1
|
Duffy O, Sharapi M, Drew T, Moran C, O’Neill T. Anaesthetic management of a pregnant patient undergoing meningioma resection: A case report. SAGE Open Med Case Rep 2024; 12:2050313X241257193. [PMID: 38864029 PMCID: PMC11165947 DOI: 10.1177/2050313x241257193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 05/03/2024] [Indexed: 06/13/2024] Open
Abstract
The management of intracranial malignancies in pregnancy poses unique challenges to the perioperative team. We describe the successful surgical management of a meningioma in a 28-year-old previously healthy patient, in her third trimester of pregnancy, who first presented with a generalised seizure. Without clear guidelines on the management of intracranial malignancies in pregnancy, a multidisciplinary approach was essential in providing a management plan for the patient's seizures and on the timing of her surgical intervention. Hormone-mediated tumour growth was a significant factor in opting for urgent surgical intervention and we discuss the current evidence linking hormones to tumour growth in pregnancy.
Collapse
Affiliation(s)
- Oscar Duffy
- Anaesthesiology Specialist Registrar Beaumont Hospital, Dublin, Ireland
| | - Mahfouz Sharapi
- Anaesthesiology Registrar Beaumont Hospital, Dublin, Ireland
| | - Thomas Drew
- Consultant Anaesthesiologist, The Rotunda Hospital, Dublin, Ireland
- RCSI Department of Anaesthesia and Critical Care, Beaumont Hospital, Dublin, Ireland
| | - Catherine Moran
- RCSI Department of Anaesthesia and Critical Care, Beaumont Hospital, Dublin, Ireland
| | - Tanya O’Neill
- RCSI Department of Anaesthesia and Critical Care, Beaumont Hospital, Dublin, Ireland
| |
Collapse
|
2
|
Roland N, Neumann A, Hoisnard L, Duranteau L, Froelich S, Zureik M, Weill A. Use of progestogens and the risk of intracranial meningioma: national case-control study. BMJ 2024; 384:e078078. [PMID: 38537944 PMCID: PMC10966896 DOI: 10.1136/bmj-2023-078078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/22/2024] [Indexed: 04/06/2024]
Abstract
OBJECTIVE To assess the risk of intracranial meningioma associated with the use of selected progestogens. DESIGN National case-control study. SETTING French National Health Data System (ie, Système National des Données de Santé). PARTICIPANTS Of 108 366 women overall, 18 061 women living in France who had intracranial surgery for meningioma between 1 January 2009 and 31 December 2018 (restricted inclusion periods for intrauterine systems) were deemed to be in the case group. Each case was matched to five controls for year of birth and area of residence (90 305 controls). MAIN OUTCOME MEASURES Selected progestogens were used: progesterone, hydroxyprogesterone, dydrogesterone, medrogestone, medroxyprogesterone acetate, promegestone, dienogest, and intrauterine levonorgestrel. For each progestogen, use was defined by at least one dispensation within the year before the index date (within three years for 13.5 mg levonorgestrel intrauterine systems and five years for 52 mg). Conditional logistic regression was used to calculate odds ratio for each progestogen meningioma association. RESULTS Mean age was 57.6 years (standard deviation 12.8). Analyses showed excess risk of meningioma with use of medrogestone (42 exposed cases/18 061 cases (0.2%) v 79 exposed controls/90 305 controls (0.1%), odds ratio 3.49 (95% confidence interval 2.38 to 5.10)), medroxyprogesterone acetate (injectable, 9/18 061 (0.05%) v 11/90 305 (0.01%), 5.55 (2.27 to 13.56)), and promegestone (83/18 061 (0.5%) v 225/90 305 (0.2 %), 2.39 (1.85 to 3.09)). This excess risk was driven by prolonged use (≥one year). Results showed no excess risk of intracranial meningioma for progesterone, dydrogesterone, or levonorgestrel intrauterine systems. No conclusions could be drawn concerning dienogest or hydroxyprogesterone because of the small number of individuals who received these drugs. A highly increased risk of meningioma was observed for cyproterone acetate (891/18 061 (4.9%) v 256/90 305 (0.3%), odds ratio 19.21 (95% confidence interval 16.61 to 22.22)), nomegestrol acetate (925/18 061 (5.1%) v 1121/90 305 (1.2%), 4.93 (4.50 to 5.41)), and chlormadinone acetate (628/18 061 (3.5%) v 946/90 305 (1.0%), 3.87 (3.48 to 4.30)), which were used as positive controls for use. CONCLUSIONS Prolonged use of medrogestone, medroxyprogesterone acetate, and promegestone was found to increase the risk of intracranial meningioma. The increased risk associated with the use of injectable medroxyprogesterone acetate, a widely used contraceptive, and the safety of levonorgestrel intrauterine systems are important new findings.
