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  1. Article ; Online: Cavernoma of the Pons

    Sema Demirci / Nesrin Helvacı Yılmaz / Efsun Şenocak / Fatih Han Bölükbaşı

    Türk Nöroloji Dergisi, Vol 19, Iss 2, Pp 72-

    Cranial MRI Findings

    2013  Volume 72

    Keywords Cavernoma ; pons ; Medicine ; R ; Neurology. Diseases of the nervous system ; RC346-429
    Language English
    Publishing date 2013-06-01T00:00:00Z
    Publisher Galenos Yayinevi
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Congenital intrahepatic portosystemic shunt with variant inferior right hepatic vein.

    Senocak, Efsun / Oğuz, Berna / Edgüer, Tahsin / Cila, Ayşenur

    Diagnostic and interventional radiology (Ankara, Turkey)

    2008  Volume 14, Issue 2, Page(s) 97–99

    Abstract: We present a case of congenital intrahepatic aneurysmal portosystemic shunt in which the right portal vein communicates with both a variant inferior right hepatic vein and the right hepatic vein. We also describe the importance and efficacy of three ... ...

    Abstract We present a case of congenital intrahepatic aneurysmal portosystemic shunt in which the right portal vein communicates with both a variant inferior right hepatic vein and the right hepatic vein. We also describe the importance and efficacy of three dimensional computed tomography reconstruction images in determining subtle, small shunt vessels.
    MeSH term(s) Hepatic Veins/abnormalities ; Hepatic Veins/diagnostic imaging ; Humans ; Liver/blood supply ; Liver/diagnostic imaging ; Male ; Middle Aged ; Portal Vein/abnormalities ; Portal Vein/diagnostic imaging ; Tomography, Spiral Computed/methods ; Ultrasonography, Doppler, Color/methods
    Language English
    Publishing date 2008-06
    Publishing country Turkey
    Document type Case Reports ; Journal Article
    ZDB-ID 2184145-7
    ISSN 1305-3612 ; 1305-3825
    ISSN (online) 1305-3612
    ISSN 1305-3825
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  3. Article ; Online: Prenatal diagnosis of Pena-Shokeir syndrome phenotype by ultrasonography and MR imaging.

    Senocak, Efsun Urger / Oguz, Kader Karli / Haliloglu, Goknur / Karcaaltincaba, Deniz / Akata, Deniz / Kandemir, Omer

    Pediatric radiology

    2009  Volume 39, Issue 4, Page(s) 377–380

    Abstract: Pena-Shokeir syndrome phenotype is characterized by neurogenic arthrogryposis, facial anomalies, polyhydramnios and lung hypoplasia. Prenatal US is crucial in showing Pena-Shokeir syndrome phenotype in addition to demonstrating reduced fetal movements or ...

    Abstract Pena-Shokeir syndrome phenotype is characterized by neurogenic arthrogryposis, facial anomalies, polyhydramnios and lung hypoplasia. Prenatal US is crucial in showing Pena-Shokeir syndrome phenotype in addition to demonstrating reduced fetal movements or akinesia as an underlying aetiological factor as early as the 14th week of gestation. Several reports of prenatal diagnosis of Pena-Shokeir syndrome phenotype by US have been published. In this report, MRI findings providing prenatal diagnosis are presented.
    MeSH term(s) Abnormalities, Multiple/diagnosis ; Fetal Growth Retardation/diagnosis ; Humans ; Magnetic Resonance Imaging/methods ; Nervous System Malformations/diagnosis ; Prenatal Diagnosis/methods ; Syndrome ; Ultrasonography/methods
    Language English
    Publishing date 2009-02-05
    Publishing country Germany
    Document type Case Reports ; Journal Article
    ZDB-ID 124459-0
    ISSN 1432-1998 ; 0301-0449
    ISSN (online) 1432-1998
    ISSN 0301-0449
    DOI 10.1007/s00247-008-1121-5
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 927: Show issues Location:
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  4. Article ; Online: Structural abnormalities of the brain other than molar tooth sign in Joubert syndrome-related disorders.

