Publications by authors named "Siew F"

We present a case of a biochemically euthyroid male with active moderately severe thyroid associated orbitopathy who was coincidentally found to have breast carcinoma. The relationship between thyroid disease and breast carcinoma is discussed. The authors recommend that an enquiry of any breast lump or abnormality should be undertaken in all patients with thyroid disease.

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Continuous retroperitoneal bleeding may be an immediate life-threatening complication of pelvic fractures. While surgical control of the bleeding vessels has been advocated in these cases, today angiographic embolization of the branches of the internal iliac arteries is proving to be the treatment of choice. This is a relatively simple, safe, prompt and effective method of controlling the hemorrhage.

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The following paper assesses the results of pluridirectional tomograms in 50 normal females of reproductive age, as reflected by the opinions given by 4 different radiologists with major interest in the pituitary fossa. Only 16 of the 50 tomograms were uniformly read as normal. The study has merit in highlighting the 'abnormalities' of the pituitary fossa in what appear to be a group of normal controls, and to stress the phenomenon of observer variations.

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Seventeen women with prolactin levels of 100 ng/ml and above suspected of harboring prolactin-secreting pituitary adenoma, from the basis of this study. Ten patients had radiological signs of an adenoma while in 7 the radiological criteria for such a diagnosis were not fulfilled. Ovulation and pregnancy were induced with bromocriptine in all 17 patients.

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An intracerebral space occupying lesion was found in a 20-year-old woman with acute myelogenous leukemia (AML) when she was in complete hematological remission. Computerized tomography of the brain demonstrated the tumor in the roof of the third ventricle and its subsequent resolution after cranial irradiation and intraventricular cytosine-arabinoside. This form of central nervous system complication in AML has not been previously reported.

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Measurement of the regional cerebral blood flow (rCBF) by the 133Xenon inhalation method and computerised tomography were performed in 25 patients with presenile and senile dementia. Reduction of rCBF and various degrees of ventricular enlargement and cortical sulcal widening were demonstrated in the majority of demented subjects. However, there was no correlation between rCBF values and the severity of ventricular dilatation or cortical atrophy.

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Pelvic angiography was performed in 12 cases of amenorrhea and hypomenorrhea which developed following curettage of abortion and in the puerperium. Six cases of similar age and obstetric history with normal menstrual cycles served as control. Pelvic angiography revealed widespread vascular occlusion of myometrial arteries, in seven of the twelve cases.

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Angiographic and pathologic findings are presented and correlated in a case of renal cavernous hemangioma, and considered in relation to 3 other cases published previously. A normal angiogram does not exclude a cavernous hemangioma. Those tumors with a large arterial component may be demonstrated in the arterial phase of the angiogram.

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Contrast mammography, with oxygen or positive contrast material, was performed on 88 women with various diseases of the breast. The examination was done after simple mammography had failed to establish a clear diagnosis. In each case, the roentgenologic diagnosis was confirmed by histological examination.

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