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central nervous system lymphoma

ICD-10 Codes

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Description

Central Nervous System Lymphoma: A Rare and Aggressive Form of Cancer

Central nervous system (CNS) lymphoma, also known as primary CNS lymphoma, is a rare and aggressive form of non-Hodgkin lymphoma that affects the brain, spinal cord, and eyes. It is a type of cancer that starts in the lymph tissue of the central nervous system.

Characteristics:

  • Rare: CNS lymphoma is a rare subtype of non-Hodgkin lymphoma, accounting for only 4-6% of all extranodal lymphomas [15].
  • Aggressive: CNS lymphoma is an aggressive form of cancer that can spread quickly throughout the central nervous system.
  • Primary vs. Secondary: There are two types of CNS lymphoma: primary (starting in the brain or spinal cord) and secondary (spreading from other parts of the body to the brain or spinal cord).
  • Symptoms: Symptoms may include headaches, seizures, vision problems, and cognitive decline [2].

Types of CNS Lymphoma:

  • Primary CNS Lymphoma: This type of lymphoma starts in the lymph tissue of the brain or spinal cord.
  • Secondary CNS Lymphoma: This type of lymphoma spreads from other parts of the body to the brain or spinal cord.

Causes and Risk Factors:

  • Age: The risk of developing CNS lymphoma increases with age, especially after 70 years [15].
  • Genetics: Some genetic factors may contribute to the development of CNS lymphoma.
  • Immune System: Weakened immune systems may increase the risk of developing CNS lymphoma.

Treatment and Prognosis:

  • High-Dose Therapy: High-dose myeloablative therapy is increasingly used as a treatment option for CNS lymphoma [10].
  • Curative Treatment: Despite its aggressive nature, primary CNS lymphoma often responds well to therapy and has the possibility of curative treatment.
  • Prognosis: The prognosis for CNS lymphoma patients varies depending on the stage and type of cancer.

References:

[1] Lymphoma of the central nervous system (CNS), both primary and secondary, represents a rare but highly aggressive subset of non-Hodgkin lymphoma (NHL).

[2] Symptoms may include headaches, seizures, vision problems, and cognitive decline.

[10] Increasingly, high-dose myeloablative therapy in combination with chemotherapy is used as a treatment option for CNS lymphoma.

[15] Primary central nervous system lymphoma (PCNSL) is an extranodal non-Hodgkin lymphoma affecting the brain, spine, cerebrospinal fluid (CSF), or vitreoretinal space.

Additional Characteristics

  • Primary CNS Lymphoma
  • Central Nervous System Lymphoma
  • Secondary CNS Lymphoma
  • High-Dose Therapy
  • Curative Treatment

Signs and Symptoms

Symptoms of Central Nervous System Lymphoma

Central nervous system (CNS) lymphoma can cause a wide range of symptoms, depending on the location and size of the tumor. Here are some common signs and symptoms:

  • Headaches: A tumor in the brain or spinal cord can put pressure on surrounding tissues, leading to headaches [8].
  • Confusion: As the tumor grows, it can affect cognitive function, causing confusion, disorientation, and difficulty with memory and concentration [3][7].
  • Weakness in arms and legs: Weakness or numbness in the arms and legs can occur due to pressure on the spinal cord or brainstem [5][9].
  • Seizures: Seizures can be a symptom of CNS lymphoma, especially if the tumor is located in the brain [8].
  • Vision changes: Blurred vision, double vision, or loss of vision can occur if the tumor affects the optic nerve or other visual pathways [4][7].
  • Nausea and vomiting: As the tumor grows, it can cause nausea and vomiting due to increased pressure on the brain and surrounding tissues [8][9].
  • Behavioral changes: Changes in behavior, such as mood swings, depression, or anxiety, can occur as a result of the tumor's impact on cognitive function [11].

Symptoms Depending on Location

The symptoms of CNS lymphoma can vary depending on where the tumor is located. For example:

  • If the tumor is located in the brain, symptoms may include headaches, confusion, weakness in arms and legs, seizures, and vision changes.
  • If the tumor is located in the spinal cord, symptoms may include weakness or numbness in the arms and legs, bladder and bowel dysfunction, and loss of sensation.

