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    Glomus Tumor of the Sciatic Nerve: An Extraspinal Cause of Sciatica.
    Orthopedics 2017 Sep 21:1-3. Epub 2017 Sep 21.
    Glomus tumors are small, benign tumors that arise from glomus bodies, structures found normally within the dermis that assist in temperature regulation via their vasoconstrictive response to sympathetic stimuli. Glomus tumors are found typically in the hand and are classically a cause of focal pain and temperature sensitivity. They often present as a small blue lesion seen under the nail bed of a finger or a toe and cause point tenderness. Read More

    Extradigital glomic tumor of the forearm. About a case and review of literature.
    Ann Chir Plast Esthet 2017 Sep 15. Epub 2017 Sep 15.
    Service de chirurgie plastique et reconstructrice, centre des brûlés, hôpital Hôtel-Dieu, CHU de Nantes, place Alexis-Ricordeau, 44093 Nantes cedex 01, France. Electronic address:
    We report the clinical case of a 72-year-old man followed for 10years by a specialized pain center, for neuropathic pain poorly systematized, triggered by the contact of the anteromedial face of the right forearm. After surgical excision, histological analysis indicated a well-circumscribed nodule in the subcutaneous region, confirming that the mass was a glomus tumor. In this clinical case, surgical excision allowed an immediate disappearance of the pains without recurrence to this day. Read More

    [Primary tracheal malignant glomus tumor with lung metastasis diagnosed by pathological analysis: a case report and literature review].
    Zhonghua Jie He He Hu Xi Za Zhi 2017 Sep;49(9):697-702
    Department of Respiratory Medicine, Affiliated Shantou Hospital of Sun Yat-sen University, Shantou 515000, China.
    Objective: To study the clinical manifestations, pathological features, diagnosis, differential diagnosis, treatment and prognosis of primary tracheobronchial or pulmonary malignant glomus tumor (MGT). Methods: A case of primary tracheal MGT with lung metastasis diagnosed by pathological analysis admitted to Affiliated Shantou Hospital of Sun Yat-sen University in May. 2015 was analyzed, and the related literatures were reviewed. Read More

    An Extradigital Glomus Tumor of the Median Antebrachial Vein.
    J Hand Surg Am 2017 Sep 6. Epub 2017 Sep 6.
    Department of Plastic Surgery, Cleveland Clinic Florida, Weston, FL.
    Glomus tumors are benign vascular neoplasms that arise from specialized dermal arteriovenous anastomoses called glomus bodies. These tumors are most often found in the digital pulp and subungual region of the fingertips; however, a review of the literature suggests that extradigital glomus tumors may occur more often than is generally recognized. Although most extradigital glomus tumors arise within subcutaneous tissues, glomus tumors have occasionally been found within bones, nerves, and blood vessels. Read More

    Primary Intracranial Extraskeletal Mesenchymal Chondrosarcoma: Clinical Mimicry as Glomus Jugulare.
    Ann Neurosci 2017 Jul 24;24(3):181-186. Epub 2017 Jul 24.
    Department of Neurosurgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India.
    Background: Extraskeletal mesenchymal chondrosarcoma (ESMCS) is an unusual pathologic variant of chondrosarcoma. There are no specific clinicoradiographic parameters to distinguish it from other intracranial pathologies. The diagnosis can be established only on the basis of histopathology, which may pose significant challenges in certain unusual locations. Read More

    BRAF V600E Mutations Occur in a Subset of Glomus Tumors, and are Associated With Malignant Histologic Characteristics.
    Am J Surg Pathol 2017 Aug 22. Epub 2017 Aug 22.
    *Mayo Clinic, Rochester, MN †St Jude Children's Research Hospital, Memphis, TN ‡Johns Hopkins Hospital, Baltimore, MD.
    Glomus tumors are rare mesenchymal neoplasms with a phenotype akin to the modified smooth muscle cells of the glomus body. Most are benign, but rare examples show malignant histologic characteristics and aggressive behavior. We recently encountered a malignant glomus tumor with BRAF V600E mutation. Read More

