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백승호,신원한,김범태,최순관,변박장 대한신경외과학회 1994 Journal of Korean neurosurgical society Vol.23 No.9
Tuberculosis originating in the skull bone is rare. We report a case of skull bone tuberculosis. A 72 year-old female was referred to us because of headache, swelling and tenderness in the left parietal area. She has been treated interstitial pulmonary fibrosis and pleural effusion at the department of internal medicine. Plain skull X-ray and CT scan revealed a 1.5㎝×1.5㎝ sized osteolytic lesion in the left parietal bone. Bone scan demonstrated a lesion of hot uptake in the left parietal region. After a left parietal craniotomy was performed, the involved bone flap and granulation tissue that attached to the dura mater were removed. Pathologic findings showed granulomatous inflammation with central caseous necrosis and peripheral collar of epithelioid cell interspersed with lymphocytes. A brief review of the literature was given.
The relationships between migration and timing of cell division of dinoflagellate Ceratium furca
백승호,신현호,최현우,황옥명,신경순,김영옥 대한조선학회 2011 대한조선학회 학술대회자료집 Vol.2011 No.6
To better understand the mechanism underlying the bloom outbreaks of dinoflagellate Ceratium furca in the temperate coastal area of Jinhae Bay, we investigated the diel changes of vertical migration and cell division timing. The maximum cell densities of C. furca was 10,640 cells mL-1and observed at 24:00 on the surface on 1 August, while relatively high concentrations were routinely recorded at 6:00 on the surface. The high proportions of dividing cells had a positive correlation with depth and WMDs were also deeper. C. furca divide in the deeper layer, irrespective of vertical migration pattern. The high proportions of dividing cells at deeper depths are likely to be an ecological response to maintain their population from water disturbances in the near-surface layer.