Research Explorer

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Researcher

Jean-Pierre Kalala Okito

Awards & Distinctions

76 Results

2024

Epidemiology and survival of adult-type diffuse glioma in Belgium during the molecular era

Harry PinsonGeert SilversmitDimitri VanhauwaertKatrijn VanschoenbeekJean-Pierre Kalala OkitoSteven De VleeschouwerTom BoterbergCindy De Gendt

A1 Journal Article in NEURO-ONCOLOGY

Pre- to postoperative longitudinal follow-up of phoneme perception in glioma patients : evidence from the Mismatch Negativity and P300

Yana CrielEdward BaertJean-Pierre Kalala OkitoGiorgio HallaertDirk Van RoostLuc De BaerdemaekerWouter DegrèveMarijke MiattonPatrick SantensPieter van Mierlo et al.

A1 Journal Article in APHASIOLOGY

2022

Dynamic network approach to the language assessment in glioma patients : on event-related potentials and spontaneous speech monitoring

Yana CrielEdward BaertJean-Pierre Kalala OkitoGiorgio HallaertDirk Van RoostLuc De BaerdemaekerWouter DegrèveMarijke MiattonPatrick SantensPieter van Mierlo et al.

Dynamische netwerkaanpak voor taalevaluatie bij patiënten met een hersenglioom : over event-gerelateerde potentialen en spontane taal

Yana CrielEdward BaertJean-Pierre Kalala OkitoGiorgio HallaertDirk Van RoostLuc De BaerdemaekerWouter DegrèveMarijke MiattonPatrick SantensPieter van Mierlo et al.

The supplementary motor area syndrome : a neurosurgical review

Harry PinsonJeroen Van LerbeirgheDimitri VanhauwaertOlivier Van DammeGiorgio HallaertJean-Pierre Kalala Okito

A1 Journal Article in NEUROSURGICAL REVIEW

2021

On glioblastoma patient survival : surgical, radiological, radiotherapeutic and molecular biological prognostic factors

Giorgio HallaertJean-Pierre Kalala OkitoDirk Van RoostTom Boterberg

Sex-based survival differences in IDH-wildtype glioblastoma : results from a retrospective cohort study

Giorgio HallaertHarry PinsonCaroline Van den BroeckeDirk Van RoostJean-Pierre Kalala OkitoTom Boterberg

A1 Journal Article in JOURNAL OF CLINICAL NEUROSCIENCE

Survival impact of incidental subventricular zone irradiation in IDH-wildtype glioblastoma

Giorgio HallaertHarry PinsonCaroline Van den BroeckeCaroline SweldensDirk Van RoostJean-Pierre Kalala OkitoTom Boterberg

A1 Journal Article in ACTA ONCOLOGICA

2020

Comparison of the CRASH Score–predicted and real outcome of traumatic brain injury in a retrospective analysis of 417 patients

Matthias DullaertJoyce OerlemansPeter De PaepeJean-Pierre Kalala OkitoGiorgio Hallaert

A1 Journal Article in WORLD NEUROSURGERY

Partial resection offers an overall survival benefit over biopsy in MGMT-unmethylated IDH-wildtype glioblastoma patients

Giorgio HallaertHarry PinsonDimitri VanhauwaertCaroline Van den BroeckeDirk Van RoostTom BoterbergJean-Pierre Kalala Okito

A1 Journal Article in SURGICAL ONCOLOGY - OXFORD

Subventricular zone contacting glioblastoma : tumor size, molecular biological factors and patient survival

Giorgio HallaertHarry PinsonCaroline Van den BroeckeDimitri VanhauwaertDirk Van RoostTom BoterbergJean-Pierre Kalala Okito

A1 Journal Article in ACTA ONCOLOGICA

Weak MGMT gene promoter methylation confers a clinically significant survival benefit in patients with newly diagnosed glioblastoma : a retrospective cohort study

Harry PinsonGiorgio HallaertJoni Van der MeulenF DedeurwaerdereD VanhauwaertCaroline Van den BroeckeJo Van DorpeDirk Van RoostJean-Pierre Kalala OkitoTom Boterberg

A1 Journal Article in JOURNAL OF NEURO-ONCOLOGY

2019

Adjuvant therapeutic potential of tonabersat in the standard treatment of glioblastoma : a preclinical F98 glioblastoma rat model study

Valerie De MeulenaereEllen BonteJeroen VerhoevenJean-Pierre Kalala OkitoLeen PietersAnne VralOlivier De WeverLuc LeybaertIngeborg GoethalsChristian Vanhove et al.

