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https://www.readbyqxmd.com/read/28927109/disease-progression-patterns-of-bevacizumab-responders-with-recurrent-malignant-gliomas
#1
Ju-Hwi Kim, Tae-Young Jung, Eu Chang Hwang, Sung-Hoon Jung, Shin Jung, In-Young Kim, Woo-Youl Jang, Kyung-Sub Moon, Kyung-Hwa Lee, Seul-Kee Kim
Tumor progression in patients with recurrent malignant glioma who respond to bevacizumab (BEV) is difficult to assess. The current study reviewed the clinical and radiological results of patients following a BEV-based chemotherapy regimen, and evaluated disease progression patterns in patients who responded to BEV therapy. From August 2011 to November 2015, 24 patients (18 glioblastoma cases and 6 anaplastic astrocytoma cases) were treated with BEV-based chemotherapy. In total, 6 patients were treated with BEV alone and 18 patients were treated with BEV combined with irinotecan...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926847/probing-the-stochastic-property-of-endoreduplication-in-cell-size-determination-of-arabidopsis-thaliana-leaf-epidermal-tissue
#2
Kensuke Kawade, Hirokazu Tsukaya
Cell size distribution is highly reproducible, whereas the size of individual cells often varies greatly within a tissue. This is obvious in a population of Arabidopsis thaliana leaf epidermal cells, which ranged from 1,000 to 10,000 μm2 in size. Endoreduplication is a specialized cell cycle in which nuclear genome size (ploidy) is doubled in the absence of cell division. Although epidermal cells require endoreduplication to enhance cellular expansion, the issue of whether this mechanism is sufficient for explaining cell size distribution remains unclear due to a lack of quantitative understanding linking the occurrence of endoreduplication with cell size diversity...
2017: PloS One
https://www.readbyqxmd.com/read/28925568/the-fibular-meniscus-of-the-kangaroo-as-an-adaptation-against-external-tibial-rotation-during-saltatorial-locomotion
#3
Adrian C Miller, Martin A Cake, Natalie M Warburton
The kangaroo knee is, as in other species, a complex diarthrodial joint dependent on interacting osseous, cartilaginous and ligamentous components for its stability. While principal load bearing occurs through the femorotibial articulation, additional lateral articulations involving the fibula and lateral fabella also contribute to the functional arrangement. Several fibrocartilage and ligamentous structures in this joint remain unexplained or have been misunderstood in previous studies. In this study, we review the existing literature on the structure of the kangaroo 'knee' before providing a new description of the gross anatomical and histological structures...
September 19, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28925518/chemistry-of-peptidoglycan-in-mycobacterium-tuberculosis-life-style-an-off-the-wall-balance-of-synthesis-and-degradation
#4
Flavia Squeglia, Alessia Ruggiero, Rita Berisio
The cell wall envelope of mycobacteria is structurally distinct from that of both Gram-positive and Gram-negative bacteria. In Mycobacterium tuberculosis, this cell wall has unique structural features and plays a crucial role in drug resistance and macrophage survival under stress conditions. Peptidoglycan is the major constituent of this cell wall, with an important structural role, giving structural strength, and counteracting the osmotic pressure of the cytoplasm. Synthesis of this complex polymer takes place in three stages that occur at three different locations in the cell, from the cytoplasm to the external side of the cell membrane, where polymerization occurs...
September 19, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28925274/-a-case-report-of-peritoneal-tuberculosis-the-diagnostic-role-of-pet-ct-and-laparoscopy
#5
H Macháčková, R Pilka, S Losse, M Žurková, V Lošťáková, T Tichý, Y Lovečková
OBJECTIVE: We present a case of peritoneal tuberculosis of young woman with focus on difficult diagnosis of this low incidence disease in developed countries. DESIGN: Case report. SETTING: Department of Gynaecology and Obstetrics, Faculty Hospital, Olomouc. Department of Obstetric and Gynaecology, Nový Jičín Hospital. Department of Pulmonary Diseases and Tuberculosis, Faculty Hospital, Olomouc. Department of Pathology nad Molecular Medicine, Faculty Hospital, Olomouc...
