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https://www.readbyqxmd.com/read/28723616/prognostic-value-of-programmed-death-ligand-1-in-sarcoma-a-meta-analysis
#1
Zhenhua Zhu, Zheng Jin, Mei Zhang, Yajun Tang, Guang Yang, Xiaowei Yuan, Jihang Yao, Dahui Sun
BACKGROUND: The prognostic role of programmed death-ligand 1 (PD-L1) in sarcoma remains controversial. We performed a meta-analysis so as to investigate the impact of PD-L1 on clinicopathlogical findings and survival outcomes in sarcoma. MATERIALS AND METHODS: A comprehensive search in PubMed, Embase and the Cochrane Library was conducted for relevant studies. The odds ratios or hazard ratios, at 95% confidence intervals were used as measures for investigation of the correlation between PD-L1 expression and clinicopathlogical features or survival outcomes...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722566/molecular-epidemiology-of-staphylococcus-aureus-skin-and-soft-tissue-infections-in-the-lao-people-s-democratic-republic
#2
Alicia D Yeap, Kate Woods, David A B Dance, Bruno Pichon, Sayaphet Rattanavong, Viengmon Davong, Rattanaphone Phetsouvanh, Paul N Newton, Nandini Shetty, Angela M Kearns
This is the first report of the molecular epidemiology of Staphylococcus aureus from skin and soft tissue infections (SSTI) in Laos. We selected a random sample of 96 S. aureus SSTI isolates received by the Microbiology Laboratory, Mahosot Hospital, Vientiane, between July 2012 and June 2014, including representation from seven referral hospitals. Isolates underwent susceptibility testing by Clinical and Laboratory Standards Institute methods, spa typing and DNA microarray analysis, with whole genome sequencing for rare lineages...
May 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28718733/diagnostic-utility-of-renal-fine-needle-aspirate-cytology-and-ultrasound-in-the-cat
#3
Camille A McAloney, Leslie C Sharkey, Daniel A Feeney, Davis M Seelig
Objectives The primary objective of this study was to retrospectively assess the diagnostic utility of feline renal fine-needle aspiration cytology by assessing diagnostic yield, cytologic characteristics and diagnostic accuracy. The secondary objective was to characterize ultrasonographic features of sampled kidneys to determine if they influenced diagnostic yield. Methods Slides, images and patient data were collected from the University of Minnesota Veterinary Medical Center database. Slides were designated as diagnostic or non-diagnostic...
July 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28718312/gbm-skin-metastasis-a-case-report-and-review-of-the-literature
#4
Gary D Lewis, Andreana L Rivera, Ivo W Tremont-Lukats, Leomar Y Ballester-Fuentes, Yi Jonathan Zhang, Bin S Teh
Glioblastoma (GBM) is the most common type of malignant tumor found in the brain, and acts very aggressively by quickly and diffusely infiltrating the surrounding brain parenchyma. Despite its aggressive nature, GBM is rarely found to spread extracranially and develop distant metastases. The most common sites of these rare metastases are the lungs, pleura and cervical lymph nodes. There are also a few case reports of skin metastasis. We present the clinical, imaging and pathologic features of a case of a GBM with metastasis to the soft tissue scar and skin near the original craniotomy site...
July 18, 2017: CNS Oncology
https://www.readbyqxmd.com/read/28711309/influence-of-needle-bevel-design-on-injection-pain-and-needle-deformation-in-dental-local-infiltration-anaesthesia-randomized-clinical-trial
#5
M Dau, I Buttchereit, C Ganz, B Frerich, E N Anisimova, M Daubländer, P W Kämmerer
The aims of this in vivo study were to evaluate the impact of needle bevel design on patients' pain perception and the mechanical deformation of the needle tip after the injection. In a prospective single-blinded trial, 150 patients received conventional infiltration anaesthesia for dental treatment by one examiner. Patients were randomized for one out of three different needle bevel types (scalpel-designed bevel needle (SB), n=50; triple bevel needle (TB), n=50; regular bevel needle (RB), n=50). Subjects' self-reported injection pain perception was evaluated using a numeric rating scale (NRS)...
