Displaying publications 1 - 20 of 23 in total

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  1. The role of minimal residual disease assessment in ovarian tissue cryopreservation among oncofertility cases
    Ahmad MF, Elias MH
    Fertil Steril, 2024 Sep;122(3):441-442.
    PMID: 38906214 DOI: 10.1016/j.fertnstert.2024.06.012
    Matched MeSH terms: Neoplasm, Residual*
  2. Chondrosarcoma of the mandible: a case report
    Saini R, Abd Razak NH, Ab Rahman S, Samsudin AR
    J Can Dent Assoc, 2007 Mar;73(2):175-8.
    PMID: 17355810
    Chondrosarcomas are malignant tumours of cartilaginous origin. They range from a well-differentiated growth resembling a benign cartilage tumour to a high-grade malignancy with aggressive local behaviour and the potential to metastasize. Only 5% to 10% of chondrosarcomas are known to occur in the head and neck region. A case of chondrosarcoma of the anterior region of the mandible is presented, along with a review of the relevant literature.
    Matched MeSH terms: Neoplasm, Residual/radiotherapy
  3. Residual post-treatment rhabdomyosarcoma in bone marrow: A reminder of the continued importance of morphology
    Abobarin-Aofolaju O, Kaumeyer B, Kahwash SB
    Malays J Pathol, 2024 Aug;46(2):339-340.
    PMID: 39207013
    No abstract available.
    Matched MeSH terms: Neoplasm, Residual/pathology
  4. Real time quantitative PCR by the LightCycler system
    Chin, Yuet Meng, Arison Mohamad, Zubaidah Zakaria
    Buletin Persatuan Genetik Malaysia, 2002;8(1):0-0.
    MyJurnal
    For many years counting cells and identifying them under the microscope has been the conventional method to determine the number of abnormal and normal cells in cancers. During the last decade, studies have shown that the detection and quantification of residual tumor cells is important in predicting the clinical outcome of several types of hematological malignancies. Detection of
    minimal residual disease (MRD) is now becoming routinely implemented in treatment protocols and is increasingly used for guiding therapy and for evaluation of new treatment modalities (Raanani & Hashomer, 2004). A wide variety of techniques have been developed to detect residual malignant cells beyond the sensitivity of conventional approaches by cell morphology. One of these technology is by real time quantitative (RQ) polymerase chain reaction (PCR) using the Taqman and LightCycler systems.
    Matched MeSH terms: Neoplasm, Residual
  5. Fulltext Minimal residual disease-guided treatment deintensification for children with acute lymphoblastic leukemia: results from the Malaysia-Singapore acute lymphoblastic leukemia 2003 study
    Yeoh AE, Ariffin H, Chai EL, Kwok CS, Chan YH, Ponnudurai K, et al.
    J Clin Oncol, 2012 Jul 1;30(19):2384-92.
    PMID: 22614971 DOI: 10.1200/JCO.2011.40.5936
    PURPOSE: To improve treatment outcome for childhood acute lymphoblastic leukemia (ALL), we designed the Malaysia-Singapore ALL 2003 study with treatment stratification based on presenting clinical and genetic features and minimal residual disease (MRD) levels measured by polymerase chain reaction targeting a single antigen-receptor gene rearrangement.
    PATIENTS AND METHODS: Five hundred fifty-six patients received risk-adapted therapy with a modified Berlin-Frankfurt-Münster-ALL treatment. High-risk ALL was defined by MRD ≥ 1 × 10(-3) at week 12 and/or poor prednisolone response, BCR-ABL1, MLL gene rearrangements, hypodiploid less than 45 chromosomes, or induction failure; standard-risk ALL was defined by MRD ≤ 1 × 10(-4) at weeks 5 and 12 and no extramedullary involvement or high-risk features. Intermediate-risk ALL included all remaining patients.
    RESULTS: Patients who lacked high-risk presenting features (85.7%) received remission induction therapy with dexamethasone, vincristine, and asparaginase, without anthracyclines. Six-year event-free survival (EFS) was 80.6% ± 3.5%; overall survival was 88.4% ± 3.1%. Standard-risk patients (n = 172; 31%) received significantly deintensified subsequent therapy without compromising EFS (93.2% ± 4.1%). High-risk patients (n = 101; 18%) had the worst EFS (51.8% ± 10%); EFS was 83.6% ± 4.9% in intermediate-risk patients (n = 283; 51%).
    CONCLUSION: Our results demonstrate significant progress over previous trials in the region. Three-drug remission-induction therapy combined with MRD-based risk stratification to identify poor responders is an effective strategy for childhood ALL.
    Matched MeSH terms: Neoplasm, Residual/drug therapy; Neoplasm, Residual/genetics; Neoplasm, Residual/therapy*
  6. Pre-ablative diagnostic whole-body scan following total thyroidectomy for well-differentiated thyroid cancer: is it necessary?
    Teoh CM, Rohaizak M, Chan KY, Jasmi AY, Fuad I
    Asian J Surg, 2005 Apr;28(2):90-6.
    PMID: 15851360
    This study reviewed the incidence of positive pre-ablative diagnostic scan after total thyroidectomy and the efficacy of the current ablative dose. The predictive factors for outcome using a standard ablative dose and postoperative complications of total thyroidectomy were also examined.
    Matched MeSH terms: Neoplasm, Residual/epidemiology; Neoplasm, Residual/radionuclide imaging*; Neoplasm, Residual/radiotherapy*
  7. Fulltext Psychosis post craniotomy for craniopharyngioma
    Siti Rohana Abdul Hadi, Saminah Md Kassim, Suriati Mohamed Saini
    ASEAN Journal of Psychiatry, 2013;14(2):183-186.
    MyJurnal
    Objective: This case report highlights psychosis post craniopharyngioma surgery.