2017: Ceská Gynekologie
https://www.readbyqxmd.com/read/28924745/hypertonia-linked-protein-trak1-functions-with-mitofusins-to-promote-mitochondrial-tethering-and-fusion
#6
Crystal A Lee, Lih-Shen Chin, Lian Li
Hypertonia is a neurological dysfunction associated with a number of central nervous system disorders, including cerebral palsy, Parkinson's disease, dystonia, and epilepsy. Genetic studies have identified a homozygous truncation mutation in Trak1 that causes hypertonia in mice. Moreover, elevated Trak1 protein expression is associated with several types of cancers and variants in Trak1 are linked to childhood absence epilepsy in humans. Despite the importance of Trak1 in health and disease, the mechanisms of Trak1 action remain unclear and the pathogenic effects of Trak1 mutation are unknown...
September 18, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28924517/breast-cancer-metastases-to-the-gastrointestinal-tract-presenting-with-anemia-and-intra-abdominal-bleed
#7
Idrees Khan, Rehan Malik, Amina Khan, Salman Assad, Mehr Zahid, Muhammad Saad Sohail, Faizan Yasin, Ahmed H Qavi
Signet ring adenocarcinoma of the breast with synchronous metastasis to the gastrointestinal (GI) tract is a rare occurrence, typically presenting with abdominal pain, dyspepsia, or GI bleed. We report a case of metastatic breast cancer presenting with a complaint of anemia. A further diagnostic evaluation revealed generalized lymphadenopathy, nodular thickening of the urinary bladder wall, bone lesions, and enlarged pancreas. Biopsies from the lymph nodes, pancreatic biopsy, and bladder nodule all revealed a signet cell carcinoma...
July 6, 2017: Curēus
https://www.readbyqxmd.com/read/28924479/marked-hyperandrogenicity-in-a-60-year-old-woman
#8
Khaled Aljenaee, Sulaiman Ali, Seong Keat Cheah, Owen MacEneaney, Niall Mulligan, Neil Hickey, Tommy Kyaw Tun, Seamus Sreenan, John H McDermott
Markedly elevated androgen levels can lead to clinical virilization in females. Clinical features of virilization in a female patient, in association with biochemical hyperandrogenism, should prompt a search for an androgen-producing tumor, especially of ovarian or adrenal origin. We herein report the case of a 60-year-old woman of Pakistani origin who presented with the incidental finding of male pattern baldness and hirsutism. Her serum testosterone level was markedly elevated at 21 nmol/L (normal range: 0...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28924439/corneal-neovascularization-with-associated-lipid-keratopathy-in-a-patient-with-obstructive-sleep-apnea-hypopnea-syndrome-using-a-continuous-positive-airway-pressure-machine
#9
Konstantinos Oikonomakis, Myrsini Petrelli, Konstantinos Andreanos, Andreas Mouchtouris, Petros Petrou, Ilias Georgalas, Dimitrios Papaconstantinou, George Kymionis
OBJECTIVE: To report a case of corneal neovascularization with secondary lipid keratopathy in a patient treated with continuous positive airway pressure (CPAP) for obstructive sleep apnea-hypopnea syndrome (OSAHS). CASE REPORT: A 49-year-old male had been diagnosed with obstructive sleep apnea syndrome 10 years ago and has been treated with the application of a CPAP machine during night sleep ever since. For the past year, the patient had been complaining for ocular irritation and excessive tearing of the left eye on awakening...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28924292/hemimegalencephaly-with-intractable-epilepsy-a-case-report
#10
Prem Chand, Muhammad Faraz Raghib, Muhammad Sohail Salat, Fazal Manzoor Arain
Isolated Hemimegalencephaly (iHME) is a rare form of congenital malformation of cortical development.It is characterized by enlargement of all or part of one cerebral hemisphere. It typically presents with intractable seizures, mental retardation, developmental delay, contralateral hemiparesis and hemianopia. The patient was a five and half month's old baby girl who presented first with focal seizures at 10th day of life. No other physical or behavioral abnormality was noted. However, Initial EEG showed excessive sharp EEG transients more over the right hemisphere, repeated EEG showed spikes, polyspikes, sharps and slow wave discharges predominately over right hemisphere...