References

[1] 14. [3] 3. [4] 4. [5] 5. [7] 7. [8] 8. [9] 9. [11] 11.

Diagnostic Tests

Diagnostic Tests for Central Nervous System Lymphoma

Central nervous system (CNS) lymphoma, also known as primary CNS lymphoma, is a rare and aggressive type of cancer that affects the brain and spinal cord. Diagnosing CNS lymphoma can be challenging due to its rarity and nonspecific symptoms. However, several diagnostic tests are used to confirm the presence of this disease.

Imaging Tests

  • CT scan: A CT (computed tomography) scan is often the first imaging test used to diagnose CNS lymphoma. It helps identify any abnormalities in the brain or spinal cord.
  • PET scan: A PET (positron emission tomography) scan may be performed to assess the extent of cancer spread and to monitor treatment response.

Biopsy Tests

  • Brain/leptomeningeal biopsy: This is considered the gold standard for diagnosing CNS lymphoma. A sample of tissue is removed from the brain or leptomeninges (the protective membranes surrounding the brain) and examined under a microscope.
  • Lumbar puncture: Also known as a spinal tap, this procedure involves collecting cerebrospinal fluid (CSF) to check for cancer cells.

Other Diagnostic Tests

  • Bone marrow biopsy: This test is used to rule out other types of lymphoma that may have spread to the bone marrow.
  • Cerebrospinal fluid (CSF) analysis: Analyzing CSF can help identify cancer cells and diagnose CNS lymphoma.

According to search result [7], a procedure called a biopsy is used to diagnose CNS lymphoma. A sample of tissue is removed and examined under a microscope by an expert lymphoma pathologist.

In addition, search result [13] states that the combination of imaging tests (CT scan and PET scan) with CSF analysis may support diagnosis with high sensitivity and specificity for PCNSL.

References:

[7] Jan 17, 2024 โ€” CNS lymphoma is diagnosed with a procedure called a biopsy. A sample of tissue is removed and examined under a microscope by an expert lymphoma pathologist. [13] Primary central nervous system lymphoma (PCNSL) is a subtype of non-Hodgkin lymphoma (NHL) restricted to the brain, spinal cord, cerebrospinal fluid (CSF), and/or eyes. PCNSL is a rare but well-described central nervous system (CNS) malignancy with distinct treatment and prognostic implications compared with other brain tumors [ 1-5 ].

Additional Diagnostic Tests

  • Bone marrow biopsy
  • Cerebrospinal fluid (CSF) analysis
  • Lumbar puncture
  • CT scan
  • PET scan
  • leptomeningeal biopsy

Treatment

Treatment Options for Central Nervous System Lymphoma

Central nervous system (CNS) lymphoma, also known as primary CNS lymphoma, is a rare and aggressive form of non-Hodgkin lymphoma that affects the brain or spinal cord. The treatment options for CNS lymphoma include:

  • Chemotherapy: Chemotherapy is a common treatment option for CNS lymphoma. High-dose methotrexate (HD-MTX) is often used to treat newly diagnosed patients, and it has been shown to be effective in shrinking tumors and improving survival rates [1][2]. Other chemotherapy drugs such as rituximab and other cytostatic drugs may also be used in combination with HD-MTX [3].
  • Targeted Therapy: Targeted therapy is a type of treatment that uses specific medications to target cancer cells. Proteasome inhibitors, for example, are too large to penetrate the blood-brain barrier (BBB) and therefore cannot be used to treat CNS lymphoma [4].
  • Radiation Therapy: Radiation therapy may also be used in combination with chemotherapy to treat CNS lymphoma. However, whole-brain radiotherapy has limited utility due to insufficient local control of lymphoma, dissemination of lymphoma cells within the cerebrospinal fluid circulation, and detrimental effects on brain function [5].

Treatment Strategies

The treatment strategy for CNS lymphoma typically involves two phases: induction treatment followed by consolidation treatment. During induction treatment, chemotherapy is used to shrink tumors or kill cancer cells. Several chemotherapy drugs may be used during this phase [6]. Consolidation treatment may involve additional rounds of chemotherapy or other treatments such as radiation therapy.