    Methods: We report a case of a young Malay lady who presented with psychotic symptoms after she underwent craniotomy for craniopharyngioma.

    Results: Presence of prominent hallucinations and delusions after removal of the tumour and the symptoms lasted more than a month. The psychosis subsided with antipsychotic.

    Conclusion: Psychosis post craniopharyngioma surgery is still possible whether possibly due to the residual tumour or as a result of treatment sequealae.
    Matched MeSH terms: Neoplasm, Residual
  8. Gold nanorod-assisted theranostic solution for nonvisible residual disease in bladder cancer
    Armanetti P, Locatelli I, Venegoni C, Alchera E, Campanella B, Pederzoli F, et al.
    Proc Natl Acad Sci U S A, 2024 Sep 10;121(37):e2411583121.
    PMID: 39236242 DOI: 10.1073/pnas.2411583121
    Residual nonvisible bladder cancer after proper treatment caused by technological and therapeutic limitations is responsible for tumor relapse and progression. This study aimed to demonstrate the feasibility of a solution for simultaneous detection and treatment of bladder cancer lesions smaller than one millimeter. The α5β1 integrin was identified as a specific marker in 81% of human high-grade nonmuscle invasive bladder cancers and used as a target for the delivery of targeted gold nanorods (GNRs). In a preclinical model of orthotopic bladder cancer expressing the α5β1 integrin, the photoacoustic imaging of targeted GNRs visualized lesions smaller than one millimeter, and their irradiation with continuous laser was used to induce GNR-assisted hyperthermia. Necrosis of the tumor mass, improved survival, and computational modeling were applied to demonstrate the efficacy and safety of this solution. Our study highlights the potential of the GNR-assisted theranostic strategy as a complementary solution in clinical practice to reduce the risk of nonvisible residual bladder cancer after current treatment. Further validation through clinical studies will support the findings of the present study.
    Matched MeSH terms: Neoplasm, Residual
  9. Fulltext Endonasal endoscopic transsphenoidal pituitary surgery for pituitary adenoma: a retrospective analysis of surgical outcome
    Sand MS, Gendeh BS, Husain S
    Med J Malaysia, 2011 Dec;66(5):443-6.
    PMID: 22390098 MyJurnal
    The purpose of this retrospective joint rhino-neurosurgical study from January 1998 until September 2009 is to document the demographic data, clinical presentations, radiological findings, approaches and incidence of residual tumour. Forty-seven patients with pituitary adenoma underwent trans-sphenoidal hypophysectomy of which 25 patients with complete medical and radiological data were included in the study. The medical and radiological data were analyzed. There were 12 males and 13 females with age ranging from 17 to 76 years old (mean 49.2). Fourteen of the patients were Chinese, eight Malays and three Indians. Twelve of the patients had functioning tumour of which five each presented with acromegaly and Cushing disease respectively and two with amenorrhoea. The rest of 13 patients had non functioning tumour presenting with visual disturbances. Sixteen of the patients had pituitary macroadenomas and the rest 9 microadenomas. Eighteen patients had undergone transcollumellar trans-sphenoidal hypophysectomy and the rest 7 patients had undergone transnasal transsphenoidal hypophysectomy. About 68.8% of pituitary macroadenomas had residual tumour, compared to only 22.2% of patient with pituitary microadenomas. Radiologically, about 45.5% of residual macroadenoma had suprasellar extension and the majority had spread to suprasellar cistern and carvenous sinus (54.5%). About 16.6% of patients had undergone post operative radiotherapy. In conclusion, this study showed that patient with pituitary macroadenomas had higher incidence of residual tumour compared to pituitary microadenomas.
    Matched MeSH terms: Neoplasm, Residual/surgery
  10. Fulltext Endolymphatic sac tumour
    Zulkarnaen M, Tang IP, Wong SL
    Malays J Pathol, 2012 Jun;34(1):53-5.
    PMID: 22870599 MyJurnal
    We present a case of a papillary tumour at the cerebellopontine angle in a 41-year-old man. He presented with left-sided facial and ear pain associated with dizziness, nystagmus and hearing loss. CT scan of the temporal bone showed a destructive tumour at the left cerebellopontine angle. Surgical excision was performed and the diagnosis of the endolymphatic sac tumour was made. Endolymphatic tumour is a low grade adenocarcinoma that originates from the endolymphatic sac. The definitive diagnosis requires a combination of clinical features, radiological finding and pathological correlation.