September 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28924128/igg4-related-hypophysitis-with-subtle-hypopituitarism-in-an-elderly-diabetic-patient-is-treatment-or-observation-preferable
#11
Motoki Kawasaki, Motoyoshi Tsujino, Fuminori Sato, Maya Sakurada, Kenji Nishida, Takayasu Kise, Yuko Hijioka, Mitsugu Ishizawa, Kazuaki Enatsu, Yoshihiro Ogawa
A 70-year-old man with diabetes mellitus presented with an enlarged pituitary stalk in 2014. IgG4-related parotitis and submandibular sialoadenitis were diagnosed in 2012. He denied any symptoms related to a pituitary mass. His visual field was intact, and his hypopituitarism was subtle. The serum IgG4 level was elevated. A lip biopsy revealed strong fibrosis and hyper-infiltration of IgG4-positive plasma cells. Based on these findings, IgG4-related hypophysitis was diagnosed. The patient was carefully followed without specific intervention...
September 15, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28924066/-factors-contributing-to-surgical-intervention-for-subacute-subdural-hematoma-enlargement-in-patients-with-mild-head-injuries
#12
Yosuke Akamatsu, Tohru Sasaki, Masayuki Kanamori, Shinsuke Suzuki, Hiroshi Uenohara, Teiji Tominaga
Delayed neurological deterioration following mild head injury(MHI)usually occurs within 24 hours. However, some cases require delayed surgical evacuation of an acute subdural hematoma(ASDH), owing to subacute progressive hematoma enlargement. This study aimed to determine radiological or clinical parameters associated with surgical intervention in ASDH cases in which surgery was not initially considered necessary. From 2010 to 2015, 64 patients were non-surgically treated for ASDH following MHI. We evaluated the various outcomes of eventual surgical ASDH evacuation after the first 48 hours following injury, due to hematoma enlargement and clinical deterioration...
September 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28922848/aggressive-behavior-in-silent-subtype-iii-pituitary-adenomas-may-depend-on-suppression-of-local-immune-response-a-whole-transcriptome-analysis
#13
Timothy E Richardson, Zhong-Jian Shen, Mohammed Kanchwala, Chao Xing, Alexander Filatenkov, Ping Shang, Samuel Barnett, Zahidur Abedin, James S Malter, Jack M Raisanen, Dennis K Burns, Charles L White, Kimmo J Hatanpaa
Silent subtype III pituitary adenomas (SS-3) are clinically nonfunctional adenomas that are more aggressive in terms of invasion and risk of recurrence than their conventional null cell counterparts. We previously showed that these tumors can be distinguished by immunohistochemistry based on the identification of a markedly enlarged and fragmented Golgi apparatus. To understand the molecular correlates of differential aggressiveness, we performed whole transcriptome sequencing (RNAseq) on 4 SS-3 and 4 conventional null cell adenomas...
October 1, 2017: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/28922690/wound-tension-and-closability-with-keystone-flaps-v-y-flaps-and-primary-closure-a-study-in-fresh-frozen-cadavers
#14
Lewis C Donovan, Charles D Douglas, Dirk Van Helden
BACKGROUND: Previous publications have implied that the keystone flap provides mechanical benefits compared to primary closure. This has not been objectively demonstrated. METHODS: Elliptical defects were created in 'fresh-frozen' cadaveric specimens. Two approaches were used to investigate the potential mechanical benefits of keystone flaps. Experiment 1 (wound closure): 18 defects were incrementally enlarged until they could not be closed primarily either with a single 'midpoint' suture or with a continuous suture...
September 18, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/28921172/-european-network-of-official-medicines-control-laboratories-international-omcl-working-group-combating-counterfeit-and-other-illegal-medicines
#15
REVIEW
Richard Wanko, Uwe Unkelbach
Official medicines control laboratories (OMCLs) have for a long time been involved in testing activities related to suspected counterfeit or other illegal medicines in a number of European countries in support of national enforcement authorities. With the secretarial support of the European Directorate for the Quality of Medicines & HealthCare (EDQM), from 2005 onwards, the General European OMCL Network (GEON) has gradually introduced for its members tailored tools, joint test programmes and information/discussion platforms in the field of falsified medicines testing...