A1 Journal Article in PLOS ONE

Lack of correlation between incidental ipsilateral subventricular zone radiation dose and overall survival in glioblastoma patients

Giorgio HallaertHarry PinsonDimitri VanhauwaertLorenzo StaelensCaroline VandenbroeckeDirk Van RoostJean-Pierre Kalala OkitoTom Boterberg

Results and critical analysis of the application of the CRASH neurotrauma outcome calculator within the patient cohort 2010-2014 of the Ghent University Hospital

Matthias DullaertJoyce OerlemansGiorgio HallaertPeter De PaepeJean-Pierre Kalala Okito

Standard error of measurement (SEM) and intraclass coefficient (ICC) in volumetric assessment of postoperative residual tumor volume in glioblastoma

Giorgio HallaertHarry PinsonDirk Van RoostJean-Pierre Kalala OkitoVicky VandriesscheTom Boterberg

Technical feasibility of [18F]FET and [18F]FAZA PET guided radiotherapy in a F98 glioblastoma rat model

Jeroen VerhoevenJulie BolcaenValerie De MeulenaereKen KersemansBenedicte DescampsSam DoncheCaroline Van den BroeckeTom BoterbergJean-Pierre Kalala OkitoKarel Deblaere et al.

A1 Journal Article in RADIATION ONCOLOGY

2018

Hydroxyapatite cranioplasty : a retrospective evaluation of osteointegration in 17 cases

WIM MAENHOUDTGiorgio HallaertJean-Pierre Kalala OkitoEdward BaertFrank DewaeleWOUTER BAUTERSDirk Van Roost

A1 Journal Article in ACTA NEUROCHIRURGICA

Treating hydrocephalus with retrograde ventriculosinus shunt : prospective clinical study

Edward BaertFrank DewaeleJelle VandersteeneGiorgio HallaertJean-Pierre Kalala OkitoDirk Van Roost

A1 Journal Article in WORLD NEUROSURGERY

Treatment of hydrocephalus with the ventriculo-sinus shunt : technical and thrombotic challenges

Edward BaertDirk Van RoostFilip De SomerJean-Pierre Kalala Okito

Validation of different static [18F]FET-PET parameters in the discrimination of low- and high-grade gliomas

Michaël HenrotteStijn BonteGiorgio HallaertJean-Pierre Kalala OkitoIngeborg Goethals

Variation in general supportive and preventive intensive care management of traumatic brain injury : a survey in 66 neurotrauma centers participating in the Collaborative European NeuroTrauma Effectiveness Research in Traumatic Brain Injury (CENTER-TBI) study

Jilske A HuijbenVictor VoloviciMaryse C CnossenIain K HaitsmaNino StocchettiAndrew IR MaasDavid K MenonAri ErcoleGiuseppe CiterioDavid Nelson et al.

A1 Journal Article in CRITICAL CARE

2017

In vitro and in vivo evaluation of the LAT1 PET tracer 2-[18F]FELP in comparison to [18F]FET and [18F]FDG

Jeroen VerhoevenJulie BolcaenKen KersemansValerie De MeulenaereBenedicte DescampsJean-Pierre Kalala OkitoCaroline Van den BroeckeKarel DeblaereChristian VanhoveIngeborg Goethals et al.

In vitro characterization of the amino acid PET tracer 2-[18F]FELP and in vivo comparison to [18F]FET and [18F]FDG in a F98 glioblastoma rat model

Jeroen VerhoevenTristan BaguetJulie BolcaenKen KersemansCaroline DumolynStef De LombaerdeJean-Pierre Kalala OkitoCaroline Van den BroeckeKarel DeblaereChristian Vanhove et al.

