The role of chest imaging in patient management during the COVID-19 pandemic: a multinational consensus statement from the Fleischner Society

…, L Richeldi, CM Schaefer-Prokop, N Tomiyama… - Radiology, 2020 - pubs.rsna.org
With more than 900 000 confirmed cases worldwide and nearly 50 000 deaths during the
first 3 months of 2020, the coronavirus disease 2019 (COVID-19) pandemic has emerged as …

CT-guided needle biopsy of lung lesions: a survey of severe complication based on 9783 biopsies in Japan

N Tomiyama, Y Yasuhara, Y Nakajima, S Adachi… - European journal of …, 2006 - Elsevier
PURPOSE: The aim of our study was to update the rate of severe complications following CT-guided
needle biopsy in Japan via a mailed survey. MATERIALS AND METHODS: Postal …

Abdominal multi-organ segmentation from CT images using conditional shape–location and unsupervised intensity priors

…, MG Linguraru, M Hori, RM Summers, N Tomiyama… - Medical image …, 2015 - Elsevier
This paper addresses the automated segmentation of multiple organs in upper abdominal
computed tomography (CT) data. The aim of our study is to develop methods to effectively …

Segmentation of liver in low-contrast images using K-means clustering and geodesic active contour algorithms

…, A Furukawa, Y Sato, M Hori, N Tomiyama - … on Information and …, 2013 - search.ieice.org
In this paper, we present an algorithm to segment the liver in low-contrast CT images. As the
first step of our algorithm, we define a search range for the liver boundary. Then, the EM …

Computed tomography findings in pathological usual interstitial pneumonia: relationship to survival

…, A Inoue, N Mihara, O Honda, N Tomiyama… - American journal of …, 2008 - atsjournals.org
Rationale: Patients with a clinicopathological diagnosis of idiopathic pulmonary fibrosis (IPF)
may have typical findings of usual interstitial pneumonia (UIP) on computed tomography (…

Anterior mediastinal tumors: diagnostic accuracy of CT and MRI

N Tomiyama, O Honda, M Tsubamoto, A Inoue… - European journal of …, 2009 - Elsevier
PURPOSE: To compare the diagnostic accuracy for anterior mediastinal tumors among CT,
MRI, and both CT and MRI, and to determine the optimal CT and MRI procedures for the …

Eosinophilic lung diseases: diagnostic accuracy of thin-section CT in 111 patients

…, T Kiyama, N Mihara, O Honda, N Tomiyama… - Radiology, 2000 - pubs.rsna.org
PURPOSE: To determine whether various eosinophilic lung diseases can be differentiated
by means of thin-section computed tomography (CT). MATERIALS AND METHODS: Thin-…

Mycoplasma pneumoniae Pneumonia: Radiographic and High-Resolution CT Features in 28 Patients

…, KS Lee, O Honda, N Tomiyama - American Journal of …, 2000 - Am Roentgen Ray Soc
OBJECTIVE. The aim of the study was to compare the radiographic and the high-resolution
CT findings of Mycoplasma pneumoniae pneumonia. MATERIALS AND METHODS. The …

Using the World Health Organization classification of thymic epithelial neoplasms to describe CT findings

N Tomiyama, T Johkoh, N Mihara… - American Journal of …, 2002 - Am Roentgen Ray Soc
OBJECTIVE. Our purpose was to assess the CT features of various subtypes of thymic
epithelial neoplasms on the basis of the 1999 World Health Organization classification. …

Intrathoracic multicentric Castleman disease: CT findings in 12 patients.

…, N Nishimoto, K Yoshizaki, O Honda, N Tomiyama… - Radiology, 1998 - pubs.rsna.org
PURPOSE: To assess the computed tomographic (CT) findings of intrathoracic involvement
in multicentric Castleman disease. MATERIALS AND METHODS: The study comprised 12 …