July 12, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28702400/sarcomatous-transformation-of-a-hemosiderotic-fibrohistiocytic-lipomatous-tumor-a-case-report
#6
Renata Margarida Etchebehere, Elia Cláudia Souza Almeida, Carlos David Teixeira Santos, Adilha Misson Rua Micheletti, Antônio Sebastião Leitão
Hemosiderotic fibrohistiocytic lipomatous tumors are rare neoplasms that were first described in 2000. Initially considered a benign lipotamous lesion of the soft tissues, nowadays they are considered to be a locally aggressive tumor. They occur mainly in the foot and ankle of women in their fifth and sixth decades, although they may be found in any place in the lower limbs and, more rarely, in other parts of the body. Histologically, hemosiderotic fibrohistiocytic lipomatous tumors consist of a mixture of mature adipose tissue, fusiform cell fascicles, macrophages that often contain cytoplasmic hemosiderin, mononuclear inflammatory infiltrate, and stroma that may be focally myxoid...
May 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28697683/metastatic-sclerosing-epithelioid-fibrosarcoma-in-bone-marrow
#7
Rana Asakra, Shane Zaidi, Khin Thway
Sclerosing epithelioid fibrosarcoma (SEF) is an aggressive neoplasm thought to be related to low-grade fibromyxoid sarcoma, which typically occurs in middle-aged adults in the deep soft tissues of the lower extremities and trunk. It comprises nests and cords of relatively uniform epithelioid polygonal cells with clear or eosinophilic cytoplasm in densely sclerotic stroma, and it is typically associated with EWSR1 gene rearrangements, and most commonly EWSR1-CREB3L1 fusions. As primary SEF can arise in bone, and bone is also a common metastatic site for SEF, its recognition at this site is important...
July 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28692601/recurrent-braf-gene-rearrangements-in-myxoinflammatory-fibroblastic-sarcomas-but-not-hemosiderotic-fibrolipomatous-tumors
#8
Yu-Chien Kao, Valentina Ranucci, Lei Zhang, Yun-Shao Sung, Edward A Athanasian, David Swanson, Brendan C Dickson, Cristina R Antonescu
Myxoinflammatory fibroblastic sarcoma (MIFS) is a low grade soft tissue sarcoma with a predilection for acral sites, being associated with a high rate of local recurrence but very infrequent distant metastases. Although a t(1;10) translocation resulting in TGFBR3-MGEA5 fusion has been reported as a recurrent genetic event in MIFS, this abnormality is seen only in a subset of cases. As no studies to date have investigated the spectrum of alternative genetic alterations in TGFBR3-MGEA5 fusion negative MIFS, we undertook a genetic analysis of this particular cohort for further molecular classification...
July 7, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28690730/septic-arthritis-of-the-pubis-symphysis-clinical-and-therapeutic-features
#9
Zeineb Alaya, Houneida Zaghouani, Walid Osman, Lassad Hassini, Nader Naouar, Mohamed Laziz Ben Ayèche, Elyès Bouajina
Septic arthritis of the pubis symphysis is rare and difficult to diagnose. The objective of our study was to describe the biological, clinical, radiological and therapeutic aspects of this disease. This is a retrospective study of 4 cases of septic arthritis of the pubic symphysis collected in the Department of Rheumatology and Orthopaedics in Sousse in Tunisia over a period of 16 years (2000-2016). Our population consists of 3 women and one men. The mean age was 47 years (18-83). Clinical signs of appeal were inflammatory groin pain, pubic pain and fever...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28683589/infantile-ntrk-associated-mesenchymal-tumors
#10
Jessica L Davis, Christina M Lockwood, Katie Albert, Karen Tsuchiya, Douglas S Hawkins, Erin R Rudzinski
Pediatric fibroblastic/myofibroblastic lesions are a relatively common group of tumors with varying morphologies, for which the molecular mechanisms are becoming increasingly well characterized. Congenital infantile fibrosarcoma (CIFS), perhaps the most well studied of these lesions is characterized by a recurrent ETV6-NTRK3 gene fusion. However, a notable subset of locally aggressive congenital/infantile soft tissue lesions with similar morphologic features to CIFS, have not to-date, shown evidence of any canonical molecular aberration...
