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Iskalni niz: "avtor" (Andrej Vranič) .

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1.
New developments in surgery of malignant gliomas
Andrej Vranič, 2011, pregledni znanstveni članek

Povzetek: Background. Malignant gliomas account for a high proportion of brain tumours. With new advances in neurooncology, the recurrence-free survival of patients with malignant gliomas has been substantially prolonged. It, however, remains dependent on the thoroughness of the surgical resection. The maximal tumour resection without additional postoperative deficit is the goal of surgery on patients with malignant gliomas. In order to minimize postoperative deficit, several pre- and intraoperative techniques have been developed. Conclusions. Several techniques used in malignant glioma surgery have been developed, including microsurgery, neuroendoscopy, stereotactic biopsy and brachytherapy.Imaging and functional techniques allowing for safer tumour resection have a special value. Imaging techniques allow for better preoperative visualization and choice of the approach, while functional techniques help us locate eloquent regions of the brain.
Objavljeno v DiRROS: 19.03.2024; Ogledov: 110; Prenosov: 30
.pdf Celotno besedilo (669,85 KB)

2.
Antigen expression on recurrent meningioma cells
Andrej Vranič, 2010, izvirni znanstveni članek

Povzetek: Introduction. Meningiomas are intracranial brain tumours that frequently recur. Recurrence rates up to 20% in 20 years for benign meningiomas, up to 80% for atypical meningiomas and up to 100% for malignant meningiomas, have been reported. The most important prognostic factors for meningioma recurrenceare meningioma grade, meningioma invasiveness and radicality of neurosurgical resection. The aim of our study was to evaluate the differences in antigenic expression on the surface of meningioma cells between recurrent and non-recurrent meningiomas. Methods. 19 recurrent meningiomas and 35 non-recurrent meningiomas were compared regarding the expression of MIB-1 antigen, progesterone receptors, cathepsin B and cathepsin L, using immunohistochemistry. Results. MIB-1 antigen expression was higher in the recurrent meningioma group (p=0.001). No difference in progesterone receptor status between recurrent and non-recurrent meningiomas was confirmed. Immunohistochemical intensity scores for cathepsin B (p= 0.007) and cathepsin L (p<0.001) were both higher in the recurrent than in the non-recurrent meningioma group. Conslusions. MIB-1 antigen expression is higher in recurrentcompared to non-recurrent meningiomas. There is no difference in expression of progesterone receptors between recurrent and non-recurrent meningiomas. Cathepsins B and L are expressed more in recurrent meningiomas.
Objavljeno v DiRROS: 15.03.2024; Ogledov: 111; Prenosov: 26
.pdf Celotno besedilo (956,01 KB)

3.
Cathepsin L in human meningiomas
Miha Trinkaus, Andrej Vranič, Vinko V. Dolenc, Tamara Lah Turnšek, 2003, izvirni znanstveni članek

Ključne besede: meningioma-pathology, cathepsin L, reverse transcriptase, polymerase chain reaction, neoplasm invasiveness
Objavljeno v DiRROS: 06.02.2024; Ogledov: 156; Prenosov: 39
.pdf Celotno besedilo (230,61 KB)
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