Collapse
Affiliation(s)
- Noémie Roland
- EPI-PHARE Scientific Interest Group, French National Agency for Medicines and Health Products Safety, French National Health Insurance, Saint-Denis, France
| | - Anke Neumann
- EPI-PHARE Scientific Interest Group, French National Agency for Medicines and Health Products Safety, French National Health Insurance, Saint-Denis, France
| | - Léa Hoisnard
- EpiDermE Epidemiology in Dermatology and Evaluation of Therapeutics, EA7379, Paris Est Créteil University UPEC, Créteil, France
| | - Lise Duranteau
- Department of Medical Gynaecology, Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris, Paris Saclay University, 94270, Le Kremlin-Bicêtre, France
| | - Sébastien Froelich
- Department of Neurosurgery, Lariboisière University Hospital, Paris-Cité University, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Mahmoud Zureik
- EPI-PHARE Scientific Interest Group, French National Agency for Medicines and Health Products Safety, French National Health Insurance, Saint-Denis, France
- University Versailles St-Quentin-en-Yvelines, Montigny le Bretonneux, France
| | - Alain Weill
- EPI-PHARE Scientific Interest Group, French National Agency for Medicines and Health Products Safety, French National Health Insurance, Saint-Denis, France
| |
Collapse
|
3
|
El-Hajj VG, Ghaith AK, Nguyen RH, Al-Saidi NN, Hoang H, Graepel SP, Elmi-Terander A, Lehrer EJ, Brown P, Bydon M. Analysis of demographics and the impact of adjuvant radiotherapy on a nationwide cohort of patients with high-grade spinal meningiomas. Neurooncol Adv 2024; 6:vdae018. [PMID: 38410135 PMCID: PMC10896623 DOI: 10.1093/noajnl/vdae018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024] Open
Abstract
Background Although typically benign, 5% of spinal meningiomas (SMs) present with higher-grade features (World Health Organization grades 2 and 3). High-grade SMs are poorly studied and the role of adjuvant radiotherapy in their management remains controversial. We hence aimed to study the demographic characteristics of this rare tumor and investigate the outcomes associated with the use of surgery with adjuvant therapy in contrast to surgery alone. Methods The National Cancer Database was queried for patients with SMs from 2004 to 2017. Basic statistics were used to identify differences between low- and high-grade tumors in terms of baseline characteristics. Surgery with and without adjuvant radiotherapy were compared after (1:1) propensity-score matching. Kaplan-Meier survival analysis was conducted to study overall survival. All analyses were performed on R. Results A total of 13 184 patients diagnosed with SMs were included, of whom only 5% (n = 669) had high-grade SMs. Patients with high-grade SMs presented at a younger median age (57 years [IQR: 44-68] versus 65 years [54-75]; P < .001) and were more commonly males (33% vs 20%; P < .001). After propensity-score matching, survival analysis revealed similar overall survival outcomes in patients with high-grade SM undergoing both surgery and radiotherapy as compared to those only receiving surgery (P = .19). Conclusions This study reveals major demographic differences between high- and low-grade SMs. There were no benefits associated with the use of adjuvant radiotherapy. However, due to confounding, overall survival outcomes between patients receiving surgery alone and those receiving surgery with adjuvant radiotherapy are not causally interpretable.
