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Pancreatic Cancer - Types, Symptoms, Causes, Treatments, Diagnosis

Published on Feb 10, 2020 and last reviewed on Oct 11, 2022   -  5 min read

Abstract

Pancreatic cancer is a condition where the cells in pancreatic tissue become malignant. As it does not produce any symptoms early on, it is often diagnosed late. Learn more about pancreatic cancer now.

Contents
Pancreatic Cancer - Types, Symptoms, Causes, Treatments, Diagnosis

Quick Points:

  1. Pancreatic cancer is when malignant cells replace the normal tissues of the pancreas.

  2. Smoking can increase the risk of pancreatic cancer.

  3. It is difficult to diagnose this cancer earlier, as it produces no symptoms.

  4. Jaundice, weight loss, and abdominal pain are common signs of late stages of pancreatic cancer.

  5. Adenocarcinomas are the most common pancreatic cancers.

What Is Pancreatic Cancer?

The type of cancer that originates in the tissues of your pancreas is called pancreatic cancer. The pancreas is the organ in the abdomen present behind the lower part of the stomach. This organ secretes enzymes needed for the digestion of fats, carbohydrates, and proteins, and also produces insulin and glucagon, which are the hormones that regulate the blood sugar levels. The growths or cancer that occurs in the pancreas can be cancerous or noncancerous. Pancreatic ductal adenocarcinoma, which is a type of pancreatic cancer that originates in the cells that line the pancreatic ducts, is the most common type.

Pancreatic cancer is most curable in the early stages, but as they do not cause symptoms during this stage, they are seldom detected. They usually do not produce any symptoms until cancer has spread to other organs of the body. Depending on the extent of cancer, the treatment options include chemotherapy, radiation therapy, surgery, or a combination of these treatments.

What Are the Types of Pancreatic Cancer?

Based on the type of cells affected, there are two types of pancreatic cancer:

1) Exocrine pancreatic cancer - The glands that produce digestive enzymes are called exocrine glands, and the tumor that affects the functioning of exocrine glands are called exocrine pancreatic cancer. The common cancers include:

  1. Adenocarcinomas.

  2. Adenosquamous carcinomas.

  3. Squamous cell carcinomas.

  4. Acinar cell carcinoma.

  5. Ampullary cancer.

  6. Giant cell carcinomas.

2) Endocrine pancreatic cancer - The glands formed by clusters of cells called islets of Langerhans that release the hormones insulin and glucagon are called endocrine glands. Endocrine pancreatic cancer affects the functioning of the endocrine glands. The common tumors include:

  1. Insulinomas.

  2. Glucagonomas.

  3. VIPomas.

  4. Gastrinoma.

  5. Somatostatinomas.

What Are the Signs and Symptoms of Pancreatic Cancer?

Pancreatic cancer are often very small to result in any symptoms, and the symptoms seen in the later stages are non-specific. The following are some of the symptoms seen as cancer grows:

Cancer affecting the Islet cell can make the pancreas to produce a lot of insulin, resulting in weakness, dizziness, diarrhea, and muscle spasms. New symptoms can occur when cancer spreads to other parts of the body.

What Causes Pancreatic Cancer?

DNA present in the pancreatic cells instructs the cells about what they need to do. When this DNA undergoes mutation, the cells start growing uncontrollably and continue to live longer than normal cells. This results in the accumulation of abnormal cells, which form a tumor. These abnormal cells can spread to nearby organs if left untreated.

The exact cause of this mutation is still not known, but the following risk factors seem to play a role:

How Is Pancreatic Cancer Diagnosed?

If your symptoms indicate pancreatic cancer, the doctor might suggest you undergo the following tests:

How Is Pancreatic Cancer Treated?

The goal of pancreatic cancer treatment is to remove the tumor or if that is not an option, then medicines are given to improve the quality of life and limit cancer from growing. The treatment options include:

1) Surgery:

2) Chemotherapy - It is the use of drugs to kill cancer cells. Chemotherapeutic drugs are either taken orally or injected into a vein.

3) Chemoradiation - Sometimes, a combination of chemotherapy and radiation therapy is used to shrink the tumor before surgery or after surgery to reduce the chance of recurrence or in case cancer has spread beyond the pancreas.

4) Radiation therapy - Here, high-energy X-rays and protons are used to destroy cancer cells.

5) Palliative care - A treatment plan suggested to improve the patient’s quality of life is called palliative care. It is often used with other treatments so that the patient gets better faster.

What Are the Stages of Pancreatic Cancer?

