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https://www.readbyqxmd.com/read/28916856/a-faster-and-simpler-way-of-operation-for-meckel-s-diverticulum-basal-ligation-combined-with-intraoperative-frozen-section
#1
Jun Lei, Wei Xu, Wenping Yang, Juhua Xiao, Hui Huang, QingQiang Deng, Hongyan Xu, Liang Feng, Qiang Tao, Shouhua Zhang
BACKGROUND: The key step in Meckel's diverticulectomy (MD) is to achieve complete resection of MD along with the ectopic epithelium. Currently main treatment methods for Meckel's diverticulum are either intestinal resection and anastomosis or wedge resection. Here we introduced a new method to treat MD. The goal of this study was to investigate the clinical effects and advantages of a new operation method for Meckel's diverticulum: basal ligation combined with intraoperative frozen section...
September 15, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28899672/large-meckel-s-diverticulum-and-dilated-adjacent-small-intestine-presenting-with-intestinal-obstruction
#2
Kathleen van Malderen, Michael Camilleri
No abstract text is available yet for this article.
September 9, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28893301/intussusception-caused-by-heterotopic-gastric-mucosa-in-small-intestine-a-case-report
#3
Priyanka Anand, Sompal Singh, Namrata Sarin
BACKGROUND: Intestinal intussusception is the most frequent cause of small bowel obstruction in children between the ages of 2 months and 5 years and often remains idiopathic in etiology, even after surgery. On microscopic examination, in intussusception normal mucosa is noted but in a few cases heterotopic tissue can be seen. Heterotopic gastric mucosa in the small intestine is extremely rare except for its occurrence in remnants of Meckel's diverticulum. In view of the rarity of this condition, we report a case of ectopic gastric mucosa in the small intestine that was not associated with remnants of vitelline duct...
September 12, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28860541/functional-validation-of-novel-mks3-tmem67-mutations-in-coach-syndrome
#4
So-Hyun Lee, Tai-Seung Nam, Wenting Li, Jung Ha Kim, Woong Yoon, Yoo-Duk Choi, Kun-Hee Kim, Hua Cai, Min Jung Kim, Changsoo Kim, Hyon E Choy, Nacksung Kim, Kee Oh Chay, Myeong-Kyu Kim, Seok-Yong Choi
COACH syndrome is an autosomal recessive developmental disorder, a subtype of Joubert syndrome and related disorders, characterized by cerebellar vermis hypoplasia, oligophrenia, ataxia, coloboma, and hepatic fibrosis. Although mutations in TMEM67 (transmembrane protein 67)/MKS3 (Meckel-Gruber syndrome, type 3) were reported to cause COACH syndrome, this causality has not verified by functional studies. In a 20-year-old Korean man, we found cerebellar ataxia, isolated elevation in serum γ-glutamyl transpeptidase (γ-GTP) activity, oligophrenia, the molar tooth sign (MTS) in the brain MR images and congenital hepatic fibrosis (CHF)...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28846093/super-resolution-microscopy-reveals-that-disruption-of-ciliary-transition-zone-architecture-causes-joubert%C3%A2-syndrome
#5
Xiaoyu Shi, Galo Garcia Iii, Julie C Van De Weghe, Ryan McGorty, Gregory J Pazour, Dan Doherty, Bo Huang, Jeremy F Reiter
Ciliopathies, including nephronophthisis (NPHP), Meckel syndrome (MKS) and Joubert syndrome (JBTS), can be caused by mutations affecting components of the transition zone, a domain near the base of the cilium that controls the protein composition of its membrane. We defined the three-dimensional arrangement of key proteins in the transition zone using two-colour stochastic optical reconstruction microscopy (STORM). NPHP and MKS complex components form nested rings comprised of nine-fold doublets. JBTS-associated mutations in RPGRIP1L or TCTN2 displace certain transition-zone proteins...
