Tumors grow slowly and have few symptoms. When it protrudes from the cranial cavity, orbit, nasal cavity and sinus, it can cause compression symptoms and abnormal appearance.
Stop growing as an adult. Tumors that occur outside the skull region, especially on the long bones of limbs, may eventually become malignant if they are not cured or thoroughly treated for a long time.
Most patients with malignant osteoma of the head are teenagers aged 10 ~ 25. The epiphysis of long bones usually occurs below the shoulder joint and above and below the knee joint.
Osteoma of the head begins with dull pain, and then the pain is unbearable, especially at night.
The tumor grows rapidly, the affected part is as hard as stone, the tumor is protruding, close to the bone, with purple-brown skin and raised veins on the surface, and the tumor will never fester.
The body temperature rose slightly, and due to poor sleep and loss of appetite, it soon became emaciated and tired, and soon the blood transferred to the lungs.
X-ray examination shows signs of bone destruction or new bone formation, and new bone hyperplasia is arranged radially in the sun. At the same time, X-ray examination should be done to determine whether there is lung metastasis.
When the serum alkaline phosphatase value exceeds 6-7 Poirot units in many tests, it is helpful to diagnose the disease combined with other signs.
This disease should be differentiated from the following diseases and syndromes:
Crane knee wind: knee joint swelling, severe pain, sudden cold and sudden heat, external fat and internal swelling; Often one knee heals, the other knee rises again, or crosses the joints of the whole body.
Crane knee with phlegm: born in the knee, the course of disease is slow, the knee has a dull pain, swollen as cotton; After ulceration, the outflow of thin sputum is mixed with flocculent substances.
Bone gangrene: Although it mostly occurs in long bones, it starts quickly, with high fever at the beginning and obvious local tenderness, and can fester and fester in the later stage.