January 1, 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28674791/effects-of-the-gaalas-diode-laser-780%C3%A2-nm-on-the-periodontal-tissues-during-orthodontic-tooth-movement-in-diabetes-rats-histomorphological-and-immunohistochemical-analysis
#11
Mônica Fernandes Gomes, Maria da Graças Vilela Goulart, Lilian Chrystiane Giannasi, Cybelle Mori Hiraoka, Gabriela de Fátima Santana Melo, Aretha Graziela Vilela de Sousa, Celestino José Prudente Nóbrega, Renato Amaro Zangaro, Miguel Angel Castillo Salgado
The purposes of the present study are to assess the effects of the GaAlAs diode laser on the periodontal tissues and to investigate its action on the alveolar bone remodeling process during orthodontic tooth movement in normoglycemic and diabetic rats. Sixty adult male Wistar rats were divided into four groups of 15 rats: normoglycemic (N), diabetic (D), laser-normoglycemic (LN), and laser-diabetic (LD) rats. Diabetes mellitus was induced by a single intravenous injection of 40 mg/kg monohydrated alloxan. The orthodontically moved tooth underwent a force magnitude of 20 cN...
July 3, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28665170/dynamic-tomographic-studies-of-interscapular-feline-injection-site-sarcoma-essential-or-useless-practice
#12
Maurizio Longo, Davide Danilo Zani, Roberta Ferrari, Jessica Bassi, Maria Elena Andreis, Damiano Stefanello, Chiara Giudice, Valeria Grieco, Tiziana Liuti, Ian Handel, Mauro Di Giancamillo
Objectives Feline injection-site sarcomas (FISSs) are soft tissue tumours typically characterised by an interscapular location and highly infiltrative behaviour. CT is considered the modality of choice for FISS staging and double positioning (dynamic approach) was reported to successfully detect the exact extent of infiltration into the muscles. The aim of the present study was to investigate the utility of the dynamic approach in feline patients referred for preoperative staging of interscapular FISS. Methods Tumour volume estimates were compared between the ellipsoid and the semi-automated segmentation methods...
June 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28662235/use-of-pd-1-targeting-macrophage-infiltration-and-ido-pathway-activation-in-sarcomas-a-phase-2-clinical-trial
#13
Maud Toulmonde, Nicolas Penel, Julien Adam, Christine Chevreau, Jean-Yves Blay, Axel Le Cesne, Emmanuelle Bompas, Sophie Piperno-Neumann, Sophie Cousin, Thomas Grellety, Thomas Ryckewaert, Alban Bessede, François Ghiringhelli, Marina Pulido, Antoine Italiano
Importance: There is a strong rationale for treating sarcomas with immunotherapy. Objective: To assess the efficacy and safety of programmed cell death protein 1 (PD-1) targeting in combination with metronomic chemotherapy in sarcomas. Design, Setting, and Participants: This was an open-label, multicenter, phase 2 study of 4 cohorts of patients with advanced soft-tissue sarcoma (STS), including leiomyosarcoma (LMS), undifferentiated pleomorphic sarcoma (UPS), other sarcomas (others), and gastrointestinal stromal tumor (GIST)...
June 29, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28660405/xanthogranulomatous-osteomyelitis-of-the-humerus-in-a-pediatric-patient-with-alagille-syndrome-a-case-report-and-literature-review
#14
Adnan Cheema, Alexandre Arkader, Bruce Pawel
Xanthogranulomatous osteomyelitis (XO) is an exceedingly rare disease characterized by infiltration of histiocytes and foamy macrophages. Both on gross examination and on radiographs, XO can mimic malignancy. We describe the case of a 5-year-old female with Alagille syndrome who presented with a pathologic fracture of the right humerus. Initial radiographs revealed multiple osteolytic lesions in the distal humerus while MRI showed a large soft tissue mass. Biopsy confirmed the diagnosis of XO, which has hitherto not been described in a patient with Alagille syndrome...
June 28, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28644075/spine-stereotactic-radiosurgery-for-metastatic-sarcoma-patterns-of-failure-and-radiation-treatment-volume-considerations
#15
Andrew J Bishop, Randa Tao, B Ashleigh Guadagnolo, Pamela K Allen, Neal C Rebueno, Xin A Wang, Behrang Amini, Claudio E Tatsui, Laurence D Rhines, Jing Li, Eric L Chang, Paul D Brown, Amol J Ghia
OBJECTIVE Given the relatively lower radiosensitivity of sarcomas and the locally infiltrative patterns of spread, the authors sought to investigate spine stereotactic radiosurgery (SSRS) outcomes for metastatic sarcomas and to analyze patterns of failure. METHODS The records of 48 patients with 66 sarcoma spinal metastases consecutively treated with SSRS between 2002 and 2013 were reviewed. The Kaplan-Meier method was used to estimate rates of overall survival (OS) and local control (LC). Local recurrences were categorized as occurring infield (within the 95% isodose line [IDL]), marginally (between the 20% and 95% IDLs), or out of field...
