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soft tissue tumors

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https://www.readbyqxmd.com/read/29911095/lipoma-arborescens-of-the-elbow-a-case-with-features-of-a-high-grade-tumor
#1
Wagner Santana Cerqueira, Rayssa Araruna Bezerra de Melo, Felipe D'Almeida Costa, Juliane Comunello, Almir Galvão Vieira Bitencourt, Wu Tu Chung
Lipoma arborescens (LA) is an uncommon non-neoplastic disorder that may affect almost any joint, mainly the knee. LA is very rare in the elbow, and there are only a few cases reported in the literature. This study aimed to describe a case of LA in the elbow, presenting with features of a high-grade tumor. The authors report the case of a 51-years-old male who presented to this institution with pain and swelling on the left elbow. The patient had a seven-year history of investigation, with inconclusive diagnosis...
March 2018: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/29908925/clinical-decision-making-for-a-soft-tissue-hand-mass-when-and-how-to-biopsy
#2
REVIEW
Kyle J MacGillis, James Heaberlin, Alfonso Mejia
Evaluation of a hand mass and subsequent surgical treatment is a frequent clinical encounter for the practicing hand surgeon. The clinical evaluation of benign and malignant hand tumors has traditionally focused on diagnosis, surgical excision, and reconstruction. There is a paucity of literature discussing the determining factors for a hand mass biopsy, its appropriate technique, and postbiopsy preparation and handling. This review discusses the approaches of the hand surgeon and orthopedic oncologist to a soft tissue mass in the hand and clarifies the term biopsy...
June 13, 2018: Journal of Hand Surgery
https://www.readbyqxmd.com/read/29906615/studying-a-rare-disease-using-multi-institutional-research-collaborations-vs-big-data-where-lies-the-truth
#3
Aileen C Johnson, Cecilia G Ethun, Yuan Liu, Alexandra G Lopez-Aguiar, Thuy B Tran, George Poultsides, Valerie Grignol, J Harrison Howard, Meena Bedi, T Clark Gamblin, Jennifer Tseng, Kevin K Roggin, Konstantinos Chouliaras, Konstantinos Votanopoulos, Darren Cullinan, Ryan C Fields, Keith A Delman, William C Wood, Kenneth Cardona, Shishir K Maithel
BACKGROUND: Multi-institutional collaborations provide granularity lacking in epidemiologic datasets to enable in-depth study of rare diseases. For pts with superficial, high-grade soft tissue sarcomas (STS) of the trunk/extremity, the value of radiation therapy (RT) is not clear. We aimed to utilize the 7-institution US-Sarcoma-Collaborative (USSC) and the National Cancer Database (NCDB) to investigate this issue. STUDY DESIGN: All adult pts with superficial truncal/extremity high-grade STS who underwent primary curative-intent resection from 2000-2016 at USSC institutions or were included in the NCDB from 2004-2013 were analyzed...
June 12, 2018: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/29906007/myopericytoma-in-an-unusual-location
#4
Leon Felipe Ruiz-Arriaga, Ana Laura Ramirez Teran, Carlos Ortiz-Hidalgo, Veronica Fonte-Avalos, Sonia Toussaint-Caire, Ma Elisa Vega-Memije, Mariana CatalinaDe Anda-Juarez
Myopericytoma is a soft-tissue tumor of perivascular cells (pericytes). It is slow-growing, usually asymptomatic, and generally benign, although a malignant variant has been described. The etiology is unknown, but it has been associated with local trauma. The most common location is on the distal extremities. Histologically, it is characterized by a well-circumscribed, non-encapsulated proliferation of spindle shaped cells similar to myofibroblasts with oval nuclei and eosinophilic cytoplasm, arranged in perivascular concentric rings...
April 15, 2018: Dermatology Online Journal
https://www.readbyqxmd.com/read/29905608/the-gracilis-free-flap-is-a-viable-option-for-large-extremity-wounds
#5
Nicholas A Calotta, Rachel Pedreira, E Gene Deune
BACKGROUND: Traditionally, the gracilis free flap is used for coverage of small- to medium-sized wounds (<50 cm) or as a functional muscle transfer. The purpose of this study is to examine the use of the gracilis free flap in the reconstruction of large extremity wounds (>100 cm). METHODS: We retrospectively reviewed records of 34 patients who underwent extremity soft-tissue reconstruction using gracilis free flaps for wounds larger than 100 cm from 1998 to 2016...
