Gastric lymphoma: Difference between revisions
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{{Infobox medical condition | |||
| name = Gastric lymphoma | |||
| image = [[File:Gastric_MALT_lymphoma_2.jpg|250px]] | |||
| caption = Endoscopic image of gastric MALT lymphoma | |||
| field = [[Hematology]], [[Oncology]] | |||
| symptoms = [[Abdominal pain]], [[nausea]], [[vomiting]], [[weight loss]] | |||
| complications = [[Gastrointestinal bleeding]], [[perforation]], [[obstruction]] | |||
| onset = Typically in [[adulthood]] | |||
| duration = Variable | |||
| types = [[MALT lymphoma]], [[Diffuse large B-cell lymphoma]] | |||
| causes = [[Helicobacter pylori]] infection, [[autoimmune disorders]] | |||
| risks = [[Chronic gastritis]], [[immunosuppression]] | |||
| diagnosis = [[Endoscopy]], [[biopsy]], [[imaging studies]] | |||
| differential = [[Gastric adenocarcinoma]], [[peptic ulcer disease]] | |||
| treatment = [[Antibiotics]] for H. pylori, [[chemotherapy]], [[radiotherapy]], [[surgery]] | |||
| prognosis = Generally good with treatment, varies by type | |||
| frequency = Rare | |||
}} | |||
{{DISPLAYTITLE:Gastric Lymphoma}} | {{DISPLAYTITLE:Gastric Lymphoma}} | ||
'''Gastric lymphoma''' is a type of cancer that originates in the [[lymphatic system]] and primarily affects the [[stomach]]. It is a rare form of [[non-Hodgkin lymphoma]] and can be classified into different types based on the specific lymphoid tissue involved. The most common type of gastric lymphoma is [[MALT lymphoma]], which stands for mucosa-associated lymphoid tissue lymphoma. | '''Gastric lymphoma''' is a type of cancer that originates in the [[lymphatic system]] and primarily affects the [[stomach]]. It is a rare form of [[non-Hodgkin lymphoma]] and can be classified into different types based on the specific lymphoid tissue involved. The most common type of gastric lymphoma is [[MALT lymphoma]], which stands for mucosa-associated lymphoid tissue lymphoma. | ||
== Types of Gastric Lymphoma == | == Types of Gastric Lymphoma == | ||
Gastric lymphomas are generally categorized into two main types: | Gastric lymphomas are generally categorized into two main types: | ||
=== MALT Lymphoma === | === MALT Lymphoma === | ||
[[MALT lymphoma]] is the most prevalent form of gastric lymphoma. It arises from the [[mucosa-associated lymphoid tissue]] in the stomach. This type of lymphoma is often associated with chronic [[Helicobacter pylori]] infection, which can lead to the development of lymphoid tissue in the gastric mucosa. | [[MALT lymphoma]] is the most prevalent form of gastric lymphoma. It arises from the [[mucosa-associated lymphoid tissue]] in the stomach. This type of lymphoma is often associated with chronic [[Helicobacter pylori]] infection, which can lead to the development of lymphoid tissue in the gastric mucosa. | ||
=== Diffuse Large B-Cell Lymphoma === | === Diffuse Large B-Cell Lymphoma === | ||
[[Diffuse large B-cell lymphoma]] (DLBCL) is another type of gastric lymphoma. It is more aggressive than MALT lymphoma and can arise de novo or from the transformation of a pre-existing MALT lymphoma. | [[Diffuse large B-cell lymphoma]] (DLBCL) is another type of gastric lymphoma. It is more aggressive than MALT lymphoma and can arise de novo or from the transformation of a pre-existing MALT lymphoma. | ||
== Pathophysiology == | == Pathophysiology == | ||
Gastric lymphoma develops when [[lymphocytes]], a type of white blood cell, undergo malignant transformation. In the case of MALT lymphoma, chronic antigenic stimulation, often due to [[Helicobacter pylori]] infection, leads to the proliferation of lymphoid tissue in the gastric mucosa. Over time, genetic mutations can occur, resulting in the development of lymphoma. | Gastric lymphoma develops when [[lymphocytes]], a type of white blood cell, undergo malignant transformation. In the case of MALT lymphoma, chronic antigenic stimulation, often due to [[Helicobacter pylori]] infection, leads to the proliferation of lymphoid tissue in the gastric mucosa. Over time, genetic mutations can occur, resulting in the development of lymphoma. | ||
