoadjuvant regimen. We aimed to show the superiority of the neoadjuvant administration of histotype-tailored regimen to standard chemotherapy. METHODS: For this international, open-label, randomised, controlled, phase 3, multicentre trial, patients were enrolled from 32 hospitals in Italy, Spain, France, and Poland...
May 9, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28498251/undiagnosed-uterine-sarcomas-identified-during-surgery-for-presumed-leiomyoma-at-a-national-tertiary-hospital-in-thailand-a-10-year-review
#9
Irene Ruengkhachorn, Nisarat Phithakwatchara, Katika Nawapun, Suchanan Hanamornroongruang
OBJECTIVES: The aim of this study was to evaluate the rate, clinical characteristics, and survival outcomes of an undiagnosed uterine malignancy in patients who underwent surgical treatment for presumed leiomyomas. METHODS: Medical records of patients who underwent surgical treatment for presumed leiomyomas, from January 2004 to September 2013, were retrospectively reviewed, and the data were followed until September 2016. Demographic data, tumor characteristics, oncologic treatment, and response rate were analyzed by descriptive statistics...
June 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28493803/soft-tissue-sarcomas-of-the-abdomen-and-pelvis-radiologic-pathologic-features-part-2-uncommon-sarcomas
#10
Angela D Levy, Maria A Manning, Markku M Miettinen
Soft-tissue sarcomas occurring in the abdomen and pelvis are an uncommon but important group of malignancies. Recent changes to the World Health Organization classification of soft-tissue tumors include the movement of gastrointestinal stromal tumors (GISTs) into the soft-tissue tumor classification. GIST is the most common intraperitoneal sarcoma. Liposarcoma is the most common retroperitoneal sarcoma, and leiomyosarcoma is the second most common. GIST, liposarcoma, and leiomyosarcoma account for the majority of sarcomas encountered in the abdomen and pelvis and are discussed in part 1 of this article...
May 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28490698/-diagnosis-and-differential-diagnosis-for-solitary-fibrous-tumor-in-the-abdomen-and-pelvis-by-ct
#11
Huaping Liu, Wenzheng Li, Xiaoping Yi, Yigang Pei, Hui Liu, Wei Zhao, Wenguang Liu, Jiale Hou, Obin Ghimire
To study the CT features for solitary fibrous tumor (SFT) in the abdomen and pelvis and to improve the diagnostic accuracy.
 Methods: Fourteen patients with SFT were collected in our hospital from January, 2011 to December, 2015. Characteristic of images were analyzed and compared for 10 SFT, which located outside the abdominal organs with extragastrointestinal stromal tumors (EGIST), leiomyosarcoma, and schwannoma.
 Results: Necrosis and cystic formation were frequently present in SFT in the abdomen and pelvis...
April 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28490045/uterine-inflammatory-myofibroblastic-tumors-frequently-harbor-alk-fusions-with-igfbp5-and-thbs1
#12
Josh D Haimes, Colin J R Stewart, Brian A Kudlow, Brady P Culver, Bo Meng, Eleanor Koay, Ann Whitehouse, Nichola Cope, Jen-Chieh Lee, Tony Ng, W Glenn McCluggage, Cheng-Han Lee
Inflammatory myofibroblastic tumor (IMT) can occur in a number of anatomic sites, including the uterus. Like its soft tissue counterpart, uterine IMT frequently expresses ALK and harbors ALK genetic rearrangements. The aim of this study is to fully characterize the genetic fusions that occur in uterine IMT. We studied 11 uterine IMTs with typical histology and 8 uterine myxoid smooth muscle tumors (5 leiomyomas, 1 smooth muscle tumor of uncertain malignant potential, and 2 leiomyosarcomas) in which the differential of IMT was considered, using a RNA-sequencing-based fusion assay to detect genetic fusions involving ALK, ROS1, RET, NTRK1/3, and other genes...
June 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28484655/tumors-sharply-increased-after-ceasing-pazopanib-therapy-for-a-patient-with-advanced-uterine-leiomyosarcoma-experience-of-tumor-flare
#13
Terumi Tanigawa, Shintaro Morisaki, Hisanobu Fukuda, Shuichiro Yoshimura, Hisayoshi Nakajima, Kohei Kotera
Pazopanib has activity in patients with soft-tissue sarcoma. We report an advanced uterine leiomyosarcoma case that suddenly worsened after cessation of pazopanib therapy. A 47-year-old woman had a primary uterine leiomyosarcoma tumor and multiple lung metastases, which progressed during her initial treatment. In subsequent treatment with pazopanib for 3 months, the sum of her tumor diameters after cessation sharply increased for two weeks. Symptoms such as dyspnea suddenly worsened also. She died of the disease one month after cessation of pazopanib therapy...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28482675/a-novel-diagnostic-biomarker-for-human-uterine-leiomyosarcoma-psmb9-%C3%AE-1i
#14
Takuma Hayashi, Miki Kawano, Kenji Sano, Tomoyuki Ichimura, Gal Gur, Pnina Yaish, Dorit Zharhary, Yae Kanai, Susumu Tonegawa, Tanri Shiozawa, Nobuo Yaegashi, Ikuo Konishi
No abstract text is available yet for this article.
