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https://www.readbyqxmd.com/read/27913780/multifocal-polymorphous-hemangioendothelioma-of-the-liver-case-report-and-review-of-literature
#1
Siba El Hussein, Yumna Omarzai
We report a case of polymorphous hemangioendothelioma, a rare vascular neoplasm, arising in the liver of a 51-year-old woman. Microscopically, this neoplasm is characterized by a polymorphous blend of solid, primitive vascular and angiomatous areas in variable proportions. Polymorphous hemangioendothelioma is considered to be an intermediate-grade vascular neoplasm. In most of the reported cases, its occurrence has been in lymph nodes, but a few cases have been found in extranodal sites such as the mediastinum, spinal cord, and liver...
December 2, 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27879953/elective-laminectomy-and-excision-of-the-thoracic-spine-neoplasm-an-evaluation-of-early-outcomes
#2
Pavan S Upadhyayula, John K Yue, Erik I Curtis, Joseph D Ciacci
BACKGROUND: Laminectomy plus excision of spinal neoplasms is commonly performed. The current study examines risk profiles associated with elective laminectomies of benign, malignant primary, and secondary/metastatic neoplasms of the thoracic spine. METHODS: Adult patients undergoing elective thoracic laminectomy and excision of spinal neoplasm were abstracted from ACS-NSQIP years 2011-2014. Patients were classified into three cohorts: benign primary, malignant primary, secondary/metastatic...
November 23, 2016: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/27872537/large-retroperitoneal-extraosseous-osteosarcoma-invading-into-the-spine-a-case-report
#3
Anish P Nagpal, Somesh Chandra, Shaifali Goel
Extraosseous osteogenic sarcoma is a very rare malignant neoplasm. The most common sites are the extremities, thorax, and the abdomen. Retroperitoneal osteosarcomas are rare and very few cases have been reported. They are similar in their biology to high-grade soft tissue sarcomas. R0 resection appears to be the best possible treatment for these tumors but there are no published cases on how to manage them when it involves posterior and intra-spinal regions. We report a 62-year-old male who presented with a backache, and investigations revealed a large retroperitoneal fibrosarcoma invading into the lumbar spine, but was found to be an extra osseous osteosarcoma on final histopathological examination...
December 2016: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27870071/eosinophilic-meningomyelitis-associated-with-t-cell-lymphoma-in-a-cat
#4
Kathryn Y Bray, Karen R Muñana, Kristina Meichner, Laura A White, Gabriela Seiler
A 12-year-old cat was presented for evaluation of progressive tetraparesis. Magnetic resonance imaging of the cervical spine demonstrated T2-hyperintensity, and contrast enhancement within the C4-C7 spinal cord, with marked meningeal contrast enhancement and segmental nerve root thickening. Lumbar cerebrospinal fluid contained 407 total nucleated cells/μL, with 99% eosinophils. The cat transiently improved with prednisolone, clindamycin, and ivermectin therapy, but subsequently worsened and was euthanized...
November 21, 2016: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/27857459/primary-diffuse-leptomeningeal-oligodendrogliomatosis-a-case-report-and-literature-review
#5
Amarnath Chellathurai, Jay S Vaidya, Gopinathan Kathirvelu, Periakaruppan Alagappan
Primary leptomeningeal oligodendrogliomatosis (PLO) is a rare low-grade intracranial and spinal canal subarachnoid neoplasm without an obvious primary neoplasm in the brain or spinal cord parenchyma. We present here the serial progression of radiological findings of this rare disease in a 2-year-old male child whose clinical status deteriorated over a period of 4 months with the main complaint of partial seizures. During this period, the MR findings progressed from mild hydrocephalus with minimal leptomeningeal enhancement to leptomeningeal multiple cystic lesions in the entire neuraxis including the spine...
