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https://www.readbyqxmd.com/read/29756111/glomus-tumor-of-the-stomach
#1
Pelin Yıldız, Zuhal Gücin, Dilek Sema Arıcı, Fatma Ümit Malya, Birol Baysal
Glomus tumor is a rare benign mesenchymal neoplasm derived from the glomus body, an arteriovenous shunt mainly located in dermis and subcutis. The most common localization of this tumor is extremities, especially nailbed. Glomus tumor in the gastrointestinal system is a rare condition. Here we report a gastric glomus tumor to raise awareness of this tumor and show the difficulties in the diagnosis.
2018: Turkish Journal of Surgery
https://www.readbyqxmd.com/read/29754525/factors-affecting-surgical-outcomes-of-digital-glomus-tumor-a-multicenter-study
#2
Young Jun Kim, Dong Hee Kim, Jin Sung Park, Jong Hun Baek, Kyu Jin Kim, Jae Hoon Lee
This was a retrospective, multicentre study using data from four medical institutions of 72 patients of histologically confirmed digital glomus tumour removed by surgical excision. Mean follow-up period was 5.4 years. We investigated clinical outcomes and analysed the relationship between primary glomus tumour size, radiographic bony erosion, anatomic location, surgical approach, and surgical method as risk factors for recurrence. Complications and recurrence rate according to surgical approach and surgical method were compared...
January 1, 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29754524/glomus-tumour-of-the-wrist-involving-the-ulnar-artery
#3
Rohit Singh, Geeta Karpoor, Adrian Chojnowski
No abstract text is available yet for this article.
January 1, 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29741741/microsurgical-resection-of-glomus-jugulare-tumors-with-facial-nerve-reconstruction-3-dimensional-operative-video
#4
Duarte N C Cândido, Jean Gonçalves de Oliveira, Luis A B Borba
Paragangliomas are tumors originating from the paraganglionic system (autonomic nervous system), mostly found at the region around the jugular bulb, for which reason they are also termed glomus jugulare tumors (GJT). Although these lesions appear to be histologically benign, clinically they present with great morbidity, especially due to invasion of nearby structures such as the lower cranial nerves. These are challenging tumors, as they need complex approaches and great knowledge of the skull base. We present the case of a 31-year-old woman, operated by the senior author, with a 1-year history of tinnitus, vertigo, and progressive hearing loss, that evolved with facial nerve palsy (House-Brackmann IV) 2 months before surgery...
May 8, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29739644/evaluation-of-choroid-plexus-with-fetal-magnetic-resonance-imaging-what-happens-in-ventriculomegaly
#5
Sila Ulus, Cem Turam, Deniz Mutlu, Ipek Inal Kaleli, Mert Kocak, Umit Aksoy Ozcan
OBJECTIVES: Diagnosis of ventriculomegaly (VM) and identification of choroid plexus (CP) can be challenging with fetal magnetic resonance imaging (MRI). Our aim is to create an adjunct method for supporting the diagnosis of VM by investigating the CP-ventricular wall separation distance in fetuses with and without VM (nV) with fetal MRI. METHODS: T2-weighted fetal MRIs of 154 fetuses were retrospectively evaluated. The CP separation was defined as the distance between the medial wall of the dependent ventricle and distal tip of the CP glomus...
May 5, 2018: Brain & Development
https://www.readbyqxmd.com/read/29720134/rupture-of-a-subungual-glomus-tumor-of-the-finger
#6
Hui Lu, Li Feng Chen, Qiang Chen
BACKGROUND: Glomus tumor is a rare benign neoplasm, which most frequently occurs in the subungual regions of digits. Tumor rupture and infection occurred in one patient with a glomus tumor have never been reported. CASE PRESENTATION: We report a 59-year-old female presented to our hospital with a five-year history of progressively sharp pain and severe tenderness in the tip of her right middle finger. The treatment was surgical excision through a lateral incision accompanied with removal of the nail...
May 2, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29714667/long-term-outcomes-after-radiosurgery-for-glomus-jugulare-tumors
#7
Kita Sallabanda, Hernan Barrientos, Daniela Angelina Isernia Romero, Cristian Vargas, Jose Angel Gutierrez Diaz, Carmen Peraza, Eleonor Rivin Del Campo, Juan Manuel Praena-Fernandez, José Luis López-Guerra
AIMS AND BACKGROUND: The treatment of glomus jugulare tumors (GJT) remains controversial due to high morbidity. Historically, these tumors have primarily been managed surgically. The purpose of this retrospective review was to assess the tumor and clinical control rates as well as long-term toxicity of GJT treated with radiosurgery. METHODS: Between 1993 and 2014, 30 patients with GJT (31 tumors) were managed with radiosurgery. Twenty-one patients were female and the median age was 59 years...