    Glomus Tumor of the Neck Detected With 99mTc EDDA HYNIC-TOC.
    Clin Nucl Med 2017 Oct;42(10):758-760
    From the *Clinical Department of Nuclear Medicine, and †Clinical Department of Radiology, Clinical Hospital Centre Rijeka, Krešimirova 42, Rijeka, Croatia.
    A 54-year-old woman was referred to thyroid evaluation because of a lump on the left side of the neck. Ultrasound exam did not show any thyroid abnormality, but highly perfused nodule at the left common carotid artery bifurcation was found. Because of the specific location, somatostatin receptor scintigraphy with Tc EDDA HYNIC-TOC was performed, starting with perfusion images and followed with SPECT/CT imaging at 2 and 4 hours. Read More

    Nonintubated Spontaneous Respiration Anesthesia for Tracheal Glomus Tumor.
    Ann Thorac Surg 2017 Aug;104(2):e161-e163
    Department of Thoracic Surgery, The First Affiliated Hospital of Guangzhou Medical University, Guangdong, China; Guangzhou Research Institute of Respiratory Disease, China Key Laboratory of Respiratory Disease, Guangdong, China; National Center for Clinical Trials on Respiratory Diseases, Guangdong, China. Electronic address:
    Previous tracheal surgeries were performed under tracheal and cross-field intubation. However, the intubation would lead to bleeding if the tumors were large or hemorrhagic. Moreover, the tracheal intubation might interfere the surgical vision and anastomosis during the reconstruction process. Read More

    Percutaneous Trans-Tracheal Endoscopic Approach: A Novel Technique for the Excision of Benign Lesions of Thoracic Trachea.
    J Laparoendosc Adv Surg Tech A 2017 Jul 19. Epub 2017 Jul 19.
    Department of Otorhinolaryngology and Head and Neck Surgery, All India Institute of Medical Sciences , New Delhi, India .
    Introduction: Currently, neoplasms of the trachea and lower airway demand open transcervical approach with or without thoracotomy. We describe here a novel, minimally invasive approach for an intraluminal lesion of the thoracic trachea, called percutaneous trans-tracheal endoscopic approach (PTEA). Apart from obvious advantages over potentially morbid open procedures, this technique has certain peculiar benefits over rigid or flexible bronchoscopic approach. Read More

    Glomangioma of the Kidney: A Rare Case of Glomus Tumor and Review of the Literature.
    Case Rep Pathol 2017 18;2017:7423642. Epub 2017 Jun 18.
    Department of Pathology, King Faisal Specialist Hospital and Research Center, Jeddah, Saudi Arabia.
    Background: Glomus tumors are rare mesenchymal tumors originating from glomus bodies in the skin. Glomus tumors of the kidney are rare tumors and only a few cases have been reported in the medical literature. An extensive search revealed a very limited number of primary renal glomus tumors. Read More

    Functional Ulnar Nerve Paraganglioma: First Documented Occurrence in the Extremity With Hitherto Undescribed Associated Extensive Glomus Cell Hyperplasia and Tumorlet Formation.
    Int J Surg Pathol 2017 Jul 1:1066896917720750. Epub 2017 Jul 1.
    2 Prince of Wales Hospital, New Territory, Hong Kong.
    Extra-adrenal paraganglioma has never been described in the extremities. A 34-year-old woman complained of an enlarging mass in the right forearm for 18 months. Imaging showed a circumscribed vascular tumor attached to the ulnar nerve; biopsy revealed features of paraganglioma. Read More

    Endovascular Approach to Glomus Jugulare Tumors.
    Pol J Radiol 2017 19;82:322-326. Epub 2017 Jun 19.
    Department of Neurosurgery, Medical University of Silesia, School of Medicine in Katowice, Katowice, Poland.
    Background: Paragangliomas are benign neuroendocrine tumors derived from the glomus cells of the vegetative nervous system. Typically, they are located in the region of the jugular bulb and middle ear. The optimal management is controversial and can include surgical excision, stereotactic radiosurgery and embolization. Read More

    Glomus Tumor of the Larynx: A Rare Synchronous Paraganglioma in a Patient with Bilateral Carotid Body Tumor Detected on (68)Ga-DOTANOC PET/CT.
    Indian J Nucl Med 2017 Jul-Sep;32(3):241-242
    Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi, India.
    Paragangliomas are neoplasms arising from extra-adrenal chromaffin tissue. They frequently cause symptoms by overproduction of catecholamines with known predilection to multicentricity. We describe the case of a patient with bilateral carotid body tumor who underwent a baseline 68 Gallium labeled [1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid]-1-NaI3-Octreotide. Read More