April 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28475508/primary-cutaneous-leiomyosarcoma-arising-in-a-patient-with-li-fraumeni-syndrome-a-neoplasm-with-unusual-histopathologic-features-and-loss-of-heterozygosity-at-tp53-gene
#15
Vicente Sabater-Marco, Francisco Ferrando-Roca, Arturo Morera-Faet, José Angel García-García, Sandra B Bosch, José A López-Guerrero
No abstract text is available yet for this article.
April 25, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28471132/a-rare-case-of-leiomyosarcoma-originating-from-the-left-round-ligament-of-the-uterus
#16
Metin Kaba, Aytekin Tokmak, Hakan Timur, Bülent Özdal, Levent Şirvan, Tayfun Güngör
Uterine leiomyosarcomas (LMS) are rare malignancies with a poor prognosis. The incidence is reported to be 3-7/100.000 per year. Preoperative and intraoperative differentiation between LMS and large leiomyoma is always challenging. Therefore, LMS are often diagnosed during postoperative histologic evaluation of hysterectomy or myomectomy specimens. LMS of the round ligament of the uterus which can represent as an inguinal or pelvic mass is extremely rare. To our knowledge, there is only one case report of LMS arising from the round ligament available in the literature...
July 2016: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/28469124/right-atrial-extension-of-a-giant-retroperitoneal-leiomyosarcoma
#17
Sonal Saran, Pushpinder Singh Khera, Parul Gautam, Poonam Elhence
Leiyomyosarcoma of vascular origin is uncommonly seen but mostly occurring in the inferior vena cava. We report a case of young male who presented with giant retroperitoneal leiyomyosarcoma which extended into the right atrium along Inferior vena cava.
April 2017: Annals of African Medicine
https://www.readbyqxmd.com/read/28463949/characterization-and-preoperative-risk-analysis-of-leiomyosarcomas-at-a-high-volume-tertiary-care-center
#18
Ann Peters, Amanda M Sadecky, Daniel G Winger, Richard S Guido, Ted T M Lee, Suketu M Mansuria, Nicole M Donnellan
INTRODUCTION: Uterine morcellation in minimally invasive surgery has recently come under scrutiny because of inadvertent dissemination of malignant tissue, including leiomyosarcomas commonly mistaken for fibroids. Identification of preoperative risk factors is crucial to ensure that oncologic care is delivered when suspicion for malignancy is high, while offering minimally invasive hysterectomies to the remaining patients. OBJECTIVES: The aim of this study was to characterize risk factors for uterine leiomyosarcomas by reviewing preoperative, intraoperative, and postoperative data with an emphasis on the presence of concurrent fibroids...
May 2, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28463396/t-cell-infiltration-and-clonality-correlate-with-programmed-cell-death-protein-1-and-programmed-death-ligand-1-expression-in-patients-with-soft-tissue-sarcomas
#19
Seth M Pollack, Qianchuan He, Jennifer H Yearley, Ryan Emerson, Marissa Vignali, Yuzheng Zhang, Mary W Redman, Kelsey K Baker, Sara Cooper, Bailey Donahue, Elizabeth T Loggers, Lee D Cranmer, Matthew B Spraker, Y David Seo, Venu G Pillarisetty, Robert W Ricciotti, Benjamin L Hoch, Terrill K McClanahan, Erin Murphy, Wendy M Blumenschein, Steven M Townson, Sharon Benzeno, Stanley R Riddell, Robin L Jones
BACKGROUND: Patients with metastatic sarcomas have poor outcomes and although the disease may be amenable to immunotherapies, information regarding the immunologic profiles of soft tissue sarcoma (STS) subtypes is limited. METHODS: The authors identified patients with the common STS subtypes: leiomyosarcoma, undifferentiated pleomorphic sarcoma (UPS), synovial sarcoma (SS), well-differentiated/dedifferentiated liposarcoma, and myxoid/round cell liposarcoma. Gene expression, immunohistochemistry for programmed cell death protein (PD-1) and programmed death-ligand 1 (PD-L1), and T-cell receptor Vβ gene sequencing were performed on formalin-fixed, paraffin-embedded tumors from 81 patients...
May 2, 2017: Cancer
https://www.readbyqxmd.com/read/28460536/review-of-past-and-present-clinical-cases-with-a-view-to-future-treatment-options
#20
Javier Martín-Broto, Peter Reichardt, Silvia Stacchiotti, Jean-Yves Blay
In the 10 years that have elapsed since trabectedin was first granted approval in Europe for treatment of advanced soft tissue sarcoma (STS), other cytotoxic agents and targeted therapies have been approved and numerous randomized controlled trials have been completed or are underway. As an academic exercise and positive proof of the advances in STS management that have occurred during the past decade, it is interesting to compare current and future treatment approaches. In this review, present and future treatment approaches are examined by case study for three STS subtypes: uterine leiomyosarcoma, abdominal dedifferentiated liposarcoma and malignant solitary fibrous tumor...
May 2, 2017: Future Oncology
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