Enlarged Spleen: Causes, Symptoms, and When to Seek Medical Care

The spleen is an organ that is rarely discussed, yet it plays important roles in both the immune and circulatory systems. Although we normally do not notice it, an enlarged spleen can be a warning sign of other health problems. This condition is medically known as splenomegaly. While it is not a disease itself, it can result from underlying conditions that require medical attention.

In this article, we explain what an enlarged spleen is, why it can occur, what symptoms it may cause, and when it is important to see a doctor.

What Is the Spleen and Why Can It Become Enlarged?

The spleen is located in the upper-left area of the abdomen, just beneath the rib cage. Some of its most important functions include:

• Filtering the blood and removing old or damaged blood cells.

• Storing platelets and certain white blood cells.

• Supporting the immune system in fighting infections.

When the spleen becomes larger than normal, it may be caused by a variety of conditions. Some of the most common include:

• Infections, such as mononucleosis, hepatitis, or certain bacterial infections.

• Liver diseases, such as cirrhosis.

• Autoimmune diseases, such as lupus or rheumatoid arthritis.

• Blood disorders, including certain types of anemia, leukemia, or lymphoma.

• Problems affecting blood flow through the portal venous system or certain genetic conditions.

An enlarged spleen does not always cause symptoms at first, so it is often discovered during imaging studies performed for other reasons.

What Are the Symptoms of an Enlarged Spleen?

Some people may experience no symptoms, particularly during the early stages. However, when the spleen becomes significantly enlarged, symptoms may include:

• Pain or discomfort in the upper-left abdomen, which may radiate to the left shoulder.

• Feeling full quickly when eating, even after consuming only a small amount of food.

• Fatigue or general weakness.

• A tendency to bruise or bleed more easily, particularly if platelet levels are affected.

• Frequent infections, which may occur when certain blood cell levels are affected.

When Should You See a Specialist?

If you experience any of these symptoms or an enlarged spleen has been detected during a previous medical examination, it is important to consult a specialist.

An enlarged spleen may affect nearby organs or alter normal blood cell levels. In some cases, an enlarged spleen may also be more susceptible to rupture, which can cause serious internal bleeding and represents a medical emergency.

How Is an Enlarged Spleen Diagnosed and Treated?

Diagnosis may involve:

• Physical examination, during which a physician may be able to feel an enlarged spleen.

• Abdominal ultrasound or computed tomography (CT) scan to evaluate its size and characteristics.

• Blood tests to assess platelet, white blood cell, and red blood cell levels.

• In certain cases, a bone marrow biopsy or other diagnostic tests may be necessary to identify the underlying cause.

Treatment depends on the condition causing the spleen to become enlarged. In many cases, treatment focuses on addressing the underlying disease rather than the spleen itself.

In selected cases, particularly when there is a significant risk of rupture or the spleen is causing serious complications, a splenectomy (surgical removal of the spleen) may be considered. Depending on the individual case, the procedure may be performed using an open, laparoscopic, or robotic surgical approach.

Conclusion: An Enlarged Spleen Is a Sign, Not a Final Diagnosis

An enlarged spleen does not always cause obvious symptoms, but it may indicate an underlying condition that requires medical attention. Do not ignore persistent abdominal discomfort or unexplained changes in your overall health. Only a healthcare professional can determine the underlying cause and recommend the appropriate treatment.

At Revenant Clinic, located in Mexico City (CDMX), our specialists in general, laparoscopic, and robotic surgery are trained to evaluate and treat conditions associated with an enlarged spleen. Schedule a consultation in Mexico City and receive the medical care your health deserves.