    Senocak, Efsun U / Oğuz, Kader Karli / Haliloğlu, Göknur / Topçu, Meral / Cila, Ayşenur

    Diagnostic and interventional radiology (Ankara, Turkey)

    2010  Volume 16, Issue 1, Page(s) 3–6

    Abstract: Purpose: We performed a retrospective study in which we investigated malformations other than brainstem and vermian dysgenesis in Joubert syndrome-related disorders (JSRD). We investigated the frequency and type of structural abnormalities that coexist ... ...

    Abstract Purpose: We performed a retrospective study in which we investigated malformations other than brainstem and vermian dysgenesis in Joubert syndrome-related disorders (JSRD). We investigated the frequency and type of structural abnormalities that coexist with the molar tooth sign (MTS) in JSRD.
    Materials and methods: We searched our archive for the years 2002-2008 in order to find patients with the diagnosis of JSRD. Cranial magnetic resonance imaging studies of 20 patients with the diagnosis of JSRD were reviewed by two neuroradiologists.
    Results: In addition to known anomalies including callosal dysgenesis, heterotopia, polymicrogyria, atretic encephalocele, hypomyelination, and nonobstructive dilatation of lateral ventricles; malformations that have not been previously reported were determined, including cerebellar folial disorganization, hippocampal malformation, temporal lob hypoplasia, ambient cistern lipoma, and parenchymal cyst.
    Conclusion: Structural abnormalities associated with the MTS are not rare, and the additional imaging findings may help explain the neurological presentation in these patients.
    MeSH term(s) Adolescent ; Brain/abnormalities ; Brain/pathology ; Cerebellum/abnormalities ; Cerebellum/pathology ; Child ; Child, Preschool ; Diagnosis, Differential ; Female ; Humans ; Infant ; Magnetic Resonance Imaging/methods ; Male ; Molar/abnormalities ; Molar/pathology ; Syndrome
    Language English
    Publishing date 2010-03
    Publishing country Turkey
    Document type Journal Article
    ZDB-ID 2184145-7
    ISSN 1305-3612 ; 1305-3825
    ISSN (online) 1305-3612
    ISSN 1305-3825
    DOI 10.4261/1305-3825.DIR.2673-09.1
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Radiological features of childhood giant cavernous malformations.

    Ozgen, Burce / Senocak, Efsun / Oguz, Kader K / Soylemezoglu, Figen / Akalan, Nejat

    Neuroradiology

    2010  Volume 53, Issue 4, Page(s) 283–289

    Abstract: Introduction: Giant cavernous malformations (GCM) are very large, low-flow vascular malformations, which usually have atypical imaging features and are commonly misdiagnosed preoperatively as neoplasms or vascular malformations. These lesions have ... ...

    Abstract Introduction: Giant cavernous malformations (GCM) are very large, low-flow vascular malformations, which usually have atypical imaging features and are commonly misdiagnosed preoperatively as neoplasms or vascular malformations. These lesions have mostly been reported in children. As cavernomas show different features in children compared to adults, we evaluated the imaging features of pediatric GCMs in order to help in the preoperative diagnosis of these malformations.
    Methods: Brain MR studies of nine children (mean age of 4 years; 8 months-9 years) with biopsy-proven GCM were retrospectively evaluated. We defined GCMs as cavernomas of ≥4 cm. Lesions were evaluated regarding their size, location, signal characteristics, general appearance (uni/multilocular) as well as regarding the presence of mass effect, edema, and fluid-fluid levels and were classified according to the Mottolese classification of pediatric cavernomas.
    Results: Lesion locations were parietal (n = 5), frontal (n = 2), temporal, and intraventricular. Seven lesions were in the periventricular region (with five in the periatrial region). Six patients had T1 hyperintense multilobulated lesions with "bubbles of blood" appearance and three patients had heterogeneous lesions with reticular core. All lesions had mass effect, edema (marked in four cases), and peripheral hemosiderin rim. Fluid-fluid levels were also common (n = 7). Most of our lesions (six of nine) were classified as type IIIA, two as type IIIC, and one as type IA.
    Conclusion: In children, a GCM should be considered in case of very large hemorrhagic intra-axial mass with "bubbles of blood" multicystic appearance, surrounding hemosiderin ring, fluid-fluid levels, and accompanying edema-mass effect, especially in the periatrial location.
    MeSH term(s) Biopsy ; Brain/pathology ; Central Nervous System Neoplasms/diagnosis ; Central Nervous System Neoplasms/pathology ; Child ; Child, Preschool ; Female ; Hemangioma, Cavernous, Central Nervous System/diagnosis ; Hemangioma, Cavernous, Central Nervous System/pathology ; Humans ; Infant ; Magnetic Resonance Imaging ; Male ; Retrospective Studies ; Severity of Illness Index
    Language English
    Publishing date 2010-11-03
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 123305-1
    ISSN 1432-1920 ; 0028-3940
    ISSN (online) 1432-1920
    ISSN 0028-3940
    DOI 10.1007/s00234-010-0783-5
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 658: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
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    Jg. 1995 - 2021: Lesesall (1.OG)
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  6. Article ; Online: Parenchymal lymphoma of the brain on initial MR imaging: a comparative study between primary and secondary brain lymphoma.

