The liver is the engine of the human body. It is basically composed of 2 types of cells (a cell is the basic building block of the human body)   hepatocytes (liver cells) and cholangiocytes (bile duct cells). It also has other supporting tissue and their respective cells. The hepatocytes are by far the most numerous cell type, not surprisingly tumours (otherwise called mass or lump.  Tumor  means lump in Latin), of this cell form the majority of abnormal growths in the liver. Abnormal growths can be benign (that is, they do not grow rapidly, spread to other parts of the organ or to other parts of the body) or malignant (grow rapidly, spread to other parts of the organ and to other parts of the body, i.e. cancer). These abnormal growths from liver cells are Focal nodular hyperplasia (FNH), Adenomas (the benign variety) and hepatocellular cancer (otherwise called Hepatoma/HCC, the cancerous type). What we need to recognize is that certain adenomas can turn into HCC, over a period of time. The other type of growths in the liver are those that have originated elsewhere in the body and spread to the liver, for example a growth of the breast spreading to the liver. These are in fact the commonest tumours of the liver. I will discuss these at a later date.

Benign growths of the liver

Common benign growths are Haemangiomas, FNH and Adenoma. Most of these are identified when a scan is performed as investigation for some other problem. Accurate diagnosis of the nature of these lumps is important to determine the type of treatment needed. This can be ascertained by a carefully selected scan like an Ultrasound, CT scan or an MRI. The technology of these scans is continuing to evolve and get better year on year. There are different types of Ultrasound, CT and MRI scans with different applications, based on whether contrast is used or not, the different phases of scanning, the type of MRI scanning sequence etc. Therefore, these scans although commonly available and used very frequently, need to be performed under the supervision of a team involving Liver doctors and radiologist who is well versed in the diagnosis of liver lumps, for accurate diagnosis without the need for unnecessary tests (Box 1).

Haemangiomas are by far the commonest. It is estimated that 5% of the adult population harbor this lump in their livers! They occur in both sexes and at all ages but are commonest between 30 to 50 years in women. Most of them are small, less than 4-5 cms in diameter and are are identified on Ultrasound. MRI and its various applications is the scan of choice for accurate diagnosis. This is crucial as most of them do not need treatment.

Focal Nodular Hyperplasia (FNH) are the second most common liver lumps. They are usually single and small (less than 4 cms) and occur in women between 35   50 years of age. About 2.5-3% of population harbor this lump in their livers. Special MRI techniques using special contrast agents is diagnostic and the findings are quite distinct from haemangiomas. Again treatment is not recommended apart from selected circumstances. Assessment in a dedicated Liver team is recommended for accurate diagnosis and a proper management plan to be formulated.

Hepatic adenomas (Hepatocellular adenoma, HCA) are rare lumps and occur in 0.2 to 0.3% of the population, again occurring mostly in young women during their reproductive period. They are again solitary and most usually 3-4 ms in diameter.

There are a couple characteristics which make this lump different from the previous 2, there is a strong relation between hormones the development of HCA and some of these HCA can turn into the malignant Hepatocellular carcinoma (HCC). Therefore, accurate characterization and diagnosis of these HCA is essential. Sometimes biopsy of the lump, molecular and genetic tests maybe necessary to determine if the HCA has a high chance of progressing to HCC. Imaging tests are generally adequate, contrast MRI Liver and its different techniques is accurate in diagnosing HCA and sub-typing it, however CT and contrast-enhanced Ultrasound is sometimes necessary along with MRI.

