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73
Gong Chun
Oncology
About me
Hunan University of Chinese Medicine First Affiliated Hospital, Department of Oncology, Attending Physician, has been engaged in clinical work in oncology for many years, with rich clinical experience in the diagnosis and treatment of common oncological diseases.
Proficient in diseases
Specializing in common cancers of the respiratory system, digestive system, urinary system, and circulatory system.
Voices
Symptoms of thyroid cancer
The symptoms of thyroid cancer, the first point is the clinical manifestations of differentiated thyroid cancer. Most differentiated thyroid cancers are asymptomatic, with only occasional palpable nodules of varying sizes and textures, which can sometimes be detected in routine physical and imaging examinations. A few advanced thyroid cancers may produce noticeable symptoms due to large nodules or invasion of surrounding organs, such as compression of the trachea causing breathing difficulties, difficulty swallowing due to pressure on the esophagus, and hoarseness due to compression of the recurrent laryngeal nerve. The second point concerns the specific clinical manifestations of medullary thyroid carcinoma. The specific symptoms of medullary thyroid cancer include persistent watery diarrhea, not accompanied by severe malabsorption in the large intestine, often with facial flushing, some endocrine syndromes, and some associated conditions such as pheochromocytoma, multiple mucosal neuromas, and parathyroid adenomas.
What is good to eat for lung cancer?
For dietary recommendations regarding lung cancer, the first suggestion is to maintain a regular diet and lifestyle with a routine schedule, focusing on easy-to-digest and absorbable foods. The second suggestion is to enhance nutrition intake, for instance, by consuming more eggs, milk, and other high animal protein foods, such as quality protein sources. The third suggestion is to eat more healthy green foods, such as vegetables and fruits, focusing on fresh items. The fourth point is to advise against smoking and drinking alcohol, and to consume fewer irritating foods.
Breast cancer chemotherapy regimen
Breast cancer chemotherapy regimen. Thus, chemotherapy occupies a very important position in the treatment of breast cancer. The commonly used chemotherapy drugs in breast cancer treatment include alkylating agents, such as cyclophosphamide; antimetabolites like fluorouracil, methotrexate, gemcitabine, and capecitabine; anthracyclines, such as doxorubicin and others. In recent years, taxanes, particularly docetaxel, have been used more frequently. Other drugs include mitomycin and cisplatin, among others. However, the specific chemotherapy regimen for breast cancer should be assessed by a professional oncologist. The regimen should consider the pathological stage, pathological type, whether surgery was performed, whether the surgery completely removed the tumor, lymph node metastasis, and other factors to devise a suitable chemotherapy plan. Therefore, it is possible that each individual might have a regimen that is specifically suited to their situation, and not all regimens are suitable for everyone.
What are the symptoms of ovarian cancer?
Ovarian cancer often does not present symptoms in its early stages and can be detected during gynecological examinations. Secondly, as the tumor grows, it can cause abdominal swelling and discomfort, and abdominal masses may be felt during examinations. Ascites may also develop. The severity of these symptoms depends on the size and location of the tumor, the nearby organs it invades, and the histological type of the tumor. Thirdly, if the tumor infiltrates or compresses surrounding tissues, it can also lead to abdominal pain, back pain, and pain in the lower extremities. If it compresses the pelvic veins, swelling in the lower limbs may occur. If the tumor is functional, it can produce symptoms related to excess estrogen or androgen. In its later stages, the condition may manifest as cachexia and severe anemia, among other signs of a severe illness state.
Self-exam method for cervical cancer
There aren't many methods for self-examination of cervical cancer. If symptoms such as vaginal bleeding or discharge occur, it is crucial to visit a hospital for a gynecological examination promptly. Of course, the diagnosis of cervical cancer should still rely on the examination by specialist doctors at hospitals. There are cytological examinations of cervical scrapings available, as well as examinations of cervical and endocervical tissue to confirm whether it is cervical cancer or not. Particularly, the examination of cervical and endocervical tissue is the main basis for confirming cervical cancer. Therefore, we should still undertake pathological examinations to confirm whether it is cervical cancer or not, rather than relying solely on self-examination to diagnose cervical cancer.
