Cancer: Types of Cancer, Types of Tumour, Benign Tumour, Malignant Tumour (For CBSE, ICSE, IAS, NET, NRA 2022)

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Types of Cancer

Types of Cancer


  • It originates from the epithelial cells.
  • It is the most common form of cancer.


  • It originates from the connective tissue.
  • This includes cartilage, fat, and bone tissues.


  • It originates from melanocytes.
  • Melanocytes are a type of cell containing pigments.

Lymphoma & Leukaemia

  • A cancer that begins in infection-fighting cells of the immune system, called lymphocytes.
  • Leukaemia is a cancer, which starts, in blood-forming tissue.

Types of Tumour

Types of Tumour

Benign Tumour

  • This tumour does not invade nearby tissue or spread to other parts of the body the way cancer can.
  • These tumors can be serious if they press on vital structures like blood vessels or nerves.

Malignant Tumour

  • These tumours grow quickly and spread to other normal tissues of the body.
  • These tumours are cancerous.
  • They develop when cells grow uncontrollably.

Premalignant Tumour

  • The cells have the potential to become malignant.
  • These tumours are cancerous.
  • The cells can grow and spread to other parts of the body.

Treatment of Cancer

Treatment of Cancer


Removal of localized cancerous mass.

Radiation Therapy

Radiation is used for killing the cancer cells.


  • These drugs are used for killing cancer cells.
  • Some of the examples are Altretamine, Bendamustine, Carmustine, etc.


Q 1. What are the three types of Tumour?


Three forms of Tumour are:

i) Benign Tumour

ii) Malignant Tumour

iii) Premalignant Tumour

Q 2. What are the six hallmarks of cancer?


Six hallmarks of cancer are:

i) Cell growth and division

ii) Continuous growth and division

iii) Programmed cell death avoidance

iv) Limitless number of cell divisions

v) Blood vessel construction promotion

vi) Invasion of tissue and formation of metastases

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