June 23, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28632507/tibialis-posterior-tenosynovitis-a-unique-musculoskeletal-manifestation-of-gout
#16
Peter Shupper, Todd P Stitik
Extra-articular manifestations of gout can present in several ways, including tenosynovitis. We present a rare case of acute tibialis posterior gouty tenosynovitis. An 82-year-old man with a history of well-controlled gout presented with acute onset of left ankle pain, occurring without inciting event. The medial ankle was slightly erythematous with moderate dorsal-medial swelling and mild dorsal-lateral swelling, with severe tenderness to palpation over the medial retro-malleolar region. Range of motion and manual muscle testing were pain limited throughout...
June 20, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28631652/primary-cutaneous-large-b-cell-lymphoma-of-scalp-case-report-of-a-rare-variant
#17
Yasmeen Khatib, Madhura Dande, Richa D Patel, Meena Makhija
Primary cutaneous large B-cell lymphoma (Bcl) is defined as a lymphoma composed of large cells constituting more than 80% of the infiltrate and absence of extracutaneous involvement after staging investigations. In the new World Health Organization/European Organization for Research and Treatment of Cancer classification, cutaneous Bcls with large cells are of three types - primary cutaneous large Bcl leg type (PCLBCLLT), primary cutaneous follicle center lymphoma diffuse type (PCFCLDT), and primary cutaneous large Bcls other (PCLBCLO)...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28619973/marjolin-s-squamous-cell-carcinoma-of-the-hallux-following-recurrent-ingrown-toenail-infections
#18
Wahid Abdul, Barry James O'Neill, Anthony Perera
Marjolin's squamous cell carcinoma (SCC) affecting the toe is rare. Due to resemblance with benign conditions it can often result in misdiagnosis. We report a case of Marjolin's SCC affecting the proximal hallux in a patient with recurrent ingrown toenail infections. A 58-year-old woman with a background of wedge resections for ingrown toenail and distal phalanx amputation for osteomyelitis presented with pain and hyperkeratotic raised ulcer around the proximal phalanx. MRI scan revealed soft tissue mass infiltrating the proximal phalanx with biopsies confirming a SCC...
June 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28599446/giant-cell-tumor-of-the-tendon-sheath-magnetic-resonance-imaging-findings-in-38-patients
#19
Chao Wang, Rui-Rui Song, Ping-Ding Kuang, Liu-Hong Wang, Min-Ming Zhang
The present study aimed to investigate the value of magnetic resonance imaging (MRI) in the diagnosis of giant cell tumor of the tendon sheath (GCTTS), including localized (L-) and diffuse (D-) types. A total of 38 patients with GCTTS, including 31 with L-GCTTS and 7 with D-GCTTS, diagnosed by surgery and pathology, were retrospectively analyzed. All patients underwent MRI examination. Of the 31 patients with L-GCTTS, the tumors were located in the hand and wrist (18 patients), the ankle and foot (10 cases), the knee joint (2 cases) and the temporomandibular joint (1 case)...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28591035/a-case-report-of-lymphoid-intestitial-pneumonia-in-common-variable-immunodeficiency-oligoclonal-expansion-of-effector-lymphocytes-with-preferential-cytomegalovirus-specific-immune-response-and-lymphoproliferative-disease-promotion
#20
Przemyslaw Zdziarski, Andrzej Gamian, Grzegorz Dworacki
RATIONALE: Lymphoid interstitial pneumonia (LIP) is a rare disease with lymphocytic infiltration of the alveolar interstitial and air spaces, sometimes classified as a clonal lymphoproliferative disease (LPD) with high prevalence in patients with immunodysregulation. Although association of mucosa-associated lymphoid tissue (MALT) lymphoma development with infectious agents has been well described, it is not so in the case of LIP. Attempts to demonstrate an infective cause by direct microbe detection have failed, but association with atypical specific immune response to opportunistic infectious agent has not been studied...
June 2017: Medicine (Baltimore)
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