June 13, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29903593/a-case-of-vascular-leiomyoma-causing-osseous-malformations-in-the-foot
#6
Shelly D Sedberry, Elizabeth L Bondi, Michael I Gazes, Peter Blume
A vascular leiomyoma is a vascular soft tissue tumor that is relatively rare and benign. They usually occur as solitary lesions and are well encapsulated. The present study describes a unique case of vascular leiomyoma causing erosions of a metatarsal secondary to compression from the tumor. We present a female in her fourth decade of life with osseous malformations of the third metatarsal that became painful after an acute trauma to the foot.
June 11, 2018: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29903561/multidetector-row-computed-tomography-in-maxillofacial-imaging
#7
REVIEW
Anita Gohel, Masafumi Oda, Amol S Katkar, Osamu Sakai
Multidetector row CT (MDCT) offers superior soft tissue characterization and is useful for diagnosis of odontogenic and nonodontogenic cysts and tumors, fibro-osseous lesions, inflammatory, malignancy, metastatic lesions, developmental abnormalities, and maxillofacial trauma. The rapid advances in MDCT technology, including perfusion CT, dual-energy CT, and texture analysis, will be an integrated anatomic and functional high-resolution scan, which will help in diagnosis of maxillofacial lesions and overall patient care...
July 2018: Dental Clinics of North America
https://www.readbyqxmd.com/read/29902914/cytologic-diagnosis-of-metastatic-alveolar-rhabdomyosarcoma-in-cerebrospinal-fluid-a-case-report
#8
Bobae Shim, Jiwon Koh, Ji Hye Moon, In Ae Park, Han Suk Ryu
Rhabdomyosarcoma is a malignant soft tissue tumor which shows skeletal muscle differentiation. Leptomeningeal metastasis can occur as a late complication, but currently there are no reports that have documented the cytologic features in cerebrospinal fluid (CSF). We report a case of metastatic alveolar rhabdomyosarcoma diagnosed in the CSF of a 28-year-old male who was originally diagnosed with rhabdomyosarcoma on the neck, and that went through systemic therapy. The tumor was positive for anaplastic lymphoma kinase, but progressed despite additional therapy with crizotinib...
June 14, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29901613/a-rare-case-of-primary-small-bowel-de-differentiated-liposarcoma-causing-intussusception-a-case-report
#9
Kentaro Matsuo, Masaya Inoue, Yasutsugu Shirai, Tatsuki Kataoka, Shuji Kagota, Kohei Taniguchi, Sang-Woong Lee, Kazuhisa Uchiyama
RATIONALE: Liposarcoma (LPS) is a relatively rare malignant soft tissue tumor. Management of LPS including diagnosis is difficult, because it has no characteristic symptoms and no established effective treatment. Herein we reported an extremely rare case of intussusception induced by primary small bowel LPS. PATIENT'S CONCERN: A-84-year-old male was a consult to our Emergency Department with symptoms of a terrible general fatigue, abdominal pain, and vomiting. DIAGNOSIS: Abdominal ultrasonography and computed tomography (CT) revealed probable intussusception...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29900051/increase-in-pd-l1-expression-after-pre-operative-radiotherapy-for-soft-tissue-sarcoma
#10
Kirtesh R Patel, Anthony Martinez, John M Stahl, Suzanna J Logan, Adam J Perricone, Matthew J Ferris, Zachary S Buchwald, Mudit Chowdhary, Keith A Delman, David K Monson, Shervin V Oskouei, Nicholas B Reimer, Kenneth Cardona, Mark A Edgar, Karen D Godette
Soft tissue sarcomas (STS) have minimal expression of PD-L1, a biomarker for PD-1 therapy efficacy. Radiotherapy (RT) has been shown to increase PD-L1 expression pre-clinically. We examined the expression of PD-L1, pre- and post-RT, in 46 Stage II-III STS patients treated with pre-operative RT (50-50.4 Gy in 25-28 fractions) followed by resection. Five additional patients who did not receive RT were utilized as controls. PD-L1 expression on biopsy and resection samples was evaluated by immunochemistry using the anti PD-L1 monoclonal antibody (E1L3 N clone; Cell Signaling)...
