The initial diagnosis of malignant (Grade-3) meningioma in one case was based on the brain invasion by the tumor [8]. Fukushima et al. observed WSM-tumor invasion into the adjacent brain parenchyma [3]. Traditionally, diagnosis of malignant meningioma should be based on number of mitotic ...
doi:10.1007/s10014-022-00436-3Maier, Andrea DanielaBrchner, Christian BeltoftMirian, ChristianHaslund-Vinding, JeppeBartek, JiriEkstrm, Tomas J.Poulsen, Frantz RomScheie, DavidMathiesen, TiitSpringer Nature SingaporeBrain Tumor Pathology
Although the histopathology system has some success predicting tumor recurrence, there seems to be room for improvement. "For instance, WHO grade II and III tumors tend to recur, but we have also seen patients with grade II meningioma whose tumors have a more benign course," Patel said. "On...
Grade 3 meningiomas are frankly malignant, fortunately rare (1–3% of meningiomas), and carry even higher risks. The role of radiation therapy had been based largely on retrospective studies, but four contemporary prospective cooperative group trials (EORTC 22042-26042, RTOG 0539, NRG BN003, and...
meningioma- a tumor arising in the meninges which surround the brain and spinal cord; usually slow growing and sometimes malignant neoplasm,tumor,tumour- an abnormal new mass of tissue that serves no purpose Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Far...
Meningiomas account for 15–20% of all primary brain tumors in adults, and are the most common benign primary neoplasm of the brain [3]. Tumor classification is highly meaningful, as early RT may be withheld in low-grade disease, whereas higher-grade meningiomas (atypical and malignant disease...
The following characteristics were examined as potential sources of heterogeneity in xenografted models: number of cells, cell concentration, established cell line used, parent tumor grade (WHO grade 1–3), and duration of incubation. For GEMs, the following characteristics were examined in subgroup ...
Invasive shows benign histological features (WHO grade 1) and the brain expansion at the -brain interface, and recurs more frequently than common . To dete... S Utsuki,H Oka,Y Sato,... - 《Clinical Neuropathology》 被引量: 64发表: 2005年 Functional outcome of patients with benign meningio...
Meningiomas are the most common primary brain tumor of adults. The majority are benign (WHO grade I), with a mostly indolent course; 20% of them (WHO grade II and III) are, however, considered aggressive and require a more complex management. WHO grade I
The irregular tumor-brain interface and heterogenous tumor enhancement had the highest AUC values of 0.788 and 0.703, respectively. Table 3 The diagnostic accuracy of significant imaging features for differentiating high-grade from low-grade meningioma Full size table Table 4 Quality assessment of ...