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    Anatomic and radiologic analysis of the atlantal part of the vertebral artery
    (ELSEVIER SCI LTD, 2009) Cengiz, Sahika Liva; Cicekcibas, Aynur; Kiresi, Demet; Kocaogullar, Yalcin; Cicek, Onur; Baysefer, Alper; Buyukmumcu, Mustafa
    The horizontal third segment (V3h) of the vertebral artery (VA) in 7 cadavers (14 sides) was dissected and the anatomical measurements recorded. Measurements from 24 healthy individuals (48 sides) were taken for comparison using multislice CT scanning. The distance between the medial Lip of the VA V3h and the line passing through the mid point of the posterior tuberculum of the atlas was marked as length A. The distance between the medial tip of the VA V3h and the point penetrating the dura mater was classified as length B. The angle between these lines was the alpha (a) angle. Measurements were taken when the head was in a neutral position, as well as in maximum right and left rotation, extension and flexion. In cadavers, the mean alpha angle (+/- S.D.) was 82.42 +/- 10.34 degrees and 83.21 +/- 10.81 degrees on the right and left side, respectively. On multislice CT scanning, the mean a angle was 81.64 +/- 10.15 degrees on the right and 83.77 +/- 10.65 degrees, on the left. These angles varied with the position of the head. (C) 2008 Elsevier Ltd. All rights reserved.
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    Astroblastoma in a child
    (SPRINGER, 2008) Unal, Ekrem; Koksal, Yavuz; Vajtai, Istvan; Toy, Hatice; Kocaogullar, Yalcin; Paksoy, Yahya
    Background Astroblastoma, an uncommon neuroepithelial tumor, typically presents in young adults as a well-circumscribed cortical or subcortical spherical mass. Astroblastoma may cause a diagnostic problem to anyone unfamiliar with its architectural and histological features. Case history We report the case of a 4-year-old boy who was referred for complaints of progressive deficits of balance and difficulty with walking during the previous 3 months. A large fronto-parietal cystic mass with solid mural nodule was discovered. Total removal of the tumor mass was performed, and a diagnosis of high grade (malignant) variant of astroblastoma was made. Postoperatively, the patient received radiation therapy, for a period of 11 weeks, followed by chemotherapy. He is in a good neurological recovery without any evidence of recurrence for 8 months. Prognosis The best treatment modality for astroblastoma is surgical resection if possible, whereas adjuvant therapy (radiotherapy and/or chemotherapy) can be considered in high-grade astroblastomas, with a close follow-up for all cases.
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    A Case With Prepontine (Clival) Arachnoid Cyst Manifested as Trigeminal Neuralgia
    (WILEY-BLACKWELL, 2008) Genc, Emine; Dogan, Ebru Apaydin; Kocaogullar, Yalcin; Emlik, Dilek
    (Headache 2008;48:1525-1539) Most cases of "idiopathic" trigeminal neuralgia are thought to originate from vascular compression of the trigeminal root entry zone. In this case, we describe a young man presenting with the symptoms of trigeminal neuralgia associated with a prepontine (clival) arachnoid cyst.
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    CSF hydrothorax after ventriculoperitoneal shunt without catheter migration: a case report
    (SPRINGER, 2011) Kocaogullar, Yalcin; Guney, Onder; Kaya, Bulent; Erdi, Fatih
    Ventriculoperitoneal (VP) shunting is the most common procedure performed for the management of hydrocephalus. VP shunt related complications remain a persistent problem in current clinical practice. Five-year-old female patient was admitted to our hospital with persistent dyspnea complaint. The patient was operated at the age of 3 months and a VP shunt established in a different clinic due to hydrocephalus associated with Dandy-Walker malformation. The patient's chest X-ray revealed right sided pleural effusion. Thorasentesis was performed and the effusion was drained with a chest tube. The discharged liquid was consistent with CSF. Scintigraphic radionuclide shunt analyses were performed and CSF passage from abdomen to chest and lower mediastinal region was determined in the late static images. The patient was operated and the incorporated ventriculoperitoneal shunt was removed. Hydrothorax was completely resolved after early postoperative stage. CSF hydrothorax especially without catheter migration is an unusual but potentially serious-clinical complication.
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    Lumboperitoneal shunt in a patient with Behcet's disease with medically refractory intracranial hypertension
    (ELSEVIER SCI LTD, 2011) Dogan, Ebru Apaydin; Ozturk, Banu Turgut; Mutluer, Muzaffer; Yildiz, Gulce Unal; Genc, Emine; Yuruten, Betigul; Kocaogullar, Yalcin
    A 21-year-old male presented with severe throbbing headache, nausea, vomiting and progressive visual loss. Clinical examination revealed bilateral papilledema and left abducens nerve palsy. MRI showed findings consistent with ducal sinus thrombosis. Combinging the clinical findings, MRI and a positive pathergy test, the patient was diagnosed with dural sinus thrombosis associated with Behcet's disease (BD). Despite acetazolamide, prednisone, azathioprine and repeated lumbar punctures, his signs and symptoms of intracranial hypertension gradually worsened. Therefore, lumboperitoneal shunting was planned after which rapid resolution of intracranial hypertension was observed. After reviewing similar reports, we suggest that lumboperitoneal shunt placement can be an effective treatment for patients with BD with medically refractory intracranial hypertension associated with dural sinus thrombosis. (C) 2010 Elsevier Ltd. All rights reserved.