September 18, 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/28919849/interhemispheric-resting-state-functional-connectivity-predicts-severity-of-idiopathic-normal-pressure-hydrocephalus
#16
Yousuke Ogata, Akihiko Ozaki, Miho Ota, Yurie Oka, Namiko Nishida, Hayato Tabu, Noriko Sato, Takashi Hanakawa
Idiopathic normal pressure hydrocephalus (iNPH) is characterized by a clinical triad (gait disturbance, dementia, and urinary incontinence), and by radiological findings of enlarged ventricles reflecting disturbance of central spinal fluid circulation. A diagnosis of iNPH is sometimes challenging, and the pathophysiological mechanisms underlying the clinical symptoms of iNPH remain largely unknown. Here, we used an emerging MRI technique, resting-state functional connectivity MRI (rsfcMRI), to develop a subsidiary diagnostic technique and to explore the underlying pathophysiological mechanisms of iNPH...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28919826/forehead-galeal-pericranial-flap-for-single-staged-total-upper-eyelid-reconstruction-in-sebaceous-gland-carcinoma-excision
#17
Hui-Hsiu Chang, Edward Suh, Blake H Fortes, Franklin Zheng, Anny Ms Cheng
PURPOSE: To present a successful case of single-staged total upper eyelid reconstruction after sebaceous gland carcinoma excision by using forehead galeal pericranial flap. OBSERVATIONS: An 80-year-old female with a progressively enlarged left upper eyelid mass presented with ocular irritation, blurred vision, and gritty sensation despite topical antibiotics treatment. This multinodular mass involved the left total upper eyelid, compromised corneal surface integrity, and caused complete ptosis...
2017: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/28919784/durable-complete-remission-of-poor-performance-status-metastatic-lung-adenocarcinoma-patient-treated-with-second-line-erlotinib-a-case-report
#18
Dragana Jovanovic, Ruza Stevic, Marta Velinovic, Milica Kontic, Dragana Maric, Jelena Spasic, Davorin Radosavljevic
This paper presents a rare case of an elderly patient treated with erlotinib for disseminated lung adenocarcinoma with poor performance status (Eastern Cooperative Oncology Group performance status [PS]3). This treatment led to a long duration of complete remission according to Response Evaluation Criteria in Solid Tumors 1.1 - almost 7 years (81 months) of progression-free survival (PFS) and overall survival (OS) of 10 years by March 2017. The treatment with erlotinib started in September 2008 and it was well tolerated with no adverse effects...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28919770/swollen-lymph-nodes-may-not-be-clinical-manifestations-of-chronic-myeloid-leukemia-case-report-and-revision-of-literature
#19
Zhihe Liu, Siyun Li, Ou Bai
We present here the case of a 33-year-old Chinese female patient with synchronous double primary malignant tumors (chronic myeloid leukemia [CML] and classic Hodgkin lymphoma). This patient was admitted to our hospital because of bilateral cervical lymph node enlargement and recurrent fever for 2 weeks. The complete blood cell count revealed white blood cell counts of 18.2×10(9)/L, hemoglobin of 9.6 g/dL, and platelet counts of 1,547×10(9)/L. Chromosome karyotype analysis demonstrated that t(9;22)(q34;q11) was positive in all 20 cells examined...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28919734/usefulness-of-the-desaturation-distance-ratio-from-the-six-minute-walk-test-for-patients-with-copd
#20
Yukari Fujimoto, Yutaro Oki, Masahiro Kaneko, Hideki Sakai, Shogo Misu, Takumi Yamaguchi, Yuji Mitani, Hisafumi Yasuda, Akira Ishikawa
PURPOSE: A straightforward, noninvasive method is needed to assess emphysema and pulmonary hypertension (PH) in COPD patients. The desaturation-distance ratio (DDR) is an index derived from the distance traveled and level of desaturation during a six-minute walk test (6MWT); it has previously been shown to be associated with percentage of forced expiratory volume in the first second of expiration (%FEV1.0) and percentage of diffusion capacity of the lung for carbon monoxide (%DLCO). The aim of this study was to examine the associations between DDR and emphysema and PH...
2017: International Journal of Chronic Obstructive Pulmonary Disease
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