cyst on spleen


Welcome to our blog post about cysts on the spleen. The spleen is an important organ in our bodies that helps filter out old and damaged blood cells, but when a cyst develops on it, it can cause discomfort and even lead to serious health issues if left untreated. In this article, we will explore the causes, symptoms, diagnosis, and treatment options of a cyst on the spleen. So let’s dive into the world of spleen cysts and learn more about this condition!

What is a cyst on spleen

The spleen, a vital organ nestled in the upper left abdomen, plays a crucial role in filtering blood, managing immune responses, and maintaining overall hematologic balance. While largely resilient, the spleen, like any organ, is susceptible to certain conditions, and one such occurrence is the development of cyst on spleen

A cyst on spleen is a fluid-filled sac that forms on or within the spleen. This cyst on spleen can vary in size, type, and origin, and their presence may be discovered incidentally during medical imaging for unrelated issues. Understanding the nature of splenic cysts, their types, causes, and potential implications is essential for proper diagnosis and management.

Types of Splenic Cysts

cyst on spleen can be classified into different types based on their characteristics, origin, and underlying causes. Here are some common types of splenic cysts:

1. Epidermoid Cysts

These cysts are lined with squamous epithelium, which is the tissue that makes up the outer layer of the skin. They may contain keratin, a protein found in skin, hair, and nails.

2. Pseudocysts

Pseudocysts are not true cysts but rather collections of fluid. They often result from trauma or injury to the spleen, leading to the accumulation of fluid.

3. Primary Cysts

Primary cysts are true cyst on speen that develop within the spleen. They can be either congenital (present from birth) or acquired over time.

4. Parasitic Cysts

These cysts are caused by parasitic infections, and echinococcosis is a common parasitic infection associated with splenic cysts. Parasitic cysts may contain the larvae of parasites.

It’s worth noting that the classification of splenic cysts may sometimes overlap, and certain cysts may have features of more than one type. The specific type of splenic cyst can influence the symptoms, treatment options, and prognosis associated with the condition.

Causes of Cysts on the Spleen

Cysts on the spleen can be caused by a variety of factors. Sometimes, they may form due to an injury or trauma to the abdominal area. Other times, cyst on spleen can develop as a result of an underlying medical condition.

The causes of cyst on spleen can vary, and in some cases, the exact cause may not be identified. Here are several potential causes and risk factors associated with the development of splenic cysts:

1. Trauma

Injury or trauma to the spleen may lead to the formation of pseudocysts. These are collections of fluid that result from bleeding or inflammatory reactions following trauma.

2. Congenital Factors

Some cysts on the spleen may be present from birth (congenital). These cysts may develop during fetal development.

3. Infections

Parasitic infections, such as echinococcosis, can lead to the formation of cyst on spleen. Parasitic cysts may contain the larvae of the parasites.

4. Inflammatory Conditions

Inflammatory diseases affecting the spleen may contribute to the development of cyst on spleen

5. Unknown Causes (Idiopathic)

In many cases, the exact cause of splenic cysts remains unknown. These cases are referred to as idiopathic, meaning that the cause cannot be definitively identified.

6. Previous Surgery

Prior surgeries involving the spleen or nearby structures may increase the risk of developing of cyst on spleen.

7. Autoimmune Diseases

Certain autoimmune diseases or disorders that affect the spleen may be associated with the formation of cyst on spleen. Autoimmune disorders like rheumatoid arthritis and lupus can lead to inflammation around the spleen that could ultimately contribute to the development of splenic cysts.

8. Cysts in Other Organs

Cysts in other organs, such as the liver, may sometimes extend to involve the spleen.

9.  Hereditary Spherocytosis

One potential cause is hereditary spherocytosis, which is a genetic disorder that affects the red blood cells and leads to damage in the spleen over time. Another possible factor is polycystic liver disease, which causes multiple cysts throughout the liver and occasionally in other organs such as the spleen.

It’s important to note that many splenic cysts are asymptomatic and are often discovered incidentally during medical imaging for unrelated issues. 

Symptoms of Cyst on Spleen

Early Symptoms

1. Asymptomatic

cyst on spleen is often asymptomatic, especially when they are small and do not cause any disruption to the normal functioning of the spleen.

2. Discomfort or Tenderness

Early symptoms of cyst on spleen may not be noticeable in some cases. However, when they occur, they can include discomfort or tenderness in the upper left abdomen area. A person may also experience a feeling of fullness after eating small amounts of food.

3. Weight Loss and Fatigue

Other early symptoms include unexplained weight loss and fatigue. A person with a cyst on spleen may feel tired all the time even if they have not done any physical activity. They may also feel weak or dizzy.

late symptoms

A sudden fever could be another sign of complications related to a cyst on the spleen; especially if it’s accompanied by chills or sweating at night-time.