July 2016: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/27818821/disseminated-cerebrospinal-embryonal-tumor-in-the-adult
#6
Alessandro Caporlingua, Daniele Armocida, Federico Caporlingua, Gennaro Lapadula, Grazia Maria Elefante, Manila Antonelli, Maurizio Salvati
Introduction. According to the 2016 World Health Organization classification of Tumors of the Central Nervous System, the term Primitive Neuroectodermal Tumor has been replaced by the term Embryonal Tumor (ET). We present a case of disseminated cerebrospinal ET presenting in an adult patient. Illustrative Case. A 49-year-old male presenting with low back pain, dysuria, and hypoesthesia of the lower extremities referred to our emergency department. Brain and whole spine contrast-enhanced MRI documented a diffusively disseminated heterogeneous neoplasm with intradural extra- and intramedullary involvement of the cervicothoracic tract and cauda equina...
2016: Case Reports in Pathology
https://www.readbyqxmd.com/read/27761174/spinal-metastases-of-extramammary-paget-disease-with-radiologic-pathologic-correlation
#7
Jason T Little, Vance T Lehman, Jonathan M Morris, Julia S Lehman, Felix E Diehn
Extramammary Paget disease (EMPD) is an uncommon malignancy. It manifests either in the primary form in the skin as an intraepithelial neoplasm, or in secondary form as pagetoid (intraepithelial) spread of an underlying internal carcinoma to the skin. Although local invasion and recurrence of primary extramammary Paget disease are relatively frequent, widespread metastases are rare. As such, there are very few reports and little characterization of the radiologic features of widespread spinal metastases. To our knowledge, there are no prior reports of a metastatic extramammary Paget disease presenting as a painful pathologic vertebral body compression fracture...
May 2016: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/27757435/spinal-myxopapillary-ependymoma-with-interval-drop-metastasis-presenting-as-cauda-equina-syndrome-case-report-and-review-of-literature
#8
Shrikant V Rege, Sharadendu Narayan, Harshad Patil, Abhishek Songara
Myxopapillary ependymoma is a benign slow-growing tumour, arising predominantly in the region of the filum terminale. It has been designated histologically as grade I neoplasm according to the 2007 WHO classification. Despite this benign character dissemination and metastasis along the cerebrospinal axis and metastasis to distant sites have occasionally been reported. There have been previously reported cases of drop metastasis from MPE, however in three of these cases the drop metastasis was diagnosed with concurrent primary spinal MPE...
September 2016: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/27746887/soft-tissue-myoepithelial-carcinoma-of-the-neck-with-spinal-invasion
#9
Elias Moussaly, Bassel Nazha, Shiksha Kedia, Qing Chang, Frank Forte
Soft tissue myoepithelial neoplasms are a rare yet diverse group of tumors, ranging from benign to malignant lesions. Their presentation in the head and neck region is uncommon and represents a challenging diagnosis. Early identification of myoepithelial carcinoma is crucial given its more aggressive course compared to its benign counterpart, although the histopathological distinction between the two can be difficult. EWSR1 gene rearrangement is found in half the cases and has a speculative role in pathogenesis...
September 5, 2016: Rare Tumors
https://www.readbyqxmd.com/read/27713062/intradural-carcinoid-tumor-found-in-a-patient-with-no-history-of-cancer-a-case-report
#10
Jason R Audlin, Gaurav Khullar, Eric M Deshaies, Swamy Kurra, William F Lavelle
BACKGROUND: Carcinoid tumors are rare neoplasms that often arise from the gastrointestinal or respiratory tracts. They often metastasize to bone tissue, as well as pancreatic and hepatic sites. The central nervous system and most specifically the spinal cord are rarely involved. Primary Carcinoid tumors of the CNS are even rarer. CASE DESCRIPTION: A 58 year-old man presented with progressive bilateral lower extremity weakness and a negative history of cancer. Imaging revealed an intradural mass at the L1 and L2 spinal levels...
