Although any cancer can cause paraneoplastic cerebellar degeneration (PCD), small cell lung cancer (SCLC), gynecological and breast cancers, and lymphoma (especially Hodgkin disease [HD]) is the most frequently related. A cancer diagnosis often occurs before or at the same time as the neurologic symptoms. Systemic cancer is associated with a wide variety of neurologic diseases known as paraneoplastic neurologic syndromes, which are not caused by metastases, nutritional and metabolic deficits, infections, coagulopathy, or adverse effects of treatment for cancer.



A paraneoplastic disease known as paraneoplastic cerebellar degeneration (PCD) has been linked to many tumors, including Hodgkin’s lymphoma, breast cancer, ovarian cancer, and lung cancer. Less than 1% of cancer patients have PCD, a rare illness. Similar to other paraneoplastic syndromes, PCD is thought to result from an autoimmune response directed against central nervous system tissues, primarily Purkinje cells. It is believed that it starts when tumor cells (in PCD, most frequently ovarian or breast cancer) produce proteins normally found in the cerebellum ectopically. Both an anti-tumor and an anti-neural immune response are thought to be triggered by this, the latter of which may have therapeutic significance. As target antigens in PCD, a wide range of neuronal and glial proteins have been discovered.



Similar to prior research that had shown anti-acetylcholine receptor antibodies to be harmful in myasthenia gravis, the anti-Purkinje cell antibodies that were first reported in PCD led to the idea that the antibody would be deleterious. However, it was discovered to be an intracellular protein when the antibody was used to clone the cDNA encoding the cdr2 antigen. This gave rise to the hypothesis that illness etiology may involve a cell-mediated element (T cell). Later, additional anti-Yo-positive PCD patients were shown to have cdr2 antigen-specific CD8+ T cells. These T cells are probably involved in neuronal degeneration as well as the immunological response against the tumor.

Some malignancies and antibodies seem to be directly responsible for the development of paraneoplastic cerebellar degeneration. Strong associations have been found between paraneoplastic cerebellar degeneration and Hodgkin’s disease, small-cell cancer of the lungs, breast, and gynecologic cancers. Some of these antigens may still be produced in people with paraneoplastic cerebellar degeneration even when there isn’t a tumor present. These antibodies attack Purkinje cells, resulting in brain inflammation and cell degeneration. Thiamine deficiency is linked to cerebellar degeneration brought on by nutrition/alcohol. Thiamine, generally referred to as vitamin B1, is essential for human health. Thiamine cannot be produced by humans, thus they must absorb it through their diet. Thiamine absorbs in the tiny intestines after consumption and is then deposited in the liver.

Signs and Symptoms:


The majority of people with paraneoplastic syndromes are middle-aged or older adults. They happen more frequently in patients with breast, ovarian, lymphatic, or lung cancer. These signs typically appear before a tumor or other cancerous growth is discovered. They take a few days or weeks to gradually develop. Among other neurological symptoms, dysarthria, truncal, limb and gait ataxia, and nystagmus are possible. Signs frequently appear subacutely, advance quickly over a period of weeks or months, and then reach a plateau that can linger for months or years and frequently signifies the total loss of Purkinje cells. These signs include:

  • No memory
  • Vision issues
  • Disruptions in sleep
  • Dementia
  • Seizures
  • Lack of sensation in the limbs
  • Nausea or wooziness
  • Walking or swallowing challenges
  • Muscle tone loss
  • Reduction in fine motor coordination



The majority of the time, PCD symptoms appear before the diagnosis of underlying cancer, increase quickly for weeks to months to a severely incapacitated state, and then fluctuate over a plateau period that can persist for months or years. Therefore, adequate diagnostic procedures should always be taken as soon as cerebellar ataxia first appears in order to rule out PCD. The following are indicative signs of paraneoplastic cerebellar degeneration:

  • Severe cerebellar sensations have been present for less than a year and no abnormal evidence of a size reduction in the cerebellum
  • At least a 3 on the Rankin scale, indicating that symptoms considerably impair everyday living
  • Within five years of the commencement of symptoms, there must be clinical evidence of malignancy and a confirmed diagnosis of cerebellar impairment, specifically in the brain’s trunk or hemispheres.

Homeopathic Treatment:


The use of homeopathy is growing quickly and is widespread. It cures the ill individual holistically by promoting internal homeostasis on a psychological, spiritual, emotional, and physical level. This is where its power lies because it is so obviously effective. The choice of a powerful remedy in homeopathy depends on the patient’s individual features, taking into account both physical and mental symptoms. Consider using the following homeopathic medications to treat paraneoplastic cerebellar degeneration:

  • Silicea
  • Calcarea carb
  • Gelsemium
  • Argentums nitricum

In order to treat paraneoplastic cerebellar degeneration, the underlying malignancy must be identified and treated. Early tumor excision, chemotherapy, may/or radiation may be helpful and aid in symptom reduction. It may be difficult to find effective immunotherapy with strong T cell suppression, such as rituximab and tacrolimus, as well as adjuvant therapy with steroid hormones like methylprednisolone. Small studies, however, suggest that tacrolimus and rituximab may both work to slow the course of symptoms in people with paraneoplastic cerebellar degeneration alone. Thiamine is provided combined with other B vitamins for alcoholic/nutritional cerebellar degeneration; if the patient quits drinking and resumes a regular diet, the condition usually improves. Patients with increasing symptoms may benefit from physical therapy that focuses on gait balance, balance, and strengthening to regain function and prevent long-term disability.



Sometimes patients can gain from avoiding simple carbs. This entails avoiding or consuming very little of items sweetened with corn syrup with high fructose content, sugar, and artificial sweeteners, as well as white flour, fruit juice, and pastries. Vitamin C is found in abundance in some fruits, including oranges, bell peppers, guava, kiwi fruit tomatoes, and strawberries. By reducing brain cell deterioration, vitamin C supports overall brain health.

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