    Micrometastatic Gastric Glomus Tumor Confirmed by Next-Generation Sequencing.
    Histopathology 2017 Jul 4. Epub 2017 Jul 4.
    Translational Genomics Research Institute.
    Glomus tumors are uncommon perivascular neoplasms.(1) Derived from the glomus bodies of the dermis involved in thermoregulation, glomus tumors are found most frequently in areas of the body rich in such glomus bodies, including the subungual areas of the digits and the distal extremities in general. Although they are most common in the superficial tissues, glomus tumors may occur in visceral organs, including the liver, lung, pancreas, and gastrointestinal and genitourinary tracts. Read More

    Mandibular Lytic Lesion in Familial Paraganglioma Syndrome Type I: A Clinical Conundrum.
    Ann Otol Rhinol Laryngol 2017 Aug 1;126(8):615-618. Epub 2017 Jul 1.
    3 Department of Head and Neck Surgery, Florida Hospital Celebration Health, Celebration, Florida, USA.
    Objective: The entity of primary mandibular paraganglioma (PGL) is not well accepted within the head and neck. Mandibular PGLs hitherto reported in literature are malignant metastatic lesions, mostly from a pheochromocytoma.

    Methods: We report a case of mandibular lytic lesion in a young female with multifocal PGLs but no family history of PGLs. Read More

    Bilateral Solitary Glomus Tumour of Thumb: A Case Report.
    J Clin Diagn Res 2017 May 1;11(5):RD04-RD06. Epub 2017 May 1.
    Registrar, Department of Orthopaedics, Sunshine Hospital, Secunderabad, Andhra Pradesh, India.
    Glomus tumours are benign neoplastic lesions of glomus body, a thermoregulatory apparatus of cutaneous microvasculature. These tumours can arise at any location of the body but most commonly seen in subungual region of fingers. Bilateral solitary glomus tumour of hand is a rare entity. Read More

    Gastric Glomus Tumour Misdiagnosed as Gastric Carcinoid: An Unfamiliar Entity with Aids to Diagnosis and Review of Literature.
    J Clin Diagn Res 2017 May 1;11(5):ED32-ED33. Epub 2017 May 1.
    Professor, Department of Nephrology, Christian Medical College and Hospital, Vellore, Tamil Nadu, India.
    Glomus tumour (GT) is a rare mesenchymal tumour of the stomach with Gastrointestinal Stromal Tumour (GIST), leiomyoma and schwannoma being far more common and comprising more than 90% of all gastric mesenchymal tumours. As glomus bodies are located in the peripheral parts of the human body, these tumours are peripherally located, classically the subungual region, hands, feet and trunk. While being evaluated for renal problems, a middle aged lady was incidentally found to have a gastric tumour. Read More

    Glomangiomatosis: a case report.
    Skeletal Radiol 2017 Jun 27. Epub 2017 Jun 27.
    Department of Radiology, Rutgers, the State University of New Jersey-New Jersey Medical School, Newark, NJ, USA.
    Glomangiomatosis is a benign vascular variant of a glomus tumor. The lesion represents only 5% of glomus tumors with unusual or atypical features and even fewer glomus tumors with typical features. The lesions are most commonly located in the distal extremities and are multiple, deep, extensive, and often pain producing. Read More

    Glomus Tumor of the Toe.
    J Am Podiatr Med Assoc 2017 May;107(3):257-260
    A glomus tumor is an uncommon, predominantly benign, neoplastic lesion that primarily involves a thermoregulatory microvascular apparatus, the glomus body. Although these lesions can occur anywhere in the body, the subungual tissue of the hand represents the most common presentation site. Glomus tumors are not often encountered in the foot. Read More

    Glomus Tumor in the Tarsal Tunnel: A Case Report.
    J Foot Ankle Surg 2017 Jul - Aug;56(4):865-867
    Professor, Department of Orthopaedic Surgery, Nara Medical University, Nara, Japan.
    Glomus tumors are painful benign neoplasms. They commonly present in the hand and are mostly solitary lesions. We report a rare case of multiple glomus tumors in the lower leg. Read More

