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How to treat Bone cancer by Cryosurgery?

Bone Cancer is the cancer that begins in the bone. Primary bone cancer is relatively uncommon with secondary or metastatic cancer. This is cancer that occurs initially in another organ and then spreads to bone tissue.

The most common types of bone cancer includes:
– Osteosarcoma,
– Ewing’s sarcoma,
– Chondrosarcoma,
– Malignant fibrous histiocytoma,
– Fibrosarcoma,
– Chordoma

Diagnosis of bone cancer:
– Check for a complete medical history.
– A description of your symptoms can help.
– A complete physical examination can help find the cause of your symptoms.
– Testing your muscle strength.
– Sensation to touch
– Reflexes
– Certain blood tests
– Plain X-rays
Benign tumors are more likely to have a smooth border while malignant tumors have a ragged border on X-ray images.

– A CT scan
– An MRI (magnetic resonance imaging).
– Positron emission tomography (PET) scan.
– An angiogram, which is an x-ray of blood vessels.
– A bone scan.
– Obtain a biopsy sample of the tumor.
– Get examined in the laboratory by a pathologist.
– Determine what kind of tumor it is.

What is the treatment for bone cancer?
The best treatment is based on:
– the type of bone cancer,
– the location of the cancer,
– how aggressive the cancer is,
– whether or not the cancer has invaded surrounding or distant tissues (metastasized).

The main types of treatment for bone cancer:
– Surgery,
– Chemotherapy,
– Radiation therapy
– Cryosurgery
These can be used either individually or combined with each other.

Process of Cryosurgery
– This method is the use of liquid nitrogen to freeze and kill cancer cells.
– This technique can sometimes be used instead of conventional surgery to destroy the tumor.
– The application of liquid nitrogen as a local adjuvant to curettage in the treatment of bone tumors was first introduced three decades ago.
– Cryosurgery was shown to achieve excellent local control.
– It is used for a variety of benign-aggressive and malignant bone tumors.
– Cryosurgery can cause significant morbidity if performed inappropriately.

An effective and safe procedure must follow these consecutive steps:
– Adequate exposure of the tumor cavity.
– Meticulous curettage and burr drilling.
– Soft-tissue mobilization and protection.
– Introduction of LN to the tumor cavity.
– Internal fixation of the cavity after cryotherapy.
– Protection of the operated bone throughout the healing period.

Side effects
– The exposure of normal bone and soft tissues (skin, muscles, nerves, and blood vessels) to the freezing effect of LN can result in significant morbidity.
– Early studies of the use of cryosurgery in the treatment of bone high complication rates, mostly pathological fractures and infections.

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