    Matched MeSH terms: Neoplasm, Residual/diagnosis; Neoplasm, Residual/radiotherapy
  11. Manual work and lung cancer risk in high-risk populations
    Fauziah Nordin, Lewis, SJ., O’Donnell, PNS., Crosbie, PAJ., Richard Booton, Agius, RM., et al.
    Journal of Occupational Safety and Health, 2014;11(1):5-14.
    MyJurnal
    Manual work is associated with increased lung cancer risk possibly because of increased exposure to occupational and other carcinogens, reduced use of health care services and/or a less healthy lifestyle. The aim of this study was to examine whether the association between manual work and lung cancer risk has changed over time. Three separate retrospective studies were carried out over a 10-year period (1996-1997, 1998-2000 and 2003-2005) in patients attending a bronchoscopy clinic to investigate lung cancer risk in an area of Manchester characterised by high deprivation and unemployment. Cases (n=321) were patients newly diagnosed with a tumour of the lung, trachea or bronchus and controls (n=542) were patients free of tumours at the time of, and prior to, examination. Patients were interviewed using the same structured questionnaire for associations between risk factors and lung cancer examined. The study population in all three studies was similar with little difference in smoking history. In each study smoking was associated with lung cancer risk. Lung cancer risk was higher in manual workers (compared to managers and other professionals) in the first (OR 2.50, 95% CI 1.20 – 5.05) and second study (OR 2.73, 95% CI 0.97 – 7.70) but not the third (OR 0.97, 95% CI 0.58 – 1.61). However, the summary odds ratio (meta-OR) for lung cancer in manual worker was 1.81 (95% 1.75 – 1.87) after controlling for sex, age and smoking. This study suggested that even after taking into account known occupational and environmental causes of cancer, there was a residual cancer risk associated with manual work, high risk working populations of lung cancer. However this appears to have attenuated recently for as yet unknown reasons.
    Matched MeSH terms: Neoplasm, Residual
  12. Fulltext Renal angiomyolipoma during pregnancy: what can we offer?
    Lim, Pei Shan, Ng, BK, Rozman, Z, Nirmala K, Shuhaila A, Omar MH
    Journal of Surgical Academia, 2015;5(2):62-65.
    MyJurnal
    Renal angiomyolipoma is a rare disease seen during pregnancy. Rupture of renal angiomyolipoma could be catastrophic and might result in maternal and even perinatal mortality. Management includes conservative vs surgical approach. A 29-year-old woman Para 2 with history of bleeding renal angiomyolipoma in her first pregnancy at 11 weeks treated with selective arterial embolisation. The pregnancy was terminated. Even though having small residual tumour, her subsequent pregnancy progressed well with conservative management. Intervention is advisable in the presence of large or symptomatic renal angiomyolipoma prior to pregnancy in order to minimise potential life-threatening haemorrhage during pregnancy. For those with small tumour of less than 4cm, perhaps conservative approaches i.e. frequent follow-up and close monitoring would assist in early identification of any rupture or bleeding.
    Matched MeSH terms: Neoplasm, Residual
  13. Fulltext Mesenchymal chondrosarcoma of maxilla in paediatric patient
    Choo CS, Wan Abdul Rahman WF, Jaafar H, Ramli RR
    BMJ Case Rep, 2019 Mar 09;12(3).
    PMID: 30852518 DOI: 10.1136/bcr-2018-228969
    Chondrosarcoma (CS) is a malignant tumour of long and flat bone characterised by the formation of cartilage. Mesenchymal chondrosarcoma (MCS) is a rare subtype of CS that is more aggressive and may lead to erroneous diagnosis in a limited biopsy. The diagnosis is mainly based on the histopathological appearance of biphasic pattern of undifferentiated small round cells separated by islands of well-differentiated hyaline cartilage. We report a case of 13-year-old boy who initially presented with gum swelling and the biopsy result suggested a benign fibrous lesion. Following an extensive lesion shown in radiologic findings, the tumour excision was done and finally was diagnosed as an MCS of the maxilla. The patient was given postoperative chemotherapy (EURO-EWING 99 regimen), and now on regular follow-up for monitoring of local recurrence or tumour metastasis.
    Matched MeSH terms: Neoplasm, Residual/surgery*
  14. Identifying IGH disease clones for MRD monitoring in childhood B-cell acute lymphoblastic leukemia using RNA-Seq
    Li Z, Jiang N, Lim EH, Chin WHN, Lu Y, Chiew KH, et al.
