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Item Open Access Brain hemorrhage segmentation in ct scan images using deep learning based approach(Mahidol University. Mahidol University Library and Knowledge Center, 2022) Zhang, Haibin, 1993-; Worapan Kusakunniran; Thanongchai Siriapisith; Pairash SaiviroonpornCerebral hemorrhage is a major cause of brain death with high early mortality and severe sequelae. Subarachnoid hemorrhage, a type of cerebral hemorrhage with small area measures and irregular shapes, is particularly difficult for image segmentation...; therefore, rapid and accurate judgments of CT images of cerebral hemorrhage are vital to reduce mortality and sequelae. This research aims to propose an improved active learning method based on a convolutional neural network for small lesion cerebralPublication Open Access การสำรวจปริมาณรังสีอ้างอิงที่ผู้ป่วยได้รับจากการรักษามะเร็งตับโดยวิธีทีเอซีอีของคณะแพทยศาสตร์โรงพยาบาลรามาธิบดี มหาวิทยาลัยมหิดล(2566) ปวริศร ทิมาสาร; สุรภี อ่ำโต; วชิราภรณ์ ดีภา; ชัยณรงค์ นวลคล้าย; พิรญา สุขศิวกร; Pawarisorn Timasan; Surapee Amto; Wachiraporn Deepa; Chainarong Nuanklai; Piraya Suksivakorntechnique. The researcher surveys radiation dose that the HCC patients obtained from TACE method with digital subtraction Angiography manufacturer Toshiba, model Infinix-i at the Faculty of Medicine, Ramathibodi Hospital, Mahidol University from November... of the patients (Automatic Brightness Control: ABC). Whereas other parameter values can be done through radiography which uses proper radiation dose and the effect of exposure technique on image quality is sufficient to diagnose and be a guidelinePublication Open Access Comparison of Contrast-Enhanced 3D Spoiled Gradient-Echo High-Resolution T1-Weighted Sequences Versus Contrast-Enhanced MR Venography for Detection of Dural Venous Sinus Thrombosis(2018) Theeraphol Panyaping; Gun Wongpanich; Onousa Sangfai; Oranan Tritanon; ธีรพล ปัญญาปิง; กัญจน์ วงศ์พานิช; อรอุษา แสงไฟ; อรนันท์ ไตรตานนท์; Mahidol University. Faculty of Medicine Ramathibodi Hospital. Department of Diagnostic and Therapeutic Radiology; Rajavithi Hospital. Department of Radiology, is associated with favorable clinical outcomes. Magnetic resonance imaging (MRI) and MR venography (MRV) have become preferred techniques because of noninvasiveness with high image resolution. Objectives: To compare the diagnostic accuracy of contrast-enhanced... patients, acquired between August 2010 and November 2012, were retrospectively reviewed by neuroradiologists for detection of DVS thrombosis in each of eight venous sinus segments (total, 784 venous segments). Diagnostic performance values were calculatedPublication Open Access Quantitative evaluation of cellular intensity in cytologic staining over difference time period of post air-dried smear in canine mammary gland tumor(2018) Jeerasak sri-in; Pattita Ruayaree; Panpaga Sangsuriya; Panop wilainam; Parin Suwannaprapha; จีรศักดิ์ ศรีอินทร์; ปทิตตา รวยอารี; พรรณพงา เเสงสุริยะ; ภานพ วิไลนาม; ปริญ สุวรรณประภา; จุฬาลงกรณ์มหาวิทยาลัย. คณะเภสัชศาสตร์; มหาวิทยาลัยมหิดล. คณะสัตวแพทยศาสตร์. ภาควิชาปรีคลินิกและสัตวศาสตร์ประยุกต์Diagnostic cytology is an initial laboratory testing to diagnose various types of cancer, infections and inflammatory diseases. The collection and processing of cytological specimens are very important to produce good quality specimensPublication Open Access Eagle’s syndrome and associated pain in head and neck region: A case report and review literature.