    Senocak, Efsun / Oguz, Kader Karli / Ozgen, Burce / Mut, Melike / Ayhan, Selim / Berker, Mustafa / Ozdemir, Pinar / Cila, Aysenur

    European journal of radiology

    2011  Volume 79, Issue 2, Page(s) 288–294

    Abstract: Background and purpose: Parenchymal lymphomatous brain masses have not been investigated considering if they are primary or as a part of systemic lymphoma (secondary) on imaging studies previously. We aimed to determine characteristics of the secondary ... ...

    Abstract Background and purpose: Parenchymal lymphomatous brain masses have not been investigated considering if they are primary or as a part of systemic lymphoma (secondary) on imaging studies previously. We aimed to determine characteristics of the secondary parenchymal lymphomatous involvement of the brain and to find if there is any radiologic feature to help discrimination of untreated primary and secondary central nervous system lymphoma on patients' initial magnetic resonance imaging.
    Materials and methods: We evaluated MR images of 18 patients with the diagnosis of primary (n=12) and secondary central nervous system lymphoma (n=6). We considered the number, localization, enhancement pattern, signal characteristics, diffusion properties, presence of hemorrhage and presence of butterfly pattern on MR imaging at initial presentation.
    Results: Secondary central nervous system lymphomas predominantly presented as multiple (n=4, 66.7%) lesions. Homogenous nodular enhancement and supratentorial white matter involvement were present in all patients with butterfly pattern and infiltrative/perivenular enhancement in half (n=3) of the patients. Deep gray matter (n=1, 16.7%) and infratentorial involvement (n=1, 16.7%) were scarce and no ring enhancement was observed. There was no statistically significant difference in any of the investigated MR features between the two groups.
    Conclusion: Statistical analyses revealed no significant distinctive radiologic characteristics between primary and secondary lymphoma of the brain parenchyma.
    MeSH term(s) Adolescent ; Adult ; Aged ; Biopsy ; Brain Neoplasms/diagnosis ; Brain Neoplasms/secondary ; Child ; Contrast Media ; Female ; Humans ; Image Interpretation, Computer-Assisted ; Lymphoma/diagnosis ; Lymphoma/pathology ; Magnetic Resonance Imaging/methods ; Male ; Middle Aged ; Retrospective Studies ; Statistics, Nonparametric
    Chemical Substances Contrast Media
    Language English
    Publishing date 2011-08
    Publishing country Ireland
    Document type Comparative Study ; Journal Article
    ZDB-ID 138815-0
    ISSN 1872-7727 ; 0720-048X
    ISSN (online) 1872-7727
    ISSN 0720-048X
    DOI 10.1016/j.ejrad.2010.01.017
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    Zs.A 1630: Show issues Location:
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  7. Article ; Online: Imaging features of CNS involvement in AIDS.

    Senocak, Efsun / Oğuz, Kader Karli / Ozgen, Burçe / Kurne, Asli / Ozkaya, Gülşen / Unal, Serhat / Cila, Ayşenur

    Diagnostic and interventional radiology (Ankara, Turkey)

    2010  Volume 16, Issue 3, Page(s) 193–200

    Abstract: Patients with acquired immunodeficiency syndrome (AIDS) are the subjects of a large part of routine neuroradiological work in the Western world currently. The World Health Organization announced that Turkish authorities had reported a cumulative total of ...

