Segmental resection (or segmentectomy) is a

surgical procedure Surgery ''cheirourgikē'' (composed of χείρ, "hand", and ἔργον, "work"), via la, chirurgiae, meaning "hand work". is a medical specialty that uses operative manual and instrumental techniques on a person to investigate or treat a pa ...

to remove part of an organ or

gland In animals, a gland is a group of cells in an animal's body that synthesizes substances (such as hormones) for release into the bloodstream (endocrine gland) or into cavities inside the body or its outer surface (exocrine gland). Structure De ...

, as a sub-type of a resection, which might involve removing the whole body part. It may also be used to remove a

tumor A neoplasm () is a type of abnormal and excessive growth of tissue. The process that occurs to form or produce a neoplasm is called neoplasia. The growth of a neoplasm is uncoordinated with that of the normal surrounding tissue, and persists ...

and normal tissue around it. In lung cancer surgery, segmental resection refers to removing a section of a lobe of the

lung The lungs are the primary organs of the respiratory system in humans and most other animals, including some snails and a small number of fish. In mammals and most other vertebrates, two lungs are located near the backbone on either side of ...

. The resection margin is the edge of the removed tissue; it is important that this shows free of cancerous cells on examination by a

pathologist Pathology is the study of the causes and effects of disease or injury. The word ''pathology'' also refers to the study of disease in general, incorporating a wide range of biology research fields and medical practices. However, when used in th ...

References

External links

Segmental resection
entry in the public domain NCI Dictionary of Cancer Terms Surgical procedures and techniques Surgical removal procedures {{oncology-stub