Early treatment methods for ovarian cancer
The treatment methods for early-stage ovarian cancer should first and foremost include a clear diagnosis and staging. If the staging indicates an early stage, then surgical treatment can be applied. There are many surgical options available, such as cytoreductive surgery, interval debulking surgery, second-look laparotomy, and direct tumor cell reduction surgery. After the surgery, adjuvant chemotherapy can be administered for treatment.
Causes of Thyroid Cancer
Regarding the causes of thyroid cancer, they are similar to most malignant tumors. The etiology of thyroid cancer is currently unclear, but some factors have been found to be associated with the onset of thyroid cancer. The first factor is neck radiation; the thyroid is an endocrine organ that is sensitive to radiation, so radiation exposure may cause carcinogenic changes in thyroid cancer cells. The second factor is genetics; some thyroid cancers have a clear genetic predisposition, the most typical being medullary thyroid cancer, with about 25% of patients showing familial clustering, known as familial medullary thyroid cancer. The third factor is that the rapid increase in the incidence of thyroid cancer also has some reasons, with one recognized reason being advancements in early diagnostic methods, allowing for the easy detection of numerous early lesions. The fourth is iodine intake, which has been shown to be related to some benign diseases of the thyroid, but its relationship with thyroid cancer itself needs further study.
What are the symptoms of lung cancer?
The most common symptoms of lung cancer include coughing, particularly irritating coughs, and symptoms of coughing up blood. The blood in the sputum may appear as spots, streaks, or intermittent small amounts. Other symptoms include difficulty breathing and chest pain, as well as potential tightness in the chest, shortness of breath, and fever. Secondly, if lung cancer grows within the thoracic cavity and spreads, invading nearby tissues and organs, it can produce secondary symptoms. For example, paralysis of the phrenic nerve on the same side may lead to difficulty breathing and belching. Compression of the recurrent laryngeal nerve may cause hoarseness; compression of the superior vena cava can lead to distended veins in the face, neck, and upper limbs; subcutaneous edema; and if the pleura is invaded, it can cause pleural effusion, among other symptoms. If lung cancer metastasizes through the bloodstream, it may spread to the brain and potentially lead to symptoms such as headaches, nausea, and vomiting. Metastasis to different regions of the brain might cause various symptoms, including seizures, mental confusion, and vision impairment. In a minority of cases, lung cancer may produce endocrine substances, possibly leading to symptoms like severe muscle weakness, bone and joint pain, and other such symptoms.
Late-stage symptoms of cervical cancer
The symptoms of advanced cervical cancer start with vaginal bleeding. In the later stages, the bleeding becomes irregular and possibly heavy. The second symptom is vaginal discharge. In advanced stages, due to cancerous tissue necrosis accompanied by infection, there can be a large amount of foul-smelling, watery, or purulent discharge. The third point about advanced symptoms depends on the extent of the cancerous area involved. Secondary symptoms may appear depending on the adjacent tissues, organs, and nerves affected, including frequent urination, urgency, constipation, swelling and pain in the lower limbs. When the tumor compresses or involves the ureter, it can cause ureteral obstruction, hydronephrosis, and uremia. In the advanced stages, patients may experience symptoms of systemic failure like anemia and cachexia.
Cervical Cancer Staging Criteria
For the staging of cervical cancer, the staging criteria of the International Federation of Gynecology and Obstetrics (FIGO) are now adopted. Staging should be done before treatment, and since the FIGO staging of the cervix mainly relies on the examination of the pelvis, it is emphasized that the pelvic examination must be performed by two senior gynecologic oncologists. The staging primarily involves assessing the size of the cervical lesion, particularly the measurement of endophytic tumors, parametrial tissue infiltration, and the status of pelvic lymph nodes. However, these stages mainly rely on radiological examinations, primarily magnetic resonance imaging (MRI), to provide objective data for staging.