Generally, a HCA in a male is recommended for surgical resection. While in women, discontinuation of the OCP pill/ any other such hormone is recommended for a period of 6 months, if the HCA does not have any worrying features and size is less than 5 cms. IF HCA is larger than 5 cms and has features suggestive of a high risk for change to HCC, surgery is advised. Again these decisions have to be made as a part of a Multi-disciplinary team (Box 1)

Malignant growths beginning within the Liver

As mentioned earlier, usually malignant growths which are seen in the liver spread to it from elsewhere in the body. Hepatocellular cancer/Hepatoma (HCC) is the commonest malignant tumour beginning within the liver, as apposed to those that spread to the liver from elsewhere. It occurs between 40-70 years of age and occurs commonly in men. It is estimated that 17000 new patients develop this tumour every year in India. The vast majority (> 80%) of these develop in patients who have chronic liver disease (cirrhosis). Importantly the number of HCC cases is increasing year on year as cirrhosis due to fatty liver disease, Hepatitis B (3% of Indian population carry this virus, ie nearly 40 million individuals) and alcohol are continuing to increase in India. Nearly overall it is the 4th or 5th most common cause of cancer and the second most common cause of cancer-related death. This is continuing to increase too. We do not have a national policy in India to screen and diagnose these lumps in the liver at an early stage. Most patients present at a late stage when effective treatment is not possible.

Hepatitis B is a vaccine-preventable disease, there are good drugs to treat it and decrease the risk of cirrhosis and HCC in HBV patients, therefore it is important to test for this virus infection. The fatty liver disease can cause chronic liver damage and HCC, regular exercise and consuming a balanced diet can reduce the risk of fatty liver disease.

The usual mode of detection of these growths is when a scan is done for some other reason. Occasionally patients can develop pain in the abdomen or jaundice which leads to an investigation. The treatment of HCC depends on the extent of tumour, the extent of the chronic liver disease (the stage of cirrhosis) and the overall condition of the patient. These patients are best seen, assessed and treated in a team (Box 1) which specializes in the treatment of Liver disease.

The best treatment for HCC is surgery. However, this is suitable only for certain carefully selected patients. This can take the form of liver resection (where a portion of the liver with tumour is removed) or liver transplantation (where the whole liver is removed and a donated liver (full or partial) is replaced into the patient. Indeed surgical has excellent survival rates; more than 75% of patients survive for more than 5 years after resection or transplantation making treatment for these cancers one of the most satisfactory.

Other treatments which can be combined with surgery in selected patients or can be combined with patients not suitable for surgery are different types of Interventional radiological therapy   chemotherapy or radiotherapy delivered through fine catheters introduced into the blood vessels of the liver (TACE: Transarterial chemotherapy, TARE: Transarterial radiotherapy) and or heat energy delivered to the tumour area by means of carefully placed needles/probes (RFA: radiofrequency ablation, MWA: microwave ablation).

HCC is unique cancer as its treatment should be tailored to the patient, the treatments are varied and range from catheter-based non-invasive treatment to major surgery and transplantation. This necessitates that HCC patients are best managed in a multidisciplinary team which is highly skilled in and specializes in the management of liver diseases.

Box 1: A liver tumour multidisciplinary team   Integrated Liver Care team

The team should be one with expertise in the management of benign liver lesions and should include a Hepatologist, a Hepatobiliary & Transplant surgeon, Diagnostic and Interventional radiologists, Medical oncologist and a Pathologist.

Each member of the team must hold specific and relevant training, expertise and experience relevant to the management of benign liver lesions.

The team should be one with the skills required not only to appropriately manage these patients but also to manage the rare but known complications of diagnostic or therapeutic interventions.

The Increasing Problem Of Liver Tumours In India!

The liver is a vital body organ (the second largest) that helps in detoxification of the harmful substances and chemicals, in addition to participating in various metabolic pathways. It is normal for the liver to contain some amount of fats. The problem arises when there is an excess deposition of fats (accounting to nearly 7- 10% of the total liver weight), a condition referred to as Steatosis or Fatty Liver. Fatty liver often interferes with the normal functioning of the liver triggering serious consequences.

Types of fatty liver

Alcoholic Fatty Liver: As the name suggests, the condition is an outcome of excessive alcohol consumption.
Nonalcoholic Fatty Liver (NAFL): Here the problem or the trigger is not alcohol. The excess fat deposition in NAFL (~10 % of the total liver weight) results from the inability of the liver to break down the fat molecules.
Nonalcoholic Steatohepatitis (NASH): In NASH, the liver tends to swell up due to excess buildup of fats in the liver tissue (alcohol is not the trigger in NASH)
Acute fatty liver of pregnancy: Some pregnant women may suffer from this fatal condition (extremely rare).
Causes of fatty liver
Fatty liver is a common condition that often results from unhealthy diet and lifestyle practices. In this context, it is important to mention that unlimited alcohol consumption plays a pivotal role in various liver disorders, with fatty liver being one of the most common consequences. In fact, steatosis is one of the earliest stages associated with alcohol related Liver disease. However, fatty liver is a reversible condition that can be successfully treated if diagnosed at an early stage.