    Transducing-Like Enhancer of Split 1: A Potential Immunohistochemical Marker for Glomus Tumor.
    Am J Dermatopathol 2017 Jul;39(7):524-527
    *Pathology Department, Dr. Abdurrahman Yurtaslan Onkoloji Education and Research Hospital, Ankara, Turkey; and †Department of Pathology, Numune Education and Research Hospital, Ankara, Turkey.
    Glomus tumors (GTs) are rare, perivascular soft tissue tumors. Although GTs are usually found in the subcutaneous tissue, they may be detected in extracutaneous sites and mucosal areas. Transducing-like enhancer of split 1 (TLE1) is a highly useful immunohistochemical marker, which basically helps in differential diagnosis of synovial sarcoma. Read More

    Metastatic Renal Cell Carcinoma Masquerading as Jugular Foramen Paraganglioma: A Role for Novel Magnetic Resonance Imaging.
    Ann Otol Rhinol Laryngol 2017 Aug 10;126(8):606-610. Epub 2017 Jun 10.
    1 Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of Utah, Salt Lake City, Utah, USA.
    Objectives: To describe a case of metastatic renal cell carcinoma (RCC) masquerading as a jugular foramen paraganglioma (JP). To compare imaging findings between skull base metastatic RCC and histologically proven paraganglioma.

    Methods: A case of unexpected metastatic skull base RCC is reviewed. Read More

    Glomangiomyoma of the Vagina: A Report of 2 Cases and Literature Review.
    Int J Gynecol Pathol 2017 Jul;36(4):334-338
    Department of Histopathology (S.R.), Queen Alexandra Hospital, Cosham, PortsmouthPan-Birmingham Gynaecological Cancer Centre (J.B.), City HospitalDepartment of Cellular Pathology (L.H.), Birmingham Women's NHS Trust, Birmingham, UKHistopathology Division (C.M.), Ospedale San Carlo Di Nancy, Rome, Italy.
    We report 2 cases of vaginal glomangiomyoma in a 53-year-old who presented with a painful vaginal mass, and a 56-year-old who had postmenopausal bleeding and in whom an incidental vaginal mass was identified and resected at the time of hysterectomy. Histologic examination of the resected masses showed solid, circumscribed, benign, smooth muscle-predominant tumors with interspersed small islands of epithelioid glomus cells. The glomus cells were intimately related to small-caliber blood vessels and showed no cytologic atypia or mitotic activity. Read More

    Comparative Neurologic Outcomes of Salvage and Definitive Gamma Knife Radiosurgery for Glomus Jugulare: A 20-Year Experience.
    J Neurol Surg B Skull Base 2017 Jun 23;78(3):251-255. Epub 2017 Jan 23.
    Department of Radiation Oncology, University of Tennessee Health Science Center, Memphis, Tennessee, United States.
    Objective  This case series investigates management of glomus jugulare (GJ) tumors utilizing definitive and salvage Gamma Knife stereotactic radiosurgery (GKSRS). Methods  A retrospective chart review was performed to collect data. Statistical analysis included patient, tumor, and treatment information. Read More

    Utility and tolerability of the long-pulsed 1064-nm neodymium:yttrium-aluminum-garnet (LP Nd:YAG) laser for treatment of symptomatic or disfiguring vascular malformations in children and adolescents.
    J Am Acad Dermatol 2017 Sep 1;77(3):473-479. Epub 2017 Jun 1.
    Department of Dermatology, University of California, San Francisco, California. Electronic address:
    Background: Vascular malformations manifest with pain, bleeding, disability, and disfigurement in a subset of children. There are scant data available on the utility and tolerability of laser surgery for symptomatic or disfiguring non-port-wine stain vascular malformations in children.

