Whether the bone tumor is soft or hard

Some of the diagnosis of bone tumors is relatively easy, only clinical examination can make a preliminary diagnosis, such as superficial osteoma, osteochondroma, etc., some have characteristics on X-ray film, according to the typical X-ray findings can get a preliminary impression such as sclerosing osteosarcoma, chondrosarcoma, etc. Some must be combined with clinical, X-ray and pathological, comprehensive analysis, to make a correct diagnosis. Therefore, clinical, X-ray and pathology are considered to be three important steps in the diagnosis of bone tumors, and sometimes one is indispensable. In particular, the decision to remove a limb should be made after a thorough examination of the above three aspects. In differential diagnosis, this disease should be distinguished from inflammation first. The MAIN points OF differentiation have the following four aspects: (1) systemic reaction: acute inflammation patients often elevated body temperature, white blood cell count increased, benign bone tumor patients normal body temperature, normal blood. Patients with some malignant bone tumors, such as undifferentiated reticulocell sarcoma or rapidly growing malignancies, also exhibit elevated body temperature and white blood cell counts. The ESR of patients with acute and chronic inflammation and bone tuberculosis is more rapid, the ESR of patients with benign bone tumors is more normal, and the ESR of patients with malignant bone tumors is more rapid. (2) Development process: inflammation gradually subside after a certain degree of development or anti-inflammatory treatment. Some benign bone tumors can stop developing after a certain degree of development, while malignant bone tumors continue to develop and destroy. It is very rare to stop or disappear spontaneously. (3) Local palpation: inflammation often produces abscesses, generally soft, obvious fluctuation. Bone tumors are generally hard or tough, with a solid touch and a clear border. The bottom of the tomb is often adhered to the bone and cannot be moved. However, some malignant tumors with abundant blood vessels or bleeding may also have a sense of fluctuation. (4) Puncture; Abscess puncture can be aspirated more pus, pus culture or smear stain can sometimes detect purulent bacteria. Tumor puncture can only suck out blood, with coarse needle puncture can sometimes suck out tumor tissue fragments. Benign bone tumors should also be differentiated from malignant ones because their prognosis and treatment are different. The differentiation points mainly have the following four aspects: (1) Systemic reaction: benign bone tumors and malignant bone tumors in addition to temperature, blood, erythrocyte sedimentation rate have differences, the former patients generally good condition, less pain, the latter patients emasculation, anemia, pain is obvious, more advanced cachexia. (2) Speed of development; Benign bone tumors generally develop slowly, and some stop developing when they reach a certain age. Malignant tumors develop rapidly, and even form huge masses, surface veins rage. (3) Whether there is metastasis: benign bone tumors generally do not have metastasis, primary malignant bone tumors are more prone to visceral and other bone metastasis. (4) as seen by X-ray; The boundary of benign bone tumor is more clear, and there is often a clear demarcation line between it and normal bone. Generally, there is no periosteal reaction, and if there is reaction, the periosteal new bone is more regular and neat. The boundary of malignant osteoma is not clear, and the boundary between the normal bone is not clear, and the periosteal reaction is disorder, and even the formation of solar radiation.

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