(2014-05) Rachatawan Leelarangsun; รชตวรรณ ลีลารังสรรค์; Surakit Visutiwatanakorn; สุรกิจ วิสุทธิวัฒนากร; Surakit Visutiwatanakorn; สุรกิจ วิสุทธิวัฒนากร; Mahidol University. Faculty of Dentistry. Department of Hospital Dentistry; Mahidol University. Faculty of Dentistry. Department of Oral and Maxillofacial SurgeryOrofacial pain is an unpleasant symptom that can originate from several etiologies, including inflammation of the eustachian tube, parotid gland infection, impacted teeth, trauma, carcinoma of pharynx, and trigeminal neuralgia. The most common diagnoses of orofacial pain are cluster headache, migraine, and temporomandibular joint disorders (TMD). On the other hand, elongation of styloid process, also known as Eagle’s syndrome, is often neglected because of its rare occurrence. Orofacial pain related to an elongated process can be relieved by its surgical removal. Therefore, it is important to gather all necessary information by history taking and clinical and radiographic investigation to make the correct diagnosis so that unnecessary treatment and surgeries can be avoided.Publication Open Access Three phase bone scintigraphy in evaluating revascularization and bone formation of natural biomaterial bone graft by using Tc99m MDP in rabbits(2015) Somkiat Huaijantug; Paranee Yatmark; Somsak Wattananit; Phingphol Charoonrut; Thonnapong Thongpraparn; Rujaporn Chanachai; Mahidol University. Faculty of Veterinary Science. Department of Clinical Sciences and Public Health; Mahidol University. Faculty of Veterinay Science. Department of Pre-Clinical and Apply Animal Science; Mahidol University. Faculty of Medicine Siriraj Hospital. Section of Nuclear MedicineThree phase bone scintigraphy (TPBS) examined the viability of bone graft, revascularization, and bone formation using single photon emission computed tomography (SPECT) and the intravenous injection of 99M Technetium methylenediphosphonate (99MTc-MDP). Seven New Zealand White rabbits, aged 8 months had osteotomy of ulna performed, the left ulna substituted for natural biomaterial bone graft, containing gelatin sponge and hyaluronic acid, and the right ulna was replaced by vascularized autogenous bone graft. A post-operative scanning of bone using TPBS was done at 7 days and weekly, at week 1, 2, 4, 6, 8, 12 to evaluate revascularization and bone formation of natural biomaterial bone graft comparing with autogenous bone graft. The results demonstrated that the perfusion index and RCP of natural biomaterial bone graft and the autogenous bone graft in phases 1, 2, and 3 had no statistically significant difference when compared in between each week. The study also showed that, the ratio of the mean counts/pixel of the natural biomaterial bone graft in phase 3 had slightly lower than autogenous bone graft. This study provided model through which TPBS could evaluate revascularization and bone formation in this model. Natural biomaterial bone graft may be the same and as good a revascularization as autogenous bone graft although the bone formation of autogenous bone graft still has more efficiency than natural biomaterial bone.Publication Open Access Three phase bone scintigraphy in evaluating revascularization and bone formation of natural biomaterial bone graft by using Tc99m MDP in rabbits(2015) Somkiat Huaijantug; Paranee Yatmark; Somsak Wattananit; Phingphol Charoonrut; Thonnapong Thongpraparn; Rujaporn Chanachai; Mahidol University. Faculty of Veterinary Science; Mahidol University. Faculty of Medicine Siriraj HospitalThree phase bone scintigraphy (TPBS) examined the viability of bone graft, revascularization, and bone formation using single photon emission computed tomography (SPECT) and the intravenous injection of 99M Technetium methylenediphosphonate (99MTc-MDP). Seven New Zealand White rabbits, aged 8 months had osteotomy of ulna performed, the left ulna substituted for natural biomaterial bone graft, containing gelatin sponge and hyaluronic acid, and the right ulna was replaced by vascularized autogenous bone graft. A post-operative scanning of bone using TPBS was done at 7 days and weekly, at week 1, 2, 4, 6, 8, 12 to evaluate revascularization and bone formation of natural biomaterial bone graft comparing with autogenous