    Objective: The objective of this study was to determine the utility and tolerability of the 1064-nm long-pulsed neodymium:yttrium-aluminum-garnet (LP Nd:YAG) laser for treatment of symptomatic or disfiguring vascular malformations in children. Read More

    Tumors Presenting as Multiple Cranial Nerve Palsies.
    Case Rep Neurol 2017 Jan-Apr;9(1):54-61. Epub 2017 Apr 3.
    Department of Medicine, Bronx Lebanon Hospital Center, Bronx, NY, USA.
    Cranial nerve palsy could be one of the presenting features of underlying benign or malignant tumors of the head and neck. The tumor can involve the cranial nerves by local compression, direct infiltration or by paraneoplastic process. Cranial nerve involvement depends on the anatomical course of the cranial nerve and the site of the tumor. Read More

    Glomus tumors of the upper limb: Single-center retrospective study of clinical and functional outcomes.
    Hand Surg Rehabil 2017 Sep 23;36(4):290-295. Epub 2017 May 23.
    Department of Reconstructive and Plastic Surgery, University Hospital Nice, Pasteur 2, 30, avenue de la Voie-Romaine, 06000 Nice, France.
    Glomus tumors are rare and benign hamartomas, arising from neuro-myo-arterial proliferation and deriving from mesenchymal origin. As they have a long-term impact on the individual's quality of life, the primary complaint is unbearable pain. The aim of this study was to assess the clinical and functional outcomes of their surgical treatment, and to review their clinical, radiological and therapeutic features. Read More

    Robotic radiosurgery of head and neck paragangliomas: a single institution experience.
    Asia Pac J Clin Oncol 2017 May 24. Epub 2017 May 24.
    Department of Radiation Oncology, Acibadem University, Istanbul, Turkey.
    Aim: CyberKnife(®) is a robotic stereotactic radiotherapy system. The aim of this study is to evaluate the effectiveness and the safety of CyberKnife(®) on treating head and neck paragangliomas and to report our results.

    Methods: Between March 2009 and June 2014, 12 patients with head and neck paragangliomas have been referred to our clinic: in three cases had jugular paragangliomas, five cases had carotid body paragangliomas and three cases had tympanic paragangliomas. Read More

    Characteristics and prognosis of glomangiopericytomas: A systematic review.
    Head Neck 2017 Sep 12;39(9):1897-1909. Epub 2017 May 12.
    Department of Pathology, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Incheon, Republic of Korea.
    Background: Glomangiopericytoma belongs to the category of borderline/low-malignant-potential tumors of the sinonasal tract, but no studies about prognosis have been reported.

    Methods: To define the characteristics of glomangiopericytoma and to identify its prognostic factors, a systematic review was performed. A total of 337 cases of glomangiopericytomas were analyzed. Read More

    Brace yourself: an unusual case of knee pain, an extradigital glomangioma of the knee.
    Radiol Case Rep 2017 Jun 8;12(2):357-360. Epub 2017 Apr 8.
    Department of Pathology, University of Florida College of Medicine-Jacksonville, Jacksonville, FL 32209, USA.
    The differential diagnosis for knee pain is extensive. Glomus tumors comprise approximately 1.6% of soft-tissue tumors in the extremities. Read More

    [Endovascular treatment of complex vascular pathology in neck and brain region. Case report].
    Orv Hetil 2017 May;158(18):706-710
    Borsod-Abaúj-Zemplén Megyei Kórház és Egyetemi Oktató Kórház Miskolc, Szentpéteri kapu 72-76., 3501.
    Authors present complex multistage endovascular treatment of female patient with an intradural infiltrative, inoperable tumor of the glomus jugulare, a stenosis of the internal carotid artery and an aneurysm of middle cerebri artery. In the literature our case report is the first announcement in which three pathology coexist ipsilateral in one patient and the patient has been treated step by step by endovascular procedures. Beside the endovascular treatment steps they display glomus jugulare tumor's symptoms, staging, treatment options and also the current treatment guidelines of internal carotid artery stenosis and intracranial aneurysms. Read More

    Breast Cancer Metastasis on the Neck Mimicking a Glomus Tumor.
    J Craniofac Surg 2017 May;28(3):e271-e273
    *Department of Otorhinolaryngology, Head and Neck Surgery, Istanbul Medical Faculty, University of Istanbul †Department of Pathology, Istanbul Medical Faculty, University of Istanbul, Istanbul, Turkey.
    Cervical metastases from breast carcinoma are extremely rare after several years of disease-free survival. In this article, a metastatic tumor of the neck originating from a breast carcinoma, which has been treated 14 years ago, is discussed. A case is presented of a 48-year-old female patient with a history of breast carcinoma, which was surgically treated approximately 14 years ago. Read More

