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Study of perifocal low-density area in metastatic brain tumor

Journal Article:

Abstract

It is well known that vasogenic brain edema often develops in brain tumors, head injuries, and inflammatory brain lesions. In order to investigate the development and resolution of vasogenic brain edema, some CT findings of metastatic brain tumors were studied in detail. 20 cases of metastatic brain tumors of the past three years were examined by means of a CT scan. In almost all the cases there was a perifocal low-density area (PFL) in the CT findings. In the tumors which were cystic and/or located in the infratentorial space, PFL was not present or, if present, only slightly so. On the contrary, in the tumors which were nodular and/or in the supratentorial space, PFL was present extensively. In the supratentorial metastasis, PFL seemed to be restricted within the white matter and not to involve the gray matter nor such midline structures as basal ganglia and corpus callosum. Besides, PFL was always in contact with the lateral ventricular wall. These results show that PFL in the metastatic tumors resembles in shape the experimental cold-induced brain edema in cats. PFL is presumed to represent vasogenic brain edema; these findings support the hypothesis that the main mechanism of the resolution of vasogenic brain  More>>
Authors:
Suzuki, R; Okada, K; Hiratsuka, H; Inaba, Y; [1]  Tsuyumu, M
  1. Tokyo Medical and Dental Univ. (Japan). School of Medicine
Publication Date:
Apr 01, 1980
Product Type:
Journal Article
Reference Number:
AIX-12-607689; EDB-81-100765
Resource Relation:
Journal Name: CT Kenkyu; (Japan); Journal Volume: 2:2
Subject:
62 RADIOLOGY AND NUCLEAR MEDICINE; BRAIN; CAT SCANNING; EDEMA; DIAGNOSIS; IMAGES; METASTASES; NEOPLASMS; PATIENTS; BODY; CENTRAL NERVOUS SYSTEM; COMPUTERIZED TOMOGRAPHY; DIAGNOSTIC TECHNIQUES; DISEASES; IMAGE PROCESSING; NERVOUS SYSTEM; ORGANS; PATHOLOGICAL CHANGES; PROCESSING; SYMPTOMS; TOMOGRAPHY; 550602* - Medicine- External Radiation in Diagnostics- (1980-)
OSTI ID:
6281068
Country of Origin:
Japan
Language:
Japanese
Other Identifying Numbers:
Journal ID: CODEN: CTKED
Submitting Site:
INIS
Size:
Pages: 189-194
Announcement Date:

Journal Article:

Citation Formats

Suzuki, R, Okada, K, Hiratsuka, H, Inaba, Y, and Tsuyumu, M. Study of perifocal low-density area in metastatic brain tumor. Japan: N. p., 1980. Web.
Suzuki, R, Okada, K, Hiratsuka, H, Inaba, Y, & Tsuyumu, M. Study of perifocal low-density area in metastatic brain tumor. Japan.
Suzuki, R, Okada, K, Hiratsuka, H, Inaba, Y, and Tsuyumu, M. 1980. "Study of perifocal low-density area in metastatic brain tumor." Japan.
@misc{etde_6281068,
title = {Study of perifocal low-density area in metastatic brain tumor}
author = {Suzuki, R, Okada, K, Hiratsuka, H, Inaba, Y, and Tsuyumu, M}
abstractNote = {It is well known that vasogenic brain edema often develops in brain tumors, head injuries, and inflammatory brain lesions. In order to investigate the development and resolution of vasogenic brain edema, some CT findings of metastatic brain tumors were studied in detail. 20 cases of metastatic brain tumors of the past three years were examined by means of a CT scan. In almost all the cases there was a perifocal low-density area (PFL) in the CT findings. In the tumors which were cystic and/or located in the infratentorial space, PFL was not present or, if present, only slightly so. On the contrary, in the tumors which were nodular and/or in the supratentorial space, PFL was present extensively. In the supratentorial metastasis, PFL seemed to be restricted within the white matter and not to involve the gray matter nor such midline structures as basal ganglia and corpus callosum. Besides, PFL was always in contact with the lateral ventricular wall. These results show that PFL in the metastatic tumors resembles in shape the experimental cold-induced brain edema in cats. PFL is presumed to represent vasogenic brain edema; these findings support the hypothesis that the main mechanism of the resolution of vasogenic brain edema is the drainage of the edema fluid into the ventricular CSF.}
journal = {CT Kenkyu; (Japan)}
volume = {2:2}
journal type = {AC}
place = {Japan}
year = {1980}
month = {Apr}
}