Publications by authors named "Muhamad Thohar Arifin"

Background: The current World Health Organization (WHO) 2021 classification of human glioma is based on key molecular biomarkers to define neoplastic entities. This review further delineates mutant IDH (isocitrate dehydrogenase) from wild-type IDH disease, a necessity given the large survival gap between mutant IDH and wild-type IDH tumors. In Indonesia, there are currently few reports on the distribution and significance of these mutations.

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Background: Posttraumatic epilepsy (PTE) is a debilitating sequelae following traumatic brain injury (TBI). Risk of developing PTE is higher in the first 6 months following head trauma and remains increased for 10 years. Many cases of PTE developed into drug-resistant epilepsy in which need surgical treatment.

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To share the experiences of organizing the epilepsy surgery program in Indonesia. This study was divided into two periods based on the presurgical evaluation method: the first period (1999-2004), when interictal electroencephalogram (EEG) and magnetic resonance imaging (MRI) were used mainly for confirmation, and the second period (2005-2017), when long-term non-invasive and invasive video-EEG was involved in the evaluation. Long-term outcomes were recorded up to December 2019 based on the Engel scale.

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Objective: This study aimed to examine the effectiveness of ozonated oil on the wound healing response of full-thickness defect tissue in Sprague-Dawley rats, assessed by collagen thickness and the number of fibroblasts.

Methods: This was an experimental research method using control groups and treatment groups with a posttest only control group design. The results showed that collagen thickness in wounds tended to increase, assessed on day 3 and day 7 using Masson's trichrome staining and microscopic evaluation.

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Introduction: The aim of this research was to describe a single-center practical experience in the management of traumatic carotid cavernous fistula (CCF).

Methods: There were a total of 31 patients between January 2005 and December 2019 with post-traumatic carotid cavernous sinus fistula (tCCF) who underwent treatment. We classified them into 2 types according to the flow of the CCF: patients with high flow CCF and patients with low flow CCF.

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Introduction: Intradural disc herniation (IDH) is a rare complication which comprises 0.27% of all herniated intervertebral discs. We are reporting a case of lumbar intradural disc herniation at the L4-L5 levels highlighting challenges in establishing clinical diagnosis and surgical approach involving a transdural microsurgery approach.

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Purpose: The quality of life in stroke patients is vital for survival. Nowadays, studies that show a decrease in quality of life in post-stroke patients are increasing. Various non-pharmacological modalities were explored in the past to improve rehabilitation.

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Background: Patients with temporal lobe epilepsy (TLE) often report viscerosensory and experiential auras, with substantial epilepsy localization. However, few previous studies have investigated the epileptic preoperative aura, particularly with regard to its effect on surgical outcomes in patients with drug-resistant epilepsy.

Objective: This study investigated the potential role of preoperative aura in predicting outcomes after surgery for TLE.

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Approximately 26-30% of temporal lobe epilepsy (TLE) cases display a normal-appearing magnetic resonance image (MRI) leading to difficulty in determining the epileptogenic focus. This causes challenges in surgical management, especially in countries with limited resources. The medical records of 154 patients with normal-appearing MRI TLE who underwent epilepsy surgery between July 1999 and July 2019 in our epilepsy centre in Indonesia were examined.

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Introduction: Corpus callosotomy (CCT) is a palliative procedure to treat injurious drop attacks or multifocal/generalized seizures in which resection of the epileptogenic focus is not feasible. We are presenting our experience in treating intractable epilepsy patients by CCT procedures.

Methods: We observed 16 patients who underwent callosotomy (male to female ratio 7:9; adult to pediatric ratio 3:13).

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Introduction: Penetrating cervical spinal cord injury (SCI) is a rare clinical entity that requires a multitude of health care specialists for proper management. The unpredictable nature of penetrating SCI and complex systemic sequela contribute to the high mortality rates of penetrating SCI.

Presentation Of Case: An 18-year-old-male patient was admitted to the emergency department with tetraparesis following a penetrating injury to the neck.

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Hemispherotomy is a surgical treatment indicated in patients with drug-resistant epilepsy due to unilateral hemispheric pathology. Hemispherotomy is less invasive compared with hemispherectomy. We reviewed our experience performing 24 hemispherotomy and report the results of 16 patients with prolonged follow-up of this relatively uncommon procedure in two centers in Indonesia.

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Objective: Subcellularly localized (nuclear and/or cytoplasmic) survivin has various functions, and correlates with prognosis of malignant tumors. However, there have been no reports about the significance of subcellularly localized survivin in high-grade astrocytomas. The aim of the present study was to examine the relationship between prognosis and subcellular localization of survivin in high-grade astrocytoma.

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Background: Cerebellar glioblastomas (GBM) are rare tumors whose clinicopathological characteristics are not well understood.

Patients And Methods: Clinico-immunohistochemical findings were retrospectively analyzed in 43 supratentorial- and 7 cerebellar GBM. The correlation between survival and immunopositivity for p53, epidermal growth factor receptor (EGFR) and Ki-67 in these tumors was statistically analyzed and compared.

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Background: The negative consequences of the cytoplasmic localization of p16 in patients with high-grade astrocytomas, on their prognosis, was investigated.

Methods: p16 Expression was examined in 20 anaplastic astrocytoma and 42 glioblastoma patients by immunohistochemical analysis, and the relationship between both cytoplasmic and nuclear p16 expression and prognosis analyzed.

Results: The cytoplasmic expression of p16 statistically correlated with poor prognosis.

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