Collapse
Affiliation(s)
- Victor Gabriel El-Hajj
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA
- Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Abdul Karim Ghaith
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA
- Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Ryan H Nguyen
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA
- Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Neil Nazar Al-Saidi
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA
- Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Harry Hoang
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA
| | - Stephen P Graepel
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA
- Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Adrian Elmi-Terander
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
- Capio Spine Center Stockholm, Löwenströmska Hospital, Upplands-Väsby, Sweden
| | - Eric J Lehrer
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | - Paul Brown
- Department of Radiation Oncology, Mayo Clinic, Rochester, Minnesota, USA
| | - Mohamad Bydon
- Mayo Clinic Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA
- Department of Neurological Surgery, Mayo Clinic, Rochester, Minnesota, USA
| |
Collapse
|
4
|
Bailey DS, John K, Daggubati LC, Zacharia BE. Regression of Multiple Intracranial Meningiomas With Cessation of Progesterone Agonist Therapy: A Case Report. Cureus 2024; 16:e52479. [PMID: 38371126 PMCID: PMC10873817 DOI: 10.7759/cureus.52479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2024] [Indexed: 02/20/2024] Open
Abstract
In this case report, we discuss a patient who experienced spontaneous regression of multiple intracranial meningiomas that were treated conservatively for 5 years after cessation of megestrol acetate, an exogenous progestin. In addition, we discuss the previous literature describing the relationship between exogenous progesterone medications and meningioma growth. This case, along with others reported, implies that cessation of progesterone therapy, when feasible, may alter the natural history of meningioma growth and thus impact treatment decisions.
Collapse
Affiliation(s)
- David S Bailey
- Department of Neurological Surgery, Penn State College of Medicine, Hershey, USA
| | - Kevin John
- Department of Radiology, Stony Brook Medicine, Stony Brook, USA
| | - Lekhaj C Daggubati
- Department of Neurological Surgery, George Washington University Hospital, Washington, USA
| | - Brad E Zacharia
- Department of Neurological Surgery, Penn State College of Medicine, Hershey, USA
| |
Collapse
|
5
|
Plu-Bureau G, Robin G. [Preliminary recommendations for the use of progestins and progesterone. A first for a health agency: Is the precautionary principle going to replace evidence-based medicine?]. GYNECOLOGIE, OBSTETRIQUE, FERTILITE & SENOLOGIE 2023; 51:435-436. [PMID: 37406811 DOI: 10.1016/j.gofs.2023.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Indexed: 07/07/2023]
|
6
|
Current Knowledge on Spinal Meningiomas Epidemiology, Tumor Characteristics and Non-Surgical Treatment Options: A Systematic Review and Pooled Analysis (Part 1). Cancers (Basel) 2022; 14:cancers14246251. [PMID: 36551736 PMCID: PMC9776907 DOI: 10.3390/cancers14246251] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/12/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Spinal meningiomas are the most common primary intradural spinal tumors. Although they are a separate entity, a large portion of the knowledge on spinal meningiomas is based on findings in intracranial meningiomas. Therefore, a comprehensive review of all the literature on spinal meningiomas was performed. METHODS Electronic databases were searched for all studies on spinal meningiomas dating from 2000 and onward. Findings of matching studies were pooled to strengthen the current body of evidence. RESULTS A total of 104 studies were included. The majority of patients were female (72.83%), elderly (peak decade: seventh), and had a world health organization (WHO) grade 1 tumor (95.7%). Interestingly, the minority of pediatric patients had a male overrepresentation (62.0% vs. 27.17%) and higher-grade tumors (33.3% vs. 4.3%). Sensory and motor dysfunction and pain were the most common presenting symptoms. Despite a handful of studies reporting promising findings associated with the use of non-surgical treatment options, the literature still suffers from contradictory results and limitations of study designs. CONCLUSIONS Elderly females with WHO grade 1 tumors constituted the stereotypical type of patient. Compared to surgical alternatives, the evidence for the use of non-surgical treatments is still relatively weak.
