User profiles for Masaki Komiyama

Masaki KOMIYAMA

Osaka City General Hospital
Verified email at japan-mail.com
Cited by 4803

Second international guidelines for the diagnosis and management of hereditary hemorrhagic telangiectasia

…, VN Iyer, AD Kjeldsen, M Komiyama… - Annals of internal …, 2020 - acpjournals.org
Description: Hereditary hemorrhagic telangiectasia (HHT) is an autosomal dominant disease
with an estimated prevalence of 1 in 5000 that is characterized by the presence of vascular …

Middle cerebral artery variations: duplicated and accessory arteries.

M Komiyama, H Nakajima… - American journal of …, 1998 - Am Soc Neuroradiology
PURPOSE Our goal was to analyze the anatomic similarity between the duplicated middle
cerebral artery (MCA) and the accessory MCA and their relationship to the early branches of …

High incidence of arterial dissection associated with left vertebral artery of aortic origin

M KOMIYAMA, T MORIKAWA, H NAKAJIMA… - Neurologia medico …, 2001 - jstage.jst.go.jp
The incidences of arterial dissection of the vertebral artery (VA) of aortic origin and VA of
subclavian artery origin were determined. The origins of the left and right VAs were confirmed …

Transuncodiscal approach to dumbbell tumors of the cervical spinal canal

A Hakuba, M Komiyama, T Tsujimoto, MS Ahn… - Journal of …, 1984 - thejns.org
✓ A combined anterior and lateral approach to the anterior cervical spinal canal with fusion
was performed on five patients with cervical dumbbell-shaped tumors. The procedure …

[PDF][PDF] Mutations in chromatin modifier and ephrin signaling genes in vein of Galen malformation

…, J Knight, S Haider, M Soban, SL Alper, M Komiyama… - Neuron, 2019 - cell.com
Normal vascular development includes the formation and specification of arteries, veins, and
intervening capillaries. Vein of Galen malformations (VOGMs) are among the most common …

Moyamoya disease and pregnancy: case report and review of the literature

M Komiyama, T Yasui, S Kitano, H Sakamoto… - …, 1998 - journals.lww.com
OBJECTIVE AND IMPORTANCE: Many female patients with moyamoya disease are of
childbearing years, including those who were diagnosed before entering their childbearing years…

MR imaging: possibility of tissue characterization of brain tumors using T1 and T2 values.

M Komiyama, H Yagura, M Baba… - American journal …, 1987 - Am Soc Neuroradiology
To evaluate the usefulness of T1 and T2 values for tissue characterization of brain tumors,
37 histologically confirmed brain tumors were examined with a 0.5-T superconductive MR …

Aneurysmal rupture during angiography

M Komiyama, K Tamura, Y Nagata, Y Fu, H Yagura… - …, 1993 - journals.lww.com
THE AIM OF the present study was to analyze the clinical data on rebleeding in cerebral
aneurysms during angiography and to evaluate the importance of the time interval between the …

The accessory middle cerebral artery as a collateral blood supply.

M Komiyama, M Nishikawa… - American journal of …, 1997 - Am Soc Neuroradiology
We describe two cases of acute embolic occlusion of the internal carotid artery and the middle
cerebral artery in association with a patent accessory middle cerebral artery. Because of …

[HTML][HTML] Hereditary hemorrhagic telangiectasia in Japanese patients

M Komiyama, T Ishiguro, O Yamada… - Journal of Human …, 2014 - nature.com
To describe clinical presentations of hereditary hemorrhagic telangiectasia (HHT) patients
in Japan. There were 80 patients (40 men and 40 women, age 2–78, mean 39.4 years old), …