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Liu Liang
Oncology
About me
Loudi Central Hospital, Oncology Department, attending physician, has been engaged in clinical work in the field of oncology for many years, and has rich clinical experience in the diagnosis and treatment of oncologic diseases.
Proficient in diseases
Specializes in common diseases such as lung cancer, liver cancer, stomach cancer, breast cancer, colon cancer, and lymphoma.
Voices
Can ovarian cancer be detected by transvaginal ultrasound?
Ovarian cancer can generally be detected through a transvaginal ultrasound. During this procedure, we can find cystic or cystic-solid, or a solid mass in the ovaries. If a blood test for tumor markers shows a significant increase in CA125, especially in combination with a large amount of ascites, we must strongly suspect ovarian cancer. In such cases, patients should undergo a tumor biopsy. By taking a biopsy and confirming it pathologically, we can definitively diagnose ovarian cancer. Therefore, most ovarian cancer patients can indeed be detected through a transvaginal ultrasound.
How is Hodgkin's lymphoma treated?
The treatment of Hodgkin's lymphoma is based on various factors including the stage of the disease as well as the general condition of the patient, among other comprehensive considerations. For patients with early stage Hodgkin's lymphoma, commonly referred to as localized Hodgkin's lymphoma, the treatment principle is a combination of chemotherapy and radiotherapy. A rational comprehensive treatment can achieve a five-year survival rate of 80% to 90%. For advanced-stage patients, such as those with stage IV Hodgkin's lymphoma, the treatment primarily consists of systemic chemotherapy. Therefore, the choice of a specific treatment plan must also consider a variety of factors based on the patient's overall condition.
Is chemotherapy effective after the recurrence of ovarian cancer?
After the recurrence of ovarian cancer, most patients can still benefit from chemotherapy again, as ovarian cancer itself is relatively sensitive to chemotherapy compared to other types of malignant tumors. If the recurrence occurs more than six months after the initial treatment, the same chemotherapy drugs used initially can still be chosen. However, if the recurrence happens within six months, the chemotherapy plan should include different drugs that were not used previously.
How is ovarian cancer diagnosed?
Ovarian cancer is discovered through transvaginal ultrasound of the adnexa uteri revealing ovarian tumors, or through imaging studies such as abdominal CT scans or MRIs showing ovarian tumors, combined with tumor markers, particularly the ovarian epithelial cancer tumor marker CA125, which will be significantly elevated. Generally, with these findings, ovarian cancer can typically be clinically diagnosed. Confirmation, however, requires pathological diagnosis, which involves obtaining a biopsy of the tumor. This can be done through a puncture biopsy or through pathological examination after surgical excision to confirm ovarian cancer. Additionally, some patients with ovarian cancer present with substantial ascites at the time of discovery. If cancer cells are found in the abdominal fluid, combined with a significant increase in CA125 and imaging studies showing ovarian tumors, ovarian cancer can also be diagnosed.
Is prostate cancer prone to metastasis?
Prostate cancer most commonly metastasizes to bones, with multiple bone metastases frequently observed clinically. In fact, the majority of prostate cancer patients already have multiple bone metastases by the time they are diagnosed. Therefore, bone is the most common distant organ to which prostate cancer spreads. Other distant organ metastases, such as to the lungs and liver, are less common, unless in very advanced stages of the disease. Additionally, prostate cancer commonly invades locally, spreading to nearby pelvic structures and tissues, such as the bladder and rectum, which is a common form of local invasion and spread.
Causes of Malignant Lymphoma
The causes of malignant lymphoma are the result of multiple factors. First, it is associated with infections by bacteria or viruses, such as the well-documented chronic infection with Helicobacter pylori, which is closely related to the occurrence of lymphoma associated with the gastric mucosa. Second, immunodeficiency conditions, like in AIDS patients or those who have been taking immunosuppressive drugs for a long period, have a higher likelihood of developing malignant lymphoma compared to the general population. Third, chemical or physical factors, such as environmental carcinogens and electromagnetic radiation, can also lead to malignant lymphoma. Other factors, such as long-term use of certain drugs like phenytoin or pseudoephedrine, and a genetic predisposition, can also be causes of malignant lymphoma.
How is prostate cancer formed?
The causes of prostate cancer are not yet very clear. According to relevant data analysis, the occurrence of prostate cancer may be related to prostate gonorrhea, infections with viruses or chlamydia, as well as the intensity of sexual activity and the impact of hormones. On the other hand, a high-fat diet and some occupational factors are also somewhat related to the disease. Therefore, the formation of prostate cancer is the result of multifactorial influences including environmental and genetic factors, personal lifestyle habits, and dietary habits, all of which are significantly interconnected.
Can prostate cancer be cured?
Early-stage prostate cancer patients can achieve a cure through radical surgery or radical radiotherapy and other treatment methods. Therefore, whether prostate cancer can be cured is related to the stage of the patient's condition. Early-stage prostate cancer patients can be cured through radical surgery or radical radiotherapy. If the cancer is diagnosed at a late stage, with extensive pelvic metastasis or multiple bone metastases, treatment for these late-stage prostate cancer patients primarily revolves around endocrine therapy. Most patients respond well to endocrine treatment; however, for these late-stage prostate cancer patients, the treatment aims to alleviate symptoms and extend survival. Through these treatments, a cure is not achievable.
Can prostate cancer be detected by a CT scan?
If a CT scan is performed for prostate cancer, it usually can detect the tumor in the prostate, especially an enhanced CT scan will show enhancement. However, to confirm the diagnosis, it is still necessary to perform a prostate biopsy to find cancer cells. Only with the detection of cancer cells can prostate cancer be diagnosed. Additionally, a blood test for the tumor marker PSA, which generally increases, can be used in combination with these findings for a comprehensive evaluation. The definitive diagnosis of prostate cancer requires a biopsy to find cancer cells, which is the gold standard for diagnosing prostate cancer.
Ovarian cancer pain symptoms
In the early stages of ovarian cancer, the symptoms can be quite hidden, and the patient may not feel any discomfort at all. However, as the tumor grows and ascites develops, the patient typically may experience abdominal bloating, or a palpable mass may be felt in the pelvic or lower abdominal area. At this point, symptoms such as pain in the lower abdomen may occur, especially when there is a substantial amount of ascites, leading to clinical symptoms like abdominal bloating and pain. In even more advanced stages of ovarian cancer, the tumor may invade surrounding pelvic organs, potentially causing partial intestinal obstruction or symptoms of pelvic compression. With conditions like intestinal obstruction, there will be significant abdominal pain, possibly accompanied by vomiting, especially after eating, which can exacerbate the symptoms.