April 1, 2018: Tumori
https://www.readbyqxmd.com/read/29713738/fetal-median-sacral-artery-anatomy-study-by-micro-ct-imaging
#8
P Meignan, A Binet, A R Cook, H Lardy, G Captier
PURPOSE: The median sacral artery (MSA) is the termination of the dorsal aorta, which undergoes a complex regression and remodeling process during embryo and fetal development. The MSA contributes to the pelvic vascularization and may be injured during pelvic surgery. The embryological steps of MSA development, anastomosis formation and anatomical variations are linked, but not fully understood. METHODS: The pelvic vascularization and more precisely the MSA of a human fetus at 22 weeks of gestation (GW) were studied using micro-CT imaging...
April 30, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29706031/mohs-micrographic-surgery-for-nail-unit-tumors-an-update-and-a-critical-review-of-the-literature
#9
REVIEW
M Lambertini, B M Piraccini, P A Fanti, E Dika
Mohs micrographic surgery (MMS) is a good treatment option for epithelial neoplasms, especially when localized in areas where tissue conservation is crucial, such as the nail unit (NU). MMS is a method of radical excision offering high cure rates due to the margin control and functional preservation. Our aim is to provide a review on the use of MMS for the treatment of the most common nail tumors. We revised the current literature on the use of MMS to treat malignant neoplasms (Bowen's disease, squamous cell carcinoma, melanoma, basal cell carcinoma, keratoacanthoma, carcinoma cuniculatum) and benign neoplasms (onychomatricoma and glomus tumor)...
April 28, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29671738/hif-2%C3%AE-is-essential-for-carotid-body-development-and-function
#10
David Macias, Andrew S Cowburn, Hortensia Torres-Torrelo, Patricia Ortega-Sáenz, José López-Barneo, Randall Johnson
Mammalian adaptation to oxygen flux occurs at many levels, from shifts in cellular metabolism to physiological adaptations facilitated by the sympathetic nervous system and carotid body (CB). Interactions between differing forms of adaptive response to hypoxia, including transcriptional responses orchestrated by the Hypoxia Inducible transcription Factors (HIFs), are complex and clearly synergistic. We show here that there is an absolute developmental requirement for HIF-2α, one of the HIF isoforms, for growth and survival of oxygen sensitive glomus cells of the carotid body...
April 19, 2018: ELife
https://www.readbyqxmd.com/read/29643719/glomus-tumor-with-rare-clinical-presentation-as-chronic-shoulder-pain
#11
Reddy Ravikanth, Anush Nagotu
No abstract text is available yet for this article.
January 2018: Ci Ji Yi Xue za Zhi, Tzu-chi Medical Journal
https://www.readbyqxmd.com/read/29615922/sensory-processing-and-integration-at-the-carotid-body-tripartite-synapse-neurotransmitter-functions-and-effects-of-chronic-hypoxia
#12
REVIEW
Erin M Leonard, Shaima Salman, Colin A Nurse
Maintenance of homeostasis in the respiratory and cardiovascular systems depends on reflexes that are initiated at specialized peripheral chemoreceptors that sense changes in the chemical composition of arterial blood. In mammals, the bilaterally-paired carotid bodies (CBs) are the main peripheral chemoreceptor organs that are richly vascularized and are strategically located at the carotid bifurcation. The CBs contribute to the maintenance of O2 , CO2 /H+ , and glucose homeostasis and have attracted much clinical interest because hyperactivity in these organs is associated with several pathophysiological conditions including sleep apnea, obstructive lung disease, heart failure, hypertension, and diabetes...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29607726/a-rare-case-of-schneiderian-papilloma-of-the-middle-ear-presenting-with-pulsatile-tinnitus
#13
S M Mummadi, A Darr, N Hakim, S Din, S K Bhimrao
Schneiderian papillomas (ISP) of the middle ear are uncommon conditions, with only 45 cases published within literature. They are locally aggressive tumours, with a high rate of recurrence and associated malignancy. We present a rare case of a 53-year-old man presenting with unilateral pulsatile tinnitus, otorrhoea, aural fullness, pruritis and hearing loss. Angiography was employed to exclude a glomus tumour and the patient underwent a modified radical mastoidectomy. Tissue samples confirmed a histological diagnosis of ISP of the middle ear...
April 1, 2018: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29563736/recurrent-bleeding-neck-mass-a-case-report
#14
Purushottam Chavan, Sreelekha Ray, Suma Sheshadri, Rajshekar Halkud
An adult male presented to us with a recurrent, large bleeding tumour in the neck. We describe our approach to the patient, whose tumour was labelled as an atypical glomus on final histopathology. They are relatively uncommon in the head neck, and this case report with literature review is expected to add to our knowledge.
