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Muscle tissue lymphoma

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https://www.readbyqxmd.com/read/29742695/anterior-mediastinal-hodgkin-lymphoma-presenting-as-an-extremely-hypervascular-tumor-on-computed-tomography-a-case-report
#1
Soo Jeong Lee, Ji Young Rho, Gwang Il Kim, Joonsuk Park
RATIONALE: In the thorax, Hodgkin lymphoma (HL) most frequently involves the anterior mediastinal and paratracheal regions and tends to spread to contiguous nodal groups. Enlarged lymph nodes typically have homogeneous soft tissue attenuation similar to that of muscle tissue on computed tomography (CT). PATIENT CONCERNS: A contrast-enhanced CT examination of a 19-year-old man with right-sided chest pain showed an intense, heterogeneously enhancing mass with organization of serpentine and dilated blood vessels in the right anterior mediastinum that had invaded the upper lobe of the right lung...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29663990/-expression-and-role-of-heat-shock-protein-70-and-apoptosis-related-proteins-in-muscle-tissue-of-pressure-injury
#2
Nan Zhang, Haiyan Liu, Yan Qu
OBJECTIVE: To observe the phenomenon of apoptosis and expression of related proteins in injured muscle tissue during the formation of pressure injury, and to explore its mechanism of action on the pressure injury. METHODS: Forty male Sprague-Dawley (SD) rats were divided into normal control group, 3, 5, 7 and 9 compression groups according to the random number table, with 8 rats in each group. The pressure injury models on the gracilis muscle of hind limbs were reproduced by using a way of cycle compression of ischemia/reperfusion (I/R) magnet...
April 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29617412/tissue-inhibitor-of-metalloproteinase-3-timp-3-induces-fas-dependent-apoptosis-in-human-vascular-smooth-muscle-cells
#3
William R English, Heather Ireland-Zecchini, Andrew H Baker, Trevor D Littlewood, Martin R Bennett, Gillian Murphy
Over expression of Tissue Inhibitor of Metalloproteinases-3 (TIMP-3) in vascular smooth muscle cells (VSMCs) induces apoptosis and reduces neointima formation occurring after saphenous vein interposition grafting or coronary stenting. In studies to address the mechanism of TIMP-3-driven apoptosis in human VSMCs we find that TIMP-3 increased activation of caspase-8 and apoptosis was inhibited by expression of Cytokine response modifier A (CrmA) and dominant negative FAS-Associated protein with Death Domain (FADD)...
2018: PloS One
https://www.readbyqxmd.com/read/29566591/malignant-lymphoma-with-middle-ear-involvement-in-a-sprague-dawley-rat
#4
Jean-Francois Lafond, Annick Landry
Sprague-Dawley rats are amongst the most widely used animals in biomedical research and malignant lymphoma has long been known to be a frequent neoplasm in these animals. A 9-month-old male control Sprague-Dawley rat from a toxicity study showed gelatinous material in the cranial cavity and dark, thickened cerebral meninges at necropsy. At microscopic evaluation of the temporal bone, neoplastic lymphocytes were seen invading several structures of the middle ear. The neoplastic cells appeared to extend from the marrow of the temporal bone, covered the dorsal part of the tympanic cavity wall, and surrounded and infiltrated the base of the tensor tympani muscle as well as the chorda tympani branch of the facial nerve...
January 1, 2018: Laboratory Animals
https://www.readbyqxmd.com/read/29496561/evolution-of-body-composition-following-autologous-and-allogeneic-hematopoietic-cell-transplantation-incidence-of-sarcopenia-and-association-with-clinical-outcomes
#5
Zachariah DeFilipp, Fabian M Troschel, David A Qualls, Shuli Li, Martin W Kuklinski, Maria E Kempner, Ephraim Hochberg, Yi-Bin Chen, Areej El-Jawahri, Florian J Fintelmann
Sarcopenia, the loss of muscle mass, has been identified as a potential risk factor for adverse outcomes in hematopoietic cell transplantation (HCT) recipients. However, much remains unknown about change in body composition following HCT. We retrospectively evaluated computed tomography (CT) imaging from 315 lymphoma patients undergoing HCT at our institution between 2000 and 2014. Cross-sectional areas of lean muscle, subcutaneous adipose tissue, and visceral adipose tissue were measured on CT at the level of the third lumbar vertebral body before HCT, 1-year post-HCT, and 2...
