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Fifty patients with eosinophilic granuloma of bone were reviewed. Thirty-one lesions were in the head and neck, 24 in the extremities, seven in the pelvis, and five in the ribs. The lesions were lytic with ill-defined margins, endosteal erosion, and solid periosteal reaction. The diagnoses were obtained by surgical biopsy in 36 patients and by percutaneous biopsy in 14. Twenty-six lesions were treated with radiotherapy, 14 by surgery, and nine by surgery and radiotherapy. The last 14 cases have been treated by percutaneous injection of methylprednisolone sodium succinate into the lesion. Healing was obtained in every lesion. There were no complications. [ABSTRACT FROM AUTHOR]

Ultrasound and computed tomography (CT) guided percutaneous needle biopsy of soft tissue lesions was performed in 39 patients. A correct diagnosis was obtained in 35 of 42 biopsies, with an overall accuracy rate of 83%. No false-positive diagnoses were obtained, and no complications related to the procedure were encountered. The value of this technique in the management of selected patients with soft tissue masses is detailed. [ABSTRACT FROM AUTHOR]

Four patients evaluated for obstructive jaundice had an ultrasonic examination without evidence of biliary dilatation. Subsequent percutaneous transhepatic cholangiographic examinations demonstrated an obstructive etiology without dilatation of the biliary system. Findings in these patients emphasize that the absence of sonographic biliary dilatation does not exclude the diagnosis of obstructive jaundice. [ABSTRACT FROM AUTHOR]

Intraarterial infusion of cis-platinum was evaluated in 14 patients with primary osteosarcoma because the method delivers a higher dose to the neoplasm without increasing systemic toxicity. The tumor response was evaluated by clinical examination, conventional radiography, angiography, and histopathologic examination. Eight (57%) of the 14 patients responded. Among the eight responders, four patients with medullary osteosarcoma of the extremities were treated by limb salvage operation followed by insertion of an endoprosthesis to preserve limb function. The responders are all alive with a median follow-up period of 17.5 months; six of them have no evaluable disease. The six failures died of disease after median survival of 6.5 months. Intraarterial cis-platinum infusion proved to be an effective approach in treating osteosarcoma and created the opportunity for limb salvage. [ABSTRACT FROM AUTHOR]