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Object: The precise natural history of incidentally discovered meningiomas (IDMs) remains unknown. It has been reported that for symptomatic meningiomas, tumor location can be used to predict growth. As to whether the same is true for IDMs has not been reported. This study aims to answer this question and provide biological evidence for this assumption by extending the study to involve symptomatic cases., Methods: A total of 113 IDMs were analyzed by fine volumetry. A comparison of growth rates and patterns between skull base and non-skull base IDMs was made. Subsequently, materials obtained from 210 patients with symptomatic meningiomas who were treated in the authors' hospital during the same period were included for a biological comparison between skull base and non-skull base tumors using the MIB-1 index., Results: The 110 patients with IDMs included 93 females and 17 males, with a mean follow-up period of 46.9 months. There were 38 skull base (34%) and 75 non-skull base (66%) meningiomas. Forty-two (37%) did not exhibit growth of more than 15% of the volume, whereas 71 (63%) showed growth. Only 15 (39.5%) of 38 skull base meningiomas showed growth, whereas 56 (74.7%) of 75 non-skull base meningiomas showed growth (p = 0.0004). In the 71 IDMs (15 skull base and 56 non-skull base), there was no statistical difference between the 2 groups in terms of mean age, sex, follow-up period, or initial tumor volume. However, the percentage of growth (p = 0.002) was significantly lower and the doubling time (p = 0.008) was significantly higher in the skull base than in the non-skull base tumor group. In subsequently analyzed materials from 94 skull base and 116 non-skull base symptomatic meningiomas, the mean MIB-1 index for skull base tumors was markedly low (2.09%), compared with that for non-skull base tumors (2.74%; p = 0.013)., Conclusions: Skull base IDMs tend not to grow, which is different from non-skull base tumors. Even when IDMs grow, the rate of growth is significantly lower than that of non-skull base tumors. The same conclusion with regard to biological behavior was confirmed in symptomatic cases based on MIB-1 index analyses. The authors' findings may impact the understanding of the natural history of IDMs, as well as strategies for management and treatment of IDMs and symptomatic meningiomas.

We report the case of a 28-year-old man who presented with the sole complaint of lumbago. Spinal magnetic resonance imaging (MRI) revealed a solitary, well-defined intramedullary mass at the L1-L2 level typical of a primary spinal cord germinoma. However, cranial magnetic resonance imaging (MRI) showed a concomitant lesion in the suprasellar region. This article describes a rare case of simultaneously detected intracranial and intramedullary spinal cord germinoma and its possible etiopathology.

Background: Fatigue is a multidimensional problem affecting patients suffering from Parkinson's disease (PD). It is ranked as one of the most bothersome symptom of patients with Parkinson's disease. The study primarily aims to determine the presence of fatigue among clinically stable and independent Filipino patients suffering from idiopathic PD., Methods: This study is a prospective cross-sectional study. Recruited patients and control group were all Filipinos. Only independent patients with idiopathic, stable and non-fluctuating PD were included in the study. Those eligible underwent a multitude of screening tests to rule out presence of dementia (Mini Mental Status Examination, MMSE), depression (Montgomery-Åsberg Depression Rating Scale, MADRS), anxiety (Hamilton Anxiety Scale, HAM-A) and sleep disturbance. Disease severity was assessed using the Unified Parkinson's Disease Rating Scale (UPDRS) and fatigue severity using both the Multicomponent Fatigue Index (MFI) and Fatigue Severity Inventory (FSI)., Results: Twenty-eight patients underwent the study. The mean Hoehn and Yahr staging was 1.79. Patients with PD scored higher on both FSI and MFI (individual dimension scores and total score) as compared to the normal controls., Conclusions: The outcome of the study confirmed the presence of fatigue (general, physical, mental), even in clinically stable and independent patients suffering from idiopathic PD, when compared with age-matched healthy controls.