Outcome of anterior lumbar interbody fusion : a retrospective study of clinical and radiologic parameters

Harry PinsonGiorgio HallaertPATRICK HERREGODTSKarel EveraertTIM COUVREURJacques CaemaertJean-Pierre Kalala OkitoDirk Van Roost

A1 Journal Article in WORLD NEUROSURGERY

Variation in monitoring and treatment policies for intracranial hypertension in traumatic brain injury : a survey in 66 neurotrauma centers participating in the CENTER-TBI study

Maryse C CnossenJilske A HuijbenMathieu van der JagtVictor VoloviciThomas van EssenSuzanne PolinderDavid NelsonAri ErcoleNino StocchettiGiuseppe Citerio et al.

A1 Journal Article in CRITICAL CARE

2016

Evaluation of the LAT1 selective amino acid PET tracer 2-[18F]FELP in comparison to [18F]FET and [18F]FDG in a F98 glioblastoma rat model

Jeroen VerhoevenJulie BolcaenKen KersemansStef De LombaerdeBenedicte DescampsJean-Pierre Kalala OkitoCaroline Van den BroeckeKarel DeblaereChristian VanhoveIngeborg Goethals et al.

Kinematic study of the cervical spine : the instantaneous center of rotation

Baoge LiuJean-Pierre Kalala OkitoTom Van Hoof

Kinetic modeling and graphical analysis of 18F-fluoromethylcholine (FCho), 18F-fluoroethyltyrosine (FET) and 18F-fluorodeoxyglucose (FDG) PET for the discrimination between high-grade glioma and radiation necrosis in rats

Julie BolcaenKelly LybaertLieselotte MoermanBenedicte DescampsKarel DeblaereTom BoterbergJean-Pierre Kalala OkitoCaroline Van den BroeckeFilip De VosChristian Vanhove et al.

A1 Journal Article in PLOS ONE

The use of the trendelenburg position in the surgical treatment of extreme cerebellar slump

Frank DewaeleAlain KalmarEdward BaertAnnemieke Van HaverGiorgio HallaertFrank De MetsLeonie WilliamsJean-Pierre Kalala OkitoKoen PaemeleireJacques Caemaert et al.

A1 Journal Article in BRITISH JOURNAL OF NEUROSURGERY

2015

18F-fluoromethylcholine (FCho), 18F-fluoroethyltyrosine (FET), and 18F-fluorodeoxyglucose (FDG) for the discrimination between high-grade glioma and radiation necrosis in rats: a PET study

Julie BolcaenBenedicte DescampsKarel DeblaereTom BoterbergFilip De VosJean-Pierre Kalala OkitoCaroline Van den BroeckeElke DecrockLuc LeybaertChristian Vanhove et al.

A1 Journal Article in NUCLEAR MEDICINE AND BIOLOGY

Can surgical outcome of anterior lumbar interbody fusion surgery be predicted by preoperative imaging?

TIM COUVREURGiorgio HallaertHarry PinsonJean-Pierre Kalala OkitoJacques CaemaertDirk Van Roost

Comparison of hybrid constructs with 2-level artificial disc replacement and 2-level anterior cervical discectomy and fusion for surgical reconstruction of the cervical spine : a kinematic study in whole cadavers

Baoge LiuZheng ZengTom Van HoofJean-Pierre Kalala OkitoZhenyu LiuBingxuan Wu

A1 Journal Article in MEDICAL SCIENCE MONITOR

Endoscopic treatment of temporal arachnoid cysts in 34 patients

TIM COUVREURGiorgio HallaertTatjana Van Der HeggenEdward BaertFrank DewaeleJean-Pierre Kalala OkitoDimitri VanhauwaertMarc DeruytterDirk Van RoostJacques Caemaert

