Table 1 Measurements of the pelvimetry and visceral fat area
From: Factors affecting operating time in laparoscopic anterior resection of rectal cancer
Measurement | Definition |
|---|---|
Transverse measurements | |
Interacetabular distance (IA) | Distance between the most inner points of right and left femoral heads |
Anatomical transverse distance (IP) | Distance between the most outer points of right and left iliopectineal lines |
Interischial distance (IS) | Distance between the right and left ischial spines |
Intertuberous distance (IT) | Distance between the most inner points of right and left ischial tuberosities |
Sagittal measurements | |
Pubis to promontory (SyPr) | Distance from the upper border of symphysis pubis to sacral promontory |
Sacrum to promontory (S3Pr) | Distance from the middle point of the third sacrum to sacral promontory |
Sacrum to coccyx (S3Co) | Distance from the middle point of the third sacrum to the tip of the coccyx |
Promontory to coccyx (PrCo) | Distance from the sacral promontory to the tip of coccyx |
Sacral depth (ScDep) | Distance from the deepest point of sacrum to the promontory-coccyx line |
Pubis to coccyx (CoSy) | Distance from the lower border of symphysis pubis to the tip of coccyx |
Length of symphysis pubis (SyLn) | Length of symphysis pubis |
Angles | |
Angle 1 | The angle of the upper border of symphysis pubis to sacral promontory to the middle point of the third sacrum |
Angle 2 | The angle of sacral promontory to the middle point of the third sacrum to the tip of coccyx |
Angle 3 | The angle of the middle point of the third sacrum to the tip of coccyx to the lower border of symphysis pubis |
Angle 4 | The angle of the tip of coccyx to the lower border of symphysis pubis to the upper border of symphysis pubis |
Angle 5 | The angle of the lower border of symphysis pubis to the upper border of symphysis pubis to the sacral promontory |
Visceral fat area (VFA) | The area of visceral adipose tissue at the single level of the umbilicus |