P K Macintosh

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With close cooperation between the clinician, radiologist, and pathologist, and with exacting attention to detail, the combined techniques of interventional radiology and diagnostic cytopathology can provide a definitive diagnosis in a large variety of clinical situations. Undoubtedly, the increasing interest in utilization of these methods will expand the(More)
Myocardial infarctions were produced in dogs by occluding the left anterior descending artery; the dogs were killed at varying times, from 30 minutes to 8 days. Prior to sacrifice, Thioflavin S was injected intravenously. The excised heart was scanned by a B-scanner interfaced with a computer that permitted quantification of signal amplitude. The heart was(More)
A review of 205 abdominal computed tomographic (CT) scans in 83 patients with gastric or ovarian neoplasms was performed in order to assess their contribution to management. Assessment of scan accuracy was based on results of invasive procedures, clinical data, and double-blind re-reporting. Scans appeared to be of greater value in patients with ovarian(More)
Percutaneous transperitoneal biopsy of retroperitoneal lymph nodes is a fast and well tolerated procedure to improve the diagnosis of metastasis for staging primary tumours and general lymphatic disease. In 303 patients examined by lymphography and biopsy, cytology disclosed metastases in almost twice as many patients as lymphography alone. By combining(More)
Fine needle aspiration biopsy of retroperitoneal lymph nodes was performed in 47 patients with abnormal lymphograms during the course of evaluation for metastatic disease. The biopsies were positive for malignant tumor in 11 patients. Utilizing established cytopathologic criteria a definitive diagnosis could be established. Fine needle aspiration of(More)