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Spleen problems mistaken for liver problems | CION Cancer Clinics
An enlarged spleen is usually caused by an infection such as malaria or by liver scarring, not by cancer. The spleen sits under the left ribs and the liver under the right, but they share the same blood vessels, so trouble in one often shows in the other. This page explains the common causes, the signs that need hospital today, and the tests that tell them apart. At CION Cancer Clinics, our team goes through your scan, blood test and biopsy reports with you and plans the next step.
On this page
- Is it my spleen or my liver?
- What commonly makes the spleen bigger?
- How is a spleen problem different from a liver problem?
- How do doctors work out what is behind an enlarged spleen?
- What families often believe about the spleen, and what is true
- What this page cannot tell you
- Common questions about the spleen and the liver
The short answer
Is it my spleen or my liver?
The liver sits under the right ribs and the spleen sits under the left. An enlarged spleen, which reports call splenomegaly, is most often caused by an infection or by pressure backing up from a scarred liver, not by cancer. Because the two organs are linked by the same blood vessels, a problem in one often shows up in the other.
Why the two get confused
A swollen spleen can push forward and feel like a lump in the upper belly. Pain on the left side is often blamed on gas, the stomach or the liver. And an ultrasound report that says hepatosplenomegaly means both organs are enlarged, which leaves many families unsure which one is the real problem.
It can run the other way too
Sometimes an enlarged spleen is the first clue that the liver is in trouble. Long-standing liver scarring raises the pressure in the vein that drains the spleen, and the spleen slowly grows. So a big spleen is a reason to check the liver properly, not a reason to ignore it.
An enlarged spleen is a sign that needs a cause. It is not a diagnosis of cancer.The usual reasons
What commonly makes the spleen bigger?
Most causes are common and treatable. A few need a specialist quickly, and the blood tests usually show which group you are in.
Infections
Malaria, typhoid, viral fevers and kala-azar in some districts can all swell the spleen. It usually shrinks once the infection is treated.
Liver scarring and portal hypertension
Cirrhosis makes it hard for blood to flow through the liver. The pressure builds in the portal vein, the main vein into the liver, and the spleen enlarges. Read about portal hypertension.
Inherited blood conditions
Thalassaemia and other conditions where red cells break down too quickly make the spleen work harder and grow. These are often known from childhood.
Blood cancers
Some leukaemias, lymphoma and a group of bone marrow disorders can enlarge the spleen. They are less common than the causes above, and a blood count and a blood film are usually the first clue.
Often comes with
- Night sweats or fevers without a cause
- Weight loss you cannot explain
- Swollen glands in the neck, armpit or groin
A blocked vein
A clot in the splenic or portal vein can swell the spleen even when the liver itself is healthy. This needs a specialist to plan treatment.
Not sure whether this applies to you?
Ask an oncologistGo to hospital today if you have sudden severe pain under the left ribs, especially after a fall or a knock, or pain with dizziness, fainting or a racing heart. An enlarged spleen can tear. Also go today for vomiting blood or black stools. See a doctor this week for a fever that keeps returning, easy bruising, or a left-sided fullness that is new.
Side by side
How is a spleen problem different from a liver problem?
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What the doctor will do
How do doctors work out what is behind an enlarged spleen?
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A history and an examination
Recent fevers, travel, family blood conditions, alcohol, hepatitis and weight change. The doctor feels both sides of the belly and checks for swollen glands.
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A blood count and a blood film
These show the platelets, the white cells and the red cells, and can point to an infection, a blood disorder or a liver problem.
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Liver tests and hepatitis tests
A liver function test and tests for hepatitis B and C check whether the liver is behind it. Read about an enlarged spleen with low platelets in liver disease.
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An ultrasound with Doppler
This measures both organs and checks blood flow in the veins. It often shows whether pressure from the liver is the cause.
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Specialist tests if needed
A CT scan, an endoscopy to look for varices, or a bone marrow test may follow. CION arranges these through accredited diagnostic and hospital partners when they are needed.
