What's the difference between pelvis and sacrum?

Pelvis


Definition:

  • (n.) The pelvic arch, or the pelvic arch together with the sacrum. See Pelvic arch, under Pelvic, and Sacrum.
  • (n.) The calyx of a crinoid.

Example Sentences:

  • (1) Prompt diagnosis, in which timely diagnostic laparoscopy and ultrasound evaluation of the pelvis may be helpful, provides the opportunity for prompt laparotomy with untwisting of the torsion and stabilization of the adnexa by suture and cystectomy, if possible, extirpation if not.
  • (2) In the case of unilateral blockade at the groin or pelvis, the grafts connect the lymphatics of the thigh of the affected leg with lymphatics in the contralateral healthy groin.
  • (3) A total of 400 patients with radiation injuries of the organs of the small pelvis were examined.
  • (4) The authors' experience suggests the following as the optimal follow-up: a) CT examination over a 6-month postoperative period; b) yearly CT examinations and urography over 4 postoperative years; c) yearly US examination over the first 2 years after surgery, to depict renal pelvis dilatation.
  • (5) Extraperitoneal hemorrhage, associated with a fracture of the pelvis, is a major cause of death in pedestrian accidents.
  • (6) Some patients received postoperative external beam irradiation (2000 cGy whole pelvis and an additional 3000 cGy to the parametria, with a midline stepwedge) when deep myometrial invasion was present.
  • (7) This is a correlative study of normal anatomy of the lumbosacral spine and pelvis demonstrated by SPECT and radiography in order to assure that morphologic detail resulting from SPECT is recognized and matched with radiographic landmarks in the same area.
  • (8) However, only three patients (3%) failed in the pelvis alone.
  • (9) Metastatic involvement of the pelvis, and in particular the acetabulum, is a common finding among patients with metastatic osseous disease.
  • (10) A patient with malignant hypertension and acute renal failure underwent percutaneous renal biopsy which resulted in the creation of an arteriovenous fistula that communicated with the renal pelvis.
  • (11) A woman in labor and not wearing a seat belt sustained multiple fractures of the pelvis and femur while in an automobile accident.
  • (12) The durect judgment of the function of the floor of the pelvis is only possible by the electromyogram.
  • (13) Contrast media in magnetic resonance imaging (MRI) of the abdomen and pelvis are applied for various purposes; different substances and forms of application must be distinguished.
  • (14) Two groups of subjects were studied: a first group of 20 healthy volunteers to define NMR semeiology of male pelvis and a second group of 40 patients with mainly tumoral lesions of vesicles or prostate.
  • (15) In all series of experiments multidimensional statistical analysis allowed one to reveal the effect conducive to a relative decrease in the blood content in the brain, myocardium, lungs, liver and to its increase in some abdominal organs, skin, muscle and bone tissues of the extremities, abdomen and pelvis.
  • (16) In 25 patients, small cell lung cancer was staged prospectively with both conventional staging and a magnetic resonance (MR) imaging protocol that included 1.5-T MR imaging of the pelvis, abdomen, spine, and brain.
  • (17) Studies carried out on the phantom have shown how reliable transverse diameter measurements of the pelvis are when carried out by X-Ray scanning pelvimetry compared with conventional X-Ray pelvimetry.
  • (18) Approximately 10-20 ml fluid were withdrawn from the renal pelvis for cytology and culture.
  • (19) Using chi 2 analysis, we found that failure of external version was significantly associated with obesity, descent of the breech into the pelvis, decreased fluid, and fetal back positioned posteriorly.
  • (20) For the renal pelvis the results show 6 X 10(-5) M thiphenamil, 10(-3) M oxybutynin, and 5 X 10(-6) M verapamil resulted in a 50% inhibition of the phasic contractions.

Sacrum


Definition:

  • (n.) That part of the vertebral column which is directly connected with, or forms a part of, the pelvis.

Example Sentences:

  • (1) The popularly used procedure in Great Britain is that in which a sheet of Ivalon sponge is sutured to the sacrum and wrapped around the rectum thus anchoring it in place.
  • (2) Using conventional methods, nonunion is common when long scoliosis fusions are extended to the sacrum.
  • (3) We suggest that incomplete development of the bones of the dorsal neural arches of the upper sacrum may be a marker of incomplete neurogenesis of the sacral nerves.
  • (4) The authors describe two types of pelvic obliquity--total pelvic obliquity in which the sacrum is the lowest vertebra of the lumbar curve and subtotal pelvic obliquity in which there is some compensation between L5 and the sacrum.
  • (5) This avascular space permit to made there surgically procedures such Lockart-Mummery to attach rectum to sacrum.
  • (6) Observed complications with special attention to injuries to the lumbosacral plexus were correlated with the classification of the sacrum and pelvis, as well as with a detailed analysis of the fracture pattern and fracture characteristics.
  • (7) Ten fresh human cadaveric spine specimens including from L1 to sacrum (six specimens) and ilium (four specimens) were studied.
  • (8) The 11C-activity distribution was then followed in vivo by scanning above thorax, head, liver, thigh and os sacrum; simultaneously the 11c-activity of the blood was also followed by batch measurement.
  • (9) From the various parts of the sacrum (body, facets, alae and laminae) distinct sets of trabeculae extend towards the auricular surface.
  • (10) Almost fifty percent of the fractures of the sacrum and two thirds of the injuries of the iliosacral joint in our series could not be diagnosed on conventional examinations.
  • (11) In addition she had pressure sores over both trochanters and the sacrum.
  • (12) Type A: The synovial membrane is all around attached to the margin of the articular facet of the superior articular process of the sacrum.
  • (13) This study is a retrospective review of 43 adult patients with idiopathic or congenital scoliosis who had spinal fusion from T11 or above to the sacrum.
  • (14) Radiculo-medullary compression characterized the rare cases with involvement of the vertebral column or the sacrum.
  • (15) In patients with injury to the sacro-iliac joints or of the sacrum, the extent of the injury and the degree of pelvic instability was better shown by CT. All other bony lesions, such as fractures of the ilium, pubis, ischium or the symphysis could be diagnosed adequately by simple radiographs.
  • (16) The positional inclines of sacrum, upper lumbar and thoracic areas were significantly smaller in the scoliotics, resulting in smaller lumbar lordosis and thoracic kyphosis in them (P less than 0.001).
  • (17) The major findings include buttock tenderness extending from the sacrum to the greater trochanter and piriformis tenderness on rectal or pelvic examination.
  • (18) The CD system using sacral pedicle and alar screws in the adult patient does not appear to offer advantages over alternative techniques for achieving arthrodesis to the sacrum for adult deformity.
  • (19) The specific and complementary investigations revealed the absence of the left half of sacrum, coccyx, together with the left iliac bone, ischium and pubis.
  • (20) Through a posterior approach, the sciatic roots are released and two long screws are set through the sacrum.

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