Chondroblastoma Symptoms
Chondroblastoma is particularly prevalent in the 20 years of age, 90% for 5 ~ 25 years old. More men than women. Local may have mild pain was intermittent, but also to the adjacent site of radiotherapy. The main symptom of Chondroblastoma is shoulder pain and restricted activity, and further swelling of the proximal humerus, macronodular tenderness. For many of the benign disease. However, in some cases of recurrence after curettage, and there is malignant, and even metastasis. Barnes reported that the recurrence rate and so on up to 7 ~ 18%, and malignant transformation rate of 3.7 ~ 4.5%. Lung metastasis many think due to the transfer after curettage due to, rather than the invasion of a rare phenomenon. Primary malignant chondroblastoma Although there are not many, but to determine the existence, it can be spontaneous benign cartilage tumor sarcomatoid change may also be secondary to radiation therapy.
Generally Chondroblastoma slow onset, long duration, no obvious symptoms or mild, occasional trauma history. There is local pain, soreness, discomfort and the neighboring joints so that limited activity, or even join thydrops. Uplift local swelling and tenderness there is. Skin temperature can be increased. Manifested as benign.
