Health Sciences University of Hokkaido Academic Repository / 北海道医療大学学術リポジトリ
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Leiomyosarcoma possibly originating from the intraosseous mandible in a 90-years-old female：A case report and a brief literature review of mandible leiomyosarcoma
Get PDFLeiomyosarcoma is a rare malignant smooth muscle tumor, typically found in areas like the uterus and gastrointestinal tract. Its occurrence in the oral cavity is extremely rare due to limited presence of smooth muscle in this region. We present a case of leiomyosarcoma of the mandible, possibly originated from intraosseous region, in a 90−year−old female who exhibited the swelling and tooth mobility. Imaging showed a radiolucent lesion, and biopsy confirmed leiomyosarcoma through histopathological findings and immunohistochemical staining positive for vimentin, SMA, and HHF−35. Additionally, we present a brief literature of 32 case reports on mandible leiomyosarcoma in this article, which revealed a broad age range (7−67 years), a slight female predominance, variable tumor sizes (1−18 cm), and frequent mandibular involvement. This case highlights the diagnostic challenges, significance of immunohistochemistry, and variable clinical presentations of this rare tumor, providing valuable insight into its clinical and histological characteristics.departmental bulletin pape
Effects of fluctuations of the female sex hormones on the periodontal tissues and microbiota associated with threatened preterm labor.
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Effects of chemomechanical decontamination methods and biological growth factors for bone differentiation on rough titanium surfaces
Get PDF北海道医療大学博士（歯学）令和5年度thesi
Effects of fluctuations of the female sex hormones on the periodontal tissues and microbiota associated with threatened preterm labor.
Get PDF北海道医療大学博士（歯学）令和5年度thesi
Validity and reliability of a wearable photoplethysmographic sensor as an indicator of autonomic nervous system activity in psychophysiological studies
Get PDFBackground: Several studies have reported on using photoplethysmography (PPG) waveform data as a pulse wave, using mobile monitoring with wearable photoplethysmographic sensors.
Objectives: This study puported to verify whether PPG waveform data during the cold pressor test (CPT), measured, through mobile monitoring, with a wearable photoplethysmographic sensor (Polar Verity Sense, Polar Electro Oy, Kempele, Finland) were reliable and valid indicators of the autonomic nervous system.
Methods: Electrocardiography (ECG) and photoplethysmography (PPG) waveform data during the CPT were compared in 30 healthy participants. ECG waveform data were obtained in the lead II. The PPG waveform data were measured using the Polar Verity Sense on the arm. We used the Bland-Altman test and the Intraclass correlation coefficient (ICC) to examine the ECG and PPG waveform data consistency. This experiment consisted of three phases: Resting phase (Rest), Cold presser test (CPT), and Recovery phase (Recovery).
Results: The respective indices of the ECG and PPG data showed similar changes during Rest, CPT, and Recovery. The Cardiac Vagal and Sympathetic Indices (CVI/CSI), calculated by Lorenz plot analysis, showed no proportional errors but significant fixed errors. The consistency between CVI and CSI was also imperfect.
Conclusion: During CPT, each indicator on the PPG waveform data exhibited the same pattern as the results of each indicator on the ECG waveform data. CVI and CSI values calculated on PPG data from Polar Verity Sense showed fixed errors compared to the gold standard index ECG data, but no proportional errors. We considered that the CVI and CSI values calculated on PPG data from Polar Verity Sense showed consistency with those values of ECG.departmental bulletin pape