    Abstract Patients with acquired immunodeficiency syndrome (AIDS) are the subjects of a large part of routine neuroradiological work in the Western world currently. The World Health Organization announced that Turkish authorities had reported a cumulative total of 2544 HIV cases from 1985 to 2006, of whom 623 had developed AIDS and 140 had died. It is estimated that approximately one-third of AIDS patients develop neurological complications. The spectrum of diseases affecting the central nervous system (CNS) in AIDS patients comprises predominantly opportunistic infections and primary CNS lymphoma. Although to a lesser degree when compared with Western countries, the incidence of AIDS and related neurological diseases are on the rise also in Turkey. Therefore radiologists should recognize HIV-associated problems and their imaging features. In this review, we focus on imaging features of more common CNS diseases in HIV-seropositive patients. This essay has been prepared using radiological studies of the patients who had been managed in our hospital which is a tertiary care center with a highly motivated medical team for this peculiar disease in the years between 2002 and 2008.
    MeSH term(s) AIDS Dementia Complex/diagnostic imaging ; AIDS Dementia Complex/pathology ; Acquired Immunodeficiency Syndrome/complications ; Acquired Immunodeficiency Syndrome/diagnostic imaging ; Acquired Immunodeficiency Syndrome/pathology ; Adult ; Aphasia, Wernicke/diagnostic imaging ; Aphasia, Wernicke/etiology ; Female ; HIV Infections/diagnostic imaging ; Humans ; Infant ; Magnetic Resonance Angiography/methods ; Male ; Tomography, X-Ray Computed
    Language English
    Publishing date 2010-09
    Publishing country Turkey
    Document type Journal Article
    ZDB-ID 2184145-7
    ISSN 1305-3612 ; 1305-3825
    ISSN (online) 1305-3612
    ISSN 1305-3825
    DOI 10.4261/1305-3825.DIR.2182-08.1
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  8. Article: Lipoma arborescens of the suprapatellar bursa and extensor digitorum longus tendon sheath: report of 2 cases.

    Senocak, Efsun / Gurel, Kamil / Gurel, Safiye / Ozturan, Kutay Engin / Cakici, Husamettin / Yilmaz, Fahri / Boran, Cetin

    Journal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine

    2007  Volume 26, Issue 10, Page(s) 1427–1433

    Abstract: Objective: Lipoma arborescens (diffuse articular lipomatosis) is a rare intra-articular lesion consisting of subsynovial villous proliferation of mature fat cells. The usual clinical presentation is painless swelling. The aim of this series was to ... ...

    Abstract Objective: Lipoma arborescens (diffuse articular lipomatosis) is a rare intra-articular lesion consisting of subsynovial villous proliferation of mature fat cells. The usual clinical presentation is painless swelling. The aim of this series was to emphasize the importance of gray scale and color Doppler sonography through the investigation of chronic joint swelling.
    Methods: Lipoma arborescens of the knee and extensor digitorum longus tendon sheath at the ankle region are described. The latter is extremely rare. We examined 2 patients with sonography before using cross-sectional modalities.
    Results: Gray scale sonography revealed hyperechoic irregular villous and frondlike projections within prominent joint effusion. A wavelike motion of the projections was shown by dynamic compression and manipulation of the effusion. We observed moderate vascularity on color Doppler sonography. Spectral analysis revealed a low-resistance arterial waveform.
    Conclusions: Gray scale sonography is a useful diagnostic modality that can be performed to evaluate chronic joint swelling before the use of cross-sectional and more expensive modalities.
    MeSH term(s) Adolescent ; Aged ; Ankle Joint/diagnostic imaging ; Ankle Joint/pathology ; Bursa, Synovial/diagnostic imaging ; Bursa, Synovial/pathology ; Chronic Disease ; Female ; Humans ; Knee Joint/diagnostic imaging ; Knee Joint/pathology ; Lipoma/diagnostic imaging ; Lipoma/pathology ; Male ; Tendons/diagnostic imaging ; Tendons/pathology ; Tomography, X-Ray Computed ; Ultrasonography, Doppler, Color
    Language English
    Publishing date 2007-07-06
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 604829-8
    ISSN 1550-9613 ; 0278-4297
    ISSN (online) 1550-9613
    ISSN 0278-4297
    DOI 10.7863/jum.2007.26.10.1427
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1793: Show issues Location:
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