    Unusual gastric tumors and tumor-like lesions: Radiological with pathological correlation and literature review.
    World J Gastroenterol 2017 Apr;23(14):2493-2504
    Yuan-Mao Lin, Nai-Chi Chiu, Chien-An Liu, Yi-Hong Chou, Yi-You Chiou, Division of Gastrointestinal Radiology, Department of Radiology, Taipei Veterans General Hospital, Taipei 11217, Taiwan.
    Although gastric tumors have overlapping radiologic appearances, some unusual tumors may present specific imaging features. Using multidetector computed tomography (MDCT), with water as a negative oral contrast agent and intravenous contrast medium, can provide critical information for the diagnosis of gastric diseases. In addition, MDCT can evaluate the involvement of the gastric wall and extragastric extent of the disease, as compared with gastroenteroscopy and double-contrast upper gastrointestinal study. Read More

    Tracheal Glomus Tumor: A Case Report and Review of the Literature.
    Rare Tumors 2017 Mar 28;9(1):6848. Epub 2017 Mar 28.
    Division of Thoracic Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, PA, USA.
    Glomus tumors are rare neoplasms that typically occur within the dermis or subcutis of the subungual space. Primary glomus tumors of the thorax are exceedingly uncommon, thus standard-of-care management is lacking. In this report we describe the management of a patient presenting with a symptomatic glomus tumor of the posterior trachea, and provide a comprehensive review including all documented tracheal glomus tumor reports. Read More

    Pericytic tumors of the kidney-a clinicopathologic analysis of 17 cases.
    Hum Pathol 2017 Jun 21;64:106-117. Epub 2017 Apr 21.
    Department of Pathology and Laboratory Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, 90048, USA; Department of Pathology and Laboratory Medicine, University of Tennessee Health Sciences Center, Memphis, TN, 38163, USA. Electronic address:
    The pericytic (perivascular myoid cell) family of tumors is a distinctive group of mesenchymal neoplasms encountered in superficial sites and only rarely seen in viscera. The pericytic family subtends a spectrum of lesions, namely, glomus tumors and variants; myopericytoma, including myofibroma; and angioleiomyoma. In light of the contemporary classification of pericytic lesions, we identified and reviewed 17 cases of renal pericytic tumors from the files of 6 referral centers. Read More

    Intraneural glomus tumor of "uncertain malignant potential" and with BRAF mutation in the median nerve - an unusual case.
    Clin Neuropathol 2017 Jul/Aug;36(4):164-170
    A glomus tumor of uncertain malignant potential is defined as a glomus tumor with some, but not all, criteria for malignancy and without a known metastasis. Here, we present a rare example presenting in the median nerve in a 40-year-old woman with a long history of severely impaired left median nerve function. A large panel of immunohistochemical stains excluded other diagnoses, and the designation of a "uncertain malignant potential" was based on the high proliferative activity, the tumor size and location, and the lack of WHO malignancy criteria such as marked nuclear atypia, necrosis, or atypical mitoses. Read More

    Subungual Glomus Tumours: Is Magnetic Resonance Imaging or Ultrasound Necessary for Diagnosis?
    Malays Orthop J 2017 Mar;11(1):47-51
    Department of Orthopaedics, Grande International Hospital Kathmandu, Nepal.
    Introduction: Diagnosis of subungual glomus tumour is mostly based on detailed history and clinical examination. Recently, Magnetic Resonance Imaging (MRI) and Ultrasound have been proposed as the imaging modality to confirm the clinical diagnosis and in planning the surgical management of these tumours. However, these imaging modalities are not routinely available in rural setting and also are expensive. Read More

    Glomus faciale tumors: A report of 3 cases and literature review.
    Ear Nose Throat J 2017 Mar;96(3):E7-E12
    Department of Otolaryngology-Head and Neck Surgery, Loyola University Medical Center, 2160 S. First Ave., Maywood, IL 60153, USA.
    Our objectives in reporting this case series are to familiarize readers with the rare occurrence of paragangliomas originating along the facial nerve and to provide a literature review. We describe 3 such cases that occurred at our tertiary care academic medical center. Two women and 1 man presented with a tumor adjacent to the vertical segment of the facial nerve. Read More