A1 Journal Article in WORLD NEUROSURGERY

2014

18F-fluoromethylcholine (FCho), 18F-fluoroethylthyrosine (FET), 18F-fluordeoxyglucose (FDG) PET for the discrimination between high-grade glioma (HGG) and radiation necrosis (RN): a µPET study

Julie BolcaenBenedicte DescampsKarel DeblaereTom BoterbergFilip De VosJean-Pierre Kalala OkitoCaroline Van den BroeckeChristian VanhoveIngeborg Goethals

A novel design for steerable instruments based on laser-cut nitinol

Frank DewaeleAlain KalmarFREDERIC DE RYCKNicolaas LumenLeonie WilliamsEdward BaertHUGO VEREECKEJean-Pierre Kalala OkitoCyriel MabildeBart Blanckaert et al.

A1 Journal Article in SURGICAL INNOVATION

Effect of osteoporosis and intervertebral disc degeneration on endplate cartilage injury in rats

Lei WangWei CuiJean-Pierre Kalala OkitoTom Van HoofBao-Ge Liu

A1 Journal Article in ASIAN PACIFIC JOURNAL OF TROPICAL MEDICINE

F-18 fluoromethylcholine (F-18 FCho) PET for the prediction of response according to the RANO criteria in glioblastoma patients

Julie BolcaenMarjan AcouTom BoterbergFilip De VosKen KersemansJean-Pierre Kalala OkitoGiorgio HallaertJacques CaemaertCaroline Van den BroeckeRoel Van Holen et al.

F-18 fluoromethylcholine (FCho), F-18 fluoroethyltyrosine (FET) and F-18 fluorodeoxyglucose (FDG) for the discrimination between high-grade glioma and radiation necrosis in rats: a PET study

Julie BolcaenBenedicte DescampsKarel DeblaereTom BoterbergFilip De VosJean-Pierre Kalala OkitoCaroline Van den BroeckeChristian VanhoveIngeborg Goethals

F-18 fluoromethylcholine (FCho), F-18 fluoroethyltyrosine (FET) and F-18 fluorodeoxyglucose (FDG) for the discrimination between tumor recurrence and radiation necrosis in high-grade glioma: a µPET study

Julie BolcaenBenedicte DescampsKarel DeblaereTom BoterbergFilip De VosJean-Pierre Kalala OkitoCaroline Van den BroeckeChristian VanhoveIngeborg Goethals

Kinematic study of the relation between the instantaneous center of rotation and degenerative changes in the cervical intervertebral disc

Baoge LiuZhenyu LiuTom Van HoofJean-Pierre Kalala OkitoZheng ZengXin Lin

A1 Journal Article in EUROPEAN SPINE JOURNAL

Use of 18F-fluoromethylcholine PET in early treatment response assessment in glioblastoma patients

Julie BolcaenMarjan AcouTom BoterbergKarel DeblaereF De VosGiorgio HallaertJean-Pierre Kalala OkitoC Van den Broecke

2013

Chordoid meningioma in an adult patient presenting with chronic fatigue and systemic inflammation

MARJAN HAMELSAn MarimanJean-Pierre Kalala OkitoCaroline Van den BroeckeLIESBETH DELESIEEls TobbackDirk Van RoostDirk Vogelaers

A1 Journal Article in ACTA CLINICA BELGICA

F-18 FDG PET, MRI or combined PET/MRI reading, which method is best for discriminating high-grade from low-grade gliomas?

Marjan AcouYves D'AsselerKarel DeblaereCaroline Van den BroeckeGiorgio HallaertJean-Pierre Kalala OkitoEric AchtenIngeborg Goethals

MRI-guided 3D-conformal arc micro-irradiation of a F98 glioblastoma rat model using a small animal radiation research platform

Julie BolcaenGiorgio HallaertJean-Pierre Kalala OkitoTom BoterbergCaroline Van den BroeckeBenedicte DescampsKarel DeblaereIngeborg GoethalsChristian Vanhove

Proptosis and blindness caused by meningioma in a patient treated with cyproterone acetate

CELINE SYSPieter Van LooJean-Pierre Kalala OkitoIsabelle De KockPhilippe Kestelyn

