Usually, when suffering from advanced stage of colon cancer, when cancer cells invade into presacral nerve or bone metastasis, it will cause sacral pain, which is usually characterized by irregular pain, hidden pain, stabbing pain, continuous pain, intermittent pain and so on.
When colon cancer reaches advanced stage, it is easy to invade surrounding tissues, metastatic infiltration to pelvis, kidney, bladder, lumbosacral and other parts, resulting in lumbosacral pain, and due to the different parts infiltrated by cancer cells, the characteristics of its clinical manifestations of pain are also different. Sometimes it is accompanied by bilateral lower limb numbness, which is easily confused with lumbar muscle strain and sciatica.
Combined with irregular shape of stool, blood in stool pus and stool, increased frequency of bowel movement, further anal examination, colonoscopy, CT and other examinations to confirm the diagnosis of the lesion, patients are recommended to choose reasonable treatment under the guidance of doctors.
If bone metastasis is suspected, whole-body bone scan, local X-ray, CT and other examinations are recommended to determine the body part, radiotherapy surgery, and analgesic treatment to relieve patients’ pain.