    Intravenous Glomus Tumor Masquerading as Lateral Antebrachial Cutaneous Neuroma.
    Hand (N Y) 2017 Mar 22;12(2):NP19-NP21. Epub 2016 Oct 22.
    New York University, USA; Miami Children's Hospital, FL, USA.
    Background: Intravenous glomus tumors are extremely rare. Methods: We report a patient with an intravenous glomus tumor within a venous aneurysm misdiagnosed as a neuroma of the lateral antebrachial cutaneous nerve, based on clinical exam, electrodiagnostic studies, and findings on a magnetic resonance imaging neurogram. Results: After surgical resection, the patient's symptoms, including pain and localized hypersensitivity, totally resolved. Read More

    The Risk of Radiation-Induced Tumors or Malignant Transformation After Single-Fraction Intracranial Radiosurgery: Results Based on a 25-Year Experience.
    Int J Radiat Oncol Biol Phys 2017 Apr 9;97(5):919-923. Epub 2017 Jan 9.
    Department of Radiation Oncology, Mayo Clinic College of Medicine, Rochester, Minnesota.
    Purpose: To determine the risk of radiation-induced tumors or malignant transformation after single-fraction intracranial stereotactic radiosurgery (SRS).

    Methods And Materials: We performed a retrospective review of 1837 patients who received single-fraction SRS for arteriovenous malformation or benign tumor (meningioma, vestibular schwannoma, pituitary adenoma, glomus tumor) at a single center between 1990 and 2009. Patients were excluded if they refused research authorization (n=31), had a genetic predisposition to tumor development (n=84), received prior or concurrent radiation therapy (n=79), or had less than 5 years of imaging follow-up after SRS (n=501). Read More

    Glomangiomatosis of the sciatic nerve: a case report and review of the literature.
    Skeletal Radiol 2017 Jun 17;46(6):807-815. Epub 2017 Mar 17.
    Department of Orthopedic Oncology, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 1448, Houston, TX, 77030, USA.
    Glomus tumors are hamartomas, which tend to occur in sites rich in glomus bodies, such as the subungual regions of digits or the deep dermis of the palm, wrist, forearm, and foot. Very rarely, they may involve peripheral nerves. We describe a patient, who, following surgical resection of a solitary glomus tumor of the left distal sciatic nerve in his teens, had recurrence with development of multiple tumors in the course of the nerve over several years. Read More

    Glomus vagale tumour, can it be diagnosed only on sonography?
    J Ultrasound 2017 Mar 13;20(1):73-79. Epub 2017 Jan 13.
    Department of Pathology, University College of Medical Sciences (University of Delhi) and GTB Hospital, Dilshad Garden, Delhi, 110095 India.
    Vagal paragangliomas are rare benign tumors accounting for only 3% of head and neck paragangliomas and arise from vagal ganglions, predominately the nodose ganglion in the carotid sheath. Imaging plays an important role in their diagnosis, differentiation from more common lesions presenting in the carotid space, and management. MRI is the method of choice for investigation when paragangliomas are clinically suspected. Read More

    Malignant glomus tumors of the head and neck in children and adults: Evaluation and management.
    Laryngoscope 2017 Mar 14. Epub 2017 Mar 14.
    Department of Otolaryngology and Communication Enhancement, Boston Children's Hospital, Boston, Massachusetts, U.S.A.
    Objectives/hypothesis: To describe our current multidisciplinary approach to pediatric malignant glomus tumors of the head and neck and review the current literature.

    Study Design: Retrospective chart review at a tertiary referral children's hospital and a comprehensive literature review.

    Methods: A comprehensive literature search of PubMed, Embase, Web of Science, Google Scholar, and EBSCO with respect to malignant glomus tumors of the head and neck was conducted. Read More

    Pituitary Carcinoma in a Patient with an SDHB Mutation.
    Endocr Pathol 2017 Mar 10. Epub 2017 Mar 10.
    Centre of Endocrinology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, UK.
    We present the first case of pituitary carcinoma occurring in a patient with a succinate dehydrogenase subunit B (SDHB) mutation and history of paraganglioma. She was initially treated for a glomus tumour with external beam radiotherapy. Twenty-five years later, she was diagnosed with a non-functioning pituitary adenoma, having developed bitemporal hemianopia. Read More

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