Spontaneous delayed brain herniation through a subdural membrane after tumor surgery

Annelies Van DyckeJean-Pierre Kalala OkitoMarjan AcouKarel DeblaereDimitri HemelsoetDirk Van Roost

A1 Journal Article in JOURNAL OF NEUROLOGICAL SURGERY PART A-CENTRAL EUROPEAN NEUROSURGERY

The response of bispectral index to laryngoscopy, comparison between hemispheres in patients with a brain tumour versus a healthy control group

Stefan De HertPiet WyffelsMichel StruysHUGO VEREECKEBarbara WylerJean-Pierre Kalala Okito

Treatment of cystic craniopharyngioma by endocavitary instillation of yttrium⁹⁰ radioisotope : still a valuable treatment option

Dimitri VanhauwaertGiorgio HallaertEdward BaertDirk Van RoostJean-Pierre Kalala OkitoJacques Caemaert

A1 Journal Article in JOURNAL OF NEUROLOGICAL SURGERY PART A-CENTRAL EUROPEAN NEUROSURGERY

Validation of 18F-FDG PET at conventional and delayed intervals for the discrimination of high-grade from low-grade gliomas : a stereotactic PET and MRI study

Koen MertensMarjan AcouJel Van HauweIne De RuyckCaroline Van den BroeckeJean-Pierre Kalala OkitoYves D'AsselerIngeborg Goethals

A1 Journal Article in CLINICAL NUCLEAR MEDICINE

2012

Bispectral index at loss of consciousness and in response to laryngposcopy measured on healthy hemispheres during pseudo-steady state propofol and remifentanil anesthesia

JELLE HOUTHOOFDBarbara WylerJean-Pierre Kalala OkitoMichel StruysHUGO VEREECKE

Distribution patterns of 18F-labelled fluoromethylcholine in normal structures and tumors of the head A PET/MRI evaluation

Koen MertensHamphrey HamKarel DeblaereJean-Pierre Kalala OkitoCaroline Van den BroeckeDominique SlaetsFilip De VosIngeborg Goethals

A1 Journal Article in CLINICAL NUCLEAR MEDICINE

The response of bispectral index to laryngoscopy, comparison between healthy hemispheres during pseudo-steady state propofol and remifentanil anesthesia

JELLE HOUTHOOFDBarbara WylerJean-Pierre Kalala OkitoMichel StruysHUGO VEREECKE

2011

Dual-time point FDG PET imaging of gliomas: a correlation with pathology

Koen MertensCaroline Van den BroeckeIne De RuyckJel Van HauweGiorgio HallaertJean-Pierre Kalala OkitoIngeborg Goethals

F-18 labelled fluoromethylcholine distribution patterns in brain lesions and normal structures of the head

Koen MertensHamphrey HamKarel DeblaereJean-Pierre Kalala OkitoCaroline Van den BroeckeDominique SlaetsFilip De VosIngeborg Goethals

Transarterial embolization with ONYX for treatment of intracranial non-cavernous dural arteriovenous fistula with or without cortical venous reflux

KATRIEN DE KEUKELEIREPeter VanlangenhoveJean-Pierre Kalala OkitoGiorgio HallaertDirk Van RoostLuc Defreyne

A1 Journal Article in JOURNAL OF NEUROINTERVENTIONAL SURGERY

2009

A novel design for steerable endoscopic instruments

F DewaeleCyriel MabildeB BlanckaertG MeynsJan QuintelierJean-Pierre Kalala OkitoE BaertJ Van de VoordeLuc LeybaertDirk Van Roost et al.