Commonly believed
What families often believe about the spleen, and what is true
The liver sits on the right, but a scarred liver can swell the spleen on the left. Left-sided fullness in someone with hepatitis or heavy drinking is a reason to check the liver.
Infections and liver scarring are far more common causes in India. Blood cancer is one possibility, and a simple blood count is usually the first test that rules it in or out.
An enlarged spleen holds on to platelets, so the count in the blood falls. That is one of the commonest reasons for low platelets in people with liver disease.
Removing the spleen treats very few causes and brings its own long-term risks, including serious infections. The treatment is aimed at whatever made the spleen grow.
Being straight with you
What this page cannot tell you
It cannot tell you which organ is causing your symptoms, or whether the cause is serious. That needs an examination, a blood count, liver tests and usually an ultrasound. If a scan or blood report has already been flagged, follow it up on time, even if you feel well.
Who this page does not apply to
If you already have cirrhosis, a known blood disorder or a cancer under treatment, a change in the size of your spleen should go straight to the doctor who looks after you. Children with an enlarged spleen need a paediatrician, because the causes in childhood are different.
Who can help
A physician is the right first step for most people. Liver causes are looked after by a hepatologist, and blood causes by a haematologist. If a scan has raised the question of cancer in the liver or the abdomen, CION's medical oncologists can review your reports. See also lymphoma mistaken for liver cancer and an enlarged liver without cancer.
Carry every report in date order. A change over time tells a doctor more than any single result.Questions we are asked
Common questions about the spleen and the liver
What does hepatosplenomegaly mean on my report?
It means both the liver and the spleen look larger than expected. It describes size, not cause. Infections, liver scarring and blood conditions are common reasons. Your doctor will use your blood tests and history to work out which applies to you.
Can liver cancer make the spleen enlarged?
Usually it is the cirrhosis behind the cancer, not the cancer itself, that enlarges the spleen. A tumour pressing on or growing into the portal vein can also raise the pressure. The tumour board looks at this because it affects which treatments are safe.
Why are my platelets low if my spleen is big?
A large spleen traps more platelets than usual, so fewer are left circulating in the blood. In liver disease the liver also makes less of a hormone that tells the marrow to produce platelets. Both effects together are common in cirrhosis.
Can an enlarged spleen go back to normal?
When the cause is an infection, the spleen often shrinks once it is treated. When the cause is liver scarring or a long-term blood condition, it usually stays large, and the aim is to manage the cause and protect you from complications.
Is left-sided pain a sign of a spleen problem?
It can be, but gas, the stomach, the bowel, the kidney and muscle strain are more common causes. Fullness that is new, steady and comes with fever, bruising or weight loss needs a doctor this week. Sudden severe pain needs hospital today.
Should I avoid exercise with an enlarged spleen?
Ask your doctor before contact sports, heavy lifting or anything that risks a blow to the belly, because a large spleen can tear. Walking and gentle activity are usually fine. Wear a seat belt properly and avoid pressing on the left upper belly.
Does an enlarged spleen mean I need a bone marrow test?
Not usually. Most causes are found with a blood count, liver tests and an ultrasound. A bone marrow test is considered only when the blood count or blood film points to a marrow problem, or when the cause stays unclear after the first tests.
Who should I see about an enlarged spleen?
Start with a physician, who will order the first tests and refer you to a hepatologist or a haematologist depending on the result. If a scan or blood test has raised a question of cancer, call the CION helpline and we will help you get your reports reviewed.
Meet CION's liver cancer specialists. Bring your scan reports and liver blood tests.
Our medical and surgical oncologists plan liver cancer care together, weighing the tumour and how well your liver works before choosing surgery, a liver-directed procedure or medicines.
Dr. C. Raghavendra Reddy
MBBS(Gold Medal), DNB(General Medicine), DM(Medical Oncology)(Gold Medal)
Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
Dr. Muralidhar Muddusetty
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
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Sources
- Merck Manual Consumer Version — Portal Hypertension
- NIDDK — Symptoms & Causes of Cirrhosis - NIDDK
- NHS — Liver disease
- RadiologyInfo.org (RSNA/ACR) — Abdominal Ultrasound Exam
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
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