Transpyloric plane
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| Transpyloric plane | |
|---|---|
 | |
| Surface lines of the front of the thorax and abdomen. (Transpyloric is top horizontal line.) | |
 | |
| Front of abdomen, showing surface markings for duodenum, pancreas, and kidneys. | |
| Latin | planum transpyloricum |
| Gray's | subject #286 1315 |
| Dorlands/Elsevier | p_22/12644663 |
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Overview
An upper transverse line, the transpyloric is located halfway between the jugular notch and the upper border of the symphysis pubis; this indicates the margin of the transpyloric plane, which in most cases cuts through the pylorus, the tips of the ninth costal cartilages and the lower border of the first lumbar vertebra.
Structures crossed
The transpyloric plane is clinically notable because it passes through several important abdominal structures. These include:
- lumbar vertebra 1[1] and hence passes just below the end of the spinal cord in adults.
- the fundus of the gallbladder
- the neck of the pancreas
- the pancreatic body[2]
- the origins of the superior mesenteric artery[2] and portal vein[2]
- the left colic flexure [2]
- the left hilum of the kidney [2]
- the right upper pole of the kidney [2]
- the root of the transverse mesocolon
- duodenojejunal flexure [2]
- the 2nd part of the duodenum
- the upper part of conus medullaris[3]
- the spleen
Additional images
 Front view of the thoracic and abdominal viscera. |
 Front of abdomen, showing surface markings for arteries and inguinal canal. |
See also
External links
- Transpyloric+plane at eMedicine Dictionary
Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