2018: Oncoimmunology
https://www.readbyqxmd.com/read/29900032/malignant-peripheral-nerve-sheath-tumor-of-the-scalp-two-rare-case-reports
#11
Muhammad Firdaus, Arwinder Singh Gill, Dewi Aisiyah Mukarramah, Rini Andriani, Lenny Sari, Dian Cahyanti, Ahmad Faried
Background: Malignant peripheral nerve sheath tumors (MPNSTs) constitute a group of soft tissue neoplasm with neuroectodermal origin. Most cases are small at presentation and only some have been described reaching giant dimensions. Case Description: We report two cases that were diagnosed and treated as giant MPNST of the scalp. Both patients had extensive lesion on the head with intracranial infiltration. Microsurgical resection was indicated and a vascularized free flap was used to cover the defect...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29900030/primary-solitary-retro-clival-amyloidoma
#12
Julia R Schneider, Kevin Kwan, Kay O Kulason, Lukas J Faltings, Stephanie Colantonio, Scott Safir, Tina Loven, Jian Yi Li, Karen S Black, B Todd Schaeffer, Mark B Eisenberg
Background: Amyloidosis encompasses a group of disorders sharing the common feature of intercellular deposition of amyloid protein by several different pathogenetic mechanisms. Primary solitary amyloidosis, or amyloidoma, is a rare subset of amyloidosis in which amyloid deposition is focal and not secondary to a systemic process or plasma cell dyscrasia. Case Description: This 84-year-old female presented with history of multiple syncopal episodes, dysphagia, and ataxia...
2018: Surgical Neurology International
https://www.readbyqxmd.com/read/29899822/camptothecin-exhibits-topoisomerase1-independent-kmt1a-suppression-and-myogenic-differentiation-in-alveolar-rhabdomyosarcoma-cells
#13
David W Wolff, Min-Hyung Lee, Mathivanan Jothi, Munmun Mal, Fengzhi Li, Asoke K Mal
Alveolar rhabdomyosarcoma (aRMS) is an aggressive subtype of the most common soft tissue cancer in children. A hallmark of aRMS tumors is incomplete myogenic differentiation despite expression of master myogenic regulators such as MyoD. We previously reported that histone methyltransferase KMT1A suppresses MyoD function to maintain an undifferentiated state in aRMS cells, and that loss of KMT1A is sufficient to induce differentiation and suppress malignant phenotypes in these cells. Here, we develop a chemical compound screening approach using MyoD-responsive luciferase reporter myoblast cells to identify compounds that alleviate suppression of MyoD-mediated differentiation by KMT1A...
May 25, 2018: Oncotarget
https://www.readbyqxmd.com/read/29899304/validation-of-different-nutritional-assessment-tools-in-predicting-prognosis-of-patients-with-soft-tissue-spindle-cell-sarcomas
#14
Hiromi Sasaki, Satoshi Nagano, Setsuro Komiya, Noboru Taniguchi, Takao Setoguchi
Predicting outcomes in patients with soft tissue sarcoma (STS) is challenging. To improve these predictions, we retrospectively analyzed common nutritional assessment systems, including Glasgow prognostic score (GPS), Geriatric Nutritional Risk Index (GNRI), neutrophil⁻lymphocyte ratio (NLR), platelet⁻lymphocyte ratio (PLR), and controlling nutritional (CONUT) score against outcomes in 103 patients with STS, of whom 15 (14.6%) died within 1 year of diagnosis. GPS, GNRI, NLR, PLR, and CONUT scores significantly differed between patients who died within one year and patients who lived longer...
June 13, 2018: Nutrients
https://www.readbyqxmd.com/read/29898687/pd-l1-assessment-in-pediatric-rhabdomyosarcoma-a-pilot-study
#15
Giulia Bertolini, Luca Bergamaschi, Andrea Ferrari, Salvatore L Renne, Paola Collini, Cecilia Gardelli, Marta Barisella, Giovanni Centonze, Stefano Chiaravalli, Cinzia Paolino, Massimo Milione, Maura Massimino, Michela Casanova, Patrizia Gasparini
BACKGROUND: Rhabdomyosarcomas (RMSs) are the most frequent soft tissue sarcoma in children and adolescents, defined by skeletal muscle differentiation and the status of FOXO1 fusions. In pediatric malignancies, in particular RMS, scant and controversial observations are reported about PD-L1 expression as a putative biomarker and few immune checkpoint clinical trials are conducted. METHODS: PD-L1 assessment was evaluated by immunohistochemistry (IHC) utilizing two anti-PDL1 antibodies, in a pilot cohort of 25 RMS...