The excess deposition of fats in the liver cells can be an outcome of medical conditions such as
Besides alcohol, obesity is one of the biggest factors responsible for fatty liver. As per a survey, 1 in every 50 obese people suffers from fatty liver and other related complications (scarring, liver hepatitis or liver cirrhosis).

In addition to obesity, hyperlipidemia (a medical term used to define increased levels of lipids in the blood), high blood pressure, diabetes mellitus may have a significant role in triggering fatty liver.
Rapid weight loss or malnutrition can, more than often, give rise to fatty liver and its related disorders.
The use of certain medications such as carbon tetrachloride, tetracycline, and corticosteroids may be a contributing factor in fatty liver and associated complications.
Genetics can also play a significant role in triggering steatosis in some people.
Though fatty liver can affect children and young adults, people in the age group of 40 - 60 years are more susceptible to the condition.
Symptoms associated with fatty liver
There are no characteristic symptoms associated with fatty liver. However, in general, a person may experience
  Abdominal discomfort
  Extreme tiredness

With time, a person left undiagnosed and untreated, may exhibit the following symptoms
  A changed appetite (there is often a loss of appetite)
  Sudden weight loss (unexplained)
  Weakness
  Abdominal pain

Fatty Liver - 4 Common Types Of It!

Liver transplant in the only curative option available for patient who develop cirrhosis of liver due to any cause ( Chronic Hepatitis B , Chronic Hepatitis C, Alcoholic Cirrhosis, NASH etc). Once patient has been diagnosed with cirrhosis it can not be reversed with any non-surgical treatment . Over a period of time patient may develop worsening in liver function resulting in complications of cirrhosis (bloody vomitus, black stools, jaundice , altered sensorium, renal dysfunction, abdominal swelling etc) labeled as  decompensated cirrhosis . These patients require Liver transplant at the earliest and should be reffered to a liver transplant centre immediately. Ideally all patient diagnosed with cirrhosis should be under the follow-up of a gastroenterologist/Hepatologist. The source of graft liver can be from two sources namely from a deceased brain-dead donor or a Living-related donor and termed respectively as DDLT ( Deceased donor liver transplant) and LDLT ( Living Donor Liver Transplant) . However both DDLT and LDLT have nearly 90% success rate and both the procedures have their own benefits and lacunaes. Also the decision to go for DDLT and LDLT may vary for any particular patient. 

Before the Liver transplant 

All recipient and Living donor go thorough evaluation before the transplant process that includes blood investigations, Imaging studies, Cardiac and pulmonary fitness tests, multidisciplinary consultation before the clearance for liver transplant is achieved. The healthcare provider will explain the entire procedure. The healthcare provider is also supposed to answer all your questions. You would be needed to sign a consent form that allows the doctor to do the surgery. Eating food is not allowed at least 8 hours before the surgery. If you cannot stay relaxed before the surgery, a sedative will be given. 

After the Liver Tranplsant 
The recipient surgery lasts for anywhere between 12-16 hrs and donor surgery for 8-12 hrs. After the surgical procedure is complete, you will be taken to the intensive care unit (ICU)and will be closely watched for several days. 

Immediately After the Surgery 
You will most likely have a tube in your throat. This is so that you can breathe with the help of a machine (a ventilator) until you can breathe on your own. The ventilator tube will be removed on next morning when all parameters are found to be satisfactory. All parameters are monitored by round the clock critical care doctors and staff for a few days. The recipient has to stay in the hospital for three weeks and the donor is discharged in one week. 

