Macroscopic view chondroblastomy varies. Usually the tumor is composed of granular tissue is yellowish gray or brownish-gray color, which defines the hemorrhage and aneurysmal cyst. Seen as a bluish-gray areas corresponding to chondroidnomu matrix. Point yellowish blotches correspond homes calcification or reactive bone formation. On the periphery of the tumor is determined band sclerous bone.
Under the microscope, one or another pattern depends mainly on th... Read more »
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Chondroblastoma in most cases is localized in the epiphysis or metaepiphysis long bones. Most often affects the proximal articular ends of the humerus, femur and tibia. About 20% of patients the tumor develops in the flat or short tubular bones, primarily in the calcaneus and talus. Rarely are affected facial bone, including the temporal.
Clinical symptoms chondroblastoma characterized by the presence of progressive pain in the near joints, strengthening them... Read more »
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X-ray examination is visible to the typical picture of a malignant tumor osteolytic type. In most cases the tumor beyond the pineal gland and extends to the metaphysis. On the background of osteolysis found scattered areas of calcification in the form of dotted lines and thin trabecular pattern. Chondroblastoma usually does not extend beyond the bone, but rarely gets into the joint cavity. In the process of tumor growth is sometimes a secondary aneurysmal bone cyst.... Read more »
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he method of choice in treating of chondroblastoma is a surgical intervention. With boundary, periarticular or segmental resection of bone, which, depending on the size of the pathological focus can make removal of the tumor en bloc within the healthy tissue and maintain a functional limb.
Some patients within 3 years after relapse, the treatment is also used by curettage or resection of the tumor. Approximately 1% of chondroblasts different aggressive local ... Read more »
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