Our Mission
Our mission is to build high-quality research programs that improve outcomes, support scientific discovery, and create opportunities for collaboration and capacity building.
GNNet Research
About GNNet Research
Advancing research, collaboration, and discovery in neurosurgery and related fields.
GNNet Research is a collaborative research group focused on improving patient care through clinical research, data-driven investigation, and multidisciplinary teamwork. Our group develops projects that span publications, patient registries, and academic conference presentations. We aim to generate meaningful evidence, support innovation, and build a strong network of investigators, trainees, and clinical collaborators.
Why It Matters
Our work integrates clinical experience with evidence, seeks to advances patient-centered care and advocacy, and extends the impact of research through publication, presentation, and collaboration. We are equally committed to mentorship and early capacity building.
Work
Our Work
Research outputs, ongoing registries, and academic engagement.
Publications
Browse selected papers and scholarly work produced by the GNNet Research group. The preview below highlights three recent publications, with the full record available on demand.
2026Publication
Vaccine-based cancer immunotherapy in newly diagnosed glioblastoma: a time-to-event meta-analysis of phase II and III randomized controlled trials
Darko K, Tenkorang P, Osei-Tutu GJ, Asiedu O, Tahiru M, Nkrumah-Boateng P, Chen J, Fonkem E, Etame AB.
Clinical and Translational Oncology
2026 Jul 25. doi: 10.1007/s12094-026-04514-2.
2026Publication
Impact of blood product removal versus temporary cerebrospinal fluid diversion on permanent shunting rates in posthemorrhagic hydrocephalus of prematurity: a comparative meta-analysis
Darko K, Ayamdooh A, Asiedu O, Sampana M, Jubin C, Limann B, Haizel-Cobbina J, Dapaah-Siakwan F, Banson M.
Child's Nervous System
2026 Jun 29;42(1):273. doi: 10.1007/s00381-026-07379-6.
2026Publication
Management of pediatric posterior fossa dermoid cysts: a systematic review and illustrative case report
Ayamba BP, Darko K, Adjei Osei EK, Omane OA, Suhel FB, Uduak-Obong E, Ayamdooh AN, Mbumgwa P, Tutu GO, Doe-Kiininii E, Awindaogo JK, Ametefe M.
Egyptian Journal of Neurosurgery
Egypt J Neurosurg 41, 138 (2026). doi: 10.1186/s41984-026-00645-4.
Conferences Attended
See the meetings and conferences where our group has presented research, shared findings, and built collaborations.
Latest Additions
The 2026 conference calendar now includes meetings in Cairo and Dar es Salaam, alongside expanded scholarship support for GNNet presenters.
Small-Scale Grant
Prospective Hydrocephalus Registry at Korle Bu Teaching Hospital 2026-2029
Support: $3,000 over three years
Awardees: Bernice Limann
Supporting the establishment of a prospective hydrocephalus registry at Korle Bu Teaching Hospital.
Scholarship Award
Society For Neuro-Oncology Sub-Saharan Africa Annual Scientific Meeting 2026
Support: About $7,000
Awardees: Lois Agbemavi-Kudufia, Bernice Limann, Reginald Richter, Kwadwo Darko
Presentation Distinctions
- 2nd Best Oral Presentation: Mildred Obeyaa Gifty Marfo, "Variability in Pediatric Craniopharyngioma Management Across Sub-Saharan Africa: Capacity Mapping and Early Registry Development."
- 3rd Best Oral Presentation: Lois Agbemavi-Kudufia, "Survival, Functional, and Caregiver Reported Outcomes Following Brain Tumor Surgery in a Ghanaian Tertiary Centre: A Retrospective Cohort with Structured Telephone Follow-Up."
Scholarship Award
International Society of Pediatric Neurosurgery Annual Scientific Meeting 2026
Support: About $5,500
Awardees: Sweetie Agyeman, Bernice Limann, Emmanuel Osei Adjei, Mildred Marfo, Maame Doudua Boateng
Scholarship Award
Society For Neuro-Oncology Sub-Saharan Africa Annual Scientific Meeting 2025
Support: $3,000
Awardees: Bernice Limann, Emmanuel Osei Adjei
Scholarship Award
International Society of Pediatric Neurosurgery Annual Scientific Meeting 2025
Support: $7,000
Awardees: Bernice Limann, Emmanuel Osei Adjei, Mildred Marfo, Maame Doudua Boateng, Kwadwo Darko
2026Cairo, Egypt
International Society of Pediatric Neurosurgery Annual Scientific Meeting
Abstract Preview
- Intracranial Neuromodulation for Refractory Epilepsy in Pediatric Patients: A Systematic Review and Meta-Analysis
2026Dar es Salaam, Tanzania
Society for Neuro-Oncology Sub-Saharan Africa Annual Scientific Meeting
Abstract Preview
- Addressing the Data Desert: A Literature Review and Strategic Roadmap for a Collaborative Multi-Center Neuro-Oncology Imaging Repository in Africa
2025Accra, Ghana
Ghana Association of Neurological Surgeons Annual Scientific Meeting
Abstract Preview
- Epilepsy Surgery for Drug-Resistant Epilepsy in Africa: A Systematic Review and Meta-Analysis
Team
Our Team
Meet the people behind GNNet Research.
