Right iliac fossa (RIF) is an
anatomicalAnatomy is a branch of biology and medicine that is the consideration of the structure of living things. It is a general term that includes human anatomy, animal anatomy and plant anatomy...
term that refers to the right-inferior part of the surface of the human
abdomenIn vertebrates such as mammals the abdomen constitutes the part of the body between the thorax and pelvis. The region enclosed by the abdomen is termed the abdominal cavity...
. It is a way of localising pain and tenderness, scars and lumps.
The right iliac fossa is a common site of pain and tenderness in patients who have
appendicitisAppendicitis is a condition characterized by inflammation of the appendix. It is a medical emergency. All cases require removal of the inflamed appendix, either by laparotomy or laparoscopy. Untreated, mortality is high, mainly because of peritonitis and shock...
.
The fossa is named for the
iliac fossaThe iliac fossa is a large, smooth, concave surface located on the internal surface of the ilium...
of the
hip boneThe hip bone, innominate bone or coxal bone is a large, flattened, irregularly shaped bone, constricted in the center and expanded above and below...
, and thus is somewhat imprecise. Most of the anatomical structures that will produce pain and tenderness in this region are not in fact in the concavity of the ileum.
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Right iliac fossa (RIF) is an
anatomicalAnatomy is a branch of biology and medicine that is the consideration of the structure of living things. It is a general term that includes human anatomy, animal anatomy and plant anatomy...
term that refers to the right-inferior part of the surface of the human
abdomenIn vertebrates such as mammals the abdomen constitutes the part of the body between the thorax and pelvis. The region enclosed by the abdomen is termed the abdominal cavity...
. It is a way of localising pain and tenderness, scars and lumps.
The right iliac fossa is a common site of pain and tenderness in patients who have
appendicitisAppendicitis is a condition characterized by inflammation of the appendix. It is a medical emergency. All cases require removal of the inflamed appendix, either by laparotomy or laparoscopy. Untreated, mortality is high, mainly because of peritonitis and shock...
.
The fossa is named for the
iliac fossaThe iliac fossa is a large, smooth, concave surface located on the internal surface of the ilium...
of the
hip boneThe hip bone, innominate bone or coxal bone is a large, flattened, irregularly shaped bone, constricted in the center and expanded above and below...
, and thus is somewhat imprecise. Most of the anatomical structures that will produce pain and tenderness in this region are not in fact in the concavity of the ileum. However, the term is in common usage.