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https://www.readbyqxmd.com/read/29889275/myopericytoma-at-the-craniocervical-junction-clinicopathological-report-and-review-of-a-rare-perivascular-neoplasm
#1
Jimmy C Yang, Andrew S Venteicher, Matthew J Koch, Christopher J Stapleton, Gabriel N Friedman, Emma M Venteicher, John H Shin
BACKGROUND AND IMPORTANCE: Myopericytoma is an emerging class of neoplasm originating from the perivascular myoid cellular environment, previously classified as a variant of hemangiopericytoma. Most reported myopericytomas are found in soft tissues of the extremities; however, infrequent cases are described involving the central nervous system. Intracranial myopericytoma remains rare. Here, we describe the first report of myopericytoma occurring at the cervicomedullary junction in close proximity to the vertebral artery, mimicking a vascular lesion...
June 8, 2018: Neurosurgery
https://www.readbyqxmd.com/read/29862096/gastric-glomus-tumor-an-uncommon-source-for-an-acute-upper-gi-bleed
#2
Douglas Morte, Jason Bingham, Vance Sohn
Background: Glomus tumors are uncommon mesenchymal neoplasms originating from modified smooth muscle cells in the glomus body. They are generally small, solitary lesions found in the distal extremities. Rarely, involvement in the abdominal viscera can occur. In such cases, hematemesis/melena and epigastric discomfort are the most common initial symptoms. Although gastric glomus tumors can demonstrate malignant behavior, criteria for identifying malignant potential have yet to be established...
2018: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/29858925/preservation-of-the-facial-and-lower-cranial-nerves-in-glomus-jugulare-tumor-surgery-modifying-our-surgical-technique-for-improved-outcomes
#3
Rubens de Brito, Juan Carlos Cisneros Lesser, Paula Tardim Lopes, Ricardo Ferreira Bento
PURPOSE: To describe the neurological results obtained in six patients with large Fisch C glomus jugulare tumors (GJT) in which a less aggressive, nerve-preserving surgical strategy was used to reduce surgical morbidity. METHODS: Prospective study of six patients with Fisch C GJT who underwent surgery in a tertiary care referral center from February 2015 to August 2017 with an average follow-up of 18 months. The intervention is the surgical technique used and the main outcome measures are recurrence and the functional preservation of the facial and lower cranial nerves...
June 1, 2018: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29756111/glomus-tumor-of-the-stomach
#4
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
#5
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/29741741/microsurgical-resection-of-glomus-jugulare-tumors-with-facial-nerve-reconstruction-3-dimensional-operative-video
#6
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/29720134/rupture-of-a-subungual-glomus-tumor-of-the-finger
#7
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
#8
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/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/29643719/glomus-tumor-with-rare-clinical-presentation-as-chronic-shoulder-pain
#10
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/29533338/radiosurgery-of-glomus-tumors-of-temporal-bone-a-meta-analysis
#11
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
#12
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/29514114/long-term-effectiveness-and-safety-of-stereotactic-gamma-knife-surgery-as-a-primary-sole-treatment-in-the-management-of-glomus-jagulare-tumor
#13
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
#14
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
https://www.readbyqxmd.com/read/29400379/case-report-of-a-rare-glomus-jugulare-tumor-extended-within-the-extracranial-internal-jugular-vein-emphasis-on-initial-ultrasound-findings-and-literature-review
#15
Qing Deng, Yijia Wang, Xiaoyi Chen, Qing Zhou
Glomus jugulare tumor (GJT) is a rare benign neoplasm that is located in the skull base; it is impossible for ultrasonography to detect it in most cases. In this article, we present the case of a rare giant GJT, which extended into the internal jugular vein in the neck, initially detected by ultrasonography and confirmed by MRI and pathology. We highlight the initial ultrasonography findings and review the literature to summarize the ultrasonographic features of GJT.
February 4, 2018: Medical Ultrasonography
https://www.readbyqxmd.com/read/29383310/total-endoscopic-approach-in-glomus-tympanicum-surgery
#16
Ahmad Daneshi, Alimohamad Asghari, Saleh Mohebbi, Mohammad Farhadi, Farhad Farahani, Mohammad Mohseni
Introduction: Glomus tympanicum (GT) is a benign primary tumor of the middle ear. The evolution of endoscopic ear surgery has allowed for an alternative approach to managing this vascular tumor. The purpose of this study was to evaluate an endoscopic approach in GT surgery, and also to investigate its applicability and feasibility. Materials and Methods: Prospectively, 13 class I and II patients, according to the Glasscock-Jackson glomus classification, were candidates for management via a transcanal endoscopic approach...
November 2017: Iranian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/29375904/chest-wall-a-structure-underestimated-in-ultrasonography-part-iii-neoplastic-lesions
#17
REVIEW
Andrzej Smereczyński, Katarzyna Kołaczyk, Elżbieta Bernatowicz
Chest wall neoplasms mainly include malignancies, metastatic in particular. Differential diagnosis should include clinical data; tumor location, extent, delineation; the degree of homogeneity; the presence of calcifications; the nature of bone destruction and the degree of vascularization. The aim of the paper is to present both the benefits and limitations of ultrasound for the diagnosis of chest wall neoplasms. The neoplastic process may be limited to the chest wall; it may spread from the chest wall into the intrathoracic structures or spread from the inside of the chest towards the chest wall...
December 2017: Journal of Ultrasonography
https://www.readbyqxmd.com/read/29354753/unusual-imaging-presentation-of-spinal-glomus-tumor-case-report
#18
Chao-Hung Kuo, Wen-Cheng Huang, Jau-Ching Wu
A glomangioma, also known as a glomus tumor, is a benign lesion and had rare occurrence of spine region. In this study, we presented a spinal glomus tumor with an unusual radiological presentation, which is different from osteolytic intraosseous patterns illustrated before. A 26-year-old male with compressive myelopathy caused by epidural intraspinal lesion over T11 level. Radiological presentation revealed reactive sclerotic change over the body and lamina was found on the same level in computed tomography (CT) examination...
December 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29354168/glomus-tumor-as-a-cause-of-oncogenic-osteomalacia
#19
Mehdi Dehghani, Mohammad Hossien Dabbaghmanesh, Abolfazele Khalafi-Nezhad, Nader Riazmontazer, Amireza Dehghanian, Reza Vojdani, Mohammadreza Sasani
Many tumors that occasionally are benign in origin causes hypophosphatemic osteomalacia. Here we present a case of glomus tumor in a 59-year-old man with oncogenic osteomalacia. Diagnosis was made after observation of abnormal increase activity in octreotide scan. The magnetic resonance imaging showed a round lesion in left ankle joint. Surgical excision of tumor was curative and all symptoms and intractable hypophosphatemia improved after few weeks.
September 2017: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/29344258/involvement-of-breast-cancer-stem-cells-in-tumor-angiogenesis
#20
Yu Wang, Chen Li, Yuqiang Li, Zhitu Zhu
The aim of the present study was to investigate the role of breast cancer stem cells (BCSCs) in the angiogenesis of breast cancer tumors. The expression levels of mutant p53, cluster of differentiation (CD)31, vascular endothelial factor (VEGF), in addition to human epidermal growth factor (HER)2, were detected in the blood vessels of human breast cancer (BC) tissue samples. CD44+/CD24-/low cells were selected from single-cell suspensions of BC tissues to assess the expression of CD31 and CD105, in addition to the ability of these cells to metabolize acetylated low-density lipoprotein (Ac-LDL)...
December 2017: Oncology Letters
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