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https://www.readbyqxmd.com/read/29330796/monitoring-functional-responses-to-hypoxia-in-single-carotid-body-cells
#1
Ana María Muñoz-Cabello, Hortensia Torres-Torrelo, Ignacio Arias-Mayenco, Patricia Ortega-Sáenz, José López-Barneo
The carotid body is the main arterial chemoreceptor in mammals that mediates the cardiorespiratory reflexes activated by acute hypoxia. Here we describe the protocols followed in our laboratory to study responsiveness to hypoxia of single, enzymatically dispersed, glomus cells monitored by microfluorimetry and the patch-clamp technique.
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29319034/the-mimic-of-tracheal-carcinoid-in-elderly-female
#2
Parth Rali, Namrata Jasani, Hammad Arshad, Jianwu Xie, Marvin Balaan
We present a case of a glomus tumor of trachea in an elderly female who presented with a mass originating from the posterior trachea. She underwent rigid bronchoscopy with tumor debulking combined with laser therapy. Frozen section initially suggested carcinoid tumor but later turned out to be a glomus tumor. She improved with additional laser therapy. We present her clinical course and a literature review on glomus tumor.
January 2018: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/29296650/a-case-of-a-glomus-tumor-presenting-as-an-atypical-hyperkeratotic-papule-of-the-hypothenar-palm
#3
Isabelle M Sanchez, Dan Ilkovitch
No abstract text is available yet for this article.
January 2018: JAAD Case Reports
https://www.readbyqxmd.com/read/29275234/a-case-of-gastric-glomus-tumor-resection-using-laparoscopy-endoscopy-cooperative-surgery-lecs
#4
Taro Aoba, Takehito Kato, Kazuhiro Hiramatsu, Yoshihisa Shibata, Motoi Yoshihara, Naoya Yamaguchi, Tadahiro Kamiya
INTRODUCTION: Gastric glomus tumors are rare submucosal mesenchymal tumors. Because gastric glomus tumors are submucosal tumors and resemble gastrointestinal stromal tumors (GISTs), preoperative diagnosis is difficult. We present a case of gastric glomus tumor that was removed by laparoscopy endoscopy cooperative surgery (LECS). CASE PRESENTATION: A 67-year-old female was taken to the emergency room at our hospital due to epigastric pain. An upper gastrointestinal endoscopy revealed a submucosal tumor (SMT) located in the lesser curvature of the upper body of the stomach...
December 16, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29244665/osseous-myopericytoma-simulating-a-giant-cell-tumor-of-bone-a-case-report
#5
Eric Bellinger, Ivy John, Daniel Zaccarini, Timothy A Damron
CASE: Myopericytoma is a benign perivascular myoid neoplasm that typically presents in the dermal and subcutaneous soft tissues of the distal aspect of the extremities. These types of tumor form a clinicopathological spectrum with myofibromas, angiopericytomas, angioleiomyomas, and glomus tumors. Intraosseous myopericytomas are exceptionally rare, and to our knowledge, no cases of myopericytoma involving long bones previously have been described. We present a case of myopericytoma occurring in the distal aspect of the femur of a 36-year-old man...
April 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29243786/spectrum-of-gastric-histopathologies-in-morbidly-obese-turkish-patients-undergoing-laparoscopic-sleeve-gastrectomy
#6
U Dogan, D Suren, M T Oruc, A A Gokay, B Mayir, T Cakir, A Aslaner, O Z Oner, N Bulbuller
OBJECTIVE: In this study, we aimed to describe the findings associated with gastric pathology and to identify the prevalence of Helicobacter pylori (H. pylori) in patients undergoing laparoscopic sleeve gastrectomy (LSG). PATIENTS AND METHODS: Gastric specimens of a total of 291 patients (225 females, 66 males; mean age: 42 years; range: 18 to 60 years) who underwent LSG for the treatment of morbid obesity were analyzed. Histopathologic diagnoses and their relation with body mass index (BMI), age and gender were evaluated...
December 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29241123/effects-of-arbuscular-mycorrhizal-inoculation-and-biochar-amendment-on-maize-growth-cadmium-uptake-and-soil-cadmium-speciation-in-cd-contaminated-soil
#7
Ling Liu, Jiwei Li, Feixue Yue, Xinwei Yan, Fayuan Wang, Sean Bloszies, Yanfang Wang
Experiments conducted to understand how arbuscular mycorrhizal (AM) inoculation or biochar application affect plant growth and heavy metal uptake have thus far looked at single applications of either soil amendment. There is little evidence of their synergistic effects, in particular for plants grown in cadmium (Cd) contaminated soil. We conducted a mesocosm experiment to investigate the effect of AM inoculation (Glomus intraradices BEG 141) and/or wheat-straw biochar amendment on maize (Zea mays L. cv. Hongdan No...