June 13, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29898011/inflammatory-myofibroblastic-tumor-of-the-prostate-after-transurethral-resection-of-the-prostate-with-negative-expression-of-anaplastic-lymphoma-kinase-a-case-report
#16
Jie Zeng, Rong-Quan He, Wei-Guang Mo, Zhi-Gang Peng, Jie Ma, Jin-Cai Zhong, Chao-Hua Mo, Mei-Jiao Qin, Xiao-Hua Hu
CONTEXT: Inflammatory myofibroblastic tumors are a rare type of soft-tissue tumor. Inflammatory myofibroblastic tumors are characterized by rearrangements involving the anaplastic lymphoma kinase gene locus on 2p23. CASE REPORT: We report the case of a 67-year-old Chinese male who presented with dysuria and fever. Magnetic resonance imaging showed an irregular prostatic mass with an isointense signal and obscure boundary. Histopathological evaluation showed that the mass consisted mainly of spindle-shaped cells...
June 4, 2018: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/29896278/analysis-of-differential-expressions-of-long-non-coding-rnas-in-nasopharyngeal-carcinoma-using-next-generation-deep-sequencing
#17
Xiao-Xiao Li, Xu-Jun Liang, Liu-Ying Zhou, Rui-Jie Liu, Wu Bi, Sai Zhang, Shi-Sheng Li, Wen-Hui Yang, Zhu-Chu Chen, Xin-Ming Yang, Peng-Fei Zhang
Background : Little knowledge about long non-coding RNAs(lncRNAs) in nasopharyngeal carcinoma (NPC) has been acquired. Methods : Next-generation sequencing was applied in 7 cases of NPC tissues and 7 cases of normal tissues in nasopharynx. PLEX, CNCI and CPAT soft-wares were used to predict novel lncRNAs. Real-time Quantitative PCR (qPCR) further validated the data in 20 cases of NPC tissues and 14 cases of normal tissues. Then the cis-regulators and trans-regulators and potential biological functions together with pathways were predicted by Bioinformatics...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29894530/metastatic-meningioma-of-the-scalp
#18
Dhaval G Bhanusali, Candrice Heath, Deniz Gur, Sheryl Miller
Meningiomas generally present as slow-growing, expanding intracranial lesions and are the most common benign intracranial tumor in adults. Rarely, meningiomas can exhibit malignant potential and present as extracranial soft-tissue masses through extension or as primary extracranial cutaneous neoplasms. Although they are uncommonly encountered by dermatologists, it is important to include meningioma in the differential diagnosis for scalp neoplasms. We present a rare case of a 68-year-old woman with scalp metastasis of meningioma 11 years after initial resection of the primary tumor...
May 2018: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29893303/primary-pulmonary-synovial-sarcoma-a-reappraisal
#19
REVIEW
Manoj Kumar Panigrahi, Gourahari Pradhan, Nibedita Sahoo, Pritinanda Mishra, Susama Patra, Prasanta Raghab Mohapatra
Synovial sarcoma (SS) is a malignant mesenchymal tumor with variable epithelial differentiation that affects mostly young adults and can arise at any anatomic site. Primary intrathoracic SS is very rare accounting for <0.5% of all lung tumors. Most commonly, it arises from the lung followed by pleura and mediastinum. Primary pulmonary SS (PPSS) affects both sexes equally with no preference for any hemithorax. The morphology, immunostaining properties, cytogenetic features, and management strategy of PPSS are similar to that of soft tissue SS...
April 2018: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/29892149/a-preliminary-study-on-the-estimation-of-the-number-of-cancer-patients-eligible-for-hadron-therapy-in-iran-and-fars-province
#20
Mohammad Amin Hosseini, Mohammad Mohamadianpanah, Mohammad Zare-Bandeamiri, Mohammad Amin Mosleh-Shirazi
Hadron therapy (HT) with protons and carbon ions is an advanced radiotherapy technique. As the first report addressing this topic, the present study aimed to estimate the number of patients eligible for HT in Fars province and the whole of Iran. The data were collected through direct inspection of medical records of the patients treated at the Radiotherapy Department, Namazi Hospital, Shiraz, Iran in 2014. The patients who were treated with external-beam radiotherapy and declared to be a resident of Fars province were extracted from the medical records...
May 2018: Iranian Journal of Medical Sciences
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