Benign neoplasm

Benign neoplasms may grow large but do not spread into, or invade, nearby tissues or other parts of the body.
Malignant neoplasms, on the other hand, can spread into, or invade, nearby tissues.
They can also spread to other parts of the body through the blood and lymph systems.
Also called tumor.

Benign mucinous tumor of the ovary

What are tumors?[edit | edit source]

Tumors are made up of extra cells.
Normally, cells grow and divide to form new cells as your body needs them.
When cells grow old, they die, and new cells take their place. Sometimes, this process goes wrong.
New cells form when your body does not need them, and old cells do not die when they should.
These extra cells can divide without stopping and may form tumor.
If the cells grow uncontrollably and start invading other cells, they are called malignant and if they do not invade, they are called benign.

Thyroid FNA, Benign, Consistent with Adenomatoid Nodule

Treatment often involves surgery. Benign tumors usually don't grow back

Tissue selection from skin excision with lesion 4-8 mm with benign appearance

Benign pancreatic mucinous cystic neoplasm

Histopathology of intraductal papillary mucinous neoplasm

Benign neoplasm Resources
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