Blood samples will be collected on a regular basis to check the functioning of the new liver. Antibiotics will be infused via IV channels to prevent you from infections. The area where the operation was done should always be kept clean after you have reached home. Any stitches or surgical sutures will be removed at a follow-up visit.

Complications that may arise 
Blocked blood vessels to the new liver, bleeding, an infection, leakage of bile or blocked bile ducts, or the new liver not working for a short time right after surgery are a few complications that may arise. Not to aggravate the condition, in the case of a complication, it is imperative to visit your doctor.

Liver Transplant - What To Expect Before & After The Procedure?

Just like the name suggests, Non-Alcoholic Fatty Liver Disease (NAFLD) is a set of diseases that can affect the liver due to excess accumulation of fat. One common disease that arises from this condition is known as nonalcoholic steatohepatitis. This can lead to cirrhosis as well. NAFLD is very common in the Western Countries affecting close to 100 million people annually. Although it can occur in any age group, the most affected age group being the one between 40-50 million. With this condition, the risk of getting other diseases such as cardiovascular problems and type 2 diabetes increases considerably.

Symptoms: Non-alcoholic fatty liver shows symptoms such as fatigue, enlarged liver, and pain, discomfort in the upper abdomen. Some other symptoms that have been witnessed in patients suffering from NAFLD include the development of breasts in men, swelling of the abdomen, red palms, jaundice, swelling of the blood vessels etc.

Causes: Experts have not been able to identify the exact causes of NAFLD. However, it is pretty evident that this condition only arises when the liver fails to produce bile which is responsible for digesting the fat cells. The fat in turn deposits in the liver cells resulting in NAFLD. Some of the possible causes include the following:

The resistance of insulin
Type 2 diabetes
High level of triglyceride in the blood
Obesity
Risk Factors: There is a wide array of risk factors that can pose a threat of NAFLD. Some of them include metabolic syndrome, high cholesterol, hypothyroidism, type 2 diabetes, hypopituitarism, obesity, polycystic ovary syndrome etc.

Complications: The major complications of NAFLD is liver cirrhosis. This is a condition that results in scarring of the liver cells resulting in fibrosis. Some other complications include fluid accumulation in the liver, liver cancer, swelling of the vein etc.

Diet: A mediterranean diet is a perfect diet suited for patients suffering from NAFLD. It includes nuts, fish, vegetables, grains, fruits and olive oil. Fat should be eliminated from the diet by a significant bit. It is important to add the right kind of fat in the diet. Omega-3 fatty acid available in flaxseed oil, leafy vegetables, and nuts fits the bill. Studies have shown that vitamin D and E helps a great deal in fighting liver diseases. Some other food items that should be included in the diet are green-tea, red grapes, Brazil nuts, raw garlic, wolfberry etc.

Treatment: Once the disease is diagnosed, a doctor s first endeavour is to ensure that the patient loses weight through a combination of diet and exercise. Vaccination against hepatitis A and B is the next step that a doctor would ideally suggest. For patients who are suffering from cirrhosis, a liver transplant is the only viable option to increase mortality.

What Are The Reasons Behind Non-Alcoholic Fatty Liver Disease?

The build-up of fat in the liver may lead to the development of a condition known as nonalcoholic steatohepatitis or NASH. This condition is not related to the consumption of alcohol and the inflammation is due to the buildup of fats in the liver. In most cases, there are no symptoms till the stage when the fat deposition causes inflammation and damages the liver cells. This also hinders the normal functioning of the liver and if not treated, it may lead to an extreme condition known as cirrhosis. However, NASH does not always get worse and with some precaution, it can be treated.

The cause behind the development of this disease is not alcohol consumption and it could be some environmental factor that triggers liver inflammation or heredity might be another reason. However, the risk of developing this disease is high for people who are obese, have metabolic syndrome, have high cholesterol or are resistant to insulin.

There are hardly any symptoms of NASH that are seen in the early stage of this condition. However, at a much-progressed stage, the following symptoms may be seen:

Weight loss
Fatigue and weakness
Upper abdomen pain
Diagnosing NASH requires undergoing several tests that include a blood test, a CT scan, an MRI scan and also an abdominal ultrasound.