March 1, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29480850/functional-analysis-of-cell-free-rna-using-mid-trimester-amniotic-fluid-supernatant-in-pregnancy-with-the-fetal-growth-restriction
#6
Hee Young Cho, Yeonkyung Cho, Yun-Jeong Shin, Jieun Park, Sunghan Shim, Yongwook Jung, Sungshin Shim, Donghyun Cha
The prediction and monitoring of fetal growth restriction (FGR) fetuses has become with the use of ultrasound. However, these tools lack the fundamental evidence for the growth of fetus with FGR excluding pathogenic factors.Amniotic fluid samples were obtained from pregnant women for fetal karyotyping and genetic diagnosis at 16 to 19 weeks of gestation. For this study, 15 FGR and 9 control samples were selected, and cell-free fetal RNA was isolated from each supernatant of the amniotic fluid for microarray analysis...
January 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29451657/malignant-fibrous-histiocytoma-in-a-patient-presenting-with-urinary-system-symptoms
#7
Mustafa Resorlu, Ozan Karatag, Fatma Uysal, Muhsin Ozturk
Malignant fibrous histiocytoma is a rare tumor. It is most commonly seen in individuals between the fifth and seventh decades of life, in extremities, and less frequently in the retroperitoneum. Although its etiology is not clearly known, radiotherapy, chemical agents, previous history of surgery, trauma and fracture, and Hodgkin lymphoma have been blamed. Leiomyosarcoma, liposarcoma and rhabdomyosarcoma should be taken into account in differential diagnosis. It is seen on computed tomography as a mass lesion with irregular borders and density similar to that of the surrounding muscle tissue...
November 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29419478/-18-f-fludarabine-pet-for-lymphoma-imaging-first-in-man-study-in-dlbcl-and-cll-patients
#8
Sylvain Chantepie, Narinée Hovhannisyan, Stéphane Guillouet, Jean-Pierre Pelage, Méziane Ibazizene, Caroline Bodet-Milin, Thomas Carlier, Anne-Claire Gac, Emilie Réboursière, Jean-Pierre Vilque, Françoise Kraeber-Bodéré, Alain Manrique, Gandhi Damaj, Michel Leporrier, Louisa Barré
This is the first in-man clinical study of 18 F-fludarabine which is a radiopharmaceutical for PET imaging in lymphoma where many issues remain controversial with the standard radiotracer 18 F-FDG. Methods: 18 F-Fludarabine-PET(/CT) was performed in 10 patients: five with diffuse large B-cell lymphoma (DLBCL) and five with chronic lymphocytic leukemia (CLL). The biodistribution, and radiation dosimetry of 18 F-fludarabine have also been evaluated. Six successive partial body PET scans were acquired for 250 min after intravenous 4 MBq/kg bolus of 18 F-fludarabine...
February 1, 2018: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29298131/a-systematic-review-of-p53-regulation-of-oxidative-stress-in-skeletal-muscle
#9
Kaitlyn Beyfuss, David A Hood
BACKGROUND: p53 is a tumor suppressor protein involved in regulating a wide array of signaling pathways. The role of p53 in the cell is determined by the type of imposed oxidative stress, its intensity and duration. The last decade of research has unravelled a dual nature in the function of p53 in mediating the oxidative stress burden. However, this is dependent on the specific properties of the applied stress and thus requires further analysis. METHODS: A systematic review was performed following an electronic search of Pubmed, Google Scholar, and ScienceDirect databases...
December 2018: Redox Report: Communications in Free Radical Research
https://www.readbyqxmd.com/read/29260074/bilateral-orbital-marginal-zone-b-cell-lymphoma-of-the-mucosa-associated-lymphoid-tissue-in-a-patient-with-hepatitis-b-virus-infection
#10
Pei-Hsuan Lin, Yoshiyuki Kitaguchi, Jacqueline Mupas-Uy, Yasuhiro Takahashi, Hirohiko Kakizaki
Purpose: To report a case of marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue (MALT lymphoma) in the bilateral orbit with chronic hepatitis B virus (HBV) infection. Observations: A 72-year-old man with chronic HBV infection presented with a bilateral proptosis with slight restriction of ocular motility for 9 months. Computed tomographic images showed well-defined, isodense masses in the bilateral superolateral orbit. Magnetic resonance images showed isointense on T1-and hyperintense on T2-weighted images, with bilateral involvements of the lateral rectus muscles reaching the superior orbital fissures...