December 6, 2017: Chemosphere
https://www.readbyqxmd.com/read/29234266/glomus-tumor-of-the-scrotum-a-case-report-and-mini-review
#8
Kareim Khalafalla, Abdulla Al-Ansari, Abdelfftah Omran, Hanan Farghaly, Abdulqadir Alobaidy
Glomus tumor in the genital area is extremely rare, with an extensive search in the medical literature revealing only 1 case arising in the scrotum. They can be easily mistaken, both clinically and radiologically, for skin neoplasms or primary testicular tumors involving the scrotum. This report presents a case of a 54-year-old man who presented with a painful right scrotal swelling. Ultrasound suggested the possibility of an epidermal inclusion cyst. The excised mass was diagnosed as a benign glomus tumor...
November 2017: Current Urology
https://www.readbyqxmd.com/read/29230378/species-diversity-and-drivers-of-arbuscular-mycorrhizal-fungal-communities-in-a-semi-arid-mountain-in-china
#9
He Zhao, Xuanzhen Li, Zhiming Zhang, Yong Zhao, Jiantao Yang, Yiwei Zhu
Arbuscular mycorrhizal fungi (AMF) play an essential role in complex ecosystems. However, the species diversity and composition of AMF communities remain unclear in semi-arid mountains. Further, it is not well understood if the characteristics of AMF community assemblies differ for different habitat types, e.g., agricultural arable land, artificial forest land, natural grassland, and bush/wood land. Here, using the high-throughput technology by Illumina sequencing on the MiSeq platform, we explored the species diversity and composition of soil AMF communities among different habitat types in a semi-arid mountain (Taihang Mountain, Mid-western region of China)...
2017: PeerJ
https://www.readbyqxmd.com/read/29228343/long-term-outcome-following-stereotactic-radiosurgery-for-glomus-jugulare-tumors-a-single-institution-experience-of-20-years
#10
Mayur Sharma, Antonio Meola, Sushma Bellamkonda, Xuefei Jia, Joshua Montgomery, Samuel T Chao, John H Suh, Lilyana Angelov, Gene H Barnett
BACKGROUND: Glomus jugulare tumors (GJTs) are rare benign tumors, which pose significant treatment challenges due to proximity to critical structures. OBJECTIVE: To evaluate the long-term clinical and radiological outcome in patients undergoing stereotactic radiosurgery (SRS) for GJTs through retrospective study. METHODS: Forty-two patients with 43 GJTs were treated using Gamma Knife radiosurgery (GKRS; Elekta AB, Stockholm, Sweden) at our institute from 1997 to 2016...
December 4, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29221662/rare-presentation-of-the-glomus-tumor-in-the-stomach
#11
Maryam Masouminia, Hassan Abdul Ghani, Dingle Foote, Danielle Hari, Samuel French
No abstract text is available yet for this article.
December 5, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/29221350/glomus-tumors-of-the-trachea-2-case-reports-and-a-review-of-the-literature
#12
Chun Wang, Yuan Ma, Xin Zhao, Pei-Li Sun, Ying-Ming Zhang, Mao Huang, Yan Zhu, Shu-Xian Jin
Glomus tumors (GTs) of the trachea are very rare neoplasms that usually arise from the distal portion of the respiratory tree. The origin of these tumors is modified smooth muscle cells of glomus bodies. In this study, we describe two cases of GT of the trachea, as well as the histologic features of these tumors and their treatments. One tumor was diagnosed via bronchoscopic biopsy, and the other tumor was diagnosed via surgery. Clinical follow-up showed that the two patients are alive and well after 8 and 15 months post-treatment, respectively...
September 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29188057/subungual-onychomycosis-due-to-aspergillus-niger-mimicking-a-glomus-tumor-a-case-report
#13
Yumi Matsuyama, Tomoki Nakamura, Tomohito Hagi, Kunihiro Asanuma, Akihiro Sudo
Onychomycosis is a common nail infection caused by dermatophytes, while non-dermatophytes including Aspergillus spp. are causes of nail onychomycosis. Aspergillus niger is not common as a cause of nail onychomycosis. In the current study we present a 60-year-old woman with subungual onychomycosis due to Aspergillus niger mimicking a glomus tumor. Physical examination revealed right thumb had a black color of nail bed. Localized tenderness and severe pain were observed. However, the cold sensitivity test, Loves pin test and Hildreths test were negative...
