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MRI appeared to be the single best test for the diagnosis of osteomyelitis associated with diabetic foot infections. It had a better diagnostic accuracy than conventional modalities and appeared to be more cost-effective than the frequently used Indium scan.

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Carotid endarterectomy may be undertaken with a high degree of confidence that the operation will be appropriate if the noninvasive evaluations are concordant. In the absence of concordance of the noninvasive studies, contrast angiography should be considered.

The second known case of a malignant catecholamine-secreting (DA)-secreting carotid body paraganglioma is presented. Dopamine synthesis and secretion can be increased in malignant tumors derived from neural crest cells. Whether this is true, in addition, for extra-adrenal paragangliomas is not yet clear. Malignant paragangliomas of the carotid body and larynx, although rare, frequently have been accompanied by increased catecholamine secretion. Malignant catecholamine-secreting carotid body paragangliomas are best treated by composite resection (internal carotid artery and neck dissection), with special attention being given to measures preventing severe hypertension and arrhythmias in the perioperative period.