Collapse
|
7
|
Hallan DR, Bhanja D, Sciscent BY, Ryan C, Gigliotti MJ, Daggubati LC, Caldwell C, Rizk E. Pregnancy and Childbirth in Women With Meningioma. Cureus 2022; 14:e27528. [PMID: 36060367 PMCID: PMC9424832 DOI: 10.7759/cureus.27528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 07/30/2022] [Indexed: 11/23/2022] Open
Abstract
Background Ten percent of women of childbearing age have histologically confirmed meningioma. To date, little is known regarding pregnancy-related outcomes for women with meningioma. Methods We used a de-identified database network (TriNetX's Research Network, https://trinetx.com/) to gather information on pregnant patients with meningioma (cohort 1) versus pregnant patients without meningioma (cohort 2). The primary outcome of interest included the impact of meningioma on mortality at one year. Secondary endpoints included ectopic or molar pregnancy, cesarean section, abortion, preterm labor, depression, pre-eclampsia/eclampsia, and craniotomy. Odds ratios (OR) with 95% confidence intervals (CI) were used to measure levels of association between each cohort and the outcomes of interest. Results A total of 1,739 patients were identified in each cohort following propensity-score matching. Mortality was seen in 23 patients (1.32%) in cohort 1 versus 26 patients (1.41%) in cohort 2 (OR 0.88, 95% CI {0.50, 1.55}, p=0.66). Ectopic/ molar pregnancy was seen in 31 (1.78%) versus 42 (2.42%) patients in cohorts 1 and 2, respectively (OR 0.73, 95% CI {0.046,1.17}, p=0.19). Cesarean section was seen in 126 (7.25%) versus 164 (9.43%) patients, respectively (OR 0.75, 95% CI {0.59,0.97}, p=0.020). Abortion was seen in 128 (7.36%) versus 183 (10.52%) patients, respectively (OR 0.68, 95% CI {0.53,0.86}, p=0.0011). Preterm labor was seen in 75 (4.31%) versus 119 (6.84%) patients, respectively (OR 0.61, 95% CI {0.46,0.83}, p=0.0012). Depression was seen in 258 (14.84%) versus 270 (15.53%) patients, respectively (OR 0.95, 95% CI {0.79,1.14}, p=0.57). Pre-eclampsia/eclampsia was seen in 3.11% versus 5.52% patients, respectively (OR 0.55, 95% CI {0.39,0.77}, p=0.0005). Craniotomy was seen in 74 (4.26%) versus 0 (0%) patients in cohort 1 and cohort 2, respectively. Conclusion Patients with meningioma were not at higher risk for pregnancy complications, including ectopic/molar pregnancy, cesarean section, abortion, preterm labor, pre-eclampsia/eclampsia, and mortality, compared to their non-meningioma counterparts. Still, coordinated care by neurosurgical and obstetrical providers may benefit women with meningiomas who are planning for pregnancy or are currently pregnant.
Collapse
Affiliation(s)
- David R Hallan
- Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
| | - Debarati Bhanja
- Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
| | - Bao Y Sciscent
- Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
| | - Casey Ryan
- Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
| | - Michael J Gigliotti
- Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
| | - Lekhaj C Daggubati
- Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
| | - Catherine Caldwell
- Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
| | - Elias Rizk
- Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, USA
| |
Collapse
|
8
|
Foramen magnum meningioma presented as cervical myelopathy in a pregnant COVID-19 patient: A case report. Ann Med Surg (Lond) 2022; 77:103647. [PMID: 35638060 PMCID: PMC9142680 DOI: 10.1016/j.amsu.2022.103647] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 04/15/2022] [Accepted: 04/15/2022] [Indexed: 11/21/2022] Open
Abstract
Introduction Case presentation Clinical discussion Conclusion COVID-19 causes hyperinflammatory state which could lead to tumor progression. There is increase of cytokine expression in meningioma as well as in Covid-19 infection. Further investigation needed to find if there is molecular link between Covid-19 and meningioma disease course.