If you have been diagnosed with pancreatic cancer, the doctor will then perform various tests to identify if cancer has spread through a PET scan. Depending on the results of these tests, the doctor will then stage your cancer. The different stages of pancreatic cancer are:

  1. Stage 1 - tumors present only in the pancreas.

  2. Stage 2 - tumors spread to nearby tissues or lymph nodes.

  3. Stage 3 - cancer spread to major blood vessels and lymph nodes.

  4. Stage 4 - tumors have spread to other organs of the body.

Prognosis of Pancreatic Cancer:

With the advancement in cancer treatments, the survival rates for this type of cancer is improving. The prognosis is poor for this type of cancer, as it does not cause any symptoms. By the time it gets diagnosed, in most cases, cancer would have metastasized to other body parts. This cancer is difficult to treat and the survival rate after diagnosis is usually five years. But with newer treatment options, these numbers are getting better.

What Are the Complications of Pancreatic Cancer?

Some of the possible complications of pancreatic cancer are:

For more information on pancreatic cancer, consult a cancer specialist online now!

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Frequently Asked Questions


1.

How Is Pancreatic Cancer Manifested Initially?

- Abdominal pain radiating to the back.
- Unexplained weight loss.
- Loss of appetite.
- Dark-colored urine.
- Light-colored stools.
- Jaundice-yellowish skin and eyes.
- Tiredness.
- Bloating.
- Nausea and vomiting.

2.

Is Pancreatic Cancer Treatable?

Pancreatic cancer has a poor prognosis because it manifests symptoms only after reaching an advanced stage. In this stage, the tumor has metastasized and is difficult to cure. However, if detected early, there are 10 percent chances of becoming cancer-free with treatment.

3.

What Are the Risk Factors of Pancreatic Cancer?

Older age, family history, diabetes, obesity, sedentary lifestyle, smoking, male gender, chronic pancreatitis, alcoholism, excessive fat intake, exposure to chemicals, and deficiency of selenium and lycopene increases the risk of pancreatic cancer.

4.

What Is the Time Taken for Pancreatic Cancer to Progress From Stage 1 to Stage 4?

The advancement of pancreatic cancer depends on the type and other factors. However, it is estimated that pancreatic ductal adenocarcinoma advances from stage 1 to 4 in about a year.

5.

Can Chemotherapy Cure Pancreatic Cancer?

Chemotherapy is the most reliable treatment for pancreatic cancer, though it does not completely cure cancer. It prolongs the lifespan of the individual by contracting or diminishing the growth of cancer cells.

6.

After How Long Does Pancreatic Cancer Show Symptoms?

Pancreatic cancer usually does not display any symptoms until it has started to metastasize to distant organs.

7.

Are the Signs of Pancreatic Cancer Sudden in Onset?

Pancreatic cancer is associated with the sudden onset of diabetes or flaring up of existing diabetes because pancreatic cancer destroys the cells that synthesize insulin, which eventually increases the blood sugar level.

8.

What Foods Provoke Pancreatic Cancer?

- Processed meat.
- Red meat.
- Fatty foods.
- Oil-fried foods.
- Sugar and refined carbohydrates.
- Alcohol.

9.

Which Is the Most Efficient Treatment for Pancreatic Cancer?

Depending on the stage and type of tumor, surgery, chemotherapy, and radiotherapy are involved in treating pancreatic cancer. However, metastatic pancreatic cancer is best treated with chemotherapy. In detail, Gemcitabine is the most reliable and most common drug of choice for pancreatic choice. Also, it is used in combination with other medicines like Erlotinib, Capecitabine, Cisplatin, and Nab-paclitaxel.

10.

Can We Cure Pancreatic Cancer if Detected at an Early Stage?

If detected early, ten percent of pancreatic cancers are treatable. Stage 0, stage 1, and stage 2 tumors can be resected if possible, thereby increasing prognosis and prolonging the lifespan of individuals from 3 to 3.5 years.

11.

Does Pancreatic Cancer Have a Gender Predisposition?

Pancreatic cancer has a male gender predisposition because tobacco usage is increased in men.

12.

How Does Stool Appear in Pancreatic Cancer?

Pancreatic cancer is characterized by alternating constipation and diarrhea. Loose, light-colored, greasy, watery, and foul-smelling stools occur in diarrhea, whereas in constipation, dry, hard, and difficult-to-pass stools are seen.

13.

What Type Of Pain Is Caused by Pancreatic Cancer?

Pancreatic cancer presents with a dull aching pain in the abdomen that radiates to the upper or middle back because the body or tail of the pancreas pushes against the spine.

14.

How Severe Is Pancreatic Cancer Back Pain?

Back pain associated with pancreatic cancer is usually not permanent and occurs intermittently. As the disease progresses, back pain becomes more prevalent and persistent.

15.

Is Pain Between Shoulder Blades Observed in Pancreatic Cancer?

In addition to the radiating back pain, pain in the shoulders or pain in the area inferior to the shoulder blades are also reported in some people.

16.

How Does Pancreatic Cancer Present In a Woman?

The manifestations of pancreatic cancer are similar in males and females, with women having less risk of developing it.

Article Resources

Last reviewed at:
11 Oct 2022  -  5 min read

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