December 2017: Biomedical Reports
https://www.readbyqxmd.com/read/29169693/specific-localization-of-manserin-peptide-in-the-rat-carotid-body
#14
Michiru Ida-Eto, Takeshi Ohkawara, Masaaki Narita
The carotid body, located at the bifurcation of the common carotid artery, is a small sensory organ that detects changes in oxygen concentration and plays a vital role in controlling respiration. Although several molecules, such as neurotransmitters and neuropeptides, are involved in the regulation of the respiratory system, their detailed mechanisms have not been established yet. This study identifies that the presence of manserin, a neuropeptide, in the carotid body may play a crucial role in regulating respiration...
November 20, 2017: Acta Histochemica
https://www.readbyqxmd.com/read/29163421/arbuscular-mycorrhizal-fungal-community-composition-in-carludovica-palmata-costus-scaber-and-euterpe-precatoria-from-weathered-oil-ponds-in-the-ecuadorian-amazon
#15
Mónica Garcés-Ruiz, Carolina Senés-Guerrero, Stéphane Declerck, Sylvie Cranenbrouck
Arbuscular mycorrhizal fungi (AMF) are ubiquitous to most natural and anthropized ecosystems, and are often found in polluted environments. However, their occurrence and community composition in highly weathered petroleum-polluted soils has been infrequently reported. In the present study, two ponds of weathered crude oil and their surrounding soil from the Charapa field in the Amazon region of Ecuador were selected and root colonization by AMF of their native plants investigated. The AMF community was further analyzed in three selected plant species (i...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29160573/activation-of-voltage-dependent-k-channels-strongly-limits-hypoxia-induced-elevation-of-ca-2-i-in-rat-carotid-body-glomus-cells
#16
Jiaju Wang, Donghee Kim
Large-conductance KCa (BK) and other voltage-dependent K(+) channels (Kv) are highly expressed in carotid body (CB) glomus cells, but their role in hypoxia-induced excitation is still not well defined and remains controversial. We addressed this issue by studying the effects of inhibitors of BK (IBTX) and BK/Kv (TEA/4-AP) on [Ca(2+) ]i responses to a wide range of hypoxia at different levels of resting cell Em. IBTX and TEA/4-AP did not affect the basal [Ca(2+) ]i in isolated glomus cells bathed in 5 mm KClo , but elicited transient increases in [Ca(2+) ]i in cells that were moderately depolarized (11-20 mV) by elevation of [KCl]o (12-20 mm)...
November 21, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/29136717/-two-cases-report-of-glomus-tumor-of-the-trachea
#17
J Wu, L H Xing, Q X Zhang
No abstract text is available yet for this article.
November 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/29136694/-endoscopic-full-thickness-resection-of-synaptophysin-positive-glomus-tumor-in-gastric-body-report-of-a-case
#18
P Sun, H Lyu, Y Jin
No abstract text is available yet for this article.
November 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29136687/-gastric-glomus-tumors-expressing-synaptophysin-clinicopathologic-and-immunohistochemical-analyses
#19
J C Wang, X F Jin, S X Weng, C Xu, M F Gan
Objective: To investigate the clincopathologic and immunohistochemical features of gastric glomus tumors and their differences from gastric neuroendocrine neoplasms. Methods: Six cases of gastric glomus tumors, 8 cases of glomus tumors in other sites and 7 cases of gastric neuroendocrine neoplasms were collected from the Department of Pathology, Taizhou Hospital. The clinicopathological and immunohistochemical characteristics of these tumors were analyzed retrospectively. Results: The gastric glomus tumors were located in the muscularis propria of the antrum and most cases strongly expressed synaptophysin (5/6)...
November 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/29118669/glomangiomyoma-of-the-neck-in-a-child-in-nepal-a-rare-case-report-and-literature-review
#20
Bishow Tulachan, Buddha Nath Borgohain
Background: Glomangiomyoma is a rare histological variant of glomus tumour. Clinically, it mimicks as a haemangioma and is challenging to diagnose. Its occurrence in the neck of a child has not been previously described. Case presentation: A 3 year old girl presented with the complaints of painless progressive neck swelling in the right side for one and half year. Sonography, computed tomography (CT), magnetic resonance imaging (MRI), CT neck angiography and fine needle aspiration cytology (FNAC) were suggestive of vacular malformation i...
2017: BMC Ear, Nose, and Throat Disorders
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