March 2018: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29533338/radiosurgery-of-glomus-tumors-of-temporal-bone-a-meta-analysis
#15
Ronald Sahyouni, Hossein Mahboubi, Omid Moshtaghi, Khodayar Goshtasbi, Sammy Sahyouni, Harrison W Lin, Hamid R Djalilian
OBJECTIVE: 1) Perform a meta-analysis of the available data on the outcomes of stereotactic radiosurgery (SRS) for the treatment of temporal bone glomus tumors (GT), and 2) evaluate the collective outcomes of SRS treatment with respect to tumor control. DATA SOURCES: A thorough literature search of the published English-language literature from 2011 to 2016 was performed in PubMed, Ovid, and Cochrane databases using the keywords ("Gamma Knife" or "CyberKnife" or "linear accelerator" or "radiosurgery") and ("glomus jugulare" or "jugular paraganglioma" or "glomus tympanicum")...
April 2018: Otology & Neurotology
https://www.readbyqxmd.com/read/29530746/myopericytoma-of-the-lip-a-case-report-of-this-rare-lesion
#16
Eric Strayer, Roger Throndson, Cecilia Clement, Keith McDaniel
Myopericytomas are rare benign tumors that show a distinctive, concentric perivascular proliferation of oval to spindle-shaped myoid-appearing cells that are predominantly arranged concentrically around thin-walled vascular channels. These lesions are similar in histologic appearance to hemangiopericytomas, myofibromas, and glomus tumors. The myopericytoma is usually found in the distal extremities, but a handful of reports have shown the lesion to be present in the oral cavity. A review of the literature to date shows only 4 other reported cases of myopericytomas occurring in the lips...
February 19, 2018: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29524562/vasopressin-v1a-receptors-are-present-in-the-carotid-body-and-contribute-to-the-control-of-breathing-in-male-sprague-dawley-rats
#17
Tymoteusz Żera, Jacek Przybylski, Tomasz Grygorowicz, Kaja Kasarełło, Martyna Podobińska, Dagmara Mirowska-Guzel, Agnieszka Cudnoch-Jędrzejewska
Vasopressin (AVP) maintains body homeostasis by regulating water balance, cardiovascular system and stress response. AVP inhibits breathing through central vasopressin 1a receptors (V1aRs). Chemoreceptors within carotid bodies (CBs) detect chemical and hormonal signals in the bloodstream and provide sensory input to respiratory and cardiovascular centers of the brainstem. In the study we investigated if CBs contain V1aRs and how the receptors are involved in the regulation of ventilation by AVP. We first immunostained CBs for V1aRs and tyrosine hydroxylase, a marker of chemoreceptor type I (glomus) cells...
March 7, 2018: Peptides
https://www.readbyqxmd.com/read/29521602/role-of-glial-like-type-ii-cells-as-paracrine-modulators-of-carotid-body-chemoreception
#18
Colin A Nurse, Erin M Leonard, Shaima Salman
Mammalian carotid bodies (CB) are chemosensory organs that mediate compensatory cardiorespiratory reflexes in response to low blood PO2 (hypoxemia) and elevated CO2 /H+ (acid hypercapnia). The chemoreceptors are glomus or type I cells that occur in clusters enveloped by neighboring glial-like type II cells. During chemoexcitation type I cells depolarize, leading to Ca2+ -dependent release of several neurotransmitters, some excitatory and others inhibitory, that help shape the afferent carotid sinus nerve (CSN) discharge...
April 1, 2018: Physiological Genomics
https://www.readbyqxmd.com/read/29514114/long-term-effectiveness-and-safety-of-stereotactic-gamma-knife-surgery-as-a-primary-sole-treatment-in-the-management-of-glomus-jagulare-tumor
#19
Raef F A Hafez, Magad S Morgan, Osama M Fahmy, Hamdy T Hassan
OBJECTIVE: This study aims to report and confirm long-term effectiveness and safety of stereotactic Gamma Knife Surgery as a primary sole treatment in the management of 40 glomus jagulare tumors patients. PATIENTS AND METHODS: Retrospective analysis of clinical and radiological outcomes of 40 GJTs consecutive patients treated with GKS as primary sole treatment at International Medical Center (IMC), Cairo-Egypt from the beginning of 2005 till the end of 2014,with mean follow-up period of 84 months (range 36-156 months), mean tumor volume was 6...
May 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/29483981/subungual-exostosis-in-a-young-soccer-player
#20
Georgi Tchernev, Yavor Grigorov, Stanislav Philipov, Anastasiya Chokoeva, Uwe Wollina, Torello Lotti, Jose Cardoso, Irina Yungareva, Ilia Lozev, Georgi Konstantinov Maximov
BACKGROUND: Subungual exostosis is a relatively uncommon, benign osteocartilaginous tumor of the distal phalanx of the toes or fingers in young adults, considered as a rare variant of osteochondroma. Differential diagnoses include subungual verruca (viral wart), pyogenic granuloma, osteochondroma, amelanotic subungual melanoma and glomus tumour. Misdiagnosis and total onychodystrophy frequently occur as a result of late treatment or inadequate treatment strategy. Dermoscopy could be a useful technique, involved in the diagnostic process, although X-ray examination and histopathology are mandatory for the diagnosis...
January 25, 2018: Open Access Macedonian Journal of Medical Sciences
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