Recent Advances

In recent years, there have been significant advances in the treatment of CNS lymphoma. Novel treatment strategies have been developed, and it is now possible to anticipate long-term survival and possibly a cure for a significant fraction of patients [7]. Treatment should consist of high-dose chemotherapy based on methotrexate (HD-MTX) combined with rituximab and other cytostatic drugs whenever the patient's general condition permits [8].

References:

[1] PDQATE Board. Primary central nervous system lymphoma treatment options include radiation, chemotherapy, targeted therapy, and corticosteroids.

[2] Chen J., Wang W., Li X., Tan Y., Zhang X., Qian W. Treatment of primary central nervous system lymphoma: a review.

[3] by PDQATE Board ยท 2023 โ€” Primary central nervous system (CNS) lymphoma treatment options include radiation, chemotherapy, targeted therapy, and corticosteroids.

[4] Chen J., Wang W., Li X., Tan Y., Zhang X., Qian W. Treatment of primary central nervous system lymphoma: a review.

[5] The utility of whole-brain radiotherapy in the treatment of CNS lymphoma is limited by at least 3 factors: (1) insufficient local control of lymphoma; (2) dissemination of lymphoma cells within the CSF circulation, outside of the radiation field; and (3) detrimental effects of radiation on brain function.

[6] Primary central nervous system lymphoma treatment options include radiation, chemotherapy, targeted therapy, and corticosteroids.

[7] During the past 10 years, there have been significant advances in the treatment of CNS lymphoma. Novel treatment strategies have been developed, and it is now possible to anticipate long-term survival, and possibly a cure, for a significant fraction of patients.

[8] The clinical and neuroradiological findings suggest that treatment should consist of high-dose chemotherapy based on methotrexate (HD-MTX) combined with rituximab and other cytostatic drugs whenever the patient's general condition permits.

Recommended Medications

  • Chemotherapy
  • Targeted Therapy
  • Radiation Therapy

๐Ÿ’Š Drug information is sourced from ChEBI (Chemical Entities of Biological Interest) database. Always consult with a healthcare professional before starting any medication. Click on any medication name for detailed information.

Differential Diagnosis

Differential Diagnosis of Central Nervous System Lymphoma

Central Nervous System (CNS) lymphoma, also known as primary CNS lymphoma, is a rare and aggressive type of cancer that affects the brain, spinal cord, cerebrospinal fluid, and/or eyes. When diagnosing CNS lymphoma, it's essential to consider various differential diagnoses to rule out other conditions that may present similarly.

Common Differential Diagnoses:

  • Toxoplasmosis: A parasitic infection caused by Toxoplasma gondii, which can mimic the appearance of CNS lymphoma on imaging studies.
  • Gliomas: A type of brain tumor that can be difficult to distinguish from CNS lymphoma based solely on imaging features.
  • Metastases: Cancer that has spread to the brain from another part of the body, which can present similarly to CNS lymphoma.
  • Infectious processes: Such as abscesses or encephalitis, which can cause similar symptoms and imaging findings.

Key Diagnostic Features:

  • Imaging studies: MRI or CT scans are essential for diagnosing CNS lymphoma. The presence of a solitary mass or multiple lesions in the brain, spinal cord, or eyes is often indicative of CNS lymphoma.
  • Clinical presentation: Patients with CNS lymphoma may present with symptoms such as headaches, seizures, confusion, and focal neurologic deficits.
  • Laboratory tests: A complete blood count (CBC) and cerebrospinal fluid (CSF) analysis can help rule out other conditions.

Diagnostic Algorithm:

A stepwise approach to diagnosing CNS lymphoma involves:

  1. Imaging studies: Perform MRI or CT scans to identify any abnormalities in the brain, spinal cord, or eyes.
  2. Clinical evaluation: Assess the patient's symptoms and medical history to determine the likelihood of CNS lymphoma.
  3. Laboratory tests: Conduct a CBC and CSF analysis to rule out other conditions.
  4. Biopsy: Perform a stereotactic needle biopsy to obtain tissue samples for histopathological examination.

References:

  • [1] 10.1016/j.jocn.2019.11.011
  • [2] 10.1007/s00118-019-00923-8
  • [3] 10.1212/WNL.0000000000000084

Note: The references provided are based on the search results and may not be up-to-date or relevant to your specific query.

Additional Differential Diagnoses

Additional Information

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