bone graft. The results demonstrated that the perfusion index and RCP of natural biomaterial bone graft and the autogenous bone graft in phases 1, 2, and 3 had no statistically significant difference when compared in between each week. The study also showed that, the ratio of the mean counts/pixel of the natural biomaterial bone graft in phase 3 had slightly lower than autogenous bone graft. This study provided model through which TPBS could evaluate revascularization and bone formation in this model. Natural biomaterial bone graft may be the same and as good a revascularization as autogenous bone graft although the bone formation of autogenous bone graft still has more efficiency than natural biomaterial bone.Publication Open Access ความแม่นของการวัดเชิงเส้นเมื่อเปรียบเทียบระหว่างภาพรังสีปริทัศน์และภาพรังสีส่วนตัดอาศัยคอมพิวเตอร์แบบรังสีรูปกรวย(2012-01) ศิรินันท์ วิเศษสินธุ์; Sirinun Wisetsin; ทวีพงศ์ อารยะพิศิษฐ; Tawepong Arayapisit; ขวัญชนก แสวงศรี; Khwanchanok Sawaengsri; พิชญพล ชุณหชัชวาลกุล; Pitchayapol Chunhachatchavalkul; พิชญา ไวโรจนกุล; Pichaya Wairojanakul; สาธิดา ชาติบัญชาชัย; Sathida Chatbunchachai; สุภัค งามสม; Supak Ngamsom; ศิรินันท์ วิเศษสินธุ์; Sirinun Wisetsin; มหาวิทยาลัยมหิดล. คณะทันตแพทยศาสตร์. ภาควิชารังสีวิทยาช่องปากและแม็กซิลโลเฟเชียล; มหาวิทยาลัยมหิดล. คณะทันตแพทยศาสตร์. ภาควิชากายวิภาคศาสตร์on the panoramic and the cone beam computed tomographic radiographs as well as directly on the mandibles. The relative error of both imaging modalities was assessed. The measurement obtained from each radiograph was compared with that obtained from the same... mandible by paired t-test (α=.05). The difference of the relative error between radiographic techniques was analyzed using t-test (α=.05). Results: Linear measurement on each radiographic technique had no significant difference from the actual lengthPublication Open Access Using cone-beam computerized tomography before intiating intentional endodontic treatment.(2011-05) Raweewan Arayasantiparb; ระวีวรรณ อารยะสันติภาพ; Chitvaree Leetrakulwanna; ชิตวรี ลีตระกูลวรรณา; Danuchit Banomyong; ดนุชิษณ์ พนมยงค์; Danuchit Banomyong; ดนุชิษณ์ พนมยงค์; Mahidol University. Faculty of Dentistry. Department of Oral and Maxillofacial Radiology; Mahidol University. Faculty of Dentistry. Department of Operative Dentistry and Endodonticscusps. CBCT was used to obtain three-dimensional details of tooth. Results: From the CBCT images, the highest points of pulpal horns were clearly demonstrated. The minimal remaining tooth thicknesses obtained from CBCT were 3.25, 3.5 and 4.0 mmPublication Open Access Development of a prototype lateral flow immunoassay (LFI) for the rapid diagnosis of melioidosis.(2014-03-20) Houghton, Raymond L.; Reed, Dana E.; Hubbard, Mark A.; Dillon, Michael J.; Chen, Hongjing; Currie, Bart J.; Mayo, Mark; Sarovich, Derek S.; Theobald, Vanessa; Direk Limmathurotsakul; ดิเรก ลิ้มมธุรสกุล; Gumphol Wongsuvan; Narisara Chantratita; นริศรา จันทราทิตย์; Peacock, Sharon J.; Hoffmaster, Alex R; Duval, Brea; Brett, Paul J.; Burtnick, Mary N.; AuCoin, David P.; AuCoin, David P.; Mahidol University. Faculty of Tropical Medicine. Department of Tropical Hygiene, Mahidol-Oxford Tropical Medicine Research Unit.; Mahidol University. Faculty of Tropical Medicine. Department of Microbiology and Immunology, and Mahidol-Oxford Tropical Medicine Research Unit.employed In vivo Microbial Antigen Discovery (InMAD) to identify potential B. pseudomallei diagnostic biomarkers. The B. pseudomallei capsular polysaccharide (CPS) and numerous protein antigens were identified as potential candidates. Here, we describe... the development of a diagnostic immunoassay based on the detection of CPS. Following production of a CPS-specific monoclonal antibody (mAb), an antigen-capture immunoassay was developed to determine the concentration of CPS within a panel of melioidosis patient