距骨に発生した骨腫瘍2例

抄録

We are reporting two cases of Aneurysmal bone cyst in talus.
Case 1, twenty-one years old, a female.
She has been suffering from the pain at her left ankle joint for the past two months. Roentogenograms revealed cystic lession in the trochlea of talus. At operation, cyst was found to contain fluid blood, and few spicules of bone. The lession was curreted and packed with graft taken from the patient's ilium. Microscopic examination showed large vascular channel lined with bone tissue composed of fibroblast and numerous multinuclear giant cells.
Case 2, twenty-seven years old, a female, complaind in March 1971 of pain in the ankle.
She was taken to a doctor who examined her. Jadging by the results of biopsy the doctor diagnosed the patient was suffering from malignant bone tumor. She went to our clinic. A roentgenogram of talus showed cystic lesion with irregular sclerosed area. At operation, cyst was found to contain blood fluid and bone spicules. Microscopic examination was the same as case 1.