Leadership
Bernice Limann
President
Bernice earned her medical degree at the University of Ghana Medical School.
Lois Agbemavi-Kudufia
Vice Chair
Lois is a fifth-year medical student at the University of Ghana Medical School and Co-Chair of the Ghana Neuroscience Network.
Kwadwo Darko
Founder and Education Co-Lead
Kwadwo earned his medical degree at the University of Ghana Medical School.
Michael Yankey
Statistics Lead
Michael obtained his medical degree from the University of Ghana Medical School after previously completing his undergraduate studies.
Princess Afia Nkrumah-Boateng
Statistics Co-Lead
Princess Afia Nkrumah-Boateng is a fifth-year medical student at the University of Ghana Medical School.
Mildred Obeyaa Marfo
Education Lead
Mildred earned her medical degree at the University of Development Studies.
Maame Doudua Boateng
Research Lead
Maame earned her medical degree at the Accra College of Medicine.
Krishi Patel
Research Co-Lead
Krishi is a fourth-year medical student at the University of Ghana Medical School.
Kwaku Marfo
Research Co-Lead
Kwaku is a fourth-year medical student at the University of Ghana Medical School.
Bernice Limann
President
Bernice earned her medical degree at the University of Ghana Medical School.
Lois Agbemavi-Kudufia
Vice Chair
Lois is a fifth-year medical student at the University of Ghana Medical School and Co-Chair of the Ghana Neuroscience Network.
Kwadwo Darko
Founder and Education Co-Lead
Kwadwo earned his medical degree at the University of Ghana Medical School.
Michael Yankey
Statistics Lead
Michael obtained his medical degree from the University of Ghana Medical School after previously completing his undergraduate studies.
Princess Afia Nkrumah-Boateng
Statistics Co-Lead
Princess Afia Nkrumah-Boateng is a fifth-year medical student at the University of Ghana Medical School.
Mildred Obeyaa Marfo
Education Lead
Mildred earned her medical degree at the University of Development Studies.
Maame Doudua Boateng
Research Lead
Maame earned her medical degree at the Accra College of Medicine.
Krishi Patel
Research Co-Lead
Krishi is a fourth-year medical student at the University of Ghana Medical School.
Kwaku Marfo
Research Co-Lead
Kwaku is a fourth-year medical student at the University of Ghana Medical School.
Faculty
Mabel Banson
Consultant Neurosurgeon
Dr. Banson is Ghana's first female neurosurgeon and a consultant at Korle-Bu Teaching Hospital, where she also lectures part-time at the University of Ghana Medical School.
Patrick Bankah
Consultant Neurosurgeon
Dr. Bankah earned his medical degree from the University of Ghana and completed neurosurgical residency at Korle-Bu Teaching Hospital in Accra.
Dodi Hadi Abdullah
Consultant Neurosurgeon
Dr. Abdullah is part of the faculty team contributing to clinical care, mentorship, and neurosurgical training.
Mabel Banson
Consultant Neurosurgeon
Dr. Banson is Ghana's first female neurosurgeon and a consultant at Korle-Bu Teaching Hospital, where she also lectures part-time at the University of Ghana Medical School.
Patrick Bankah
Consultant Neurosurgeon
Dr. Bankah earned his medical degree from the University of Ghana and completed neurosurgical residency at Korle-Bu Teaching Hospital in Accra.
Dodi Hadi Abdullah
Consultant Neurosurgeon
Dr. Abdullah is part of the faculty team contributing to clinical care, mentorship, and neurosurgical training.
Residents
Emmanuel Kwadwo Osei Adjei
Junior Neurosurgery Resident
Dr. Adjei is a junior neurosurgery resident at the Neurosurgery Department of Korle-Bu Teaching Hospital.
Simon Sackitey
Junior Neurosurgery Resident
Dr. Sackitey is a junior neurosurgery resident at the Neurosurgery Department of Korle-Bu Teaching Hospital.
Irene Kweidjartey
Junior Neurosurgery Resident
Dr. Kweidjartey is a junior neurosurgery resident at the Neurosurgery Department of Korle-Bu Teaching Hospital.
Omane Okrah Acheampong
Senior Neurosurgery Resident
Dr. Okrah is a senior neurosurgery resident at the Neurosurgery Department of Korle-Bu Teaching Hospital.
Emmanuel Kwadwo Osei Adjei
Junior Neurosurgery Resident
Dr. Adjei is a junior neurosurgery resident at the Neurosurgery Department of Korle-Bu Teaching Hospital.
Simon Sackitey
Junior Neurosurgery Resident
Dr. Sackitey is a junior neurosurgery resident at the Neurosurgery Department of Korle-Bu Teaching Hospital.
Irene Kweidjartey
Junior Neurosurgery Resident
Dr. Kweidjartey is a junior neurosurgery resident at the Neurosurgery Department of Korle-Bu Teaching Hospital.
Omane Okrah Acheampong
Senior Neurosurgery Resident
Dr. Okrah is a senior neurosurgery resident at the Neurosurgery Department of Korle-Bu Teaching Hospital.
Connect
Connect With GNNet Research
Apply to join the team or reach out to learn more.
We welcome inquiries from students, trainees, researchers, and collaborators interested in contributing to GNNet Research.