August 28, 2017: Nature Cell Biology
https://www.readbyqxmd.com/read/28845040/surgical-anatomy-for-the-endoscopic-endonasal-approach-to-the-ventrolateral-skull-base
#6
Kenichi Oyama, Shigeyuki Tahara, Toshio Hirohata, Yudo Ishii, Daniel M Prevedello, Ricardo L Carrau, Sebastien Froelich, Akira Teramoto, Akio Morita, Akira Matsuno
The authors describe the surgical anatomy for the endoscopic endonasal approach (EEA) to the ventrolateral skull base. The ventrolateral skull base can be divided into two segments: the upper lateral and lower lateral skull base. The upper lateral skull base includes the cavernous sinus and the orbit, while the lower lateral skull base includes the petrous apex, Meckel's cave, parapharyngeal space, infratemporal fossa, etc. To gain access to the upper lateral skull base, a simple opening of the ethmoid sinus provides sufficient exposure of this area...
August 25, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28835654/a-method-to-generate-small-scale-high-resolution-sedimentary-bedform-architecture-models-representing-realistic-geologic-facies
#7
T A Meckel, L Trevisan, P G Krishnamurthy
Small-scale (mm to m) sedimentary structures (e.g. ripple lamination, cross-bedding) have received a great deal of attention in sedimentary geology. The influence of depositional heterogeneity on subsurface fluid flow is now widely recognized, but incorporating these features in physically-rational bedform models at various scales remains problematic. The current investigation expands the capability of an existing set of open-source codes, allowing generation of high-resolution 3D bedform architecture models...
August 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28834452/reminiscing-on-remnants-imaging-of-meckel-diverticulum-and-its-complications-in-adults
#8
Argha Chatterjee, Carla Harmath, Camila Lopes Vendrami, Nancy A Hammond, Pardeep Mittal, Riad Salem, Frank H Miller
OBJECTIVE: Meckel diverticulum may become symptomatic if it is complicated by hemorrhage, intestinal obstruction, diverticulitis, or tumor. Although classically described in children, it is often missed in adults because of lack of suspicion and difficulty in detection. The purpose of this article is to review the imaging findings and management of Meckel diverticulum and its complications. CONCLUSION: Although it is infrequently encountered incidentally, Meckel diverticulum should be considered especially when interpreting examinations for abdominal pain, small-bowel obstruction, and gastrointestinal bleeding...
August 23, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28828083/increased-prevalence-of-the-il-6-174c-genetic-polymorphism-in-long-distance-swimmers
#9
Sigal Ben-Zaken, Yoav Meckel, Dan Nemet, Eias Kassem, Alon Eliakim
The IL-6 -174G/C single nucleotide polymorphism (SNP) functionally affects IL-6 activity, with the G-allele associated with increased IL-6 levels. The C-allele was found to be associated with exercise-induced skeletal muscle damage. The aim of the present study was to examine the association between the IL-6 -174G/C polymorphism and athletic performance among elite swimmers and runners. The study sample included 180 track and field athletes and 80 swimmers. Track and field athletes were assigned to three sub-groups: long-distance runners, middle-distance runners and short-distance runners...
September 2017: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28812679/meckel-s-cartilage-breakdown-offers-clues-to-mammalian-middle-ear-evolution
#10
Neal Anthwal, Daniel J Urban, Zhe-Xi Luo, Karen E Sears, Abigail S Tucker
A key transformation in mammalian ear evolution was incorporation of the primary jaw joint of premammalian synapsids into the definitive mammalian middle ear of living mammals. This evolutionary transition occurred in two steps, starting with a partial or 'transitional' mammalian middle ear in which the ectotympanic and malleus were still connected to the mandible by an ossified Meckel's cartilage (MC), as observed in many Mesozoic mammals. This was followed by MC breakdown, freeing the ectotympanic and the malleus from the mandible and creating the definitive mammalian middle ear...
