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pineal region tumor

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https://www.readbyqxmd.com/read/28069468/children-with-dorsal-midbrain-syndrome-as-a-result-of-pineal-tumors
#1
Mary Ellen Hoehn, Julie Calderwood, Thomas O'Donnell, Gregory T Armstrong, Amar Gajjar
BACKGROUND: Dorsal midbrain syndrome (also known as Parinaud syndrome and pretectal syndrome) is a well-known complication of tumors of the pineal region. However, there are few reports regarding outcomes, especially in children. The purpose of this study was to report the ophthalmic outcomes in a group of children with pineal tumors treated at a single institution. METHODS: The medical records of pediatric patients diagnosed with pineal region tumors and evaluated at our ophthalmology clinic were studied retrospectively...
January 6, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28052648/neurocognitive-and-psychological-functioning-of-children-with-an-intracranial-germ-cell-tumor
#2
Younghee Park, Eun-Seung Yu, Boram Ha, Hyeon-Jin Park, Jong-Heun Kim, Joo-Young Kim
Purpose: This study was conducted to investigate the neurocognitive functioning of children with intracranial germ cell tumor (IGCT) prior to receiving proton beam therapy (PBT), and to identify differential characteristics of their neurocognitive functioning depending on tumor location. As a secondary object of this study, neurocognitive functions were followed up at 1-2 years after PBT to examine early post-treatment changes. Material and Methods: Between 2008 and 2014, 34 children with IGCT treated who received PBT at National Cancer Center, Korea were enrolled in this study...
January 4, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28011926/evaluation-of-age-dependent-treatment-strategies-for-children-and-young-adults-with-pineoblastoma-analysis-of-pooled-european-society-for-paediatric-oncology-siop-e-and-us-head-start-data
#3
Martin Mynarek, Barry Pizer, Christelle Dufour, Dannis van Vuurden, Miklos Garami, Maura Massimino, Jason Fangusaro, Tom Davidson, Maria Joao Gil-da-Costa, Jaroslav Sterba, Martin Benesch, Nicolas Gerber, B Ole Juhnke, Robert Kwiecien, Torsten Pietsch, Marcel Kool, Steve Clifford, David W Ellison, Felice Giangaspero, Pieter Wesseling, Floyd Gilles, Nicholas Gottardo, Jonathan L Finlay, Stefan Rutkowski, Katja von Hoff
BACKGROUND: Pineoblastoma is a rare pineal region brain tumor. Treatment strategies have reflected those for other malignant embryonal brain tumors. PATIENTS AND METHODS: Original prospective treatment and outcome data from international trial groups were pooled. Cox regression models were developed considering treatment elements as time-dependent covariates. RESULTS: Data on 135 patients with pineoblastoma aged 0.01-20.7 (median 4.9) years were analyzed...
December 23, 2016: Neuro-oncology
https://www.readbyqxmd.com/read/28002522/primary-retroperitoneal-seminoma-embryology-histopathology-and-treatment-particularities
#4
Constantin Virgil Gîngu, Mihaela Mihai, Cătălin Baston, Mugurel Alexandru Crăsneanu, Alexandru Vladimir Dick, Vlad Olaru, Ioanel Sinescu
INTRODUCTION: Retroperitoneal seminoma is a very rare form of cancer, with embryological origin represented by primordial germ cells from the urogenital ridges left behind during the fetal development. Extragenital germ cell tumors can also occur in the mediastinum or the pineal gland. The aim of this paper is to outline the particularities and draw embryological, histopatological and treatment conclusions regarding extragonadal germ cell tumors. PATIENT AND METHODS: A 43-year-old patient without any additional pathology was admitted for anemia of unknown etiology...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28001090/recent-technological-advances-in-pediatric-brain-tumor-surgery
#5
Bassel Zebian, Francesco Vergani, José Pedro Lavrador, Soumya Mukherjee, William John Kitchen, Vita Stagno, Christos Chamilos, Benedetta Pettorini, Conor Mallucci
X-rays and ventriculograms were the first imaging modalities used to localize intracranial lesions including brain tumors as far back as the 1880s. Subsequent advances in preoperative radiological localization included computed tomography (CT; 1971) and MRI (1977). Since then, other imaging modalities have been developed for clinical application although none as pivotal as CT and MRI. Intraoperative technological advances include the microscope, which has allowed precise surgery under magnification and improved lighting, and the endoscope, which has improved the treatment of hydrocephalus and allowed biopsy and complete resection of intraventricular, pituitary and pineal region tumors through a minimally invasive approach...