October 3, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27687936/distribution-of-feline-lymphoma-in-the-central-and-peripheral-nervous-systems
#11
REVIEW
Maria Teresa Mandara, Luca Motta, Pietro Calò
In cats, lymphoma (lymphosarcoma) is the most common neoplasm affecting the spinal cord and the second most common intracranial tumour. Although lymphoma commonly develops in the spinal cord as a part of a multicentric process, a primary form may occur. Lymphoma can exhibit a wide range of morphological patterns, including intraparenchymal brain mass, lymphomatosis cerebri, intravascular lymphoma, lymphomatous choroiditis and meningitis, extradural, intradural-extramedullary or intramedullary lymphoma in the spinal cord, or neurolymphomatosis in the peripheral nerves...
October 2016: Veterinary Journal
https://www.readbyqxmd.com/read/27666764/low-grade-schwann-cell-neoplasms-with-leptomeningeal-dissemination-clinicopathologic-and-autopsy-findings
#12
Erika F Rodriguez, Jaishri Blakeley, Shannon Langmead, Alessandro Olivi, Anthony Tufaro, Abeer Tabbarah, Gail Berkenblit, Justin M Sacks, Scott D Newsome, Elizabeth Montgomery, Fausto J Rodriguez
Leptomeningeal dissemination of low grade Schwann cell neoplasms is an exceptionally rare occurrence, and has not been well documented in the literature. We encountered two cases of leptomeningeal dissemination of low grade Schwann cell neoplasms. Patient 1 was a 63-year-old woman with NF1 and a progressive low grade MPNST developing from a diffuse/plexiform orbital neurofibroma that arose in childhood. The neoplasm demonstrated local and leptomeningeal dissemination intracranially leading to the patient's death...
September 22, 2016: Human Pathology
https://www.readbyqxmd.com/read/27664341/disparities-in-reportable-quality-metrics-by-insurance-status-in-the-primary-spine-neoplasm-population
#13
Syed K Mehdi, Joseph E Tanenbaum, Vincent J Alentado, Jacob A Miller, Daniel Lubelski, Edward C Benzel, Thomas E Mroz
STUDY DESIGN: Retrospective cohort study. BACKGROUND CONTEXT: CMS defines "adverse quality events" as the incidence of certain complications such as post-surgical hematoma and/or iatrogenic pneumothorax during an inpatient stay. Patient safety indicators (PSI) are a means to measure the incidence of these adverse events. When these occur, reimbursement to the hospital decreases. The incidence of adverse quality events among patients hospitalized for primary spinal neoplasms is unknown...
September 21, 2016: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/27616318/neoplastic-and-paraneoplastic-involvement-of-the-spinal-cord
#14
John Michael Hazenfield, Mary F Gaskill-Shipley
Neoplasia of the spinal cord, including both primary and metastatic tumors, is relatively rare, representing 4%-10% of all central nervous system tumors, and can present a diagnostic challenge to the radiologist. More than 90% of primary spinal cord neoplasms are derived from the glial cell lineage, including the 2 most common tumors ependymoma and astrocytoma. However, less common spinal cord tumors, including metastatic disease, as well as nonneoplastic and paraneoplastic processes should be considered in the diagnosis of intramedullary spinal cord lesions...
October 2016: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/27616316/toxic-and-metabolic-myelopathies
#15
Joana Ramalho, Renato Hoffmann Nunes, Antonio José da Rocha, Mauricio Castillo
Myelopathy describes any neurologic deficit related to the spinal cord. It is most commonly caused by its compression by neoplasms, degenerative disc disease, trauma, or infection. Less common causes of myelopathy include spinal cord tumors, infection, inflammatory, neurodegenerative, vascular, toxic, and metabolic disorders. Conditions affecting the spinal cord must be recognized as early as possible to prevent progression that may lead to permanent disability. Biopsy is rarely performed, thus the diagnosis and management rely on patient׳s history, physical examination, laboratory results, and imaging findings...