Collapse
|
9
|
Hosainey SAM, Bouget D, Reinertsen I, Sagberg LM, Torp SH, Jakola AS, Solheim O. Are there predilection sites for intracranial meningioma? A population-based atlas. Neurosurg Rev 2021; 45:1543-1552. [PMID: 34674099 PMCID: PMC8976805 DOI: 10.1007/s10143-021-01652-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 08/06/2021] [Accepted: 09/20/2021] [Indexed: 12/21/2022]
Abstract
Meningioma is the most common benign intracranial tumor and is believed to arise from arachnoid cap cells of arachnoid granulations. We sought to develop a population-based atlas from pre-treatment MRIs to explore the distribution of intracranial meningiomas and to explore risk factors for development of intracranial meningiomas in different locations. All adults (≥ 18 years old) diagnosed with intracranial meningiomas and referred to the department of neurosurgery from a defined catchment region between 2006 and 2015 were eligible for inclusion. Pre-treatment T1 contrast-enhanced MRI-weighted brain scans were used for semi-automated tumor segmentation to develop the meningioma atlas. Patient variables used in the statistical analyses included age, gender, tumor locations, WHO grade and tumor volume. A total of 602 patients with intracranial meningiomas were identified for the development of the brain tumor atlas from a wide and defined catchment region. The spatial distribution of meningioma within the brain is not uniform, and there were more tumors in the frontal region, especially parasagittally, along the anterior part of the falx, and on the skull base of the frontal and middle cranial fossa. More than 2/3 meningioma patients were females (p < 0.001) who also were more likely to have multiple meningiomas (p < 0.01), while men more often have supratentorial meningiomas (p < 0.01). Tumor location was not associated with age or WHO grade. The distribution of meningioma exhibits an anterior to posterior gradient in the brain. Distribution of meningiomas in the general population is not dependent on histopathological WHO grade, but may be gender-related.
Collapse
Affiliation(s)
| | - David Bouget
- Department of Health Research, SINTEF Technology and Society, Trondheim, Norway.,Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
| | - Ingerid Reinertsen
- Department of Health Research, SINTEF Technology and Society, Trondheim, Norway.,Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
| | - Lisa Millgård Sagberg
- Department of Neurosurgery, St. Olavs Hospital, Trondheim, Norway.,Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Trondheim, Norway
| | - Sverre Helge Torp
- Department of Laboratory Medicine, Children and Women's Health, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway.,Department of Pathology and Medical Genetics, St. Olavs Hospital, Trondheim, Norway
| | - Asgeir Store Jakola
- Department of Neurosurgery, Sahlgrenska University Hospital, Gothenburg, Sweden.,Institute of Neuroscience and Physiology, Department of Clinical Neuroscience, University of Gothenburg, Sahlgrenska Academy, Gothenburg, Sweden
| | - Ole Solheim
- Department of Neurosurgery, St. Olavs Hospital, Trondheim, Norway.,Department of Neuromedicine and Movement Science, Norwegian University of Science and Technology, Trondheim, Norway
| |
Collapse
|
10
|
Mardani P, Safarian A, Ashari A, Pourjafar S, Anbardar MH, Azarpira N, Vafabin M, Yousefi S. Low-grade intracranial meningioma with bilateral pulmonary metastases incidentally detected postpartum: a case report and review of the literature. J Med Case Rep 2021; 15:509. [PMID: 34645501 PMCID: PMC8515739 DOI: 10.1186/s13256-021-03093-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Accepted: 09/02/2021] [Indexed: 12/03/2022] Open
Abstract
Introduction Meningiomas are the most commonly encountered intracranial tumors, usually showing indolent behavior. Extra-axial spreading and distant metastases are seldom detected in these tumors, and lung metastasis from a low-grade meningioma is a rare event. Case presentation This case report aimed to present the clinical, imaging, and pathological features of a 37-year-old Caucasian pregnant woman with bilateral lung metastases incidentally detected during preoperative workup ahead of surgery for a primary intracranial meningioma. The possible metastatic routes and risk factors of dissemination to the pulmonary circulation were discussed as well. Conclusion Metastasis must be considered in patients with intracranial meningiomas accompanied by venous sinus invasion and extension through the calvarium. Thorough paraclinical investigations are suggested in such cases.
Collapse
Affiliation(s)
- Parviz Mardani
- Thoracic and Vascular Surgery Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Arash Safarian
- Department of Neurosurgery, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Anita Ashari
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sarina Pourjafar
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Negar Azarpira
- Transplant Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Masoud Vafabin
- General Surgery Resident, Shiraz University of Medical Sciences, Shiraz, Iran
| | | |
Collapse
|