Benefits of Ayurvedic remedies in managing NASH



There are remedies which help in detoxification of the liver. They also enhance the body s capacity to digest fats and prevent it from accumulating in the liver.
A few remedies are rich in vitamin C content as they are very effective in treating liver problems.
Some remedies are packed with the antioxidant and vitamin C. And, it is this vitamin C that helps the liver in producing the enzyme, glutathione, which neutralizes the toxins and detoxifies the liver of all of the toxins.
Some remedies contain catechins, which are known to enhance the functioning of the liver. They are great for blocking the fat stored in the liver and works wonder in fighting against diseases associated with the fatty liver disease.
There are some fruits that are effective in treating fatty liver diseases. These fruits burn the dietary fat rapidly and also improves the functioning of the liver if consumed regularly.
Some Ayurvedic remedies are a storehouse of the fat-soluble Vitamin E, and are known to protect your liver against the accumulation of fats and will keep your liver healthy.
Apart from including these natural ingredients in your diet, you will also have to reduce your body weight, reduce cholesterol level, control your diabetes, exercise regularly and stop consuming alcohol. However, home remedies are just supportive, but not a complete line of treatment for NASH so you cannot depend completely only on them. As mentioned NASH can disturb your normal liver functioning and if not treated it can lead to liver cirrhosis so take proper Ayurvedic treatment under the guidance of an Ayurvedic doctor.

In case you have a concern or query you can always consult an expert & get answers to your questions!

Nonalcoholic Steatohepatitis (NASH) - Home Remedies That Can Help Treat It!

In healthy individuals, the liver contains little or no fat. In overweight or obese people, gradual fat accumulation leads to significant liver disease. Interestingly, these individuals may be consuming minimal to no alcohol. So, alcohol, which is the main cause for liver damage, does not have a significant role to play.

The non-alcoholic fatty liver disease (NAFLD) has 4 significant stages as outlined below. It is a chronically progressive disease and may take years to reach the final stages of cirrhosis and fibrosis.

1. Simple fatty liver (steatosis): This is usually identified when diagnostic tests are done for some other suspected conditions. There are usually no symptoms obvious in this stage, other than the buildup of fat in the liver.

2. Non-alcoholic steatohepatitis (NASH): The second stage where the liver is inflamed to a greater extent due to fat accumulation.

3. Fibrosis: The next degree of inflammation where blood vessels may be narrowed leading to scarring in the liver with impaired liver functions.

4. Cirrhosis: This is the most severe stage that occurs due to years of cumulative inflammation. The liver shrinks in size, is scarred, and liver functions are markedly impaired and can also result in liver cancer.

Risk factors for NAFLD: The exact reason why a person develops NAFLD is not established, but some of the risk factors include

1. Obesity, with more weight concentrated around the abdomen

2. Type 2 diabetes

3. High blood pressure

4. High cholesterol levels

5. Age greater than 50

6. Smoking

Symptoms: This will depend on the stage in which it is identified. While there are no symptoms in the early stages, in some people there could be a dull, aching below the ribs, unexplained weight loss, weakness, and extreme tiredness. As it progresses to cirrhosis, there could be jaundice, fluid accumulation in the abdomen and feet, and itching of the skin.

Management: While there is no treatment aimed at curing the disease per se, there are ways to manage the symptoms, as noted below.

1. Weight loss: Reducing excess accumulated fat will help reverse symptoms and prevent further progression of the disease. A BMI of 18 to 26 is considered optimal.

2. Dietary changes: Modify your diet to a carbohydrates and protein rich and reduced fats and sugars. Increasing fiber through fruits and vegetables is highly recommended.

3. Exercise: Whatever your choice of workout, it will do wonders for NAFLD. Keep a target of an hour or two of moderate to intense exercise per day to reduce weight.

4. Smoking: This is another risk factor and can also help prevent other effects of NAFLD such as diabetes and heart disease.

NAFLD is highly controllable with these changes and other damages can be reversed too.

What is Nonalcoholic Fatty Liver Disease (NAFLD)?

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