    Leukemia, 2020 09;34(9):2418-2429.
    PMID: 32099036 DOI: 10.1038/s41375-020-0774-4
    Identifying patient-specific clonal IGH/TCR junctional sequences is critical for minimal residual disease (MRD) monitoring. Conventionally these junctional sequences are identified using laborious Sanger sequencing of excised heteroduplex bands. We found that the IGH is highly expressed in our diagnostic B-cell acute lymphoblastic leukemia (B-ALL) samples using RNA-Seq. Therefore, we used RNA-Seq to identify IGH disease clone sequences in 258 childhood B-ALL samples for MRD monitoring. The amount of background IGH rearrangements uncovered by RNA-Seq followed the Zipf's law with IGH disease clones easily identified as outliers. Four hundred and ninety-seven IGH disease clones (median 2, range 0-7 clones/patient) are identified in 90.3% of patients. High hyperdiploid patients have the most IGH disease clones (median 3) while DUX4 subtype has the least (median 1) due to the rearrangements involving the IGH locus. In all, 90.8% of IGH disease clones found by Sanger sequencing are also identified by RNA-Seq. In addition, RNA-Seq identified 43% more IGH disease clones. In 69 patients lacking sensitive IGH targets, targeted NGS IGH MRD showed high correlation (R = 0.93; P = 1.3 × 10-14), better relapse prediction than conventional RQ-PCR MRD using non-IGH targets. In conclusion, RNA-Seq can identify patient-specific clonal IGH junctional sequences for MRD monitoring, adding to its usefulness for molecular diagnosis in childhood B-ALL.
    Matched MeSH terms: Neoplasm, Residual/diagnosis*
  15. Specimen shrinkage and its influence on margin assessment in breast cancer
    Yeap BH, Muniandy S, Lee SK, Sabaratnam S, Singh M
    Asian J Surg, 2007 Jul;30(3):183-7.
    PMID: 17638637
    The determination of tumour-free margin in breast cancer is crucial in deciding subsequent patient management. To exemplify the phenomenon of margin contraction during specimen preparation for histopathological analysis, we quantified the shrinkage of breast specimens as a result of formalin fixation.
    Matched MeSH terms: Neoplasm, Residual
  16. Effective Response Metric: a novel tool to predict relapse in childhood acute lymphoblastic leukaemia using time-series gene expression profiling
    Yeoh AE, Li Z, Dong D, Lu Y, Jiang N, Trka J, et al.
    Br J Haematol, 2018 Jun;181(5):653-663.
    PMID: 29808917 DOI: 10.1111/bjh.15252
    Accurate risk assignment in childhood acute lymphoblastic leukaemia is essential to avoid under- or over-treatment. We hypothesized that time-series gene expression profiles (GEPs) of bone marrow samples during remission-induction therapy can measure the response and be used for relapse prediction. We computed the time-series changes from diagnosis to Day 8 of remission-induction, termed Effective Response Metric (ERM-D8) and tested its ability to predict relapse against contemporary risk assignment methods, including National Cancer Institutes (NCI) criteria, genetics and minimal residual disease (MRD). ERM-D8 was trained on a set of 131 patients and validated on an independent set of 79 patients. In the independent blinded test set, unfavourable ERM-D8 patients had >3-fold increased risk of relapse compared to favourable ERM-D8 (5-year cumulative incidence of relapse 38·1% vs. 10·6%; P = 2·5 × 10-3 ). ERM-D8 remained predictive of relapse [P = 0·05; Hazard ratio 4·09, 95% confidence interval (CI) 1·03-16·23] after adjusting for NCI criteria, genetics, Day 8 peripheral response and Day 33 MRD. ERM-D8 improved risk stratification in favourable genetics subgroups (P = 0·01) and Day 33 MRD positive patients (P = 1·7 × 10-3 ). We conclude that our novel metric - ERM-D8 - based on time-series GEP after 8 days of remission-induction therapy can independently predict relapse even after adjusting for NCI risk, genetics, Day 8 peripheral blood response and MRD.
    Matched MeSH terms: Neoplasm, Residual
  17. Intracellular vincristine levels in lymphoblasts affect treatment outcome in childhood B-lymphoblastic leukaemia: Ma-Spore ALL 2010 study
    Jiang N, Wang L, Xiang X, Li Z, Chiew EKH, Koo YM, et al.
    Br J Clin Pharmacol, 2021 Apr;87(4):1990-1999.
    PMID: 33037681 DOI: 10.1111/bcp.14596
    AIMS: Vincristine (VCR) is a key drug in the successful multidrug chemotherapy for childhood acute lymphoblastic leukaemia (ALL). However, it remains unclear how VCR pharmacokinetics affects its antileukaemic efficacy. The objective of this study is to explore the VCR pharmacokinetic parameters and intracellular VCR levels in an up-front window of Ma-Spore ALL 2010 (MS2010) study.

