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J H Renouf

Publications and source records attributed to J H Renouf.

7 recordsLinked to original sources
PubMed1978

Metoclopramide in gastrointestinal radiology.

Since the late 1960's, metoclopramide has been used in Europe for the treatment of gastrointestinal motility disorders. It is less well known in North America and its application in diagnostic radiology is unfamiliar to most radiologists. By comparing a control group of 103 patients with a study group of 86 patients, we found that intramuscular injection of metoclopramide is effective in reducing both gastric emptying time and small bowel transit time. Side effects were negligible in 125 patients. We also found the drug useful in gastric stasis, to differentiate between mechanical obstruction and motility disorders, in fluoroscopy of the terminal ileum, and in duodenal intubation.

Adolescent↗
PubMed1977

The radiologic diagnosis of malignant tumors of the salivary glands.

Radiologic investigation of possible salivary gland malignancy may answer in part questions concerning the lesion under study. Is it an invasive tumor, as evidenced by tissue destruction? Is the tumor intrinsic or extrinsic in origin to the salivary gland? Does the tumor extend into the deep portion of the salivary gland or beyond it into surrounding soft tissues? Sialography plays the major diagnostic role in consideration of the radiologic diagnosis of malignant tumors of the salivary glands. However, certain advanced radiologic modalities such as salivary gland scanning with sodium pertechnetate or 67Gallium citrate, as well as cervical ultrasound and computed tomography, may prove useful. This paper attempts to provide some answers to these questions.

Adult↗
PubMed1977

The radiologic diagnosis of malignant tumors of the larynx.

A variety of radiologic examinations are used to assess malignant tumors of the larynx. The primary role of radiographic examination is the pretreatment classification of laryngeal cancer, necessary to select the appropriate modality of treatment. The major radiologic modalities comprise conventional lateral radiography, anterior-posterior tomography, laryngography, xeroradiography, and high KV selective filtration radiography. Advanced radiologic modalities such as CT scanning and transverse B-mode gray scale ultrasound may also prove useful. It is the purpose of this presentation to define the role of these modalities in pretreatment definition of laryngeal cancer. Additionally, some comment is made as to the role of radiology in the diagnosis of post-radiation therapy recurrence of laryngeal cancer.

Adult↗
PubMed1975

Radiologic-pathologic correlations in laryngeal carcinoma.

Radiological examinations are a prerequisite for accurate assessment of laryngeal tumors, especially when contemplating partial (voice conservation) surgery. The clinical assessments and preoperative radiographs from five cases have been compared with the histologic findings in whole organ serial sections of the laryngectomy specimens. These studies demonstrated both the accuracies and the deficiencies of the present clinical and radiologic examination methods. The mucosal extension of tumor is accurately assessed by a combination of direct laryngoscopy and radiography. The latter mainly gives information concerning the vertical extent of tumor, especially contrast laryngography. Xeroradiography may give additional information. Deep invasion of tumor with cartilage destruction and spread outside the larynx is often not assessable preoperatively. Circumferential and symmetrical lesions may be missed radiologically as much of the interpretation is based on asymmetry. New methods must be developed to assess the deep invasion of tumor. The necessity of a close liaison between the laryngologist, radiologist, and clinical pathologist is stressed.

Aged↗