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Meningeal melanocytoma: magnetic resonance imaging characteristics and pathological features. Case report.
- Y. Uematsu, S. Yukawa, H. Yokote, T. Itakura, S. Hayashi, N. Komai
- MedicineJournal of neurosurgery
- 1 April 1992
The MR appearance and pathological features in this rare case of meningeal melanocytoma are demonstrated and discussed, and low proliferative activity among the neoplastic cells is revealed.
Is whole‐brain irradiation necessary for primary central nervous system lymphoma?
To clarify whether whole‐brain radiation is necessary for PCNSL, the authors retrospectively analyzed the outcome of patients treated with partial‐brain irradiation.
Bilateral morning glory syndrome associated with sphenoid encephalocele. Case report.
- T. Itakura, K. Miyamoto, Y. Uematsu, S. Hayashi, N. Komai
- MedicineJournal of neurosurgery
- 1 December 1992
The operative findings suggest that a basal encephalocele protruding from a bone defect in the sphenoid plate may disturb the normal development of the optic nerve.
Enhancement of the response to levodopa therapy after intrastriatal transplantation of autologous sympathetic neurons in patients with Parkinson disease.
Sympathetic neuron autografts were found to improve performance status in patients with PD by reducing the time spent in the off phase, which clearly indicates that sympathetic ganglion tissue can be an efficacious donor source in cell transplantation therapy for PD.
Radiomics and MGMT promoter methylation for prognostication of newly diagnosed glioblastoma
A magnetic resonance imaging (MRI)-based radiomic model for stratifying prognostic subgroups of newly diagnosed glioblastoma (GBM) patients and predicting O (6)-methylguanine-DNA methyltransferase promotor methylation (pMGMT-met) status of the tumor was established.
Myositis ossificans of the temporal muscle as a primary scalp tumor. Case report.
- Y. Uematsu, Hiroki Nishibayashi, K. Fujita, H. Matsumoto, T. Itakura
- MedicineNeurologia medico-chirurgica
A 38-year-old woman presented with a rare case of myositis ossificans in the temporal muscle manifesting as left temporal scalp mass with mild pain, and magnetic resonance imaging revealed a heterogeneously enhanced mass in the muscle.
A possible involvement of central atrial natriuretic peptide in cerebral cortical microcirculation.
- N. Nakao, T. Itakura, Y. Uematsu, H. Yokote, K. Nakai, N. Komai
- Biology, MedicineNeurosurgery
- 1 February 1992
The data from the laser-Doppler study suggest that central ANP may produce a vasoconstriction of the intraparenchymal blood vessels, regardless of whether through direct action on these vessels or through the mediation by some system in the central nervous system.
[A case of intraosseous meningioma with extracranial progression having difficulty in making a preoperative diagnosis].
- Masataka Nanto, N. Tsuji, Junichiro Miki, Satoshi Tanaka, Y. Uematsu, T. Itakura
- MedicineNo shinkei geka. Neurological surgery
Preoperative diagnosis was an osteogenic tumor, but histological examination revealed a transitional meningioma, which should be aware of the existence of intraosseous menigiomas mimicking osteogenic tumors.
Distant metastasis of dermatofibrosarcoma protuberans of the scalp--case report.
Scalp DFSP is very uncommon but is an aggressive scalp tumor, so initial wide local resection and local radiation therapy after surgery are important to prevent local recurrence and distant metastasis.
Management of non-benign meningiomas with Gamma Knife radiosurgery.
GKS has limited efficacy in cases of non-benign meningioma, but better tumor control rates can be attained for small neoplasms treated with greater marginal and maximum irradiation doses.