October 2016: Seminars in Ultrasound, CT, and MR
https://www.readbyqxmd.com/read/27613377/peripheral-primitive-neuroectodermal-tumors-of-the-spine-a-case-report-and-review-of-the-literature
#16
Mouna Khmou, Abderrahmane Malihy, Najat Lamalmi, Lamia Rouas, Zaitouna Alhamany
BACKGROUND: Peripheral primitive neuroectodermal tumors are extremely rare tumors in the spine; only 18 cases of extra-dural peripheral primitive neuroectodermal tumor cervical region have been reported. The aim of this report is to highlight the challenges in diagnosis and management of this condition. CASE PRESENTATION: We present a case of 5-year-old Moroccan boy, who presented with torticollis for 1 month. Computed tomography scan and Magnetic resonance imaging of the cervical spine revealed an extradural, dumbbell-shaped mass with extra-spinal extension at the left C1-C6 level...
2016: BMC Research Notes
https://www.readbyqxmd.com/read/27606020/a-case-of-primary-spinal-atypical-teratoid-rhabdoid-tumor-in-a-5-year-old-child
#17
Dipanker Singh Mankotia, Vivek Tandon, Bhawani Shankar Sharma, Madhu Rajeshwari, Mehar Chand Sharma
Atypical teratoid/rhabdoid tumor (AT/RT) is a rare central nervous system neoplasm affecting children, and isolated primary spinal involvement is extremely rare. Authors describe a case of spinal AT/RT in a 5-year-old male child presenting with rapidly progressing quadriparesis diagnosed and managed surgically and medically. Biopsy revealed large, rhabdoid cells with prominent nucleoli in nest and immunohistochemistry further showed loss of integrase integrator 1 expression considered to be gold standard for diagnosis...
April 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27595391/-malignant-rhabdoid-tumor-of-the-lung
#18
M Zysman, C Clement-Duchene, C Bastien, P Vaillant, Y Martinet
INTRODUCTION: Rhabdoid tumours usually develop in brain and spinal cord or kidney; they are highly malignant neoplasms that typically arise in infancy and early childhood. However, rare cases of pulmonary localization have been described, particularly among young adults. CASE REPORT: A 26-year-old man, smoker, had a right apical lung mass associated with a Pancoast syndrome leading to haemoptysis. There was also a tumour of the left thigh and scalp. Histological samples taken at these three locations were in favour of an undifferentiated carcinoma...
August 29, 2016: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/27590907/gender-specific-growth-dynamics-of-neurofibromatosis-type-2-related-tumors-of-the-central-nervous-system
#19
Anna Lawson McLean, Steffen Rosahl
BACKGROUND: To date, few studies have been published about the growth dynamics of tumors associated with neurofibromatosis type-2 (NF2), none of which evaluated gender-specific differences. Our aim was to compare radiographic data of female and male patients with NF2. METHODS: MR images of 40 patients (20 female, 20 male) from the regional NF2 referral center were included in this analysis. Tumor sizes were determined by semi-automated volumetric measurement. Intracranial tumors were measured on post-contrast T1-weighted MRI datasets and volumes of intramedullary spinal tumors were determined from sagittal T2-weighted MRI datasets...
November 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27552033/esthesioneuroblastoma-located-in-the-thoracic-extradural-space-case-report
#20
Mehmet Hüseyin Akgul, Ferruh Gezen, Ali Kemal Uzunlar
OBJECTIVE: Esthesioneuroblastoma accounted for only 6% of the malignant nasal cavity neoplasms (ENB) is a rare tumor which originates from the olfactory epithelium. ENB's are locally agresive and can metastasize by lymphatic and hematogenous routes. A patient with the mass on the nasal dorsum was reported in this article. CASE HISTORY: A 52-year-old-man admitted to the hospital with a 3 months history of progressive nasal obstruction, epistaxis and mass on the nasal dorsum...
2016: International Journal of Surgery Case Reports
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