March 6, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812468/the-first-reported-case-of-meckel-gruber-syndrome-associated-with-abnormal-karyotype-mosaic-trisomy-17
#11
Zuzana Cierna, Pavol Janega, Frantisek Grochal, Vladimir Ferianec, Tatiana Braxatorisova, Lucia Strieskova, Jana Malova, Petra Jungova, Tomas Szemes
Meckel-Gruber syndrome (MKS) is a rare lethal autosomal recessive disorder with typical anomalies including encephalocele, multicystic renal dysplasia, congenital liver fibrosis, and polydactyly. MKS is caused by mutations of genes localized on different chromosomes. Karyotypes of published Meckel-Gruber syndrome cases are without any aberrations. We present a male fetus with meningoencephalocele, multicystic renal dysplasia, congenital liver fibrosis, and other anomalies. Standard cytogenetic examination of cultured fetal skin and muscle fibroblasts showed mosaic trisomy 17...
September 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28811097/type-i-collagen-promotes-primary-cilia-growth-through-down-regulating-hdac6-mediated-autophagy-in-confluent-mouse-embryo-fibroblast-3t3-l1-cells
#12
Qian Xu, Weiwei Liu, Xiaoling Liu, Wuxiyar Otkur, Toshihiko Hayashi, Masayuki Yamato, Hitomi Fujisaki, Shunji Hattori, Shin-Ichi Tashiro, Takashi Ikejima
Primary cilia are microtubule-based organelles that extend from nearly all vertebrate cells. Abnormal ciliogenesis and cilia length are suggested to be associated with hypertension and obesity as well as diseases such as Meckel-Gruber syndrome. Extracellular matrix (ECM), comprising cellular microenvironment, influences cell shape and proliferation. However, influence of ECM on cilia biogenesis has not been well studied. In this study we examined the effects of type I collagen (col I), the major component of ECM, on primary cilia growth...
August 12, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28796070/clinical-characteristics-of-meckel-diverticulum-in-children-a-retrospective-review-of-a-15-year-single-center-experience
#13
Xiao-Kun Lin, Xiao-Zhong Huang, Xiao-Zhou Bao, Na Zheng, Qiong-Zhang Xia, Cong-de Chen
Meckel diverticulum is the most prevalent congenital abnormality of the gastrointestinal tract in children. The aim of this study was to review and analyze clinical data on the diagnosis and management of Meckel diverticulum in pediatric patients. The records of 102 pediatric patients (<14 years old) who underwent surgery for Meckel diverticulum at our institute between 2001 and 2015 were reviewed. Clinical, imaging, laboratory, surgical, and pathological data were recorded. The series comprised 65 males and 37 females with a median age of 5...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28792510/morphological-and-taxonomic-descriptions-of-a-new-genus-and-species-of-killifishes-teleostei-cyprinodontiformes-from-the-high-andes-of-northern-chile
#14
Gloria Arratia, Irma Vila, Natalia Lam, Claudia Jimena Guerrero, Claudio Quezada-Romegialli
A new genus and species, Pseudorestias lirimensis, is described from the southern part of the Chilean Altiplano. While sharing several characters that clearly align the new species with Orestias, this new fish is characterized by numerous autapomorphies: the Meckel cartilage is a continuous cartilage that broadly expands posteriorly (in large specimens, it keeps its anterior part and is resorbed posteriorly), the basibranchials are fused into one long element, the second pharyngobranchial is not displaced dorsally over pharyngobranchial tooth plate 3+4, but they are aligned, the anterior and posterior ceratohyals are closely articulated keeping a scarce amount of cartilage between both bones and ventral to them, ossified middle and distal dorsal radials are present in females as well as ossified middle and distal anal radials...
2017: PloS One
https://www.readbyqxmd.com/read/28783116/teratogenic-effects-of-topiramate-in-a-zebrafish-model
#15
Yu-Heng Lai, Yu-Ju Ding, David Moses, Yau-Hung Chen
Topiramate is commonly used for treating epilepsy in both children and adults. Recent clinical data suggests that administration of topiramate to women during pregnancy increases the risk of oral clefts in their offspring. To better understand the potential effects of topiramate, we dosed adult female zebrafish with topiramate, and investigated the altered morphologies in adult females and their offspring. It showed that topiramate-treated female fish had reduced oocyte maturation, and the survival rates of their offspring were seriously decreased during embryogenesis...