December 21, 2016: CNS Oncology
https://www.readbyqxmd.com/read/27889662/pediatric-pineal-germinomas-epigenetic-and-genomic-approach
#6
Monserrat Pérez-Ramírez, Alejo Justino Hernández-Jiménez, Armando Guerrero-Guerrero, Alicia Georgina Siordia-Reyes, Marta Elena Hernández-Caballero, Antonio García-Méndez, Fernando Chico-Ponce de León, Fabio Abdel Salamanca-Gómez, Normand García-Hernández
OBJECTIVE: We identify and correlate chromosomal alterations, methylation patterns and gene expression in pediatric pineal germinomas. METHODS: CGH microarray, methylation and gene expression were performed through the Agilent platform. The results were analyzed with MatLab software, MapViewer, DAVID, GeneCards and Hippie. RESULTS: Amplifications were found in 1q24.2, 1q31.3, 2p11.2, 3p22.2, 7p13, 7p15.2, 8p22, 12p13.2, 14q24.3 y 22q12; and deletions were found in 1q21...
January 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27889025/pineal-region-masses-in-pediatric-patients
#7
REVIEW
Benita Tamrazi, Marvin Nelson, Stefan Blüml
A review of pediatric pineal region tumors is provided with emphasis on advanced imaging techniques. The 3 major categories of pineal region tumors include germ cell tumors, pineal parenchymal tumors, and tumors arising from adjacent structures such as tectal astrocytomas. The clinical presentation, biochemical markers, and imaging of these types of tumors are reviewed.
February 2017: Neuroimaging Clinics of North America
https://www.readbyqxmd.com/read/27753657/a-comparative-immunohistochemical-study-of-epithelial-membrane-antigen-and-nherf1-ebp50-in-the-diagnosis-of-ependymomas
#8
Aruna Nambirajan, Mehar C Sharma, Madhu Rajeshwari, Aanchal Kakkar, Vaishali Suri, Chitra Sarkar
Ependymomas are gliomas that recapitulate normal ependymal cells. The epithelial membrane antigen (EMA) shows "dot-like" and "ring-like" staining patterns, highlighting "microlumens" or intracytoplasmic rosettes, a pathognomonic ultrastructural feature. NHERF1/EBP50, an adaptor protein localized at the apical plasma membrane of human epithelia, has been found to localize to these microlumens. We aimed to analyze the staining patterns of EMA and EBP50 in ependymomas and other tumors, and thereby compare their diagnostic utility...
October 7, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27752384/atypical-growth-pattern-of-an-intraparenchymal-meningioma
#9
Zhen Zeng, Tijiang Zhang, Yihua Zhou, Xiaoxi Chen
Meningiomas are the most common primary nonneuroglial extra-axial neoplasms, which commonly present as spherical or oval masses with a dural attachment. Meningiomas without dural attachment are rare and, according to their locations, are classified into 5 varieties, including intraventricular, deep Sylvain fissure, pineal region, intraparenchymal, or subcortical meningiomas. To the best of our knowledge, intraparenchymal meningioma with cerebriform pattern has never been reported. In this paper, we report a 34-year-old Chinese male patient who presented with paroxysmal headaches and progressive loss of vision for 10 months and blindness for 2 weeks...