Comparing index of Consciousness and Bispectral Index during Propofol Induction

TIM MELSBarbara WylerJean-Pierre Kalala OkitoMichel StruysHUGO VEREECKE

Comparing index of consciousness and bispectral index during propofol recovery

TIM MELSBarbara WylerJean-Pierre Kalala OkitoMichel StruysHUGO VEREECKE

Endoscopic treatment of cerebral tumors

Jacques CaemaertFrank DewaeleJean-Pierre Kalala OkitoEdward BaertDirk Van Roost

Intracavitary irradiation of cystic craniopharyngioma by stereotactic instillation of beta-emitting radioisotope (yttrium 90)

Jean-Pierre Kalala OkitoDirk Van RoostIngeborg GoethalsEric AchtenJacques Caemaert

Migration of pump for intrathecal drug delivery into the peritoneal cavity : case report

Dimitri VanhauwaertJean-Pierre Kalala OkitoEdward BaertGiorgio HallaertERWIN CROMBEZJacques CaemaertDirk Van Roost

A1 Journal Article in SURGICAL NEUROLOGY

Neuroendoscopie et lésions expansives intracrâniennes. Quel futur?

Jean-Pierre Kalala OkitoFrank DewaeleDirk Van RoostJacques Caemaert

2008

Frameless neuronavigation-guided endoscopic total en-bloc removal of a third ventricular colloid cyst : a case report on surgical technique

Z IdrisGiorgio HallaertD VanhauwaertJean-Pierre Kalala OkitoFrank DewaeleEdward BaertDirk Van RoostJacques Caemaert

A1 Journal Article in MINIMALLY INVASIVE NEUROSURGERY

2007

Relation between telomerase activity, hTERT and telomere length for intracranial tumours

Lode MaesLeander Van NesteK Van DammeJean-Pierre Kalala OkitoLeo De RidderSofie BekaertMaria Cornelissen

A1 Journal Article in ONCOLOGY REPORTS

2006

PCNA, Ki-67 and hTERT in residual benign meningiomas

Lode MaesJean-Pierre Kalala OkitoMaria CornelissenLeo De Ridder

A1 Journal Article in IN VIVO

Telomerase activity and hTERT protein expression in meningiomas: an analysis in vivo versus in vitro

Lode MaesJean-Pierre Kalala OkitoMaria CornelissenLeo De Ridder

A1 Journal Article in ANTICANCER RESEARCH

2005

The hTERT protein as a marker for malignancy in meningiomas

Jean-Pierre Kalala OkitoLode MaesCaroline Van den broeckeLeo De Ridder

A1 Journal Article in ONCOLOGY REPORTS

The hTERT-protein and Ki-67 labelling index in recurrent and non-recurrent meningiomas

Lode MaesEvi LippensJean-Pierre Kalala OkitoLeo De Ridder

A1 Journal Article in CELL PROLIFERATION

2004

Are spontaneous epidural haematoma in sickle cell disease a rare complication?: a report of two new cases

Jean-Pierre Kalala OkitoO Van DammeL Calliauw

A1 Journal Article in ACTA NEUROCHIRURGICA

Can recurrence of meningiomas be predicted?

Jean-Pierre Kalala OkitoDominique BenoitLeo De Ridder

A1 Journal Article in ANTICANCER RESEARCH

Meningiomas : their biological behaviour in vivo and in vitro

Jean-Pierre Kalala OkitoLeo De RidderJacques Caemaert

Primary resected meningiomas : relapses and proliferation markers

Jean-Pierre Kalala OkitoJacques CaemaertLeo De Ridder

A1 Journal Article in IN VIVO

2003

Evolution of the brain tumour spheroid model: transcending current model limitations

A CorcoranLeo De RidderD Del DucaJean-Pierre Kalala OkitoT LahGJ PilkingtonRF Del Maestro

A1 Journal Article in ACTA NEUROCHIRURGICA

1991

Transesophageal echocardiography: a simple method for monitoring the patency of ventriculoatrial shunts: technical note

Luc CalliauwJohan VandenbogaerdeJean-Pierre Kalala OkitoJacques CaemaertFrédéric MartensTom Vandekerckhove

A1 Journal Article in JOURNAL OF NEUROSURGERY

1990

A prospective and double blind study on neurotopin in patients with ischemic stroke

Jacques De ReuckD DecooP VanderdoncktA DallengaW CeustersJean-Pierre Kalala OkitoJan De BleeckerE TackI TackPaul Boon