What is a presacral tumor?
What is a presacral tumor?
Background: Presacral tumors are a group of rare and heterogeneous tumors that arise from the potential presacral space between the rectum and sacrum. The low occurrence and diverse origins make the diagnosis and treatment of these tumors a challenge.
Where is the presacral area located?
The presacral space is the area between the rectum and lowest part of your the spine, which is called the sacrum. The presacral space is inside the pelvis, behind the rectum and in front of the coccyx and sacrum.
What is kraske procedure?
INTRODUCTION. Surgical resection of rectal disease via a posterior approach was first described by Kraske at the Fourteenth Congress of the German Association of Surgeons in 1885 [1]. In his initial description, Kraske advocated removing tumors of the middle rectum by excising the coccyx and a portion of the sacrum.
What is a presacral cyst?
Presacral developmental cysts are rare congenital lesions that are often misdiagnosed or delayed in treatment because of nonspecific presenting symptoms. Diagnosis usually may be made by an astute clinician who has a high suspicion for these retrorectal lesions.
What does Retrorectal mean?
Medical Definition of retrorectal : situated or occurring behind the rectum a retrorectal abscess.
What structures are located in Retrorectal fat space?
The presacral space contains a variety of tissue:
- fat.
- mesenchymal tissue.
- lymph nodes.
- nerve plexuses.
- blood vessels.
What are the positions used in surgery?
The five basic positions used for surgery are supine, lithotomy, sitting, prone, and lateral. Improper technique can lead to injury in any of these positions.
What is Lithotomy?
: surgical incision of the urinary bladder for removal of a stone.
What causes a Tailgut cyst?
Tailgut cysts, also known as retrorectal cystic hamartomas, are rare developmental abnormalities that typically occur in the retrorectal space. They are believed to arise from remnants of the embryonic hindgut (Hjermstad and Helwig, 1988).
Should schwannomas be removed?
Surgeons carefully remove your schwannoma while taking care to preserve nerve fascicles that aren’t affected by your tumor. A schwannoma is a type of nerve tumor of the nerve sheath. It’s the most common type of benign peripheral nerve tumor in adults.
Do schwannomas need to be removed?
Schwannomas are usually removed with surgery. They can often be scraped off without damaging the nerve. Your recovery time and any remaining symptoms can vary widely based on the size and location of the schwannoma.