1. Weight Loss

Weight loss and appetite changes may occur too since there’s no proper digestion of food nutrients that get absorbed into our bloodstream through our damaged spleens; thus leading to malnutrition conditions eventually.

2. Abdominal Pain

As cyst on spleen grow larger, they may exert pressure on surrounding organs or stretch the spleen’s capsule, leading to abdominal pain or discomfort.

3. Abdominal swelling

If you have a large cyst on spleen, you may experience abdominal swelling or bloating due to pressure from the cyst pushing against other organs in the area such as the liver or stomach. In some cases, this kind of pressure can also cause difficulty breathing.

4. The feeling of Heaviness

Larger cysts may cause a sensation of heaviness or fullness in the left upper abdomen.

5. Pain Radiating to the Left Shoulder

In some cases, the pain associated with larger cysts may radiate to the left shoulder or back.

6. Infection and Fever

If a cyst on spleen becomes infected, individuals may experience symptoms of infection, including fever, chills, and malaise.

7. Nausea and Vomiting

Pressure on the stomach or other nearby organs may lead to nausea and vomiting.

8. Anemia

In cases where the cyst on spleen causes bleeding into the spleen, individuals may develop anemia, characterized by fatigue, weakness, and pallor.

9. Complications

Rupture of the cyst on spleen can lead to severe abdominal pain, internal bleeding, and other complications.

It’s crucial to note that the symptoms of cyst on spleen can vary widely, and some individuals may remain entirely asymptomatic. The size, type, and location of the cyst, as well as whether it becomes infected or ruptures, can influence the nature and severity of symptoms. 

Diagnosis of a cyst on the spleen

The diagnosis of a cyst on spleen typically involves a combination of a medical history review, physical examination, and various imaging studies. Here are common steps and methods used in the diagnosis of splenic cysts:

1. Medical History and Physical Examination

The healthcare provider will inquire about symptoms, risk factors, and relevant medical history. A physical examination may be performed to assess abdominal tenderness and other signs.

2. Imaging Studies

i. Ultrasound 

This is often the initial imaging modality used to visualize the spleen and detect the presence, size, and characteristics of the cyst on spleen.

ii. CT Scan (Computed Tomography)

CT scans provide detailed cross-sectional images of the spleen, helping to identify the location, size, and features of the cyst on spleen. It can also help rule out other potential causes of symptoms.

CT scan

iii. MRI (Magnetic Resonance Imaging)

MRI can provide additional details and is particularly useful in assessing soft tissues. It may be used when further characterization of the cyst is needed.

MRI machine

3. Blood Tests

Blood tests may be conducted to assess for signs of infection or other underlying conditions. A complete blood count (CBC) may be done to check for changes in blood cell counts.

4. Fine Needle Aspiration (FNA)

In some cases, a fine needle aspiration may be performed. This involves using a thin needle to withdraw a sample of fluid from the cyst for laboratory analysis. FNA can help determine the nature of the fluid within the cyst on spleen.

5. Biopsy (if needed)

A biopsy involves taking a small tissue sample from the cyst for microscopic examination. Biopsies are less commonly performed but may be considered in certain cases.

6. Differential Diagnosis

The healthcare provider will consider other conditions that can present with similar symptoms, such as tumors or abscesses. The combination of these diagnostic methods helps healthcare professionals accurately characterize the cyst on spleen, determine its type, and assess whether it is causing symptoms.

Once a diagnosis is established, the healthcare team can develop an appropriate treatment plan based on the specific characteristics of the cyst and the individual’s overall health. 

Treatment of Spleen Cyst

The treatment of a cyst on spleen depends on various factors, including the type of cyst, its size, whether it is causing symptoms, and the overall health of the individual. Here are common treatment approaches for splenic cysts.

1. Observation

Small, asymptomatic cysts that are discovered incidentally may not require immediate intervention. Periodic monitoring through imaging studies, such as ultrasound or CT scans, may be recommended to track any changes in the cyst’s size or characteristics.

2. Aspiration (Drainage)

If the cyst is causing symptoms or is large enough to be a concern, a healthcare provider may recommend draining the fluid from the cyst using a fine needle aspiration (FNA).

Aspiration can provide relief from symptoms and may also be done for diagnostic purposes, analyzing the fluid to identify the cyst type and rule out infection.

3. Sclerotherapy

Sclerotherapy involves injecting a substance (sclerosing agent) into the cyst to induce scarring and collapse of the cyst walls. This procedure is sometimes used for certain types of cysts to prevent recurrence.

