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Biomedical subjects

J Fodor

Publications and source records attributed to J Fodor.

At least 91 records · Page 5Linked to original sources
PubMedDate not supplied

Concepts: a potboiler.

An informal, but revisionist, discussion of the role that the concept of a concept plays in recent theories of the cognitive mind. It is argued that the practically universal assumption that concepts are (at least partially) individuated by their roles in inferences is probably mistaken. A revival of conceptual atomism appears to be the indicated alternative.

Behaviorism↗
PubMedDate not supplied

Risk factors in stage III breast carcinoma.

Five-year follow-up data of 100 patients with Stage III breast cancer treated by primary irradiation from 1977 to 1981 are presented. The 5-year overall survival rate for the entire group was 38 per cent with a median survival time of 33 months. The data were analysed to determine factors associated with prognosis. Patients with shorter premedical history and premenopausal status had a modest survival advantage. Response to radiation therapy, primary tumor status, regional lymph node condition, postirradiation histologic findings in axillary lymph nodes proved to have a prognostic value. Disease which was not controlled by radiotherapy also tended to be resistant to chemotherapy and the 5-year survival in this group was zero. Risk factors have to be taken into consideration for the combined modality treatment for stage III breast cancer. However, further studies are needed to define the indication and appropriate sequence of systemic treatment in this stage of the disease.

Adult↗
PubMedDate not supplied

The role of the radiology administrator in radiography education.

The rapidly changing nature of allied health and radiologic technology education has negated much of the former role of the radiology administrator in radiologic technology education. This article attempts to define a meaningful role for the administrator in radiologic technology education.

Administrative Personnel↗
PubMedDate not supplied

LDL molecular size as risk factor in coronary artery disease.

Sera of 65 fasting human subjects--32 patients with coronary artery disease (CAD) aged 42-80 years and 33 healthy individuals--were tested for determination of nine lipid-related laboratory parameters, including protein-enriched LDL (low density lipoprotein cholesterol (LDL apo B) which is proportional to the amount of cholesterol per LDL particle. Three of the investigated parameters: protein-enriched LDL, HDL cholesterol and apo B level differed significantly in the two groups (corrected P < 0.001, P < 0.009 and P < 0.009, respectively). Discriminant analysis revealed that protein-enriched LDL, LDL cholesterol, apo B and fasting triglyceride levels, but not HDL cholesterol, were the major discriminating factors for CAD in this study. Pearson correlation coefficients were calculated to describe the association between this size-related parameter and those which in both groups seem to be most strongly associated with it: apo B/A-I ratio (i), triglyceride (ii) and LDL/HDL ratio (iii). The analysis was done separately in the two groups. In the patients with CAD the influence of these three parameters were less decisive in the determination of the protein-enriched LDL than in the controls (corr. coeff.: (i) -0.155 vs -0.358; (ii) -0.624 vs -0.791; (iii) -0163 vs -0.471). In healthy volunteers the size-reducing effect of the same parameters was more profound, and at high values of LDL/HDL ratio, apo B/apo A-I ratio and triglyceride no distinction in LDL particle size can be made any longer between CAD patients and controls. Thus the improvement of the atherogenic profile does not seem to result in the reduction of risk for CAD in terms of LDL size and composition.

Adult↗
PubMedDate not supplied

Recent advances in x-ray tube design.

In recent years there have been no major changes in the design of diagnostic x-ray tubes. However, two recent modifications include the metal center section x-ray tube and the graphite backed anode. Both of the modifications are a result of the increased demand placed on tubes today and an effort to extend the tube life. These newer x-ray tube designs are detailed in this article.

Equipment Design↗
PubMedDate not supplied

Chemonucleolysis.

In November 1982, the Federal Drug Administration approved Chymodiactin, chymopapain in injection form, for the treatment of herniated intervertebral discs. This procedure, termed chemonucleolysis, requires radiologic support. This article describes the anatomy, pathology, and special techniques related to chemonucleolysis and defines the role of the radiologic technologist in the completion of this procedure.

Chymopapain↗
PubMedDate not supplied

Carpal tunnel syndrome: the role of radiography.

Carpal tunnel syndrome is a common neurologic condition that is evaluated often using radiography. An overview of carpal tunnel syndrome and its diagnosis is presented, along with methods for radiographic evaluation of this condition.

Carpal Tunnel Syndrome↗
PubMedDate not supplied

Skeletal variation: biological and cultural.

Radiographic examinations may reveal skeletal variations that are biological or cultural in origin. This article reviews both types of variations, discusses radiographic examples, and explains how radiographs can be helpful in the field of anthropology.

Anthropology, Cultural↗
PubMedDate not supplied

Prospective payment and its impact on radiologic technology.

The prospective payment system is affecting the management and delivery of health care, and will have a large impact on the radiology department. This article describes the prospective payment system and explains how the role of the radiologic technologist may be altered.

Aged↗
PubMedDate not supplied

The radiographic appearance of a ceramic total hip replacement.

A new total hip replacement has been approved for use in the United States. This system utilizes ceramic articular components and a metal stem. This article reviews the history of total hip replacement (THR) and the construction and advantages of the ceramic total hip replacement. Additionally, the radiographic appearance of current THR systems are compared with the new systems.

Ceramics↗
PubMedDate not supplied

The radiographic detection of foreign bodies.

While many foreign bodies are easily demonstrated on routine radiographs, others are of low radiopacity and may necessitate the use of special techniques or equipment for detection. Since routine radiography is usually the initial method for the investigation of a suspected foreign body, it is beneficial for the technologist to be familiar with several more effective techniques. The purpose of this paper is to acquaint the technologist with the application of these techniques in foreign body detection.

Adult↗