Loading AI tools
Medical condition in which organs are larger than normal From Wikipedia, the free encyclopedia
Organomegaly is the abnormal enlargement of organs. For example, cardiomegaly is enlargement of the heart. Visceromegaly is the enlargement of abdominal organs.[1] Examples of visceromegaly are enlarged liver (hepatomegaly), spleen (splenomegaly), stomach, kidneys, and pancreas.
Values refer to adults unless otherwise specified.
Organ | Term for enlargement | Cutoff for definition | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Abdominal aorta | Ectasia or mild dilation |
>2.0 cm and <3.0 cm[2] | |||||||||||
Abdominal aortic aneurysm | |||||||||||||
Common bile duct | Dilatation | ||||||||||||
Gallbladder | Wall thickening | 3 mm wall thickness[5] | |||||||||||
Hydrops | Greater than 5 cm transverse dimension[6] | ||||||||||||
Heart | Cardiomegaly |
| |||||||||||
Large intestine | Dilation |
Upper limit of normal range of diameter:[9]
| |||||||||||
Wall thickening | Wall thickness 5 mm[10] | ||||||||||||
Kidneys | Enlargement |
| |||||||||||
Liver | Hepatomegaly |
| |||||||||||
Lymph nodes | Lymphadenopathy | Generally 10 mm[15][16] | |||||||||||
Renal pelvis | Part of hydronephrosis grading | 4 – 20 mm:
| |||||||||||
Prostate | Prostatomegaly | Volume over 30 cm3. | |||||||||||
Pulmonary artery | Dilation | >29 mm[20] | |||||||||||
Small intestine | Dilation |
| |||||||||||
Wall thickening | 3–5 mm[26] | ||||||||||||
Spleen | Splenomegaly |
| |||||||||||
Thoracic aorta | Dilation | Diameters:
Upper limits of standard reference range: | |||||||||||
Thoracic aortic aneurysm | Diameter: | ||||||||||||
Testis | Enlargement | 5 cm (long axis) x 3 cm (short axis)[33] | |||||||||||
Tonsil | Enlarged tonsil | 2.5 cm in length, 2.0 cm in width and 1.2 cm in thickness.[34] | |||||||||||
Ureter | Megaureter | 6[35] or 7[36] mm | |||||||||||
Urinary bladder | Wall thickening | 3–5 mm thick, and < 3 mm when well distended.[37] |
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.