4. Surgery (Cystectomy)

Surgical removal of the cyst (cystectomy) or, in some cases, removal of a portion of the spleen (partial splenectomy) may be recommended for larger cysts or those causing significant symptoms. Surgery is also considered if there are complications such as infection or if the cyst is suspicious of malignancy.

5. Medication

Antibiotics may be prescribed if the cyst is infected. Medications to manage pain or inflammation may be recommended if these symptoms are present.

6. Parasitic Cysts

In the case of cysts caused by parasitic infections, specific antiparasitic medications may be prescribed.

It’s important for individuals with splenic cysts to discuss treatment options with their healthcare provider. The choice of treatment will depend on individual circumstances and the characteristics of the cyst. 

Do Splenic Cyst Should be Removed

Most of the cyst on speen are benign and do not cause any symptoms, but in some cases, they may grow large enough to cause discomfort and pain.

The decision to remove a spleen cyst depends on several factors such as its size, location, and risk of rupture. In general, small asymptomatic cysts don’t need treatment unless there’s a high chance of complications.

If the spleen cyst is causing severe pain or other symptoms like fever or nausea, surgical removal may be necessary. Surgery involves removing either part or all of the affected organ depending on how much damage has occurred.

However, those who undergo splenectomy (removal of the entire spleen) must take certain precautions after surgery as they’re more susceptible to infections from bacteria that their immune system would normally fight off with ease.

Whether a spleen cyst should be removed or not entirely depends on its severity and potential risk factors associated with it. It is always best to consult your doctor if you experience any unusual pain in your abdominal area so that you can get prompt medical attention before things become worse.

is a Cyst on the Spleen Can be Cancerous?

A cyst on the spleen is not usually cancerous. In fact, most of the time these types of cysts are benign and do not cause any serious health problems. However, in rare cases, a cyst on the spleen can turn out to be cancerous.

If you have been diagnosed with a cyst on your spleen, it is important to get regular check-ups with your doctor in order to monitor its growth and any changes in shape or size. If there are any concerning changes that occur over time, further testing may be necessary to determine if the condition has become cancerous.

It’s worth noting that even if a cyst does turn out to be cancerous, early detection and treatment can greatly increase the chances for successful recovery. This is why it’s so important to keep up with routine medical care and follow-up appointments with your healthcare provider.

While a cyst on the spleen has the potential to become cancerous in extremely rare cases; most often these types of growths pose no significant threat and can typically be managed through monitoring alone.


In summary, a cyst on the spleen is not an uncommon occurrence and can develop for various reasons. Early diagnosis and treatment are vital in preventing complications such as infection or rupture. Treatment options depend on the size, location, and symptoms of the cyst but may include monitoring with regular imaging tests, surgical removal of the cyst, or even splenectomy in some cases.

It’s essential to consult a doctor if you experience any concerning symptoms related to your spleen or abdomen. Remember that early intervention is key to managing splenic cysts successfully.

While most spleen cysts are non-cancerous, it’s crucial to receive proper medical attention and follow-up care as needed. With prompt treatment and management from healthcare professionals, individuals diagnosed with a spleen cyst can expect full recovery without significant long-term effects.

In many cases, a cyst on spleen is not serious, especially if it is small, asymptomatic, and discovered incidentally. However, larger cysts or those causing symptoms may require medical attention. The seriousness depends on factors such as the type of cyst, size, symptoms, and potential complications. Treatment options range from observation to surgical removal, depending on individual circumstances. Consultation with a healthcare professional is essential for accurate diagnosis and appropriate management.

A cyst on the spleen can be caused by various factors, including trauma, congenital factors, infections (such as parasitic infections like echinococcosis), inflammatory conditions, and, in some cases, the exact cause may be unknown (idiopathic).

Treatment for a cyst on the spleen depends on factors like size and symptoms. Options include observation, drainage (aspiration), sclerotherapy, or surgical removal. Consultation with a healthcare professional is crucial for personalized advice.

Having cysts on the spleen is not considered normal, but it’s not uncommon. Many splenic cysts are asymptomatic and are discovered incidentally during medical imaging for unrelated issues. While some cysts may be present from birth (congenital), others may develop over time due to factors such as trauma, infections, or inflammation.

Small asymptomatic cysts on the spleen may remain stable or even resolve on their own without intervention. However, larger or symptomatic cysts may require medical attention, and treatment options can include drainage, sclerotherapy, or surgical removal. The potential for a cyst to go away without treatment depends on its size, type, and underlying cause. Regular monitoring and consultation with a healthcare professional are important for appropriate management.

Most spleen cysts are benign (non-cancerous), and the majority are not associated with cancer. However, it’s important to note that some types of cysts or lesions on the spleen may mimic the appearance of cystic tumors. Additionally, in rare cases, certain conditions that affect the spleen may be associated with a higher risk of malignancy.

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