== Clinical Presentation == | == Clinical Presentation == | ||
Patients with gastric lymphoma may present with nonspecific symptoms such as: | Patients with gastric lymphoma may present with nonspecific symptoms such as: | ||
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* [[Anorexia]] | * [[Anorexia]] | ||
* [[Gastrointestinal bleeding]] | * [[Gastrointestinal bleeding]] | ||
== Diagnosis == | == Diagnosis == | ||
The diagnosis of gastric lymphoma typically involves: | The diagnosis of gastric lymphoma typically involves: | ||
| Line 30: | Line 40: | ||
* [[Imaging studies]]: [[CT scan]] or [[MRI]] may be used to assess the extent of the disease. | * [[Imaging studies]]: [[CT scan]] or [[MRI]] may be used to assess the extent of the disease. | ||
* [[Histopathological examination]]: This is crucial for determining the type of lymphoma and its characteristics. | * [[Histopathological examination]]: This is crucial for determining the type of lymphoma and its characteristics. | ||
== Treatment == | == Treatment == | ||
The treatment of gastric lymphoma depends on the type and stage of the disease: | The treatment of gastric lymphoma depends on the type and stage of the disease: | ||
=== MALT Lymphoma === | === MALT Lymphoma === | ||
* [[Antibiotic therapy]]: For MALT lymphoma associated with [[Helicobacter pylori]], eradication of the bacteria can lead to regression of the lymphoma. | * [[Antibiotic therapy]]: For MALT lymphoma associated with [[Helicobacter pylori]], eradication of the bacteria can lead to regression of the lymphoma. | ||
* [[Radiation therapy]]: This may be used for localized disease. | * [[Radiation therapy]]: This may be used for localized disease. | ||
* [[Chemotherapy]]: In cases where the disease is more advanced or unresponsive to antibiotics. | * [[Chemotherapy]]: In cases where the disease is more advanced or unresponsive to antibiotics. | ||
=== Diffuse Large B-Cell Lymphoma === | === Diffuse Large B-Cell Lymphoma === | ||
* [[Chemotherapy]]: The standard treatment is often a combination of drugs known as [[R-CHOP]]. | * [[Chemotherapy]]: The standard treatment is often a combination of drugs known as [[R-CHOP]]. | ||
* [[Radiation therapy]]: May be used in conjunction with chemotherapy. | * [[Radiation therapy]]: May be used in conjunction with chemotherapy. | ||
== Prognosis == | == Prognosis == | ||
The prognosis for gastric lymphoma varies depending on the type and stage of the disease. MALT lymphoma generally has a favorable prognosis, especially when associated with [[Helicobacter pylori]] and treated early. Diffuse large B-cell lymphoma has a more variable prognosis and often requires aggressive treatment. | The prognosis for gastric lymphoma varies depending on the type and stage of the disease. MALT lymphoma generally has a favorable prognosis, especially when associated with [[Helicobacter pylori]] and treated early. Diffuse large B-cell lymphoma has a more variable prognosis and often requires aggressive treatment. | ||
== See also == | |||
== | |||
* [[Lymphoma]] | * [[Lymphoma]] | ||
* [[Helicobacter pylori]] | * [[Helicobacter pylori]] | ||
* [[Non-Hodgkin lymphoma]] | * [[Non-Hodgkin lymphoma]] | ||
* [[MALT lymphoma]] | * [[MALT lymphoma]] | ||
[[Category:Gastroenterology]] | [[Category:Gastroenterology]] | ||
[[Category:Lymphoma]] | [[Category:Lymphoma]] | ||
Latest revision as of 02:20, 7 April 2025
Editor-In-Chief: Prab R Tumpati, MD