September 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/29142168/background-data-on-nod-shi-scid-il-2r%C3%AE-null-mice-nog-mice
#11
Kenichiro Kasahara, Yachiyo Fukunaga, Saori Igura, Rie Andoh, Tsubasa Saito, Isamu Suzuki, Hiroyuki Kanemitsu, Daisuke Suzuki, Ken Goto, Daichi Nakamura, Masahiro Mochizuki, Masahiko Yasuda, Ryo Inoue, Kazutoshi Tamura, Mariko Nagatani
To obtain background data of NOD/Shi-scid IL-2Rγnull (NOG) mice, severely immunedeficient mice, a total of 120 animals were examined at 7, 26 and 52 weeks-old (20 mice/sex/group). The survival rate at 52 weeks-old was 95% (19/20) in both sexes. Clinically, circling behavior in one direction along the cage wall was observed in males after 8 weeks and females after 47 weeks-old, and hunchback position was found in males after 32 weeks-old. Hematologically, lymphocyte count markedly decreased at all ages, while white blood cell count increased in several mice at 52 weeks-old...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29137032/non-hodgkin-lymphoma-of-multiple-extranodal-involvement-seen-on-mri-fdg-pet-ct-scans-a-case-report
#12
Shan Wang, Meng Meng, Qiuhu Wang, Kai Xu
RATIONALE: Anaplastic large cell lymphoma (ALCL) is a rare type of non-Hodgkin lymphoma (NHL). The most common extranodal sites of ALCL are skin, subcutaneous tissue, bone, lung, and gastrointestinal organs. This study reports a case of ALCL with multiple extranodal involvement, especially the whole body skeletal muscles, with the aim to share the imaging features of the ALCL including magnetic resonance imaging (MRI) and 18F-fluorodeoxyglucose positron emission tomography-computed tomography (18F-FDG PET-CT)...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136686/-clinicopathologic-and-molecular-characteristics-of-malignant-gastrointestinal-neuroectodermal-tumors
#13
M Zhao, T W Zhao, J Ma, C Y Wu, L Chen, G Q Ru, X L He
Objective: To investigate the clinicopathologic and molecular characteristics, diagnostic, differential diagnostic and prognostic features of malignant gastrointestinal neuroectodermal tumor. Methods: Two cases of malignant gastrointestinal neuroectodermal tumor were retrieved; the clinical and radiologic features, histomorphology, immunophenotype, molecular genetics and prognosis were analyzed and the relevant literature reviewed. Results: Case 1 was a 57-year-old male, presented with recurrent abdominal pain and melena...
November 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29067109/tiam1-inhibits-lung-fibroblast-differentiation-in-pulmonary-fibrosis
#14
Zhicheng Huang, Shuangyan Sun, Changliang Yang, Jun Zheng, Yingji Nan, Ruikun Zhao, Zhiguo Lang, Hang Li, Lixia Ma
The differentiation of fibroblasts to myofibroblasts is critical for the development of idiopathic pulmonary fibrosis (IPF). T-cell lymphoma invasion and metastasis 1 (TIAM1) is known to be associated with amyotrophic lateral sclerosis 1 and colorectal cancer; however, its role in IPF is unclear. The aim of the present study was to investigate the expression and roles of TIAM1 in lung fibroblasts during pulmonary fibrosis. It was demonstrated that TIAM1 expression was significantly increased in fibrotic lung tissue and lung fibroblasts from bleomycin (BLM)-treated mice compared with control mice (P<0...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29066538/the-scaffolding-protein-cnk-binds-to-the-receptor-tyrosine-kinase-alk-to-promote-visceral-founder-cell-specification-in-drosophila
#15
Georg Wolfstetter, Kathrin Pfeifer, Jesper R van Dijk, Fredrik Hugosson, Xiangyi Lu, Ruth H Palmer
In Drosophila melanogaster, the receptor tyrosine kinase (RTK) anaplastic lymphoma kinase (Alk) and its ligand jelly belly (Jeb) are required to specify muscle founder cells in the visceral mesoderm. We identified a critical role for the scaffolding protein Cnk (connector enhancer of kinase suppressor of Ras) in this signaling pathway. Embryos that ectopically expressed the minimal Alk interaction region in the carboxyl terminus of Cnk or lacked maternal and zygotic cnk did not generate visceral founder cells or a functional gut musculature, phenotypes that resemble those of jeb and Alk mutants...
