Lymphoma occurs in which part?

Written by Liu Liang
Oncology
Updated on May 18, 2025
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Lymphoma can develop in many different parts of the body and lymph nodes, with the most common being the enlargement of superficial lymph nodes, such as those in the neck, armpits, and groin. The pharyngeal lymphatic ring, including places like the oropharynx, base of the tongue, and tonsils, also commonly exhibit lymph node enlargement in cases of lymphoma. Additionally, lymphoma frequently occurs in the nasal cavity and the mediastinum in the chest, as well as in the abdomen, including lymphomas of the gastrointestinal tract and primary lymphomas of the liver and spleen, and even the retroperitoneal mesentery and pelvic lymph nodes. The skin and bone marrow can also be primary sites for lymphoma. Thus, it can affect multiple parts of the body, with many areas being susceptible to lymphoma.

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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.

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Are all lymphomas malignant?

Tumors can be benign or malignant; malignant tumors are commonly referred to as cancer. Lymphoma, because it originates from lymph nodes or tissues or organs outside the lymph nodes, is a type of malignant tumor, and thus it is called lymphoma. All lymphomas are malignant; there are no benign lymphomas. However, based on specific pathological types, lymphomas are classified into two main categories: non-Hodgkin lymphoma and Hodgkin lymphoma, but all lymphomas are malignant.

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Is lymphoma the same as lymphatic cancer?

Lymphoma refers to a type of malignant tumor that originates in lymph nodes or extranodal tissues or organs. The cancer we usually talk about refers to malignant tumors originating from epithelial tissues, which we call cancer, such as lung cancer, liver cancer, etc. Therefore, lymphoma is actually what non-medical professionals commonly refer to as lymphatic cancer. It is simply called lymphoma instead of cancer because it originates in lymph nodes or extranodal tissues or organs, and therefore, it is termed malignant lymphoma, which in layman's terms is lymphatic cancer.

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Can people with lymphoma eat beef?

The diet for lymphoma patients isn't particularly special; it’s just like the diet of healthy individuals, with no need for specific dietary restrictions. Moreover, there aren't any prohibitions related to "hot-natured" foods as mentioned in traditional Chinese medicine. From a Western medicine perspective, the focus is simply on enhancing the patient's nutrition. This can be achieved by eating smaller, more frequent meals, and ensuring a balanced diet with a good mix of meat and vegetables. There are no special dietary taboos; all foods are permissible, provided one avoids junk food. Therefore, foods like beef and lamb are perfectly acceptable.

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Early symptoms of lymphoma

The early symptoms of lymphoma patients are primarily due to its predilection for lymph nodes, with the majority of cases initially presenting with swollen lymph nodes in the neck or collarbone area. These lymph nodes usually enlarge progressively without pain, which is the most common early clinical symptom. However, some specific types of lymphoma, such as nasal NKT lymphoma, present with localized symptoms like nasal congestion, nosebleeds, or a runny nose. There are also lymphomas originating in the stomach, part of the digestive tract, whose symptoms include upper abdominal pain, nausea, or vomiting. Furthermore, some lymphomas originate in the skin, manifesting as skin nodules. Therefore, depending on the site of occurrence, the symptoms can vary, but the enlargement of superficial lymph nodes remains the primary clinical manifestation in most cases.