    METHODS: We randomised 429 children with newly diagnosed ALL to 15-minute vs 3-hour infusion for the first dose of VCR to study if prolonging the first dose of VCR infusion improved response. In a subgroup of 115 B-ALL and 20 T-ALL patients, we performed VCR plasma (n = 135 patients) and intracellular (n = 66 patients) pharmacokinetic studies. The correlations between pharmacokinetic parameters and intracellular VCR levels with early treatment response, final outcome and ABCB1 genotypes were analysed.

    RESULTS: There was no significant difference between 15-minute and 3-hour infusion schedules in median Day 8 peripheral or bone marrow blast response. Plasma VCR pharmacokinetic parameters did not predict outcome. However, in B-ALL, Day 33 minimal residual disease (MRD) negative patients and patients in continuous complete remission had significantly higher median intracellular VCR24h levels (P = .03 and P = .04, respectively). The median VCR24h intracellular levels were similar among the common genetic subtypes of ALL (P = .4). Patients homozygous for wild-type ABCB1 2677GG had significantly higher median intracellular VCR24h (P = .04) than 2677TT.

    CONCLUSION: We showed that in childhood B-ALL, the intracellular VCR24h levels in lymphoblasts affected treatment outcomes. The intracellular VCR24h level was independent of leukaemia subtype but dependent on host ABCB1 G2677T genotype.