Obesity, Sleep & Internal medicine
Founder, WikiMD Wellnesspedia &
W8MD's medical weight loss NYC, sleep center NYC
Philadelphia medical weight loss and Philadelphia sleep clinics
| Gastric lymphoma | |
|---|---|
| |
| Synonyms | N/A |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Abdominal pain, nausea, vomiting, weight loss |
| Complications | Gastrointestinal bleeding, perforation, obstruction |
| Onset | Typically in adulthood |
| Duration | Variable |
| Types | MALT lymphoma, Diffuse large B-cell lymphoma |
| Causes | Helicobacter pylori infection, autoimmune disorders |
| Risks | Chronic gastritis, immunosuppression |
| Diagnosis | Endoscopy, biopsy, imaging studies |
| Differential diagnosis | Gastric adenocarcinoma, peptic ulcer disease |
| Prevention | N/A |
| Treatment | Antibiotics for H. pylori, chemotherapy, radiotherapy, surgery |
| Medication | N/A |
| Prognosis | Generally good with treatment, varies by type |
| Frequency | Rare |
| Deaths | N/A |
Gastric lymphoma is a type of cancer that originates in the lymphatic system and primarily affects the stomach. It is a rare form of non-Hodgkin lymphoma and can be classified into different types based on the specific lymphoid tissue involved. The most common type of gastric lymphoma is MALT lymphoma, which stands for mucosa-associated lymphoid tissue lymphoma.
Types of Gastric Lymphoma[edit]
Gastric lymphomas are generally categorized into two main types:
MALT Lymphoma[edit]
MALT lymphoma is the most prevalent form of gastric lymphoma. It arises from the mucosa-associated lymphoid tissue in the stomach. This type of lymphoma is often associated with chronic Helicobacter pylori infection, which can lead to the development of lymphoid tissue in the gastric mucosa.
Diffuse Large B-Cell Lymphoma[edit]
Diffuse large B-cell lymphoma (DLBCL) is another type of gastric lymphoma. It is more aggressive than MALT lymphoma and can arise de novo or from the transformation of a pre-existing MALT lymphoma.
Pathophysiology[edit]
Gastric lymphoma develops when lymphocytes, a type of white blood cell, undergo malignant transformation. In the case of MALT lymphoma, chronic antigenic stimulation, often due to Helicobacter pylori infection, leads to the proliferation of lymphoid tissue in the gastric mucosa. Over time, genetic mutations can occur, resulting in the development of lymphoma.
Clinical Presentation[edit]
Patients with gastric lymphoma may present with nonspecific symptoms such as:
Diagnosis[edit]
The diagnosis of gastric lymphoma typically involves:
- Endoscopy with biopsy: This is the primary method for obtaining tissue samples for histological examination.
- Imaging studies: CT scan or MRI may be used to assess the extent of the disease.
- Histopathological examination: This is crucial for determining the type of lymphoma and its characteristics.
Treatment[edit]
The treatment of gastric lymphoma depends on the type and stage of the disease:
MALT Lymphoma[edit]
- Antibiotic therapy: For MALT lymphoma associated with Helicobacter pylori, eradication of the bacteria can lead to regression of the lymphoma.
- Radiation therapy: This may be used for localized disease.
- Chemotherapy: In cases where the disease is more advanced or unresponsive to antibiotics.
Diffuse Large B-Cell Lymphoma[edit]
- Chemotherapy: The standard treatment is often a combination of drugs known as R-CHOP.
- Radiation therapy: May be used in conjunction with chemotherapy.
Prognosis[edit]
The prognosis for gastric lymphoma varies depending on the type and stage of the disease. MALT lymphoma generally has a favorable prognosis, especially when associated with Helicobacter pylori and treated early. Diffuse large B-cell lymphoma has a more variable prognosis and often requires aggressive treatment.