August 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28770124/omphalocele-and-gastroschisis-in-newborns-over-16-years-of-experience-from-a-single-clinic
#16
Shunusuke Watanabe, Tatuya Suzuki, Fujio Hara, Toshihiro Yasui, Naoko Uga, Atuki Naoe
Infants born with potentially life-threatening conditions of omphalocele and gastroschisis may require long-term hospitalization. We aimed to compare the outcomes of these two conditions occurring over a 16-year period (2001-16). It is a retrospective study of 19 newborns undergoing surgery for these two abdominal wall defects (8 patients with omphalocele and 11 cases of gastroschisis). The average birth weights for the newborns with omphaloceles and gastroschisis were 2554.5 g and 2248.6 g respectively. Associated anomalies included trisomy 18, Beckwith-Wiedemann syndrome, congenital heart disease, Meckel's diverticulum, inguinal hernias, renal deformities, limb deformities, cryptorchidism, body stalk anomalies, and closed gastroschisis...
April 2017: Journal of Neonatal Surgery
https://www.readbyqxmd.com/read/28769044/intercellular-genetic-interaction-between-irf6-and-twist1-during-craniofacial-development
#17
Walid D Fakhouri, Kareem Metwalli, Ali Naji, Sarah Bakhiet, Angela Quispe-Salcedo, Larissa Nitschke, Youssef A Kousa, Brian C Schutte
Interferon Regulatory Factor 6 (IRF6) and TWIST1 are transcription factors necessary for craniofacial development. Human genetic studies showed that mutations in IRF6 lead to cleft lip and palate and mandibular abnormalities. In the mouse, we found that loss of Irf6 causes craniosynostosis and mandibular hypoplasia. Similarly, mutations in TWIST1 cause craniosynostosis, mandibular hypoplasia and cleft palate. Based on this phenotypic overlap, we asked if Irf6 and Twist1 interact genetically during craniofacial formation...
August 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28762108/trigeminal-neuropathy-associated-with-an-enlarging-arachnoid-cyst-in-meckel-s-cave-case-report-management-strategy-and-review-of-the-literature
#18
Mark G Bigder, Adel Helmi, Anthony M Kaufmann
We describe a rare case and novel management strategy of painful trigeminal neuropathy caused by an arachnoid cyst confined to Meckel's cave. A 57-year-old female presented with several years of progressive trigeminal pain and signs of trigeminal deafferentation, including sensory loss, corneal anesthesia and mastication muscle atrophy. Medical treatment with carbamazepine provided partial and temporary pain control. Surgical treatment was eventually performed by aspiration of the arachnoid cyst through the foramen ovale using a percutaneous approach...
July 31, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28758183/neuronavigation-guided-endoscopic-endonasal-excision-of-schwannoma-like-chordoma-of-the-meckel-s-cave-a-case-report
#19
Ali Akay, Sercan Göde, M Sedat Çağli
Chordomas are locally aggressive malignant tumors due to their recurrence potential, originating from the embryonic notochord remnants. Chordomas can originate anywhere on the axial skeleton. They are extradural and are spread by bone destruction. Chordomas are locally aggressive tumors which invade the dura mater, and may also present with secondary intradural growth. The Meckel's cave location of chordomas has been very rarely reported in the literature. Chordomas located in the Meckel's cave can be radiologically confused with trigeminal schwannomas...
June 14, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28757668/perceiving-emotion-in-non-social-targets-the-effect-of-trait-empathy-on-emotional-contagion-through-art
#20
Olga Stavrova, Andrea Meckel
This research examines the role of trait empathy in emotional contagion through non-social targets-art objects. Studies 1a and 1b showed that high- (compared to low-) empathy individuals are more likely to infer an artist's emotions based on the emotional valence of the artwork and, as a result, are more likely to experience the respective emotions themselves. Studies 2a and 2b experimentally manipulated artists' emotions via revealing details about their personal life. Study 3 experimentally induced positive vs...
2017: Motivation and Emotion
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