    Matched MeSH terms: Neoplasm, Residual
  18. Fulltext Minimal residual disease status in childhood acute lymphoblastic leukaemias by flow cytometry and their clinical and haematological features
    Azma, R.Z., Zarina, A.L., Hamidah, A., Cheong, SK, Jamal, R., Hamidah, N.H.
    Medicine & Health, 2010;5(1):22-33.
    MyJurnal
    Residual disease in patients with acute leukaemia indicates unfavorable prognosis. The evaluation of remission using flow cytometry allows a better estimation of minimal residual disease (MRD) after induction chemotherapy in childhood acute lymphoblastic leukaemia (ALL) cases. Patients in morphological marrow remission with presence of blast cells of less than 5%, may still have up to 1010 leukaemic cells. However with flow cytometric analysis, lower levels of the residual leukaemic cells (1 in 104 cells) can be detected and it can be used as a tool to predict relapse. This study compared the presenting clinical and haematological features of children with ALL and their residual disease status determined by flow cytometry. Analysis of their MRD status following remission-induction chemotherapy were done at day-28, week-12 and week-20. The cases were also followed up to five years, to determine their survival status. Their residual disease status by flow cytometric immunophenotyping was also compared with their bone marrow findings morphologically. Thirty-eight cases of precursor B-ALL in pediatric patients from UKM Medical Centre (UKMMC) were analyzed. There was no significant correlation between demographic, clinical and haematological features with MRD status at day-28. However, there was a significant correlation between MRD status by flow cytometry and by morphological marrow examination at week-12. Three cases showed persistent MRD findings until week-20 where two of the cases relapsed and died subsequently. Twenty four patients were still alive after five years of follow up.
    Matched MeSH terms: Neoplasm, Residual
  19. Fulltext Distinct clinical characteristics of DUX4- and PAX5-altered childhood B-lymphoblastic leukemia
    Li Z, Lee SHR, Chin WHN, Lu Y, Jiang N, Lim EH, et al.
    Blood Adv, 2021 12 14;5(23):5226-5238.
    PMID: 34547766 DOI: 10.1182/bloodadvances.2021004895
    Among the recently described subtypes in childhood B-lymphoblastic leukemia (B-ALL) were DUX4- and PAX5-altered (PAX5alt). By using whole transcriptome RNA sequencing in 377 children with B-ALL from the Malaysia-Singapore ALL 2003 (MS2003) and Malaysia-Singapore ALL 2010 (MS2010) studies, we found that, after hyperdiploid and ETV6-RUNX1, the third and fourth most common subtypes were DUX4 (n = 51; 14%) and PAX5alt (n = 36; 10%). DUX4 also formed the largest genetic subtype among patients with poor day-33 minimal residual disease (MRD; n = 12 of 44). But despite the poor MRD, outcome of DUX4 B-ALL was excellent (5-year cumulative risk of relapse [CIR], 8.9%; 95% confidence interval [CI], 2.8%-19.5% and 5-year overall survival, 97.8%; 95% CI, 85.3%-99.7%). In MS2003, 21% of patients with DUX4 B-ALL had poor peripheral blood response to prednisolone at day 8, higher than other subtypes (8%; P = .03). In MS2010, with vincristine at day 1, no day-8 poor peripheral blood response was observed in the DUX4 subtype (P = .03). The PAX5alt group had an intermediate risk of relapse (5-year CIR, 18.1%) but when IKZF1 was not deleted, outcome was excellent with no relapse among 23 patients. Compared with MS2003, outcome of PAX5alt B-ALL with IKZF1 codeletion was improved by treatment intensification in MS2010 (5-year CIR, 80.0% vs 0%; P = .05). In conclusion, despite its poor initial response, DUX4 B-ALL had a favorable overall outcome, and the prognosis of PAX5alt was strongly dependent on IKZF1 codeletion.
    Matched MeSH terms: Neoplasm, Residual
  20. Prediction of Histological Grade and Completeness of Resection of Intracranial Meningiomas: Role of Peritumoural Brain Edema
    Palaniandy K, Haspani MSM, Zain NRM
    Malays J Med Sci, 2017 May;24(3):33-43.
    PMID: 28814931 MyJurnal DOI: 10.21315/mjms2017.24.3.5
    BACKGROUND: Meningioma is the commonest primary intracranial tumour in adults. Excision is curative for low grade meningioma, whereas high-grade meningioma requires adjuvant therapy following surgery. Several studies have examined the association between peritumoural brain Edema - a common feature in meningioma - and histological grading with mixed results. The present study attempted to elucidate this association and if peritumoural brain Edema affects the intra-operative judgement of surgeons on the completeness of resection.

    METHODS: An observational study was conducted among those who underwent surgery for meningioma. Eighteen subjects were recruited each for low- and high-grades, respectively. Magnetic resonance imaging (MRI) prior to surgery was employed for interpreting the Edema index and MRI after surgery was used to determine residual tumour.

    RESULTS: Median age was 50 years, male to female ratio was 1:3.5, 69.4% had peritumoural brain Edema and 75% had reported gross resection. Among the reported gross total resection cases, 40.7% had residual tumour. Analysis showed statistically significant association between peritumoural brain Edema (P = 0.027) and tumour volume (P = 0.001) with high-grade meningioma, however multivariate analysis did not present any association. No association was noted between judgement of tumour resection by surgeons and peritumoural brain Edema.

    CONCLUSION: Odds ratio for peritumoural brain Edema remained high and the tumour volume exhibited marginal P-value marginal significance for prediction of high grade meningioma. These two factors may still contribute to the tumour grade and should be included in further studies on the prognosis of meningioma.

    Matched MeSH terms: Neoplasm, Residual
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