October 24, 2017: Science Signaling
https://www.readbyqxmd.com/read/29050166/-clinic-pathological-and-ultrasonographic-features-of-primary-thyroid-lymphoma
#16
X M Zhang, L Nong, X Ran, M Li
Objective: To analyze the ultrasonographic and clinicopathological features of primary thyroid lymphoma(PTL). Methods: The ultrasonographic and clinicopathological featuresof 21 cases of pathologically-confirmed PTLs were analyzed retrospectively. Results: Of all 21 PTLs, 15 cases were diffuse large B-cell lymphoma, 4 were mucosal-associated lymphoid tissue extranodular marginal zone B-cell lymphoma, 1 was small B-cell lymphoma and 1 was classical Hodgkin lymphoma. Eight cases were proved by pathology with concomitant Hashimoto's thyroiditis...
October 10, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29038921/muscular-sarcoidosis-involving-the-chest-and-abdominal-walls-case-report-with-mr-imaging
#17
Seunghyun Lee, In Sook Lee, Jeongha Mok, You Seon Song, Kyung-Un Choi
Sarcoidosis is an inflammatory disorder that is characterized by the presence of noncaseating granulomas in tissues, involving many organs and tissues. Extra-pulmonary, especially muscular sarcoidosis is a rare condition. The most common location of the muscular sarcoidosis is known to be the proximal muscles of the extremities; however, there have been no cases of diffuse involvement of the chest and abdominal wall muscles. Here, we report a rare muscular sarcoidosis with infiltrative pattern in the chest and abdominal wall muscles and describe the MR imaging findings that were mistaken as lymphoma at initial diagnosis...
March 2018: Skeletal Radiology
https://www.readbyqxmd.com/read/28899515/the-water-extract-of-liuwei-dihuang-possesses-multi-protective-properties-on-neurons-and-muscle-tissue-against-deficiency-of-survival-motor-neuron-protein
#18
Yu-Ting Tseng, Yuh-Jyh Jong, Wei-Fang Liang, Fang-Rong Chang, Yi-Ching Lo
BACKGROUND: Deficiency of survival motor neuron (SMN) protein, which is encoded by the SMN1 and SMN2 genes, induces widespread splicing defects mainly in spinal motor neurons, and leads to spinal muscular atrophy (SMA). Currently, there is no effective treatment for SMA. Liuwei dihuang (LWDH), a traditional Chinese herbal formula, possesses multiple therapeutic benefits against various diseases via modulation of the nervous, immune and endocrine systems. Previously, we demonstrated water extract of LWDH (LWDH-WE) protects dopaminergic neurons and improves motor activity in models of Parkinson's disease...
October 15, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28871936/xanthoma-like-skin-changes-in-an-elderly-woman-with-a-normal-lipid-profile
#19
Piotr Nockowski, Zdzisław Woźniak, Adam Reich, Joanna Maj
Dear Editor, An 83-year-old woman developed yellow-brownish infiltrates, nodules, and tumors mimicking xanthomas, mostly involving the periorbital and chest area within three months (Figure 1). She had no abnormalities in serum cholesterol or triglycerides levels. A detailed laboratory analysis revealed the presence of mild monoclonal gammopathy with a presence of immunoglobulin G (IgG) kappa light chains; however, according to hematologist consultation, it did not require medical intervention. Imaging assessment and ultrasound examination did not show any specific involvement of internal organs...
July 2017: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28858401/histopathology-of-middle-east-respiratory-syndrome-coronovirus-mers-cov-infection-clinicopathological-and-ultrastructural-study
#20
Khaled O Alsaad, Ali H Hajeer, Mohammed Al Balwi, Mohammed Al Moaiqel, Nourah Al Oudah, Abdulaziz Al Ajlan, Sameera AlJohani, Sami Alsolamy, Giamal E Gmati, Hanan Balkhy, Hamdan H Al-Jahdali, Salim A Baharoon, Yaseen M Arabi
AIMS: The pathogenesis, viral localization and histopathological features of Middle East respiratory syndrome - coronavirus (MERS-CoV) in humans are not described sufficiently. The aims of this study were to explore and define the spectrum of histological and ultrastructural pathological changes affecting various organs in a patient with MERS-CoV infection and represent a base of MERS-CoV histopathology. METHODS AND RESULTS: We analysed the post-mortem histopathological findings and investigated localisation of viral particles in the pulmonary and extrapulmonary tissue by transmission electron microscopic examination in a 33-year-old male patient of T cell lymphoma, who acquired MERS-CoV infection...
February 2018: Histopathology
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