2016: Case Reports in Radiology
https://www.readbyqxmd.com/read/27742368/neuroendocrine-carcinoma-of-the-pineal-parenchyma-the-first-reported-case
#10
Melanie Hakar, James P Chandler, Eileen H Bigio, Qinwen Mao
We report a case of a 35-year-old female patient who presented with worsening headaches, vertigo, and vision changes. MRI of the brain showed an enhancing lesion in the pineal region. The patient was taken for resection of the lesion which was classified as neuroendocrine carcinoma of the pineal parenchyma, intermediate grade. Histologically, the neoplasm was cellular, mitotically active, and composed of tightly packed cells with high nuclear cytoplasmic ratio, scant cytoplasm, and ill-defined cell borders...
January 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27695568/papillary-tumor-of-pineal-region-a-rare-entity
#11
Meena Patil, Manjiri Karandikar
Pineal tumors comprise 0.4 - 1.0% of intracranial space-occupying lesions in adults. Papillary tumor of pineal region (PTPR) is a very rare entity. It has been newly described in WHO 2007 classification of brain tumors. Only a few case reports are available in the literature. We report a case of a 60 year-old female presenting with headache, giddiness and reduced vision. Imaging studies showed a pineal mass with areas of hemorrhage. All ventricles were normal. There was a past history of a pineal gland tumor excised 2 years ago...
October 2016: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/27651341/primary-intracranial-germinomas-retrospective-analysis-of-five-cases
#12
Anas Abdallah, Murad Asilturk, Mustafa Levent Uysal, Erhan Emel, Betül Guler Abdallah, Bilge Bilgic, Gokcen Gundogdu
AIM: Primary intracranial germinomas (PIGs) are rare malignant brain tumors that represent approximately 0.2% to 1.7% of all primary intracranial tumors. PIGs have infrequent, but existent possibility of spinal cord metastases. In this study, clinical outcomes of five consecutive PIGs have been presented. MATERIAL AND METHODS: Medical records were retrospectively reviewed in 1,849 cases of intracranial tumors whom underwent surgery between the years 2005 and 2015, cases which confirmed as germinoma histopathologically were included in this study...
August 23, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27554477/nationwide-population-based-incidence-and-survival-rates-of-malignant-central-nervous-system-germ-cell-tumors-in-korea-2005-2012
#13
Seung Hoon Lee, Kyu-Won Jung, Johyun Ha, Chang-Mo Oh, Hyeseon Kim, Hyeon Jin Park, Heon Yoo, Young-Joo Won
Purpose: Malignant CNS germ cell tumors (GCTs), although rare, are thought to occur more frequently among Asians. However, a recent population-based study revealed no differences in GCT incidence between Asians and Caucasians. Therefore, this study was conducted to determine the incidence and survival rates of CNS GCTs using the National Korea Cancer Registry, and to compare these rates to those in the United States and Japan. Materials and Methods: We extracted CNS GCT patients diagnosed between 2005 and 2012 from the Korean Central Cancer Registry database...
August 24, 2016: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/27554308/endoscopic-histologic-mapping-of-a-mixed-germ-pineal-tumor
#14
Carlos Velásquez, Mónica Rivero-Garvía, Eloy Rivas, María de Los Angeles Cañizares, María José Mayorga-Buiza, Javier Márquez-Rivas
BACKGROUND: The accurate histologic diagnosis of germ cell tumors in the pineal region is a keystone for determining the best treatment strategy and prognosis. This situation poses a challenge for the neuropathologist, considering the lack of a standarized procedure to obtain biopsy samples, which results in few and small specimens, which are not suitable for diagnosis. CASE DESCRIPTION: We report a case in which a pineal region mixed germ cell tumor was accurately diagnosed by performing histologic mapping through a dual burr-hole endoscopic approach...
