from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Situated behind the peritoneum.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Located behind the peritoneum.
from The Century Dictionary and Cyclopedia
- Situated or occurring behind the peritoneum.
“I believe this is the kidney, but I could be wrong,” she murmured, staring at the glut of tissue inside the retroperitoneal cavity.
Peritoneal Recesses or Fossæ (retroperitoneal fossæ).
In certain parts of the abdominal cavity there are recesses of peritoneum forming culs-de-sac or pouches, which are of surgical interest in connection with the possibility of the occurrence of retroperitoneal herniæ.
In the human embryo the lymph sacs from which the lymphatic vessels are derived are six in number; two paired, the jugular and the posterior lymph-sacs; and two unpaired, the retroperitoneal and the cisterna chyli.
The case was clinically unusual in that the picture of a pseudoleukemia was presented, with demonstration at autopsy of great hyperplasia of retroperitoneal lymph nodes and grossly visible islands of lymphoid hyperplasia in liver and spleen.
The same statement and explanation may be made regarding the distribution of pain receptors for physical contact within the parenchyma of the liver, the gall-bladder, the abdominal viscera, the spleen, the heart, the lungs, the retroperitoneal tissue, the deep tissue of the back, the vertebræ, and in certain portions of the spinal cord.
One patient who received enoxaparin died of retroperitoneal bleeding 40 days after surgery.
The step-up approach consisted of percutaneous drainage followed, if necessary, by minimally invasive retroperitoneal necrosectomy.
But to provide some detail for you, a working person without insurance presents at the emergency department with 10 on 10 abdominal pain spitting up blood, and learns that they have an inoperable stage 5 retroperitoneal soft tissue cancer, with mets to the lung.
Adrenocortical carcinosarcoma is a rare malignancy that adds to the differential diagnostic considerations for a retroperitoneal epithelioid malignancy.
Wordnik is becoming a not-for-profit! Read our announcement here.