November 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27535020/cytologic-features-of-papillary-tumor-of-the-pineal-region-a-case-report-showing-tigroid-background
#15
José A Jiménez-Heffernan, Carmen Bárcena, Carlos Gordillo, José M Cañizal
Papillary tumor of the pineal region (PTPR) is a rare neuroepithelial tumor of the pineal region of adults. We herein describe on a 34-year-old female the cytologic features of a PTPR studied using Diff-Quik stain. The patient presented hydrocephalia secondary to a pineal tumor. During surgery an intraoperative pathologic consultation was requested. Smears were hypercellular with numerous papillary tissue fragments and single cells. Papillary fragments had an evident inner vascular core. Neoplastic cells displayed moderate pleomorphism, plasmocytoid morphology, and cytoplasmic fragility...
December 2016: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/27506850/purely-endoscopic-resection-of-pineal-region-tumors-using-infratentorial-supracerebellar-approach-how-i-do-it
#16
Ye Gu, Fan Hu, Xiaobiao Zhang
BACKGROUND: Infratentorial supracerebellar approach via microscope still has some limitations in resection of pineal region tumors. METHODS: The authors describe a purely endoscopic infratentorial supracerebellar approach for resection of pineal region tumors with matched air-driven arm and navigation. The lateral oblique position is adopted. The same bimanual microsurgical techniques are utilized in this endoscopic approach with panoramic view and satisfying comfort...
November 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27476035/pineal-region-tumors-a-simplified-management-scheme
#17
Mohamed A Zaazoue, Liliana C Goumnerova
No abstract text is available yet for this article.
July 30, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27475314/bifocal-germinomas-in-the-pineal-region-and-hypothalamo-neurohypophyseal-axis-primary-or-metastasis
#18
Hui Zhang, Song-Tao Qi, Jun Fan, Lu-Xiong Fang, Bing-Hui Qiu, Yi Liu, Xiao-Yu Qiu
Whether bifocal germinomas (BFGs) synchronously presenting within the pineal region and the hypothalamo-neurohypophyseal axis (HNA) are primary germinomas of dual-origin remains to be elucidated. We analyzed MRI images and clinical features of 95 neurohypophyseal germinomas and 21 BFG patients and developed a tentative definition of the BFGs. We found dual-primary BFGs (true BFGs) do exist. The fundamental difference between primary and metastatic HNA germinomas was the direction of tumor growth. For a true BFG, the primary HNA tumor grew from the neurohypophysis toward the hypothalamus and almost invaded the whole pituitary stalk...
December 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/27401449/statistical-report-of-central-nervous-system-tumors-histologically-diagnosed-in-the-sichuan-province-of-china-from-2008-to-2013-a-west-china-glioma-center-report
#19
Xiang Wang, Jin-Xiu Chen, Qiao Zhou, Yan-Hui Liu, Qing Mao, Chao You, Ni Chen, Li Xiong, Jie Duan, Liang Liu
BACKGROUND: Sichuan is a province in the west of China with a population of 81.4 million. This is the first statistical report of central nervous system (CNS) tumors surgically treated and histologically diagnosed in a large Chinese population. METHODS: All the patient data were obtained from 86 medical facilities, which covered the Sichuan province population. Data from patients who underwent surgery between 2008 and 2013 and corresponding histology samples were re-reviewed in the major pathology centers...
December 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27351562/recent-advances-in-molecular-biology-and-treatment-strategies-for-intracranial-germ-cell-tumors
#20
REVIEW
Xiang Huang, Rong Zhang, Ying Mao, Liang-Fu Zhou, Chao Zhang
BACKGROUND: Intracranial germ cell tumors (IGCTs) are a group of rare pediatric brain tumors which include various subtypes. The current understanding of the etiology of the tumors and their optimal management strategies remain controversial. DATA SOURCES: The data on IGCTs were collected from articles published in the past 20 years, and the origin and etiology of IGCTs at molecular level as well as the relative roles of varied treatment strategies in different prognosis groups according to Matsutani's classification were reviewed...
August 2016: World Journal of Pediatrics: WJP
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