女性盆腔CT与MRI影像解剖图谱

健康   2024-11-23 07:26   上海  

女性盆部与会阴CT图像

图2-1 经第5腰椎间盘的横断层CT图像

1 腹直肌 rectus abdominis    2 腹外斜肌 obliquus externus abdominis
3 腰大肌 psoas major    4 左髂总动脉 left common iliac artery
5 臀中肌 gluteus medius    6 臀大肌 gluteus maximus
7 竖脊肌 erector spinae    8 第1骶神经 1st sacral nerve
9 第1骶椎椎体 1st sacral vertebral body
10 髂肌 iliacus
11 第5腰椎间盘 5th lumbar intervertebral disc
12 髂骨翼 ala of ilium    13 盲肠 cecum
14 腹内斜肌 obliquus internus abdominis

图2-2 经第1骶椎的横断层CT图像

1 腹直肌 rectus abdominis    2 腹内斜肌 obliquus internus abdominis
3 乙状结肠 sigmoid colon    4 腰大肌 psoas major
5 左髂总动脉 left common iliac artery
6 臀中肌 gluteus medius    7 髂骨翼 ala of ilium
8 臀大肌 gluteus maximus    9 竖脊肌 erector spinae
10 骶管 sacral canal 
11 第2骶椎椎体 2nd sacral vertebral body
12 第1骶神经 1st sacral nerve   13 骶髂关节 sacroiliac joint 
14 第1骶椎椎体 1st sacral vertebral body
15 髂肌 iliacus     16 盲肠 cecum
17 右髂外动脉 right external iliac artery

图2-3 经第2骶椎的横断层CT图像

1 腹直肌 rectus abdominis    2 腹内斜肌 obliquus internus abdominis
3 髂骨翼 ala of ilium    4 髂肌 iliacus
5 左髂内动脉 left internal iliac artery
6 臀中肌 gluteus medius    7 臀大肌 gluteus maximus
8 竖脊肌 erector spinae
9 第2骶椎椎体 2nd sacral vertebral body
10 骶髂关节 sacroiliac joint    11 乙状结肠 sigmoid colon
12 右髂外动脉 right external iliac artery 
13 腰大肌 psoas major    14 盲肠 cecum

图2-4 经第3骶椎的横断层CT图像

1 腹直肌 rectus abdominis    2 腹内斜肌 obliquus internus abdominis
3 髂前上棘 anterior superior iliac spine
4 髂骨翼 ala of ilium    5 髂肌 iliacus
6 臀中肌 gluteus medius    7 骶髂关节 sacroiliac joint
8 臀大肌 gluteus maximus    9 竖脊肌 erector spinae
10 第3骶椎椎体 3rd sacral vertebral body
11 直肠 rectum     12 臀小肌 gluteus minimus
13 右髂外动脉 right external iliac artery
14 腰大肌 psoas major    15 盲肠 cecum

图2-5 经第4骶椎的横断层CT图像

1 腹直肌 rectus abdominis  2 乙状结肠 sigmoid colon
3 膀胱 urinary bladder  4 髂腰肌 iliopsoas
5 髂骨翼 ala of ilium  6 臀中肌 gluteus medius
7 直肠 rectu
8 第4骶椎椎体 4th sacral vertebral body
9 臀大肌 gluteus maximus  10 梨状肌 piriformis
11 臀下动、静脉 inferior gluteal artery and vein
12 臀小肌 gluteus minimus
13 右髂外静脉 right external iliac vein
14 右髂外动脉 right external iliac artery
15 腹内斜肌 obliquus internus abdominis

图2-6 经第5骶椎的横断层CT图像

1 腹直肌 rectus abdominis     2 膀胱 urinary bladder
3 髂腰肌 iliopsoas      4 髂骨体 body of ilium
5 臀中肌 gluteus medius     6 左卵巢 left ovary
7 梨状肌 piriformis      8 臀大肌 gluteus maximus
9 第5骶椎椎体 5th sacral vertebral body    10 直肠 rectum
11 子宫底 fundus of uterus
12 臀下动、静脉 inferior gluteal artery and vein
13 臀小肌 gluteus minimus
14 右髂外动、静脉 right external iliac artery and vein
15 腹内斜肌 obliquus internus abdominis

图2-7 经尾骨的横断层CT图像

1 腹直肌 rectus abdominis  2 股直肌 rectus femoris
3 阔筋膜张肌 tensor fasciae latae 4 臀中肌 gluteus medius
5 子宫颈  neck of uterus  6 臀大肌 gluteus maximus
7 直肠 rectum   8 尾骨 coccyx
9 坐骨体 body of ischium  10 髋臼窝 acetabular fossa
11 股骨头 head of femur  12 耻骨体 body of pubis
13 膀胱 urinary bladder
14 右股动、静脉 right femoral artery and vein

图2-8 经髋关节上份的横断层CT图像

1 腹直肌 rectus abdominis  2 股直肌 rectus femoris 
3 阔筋膜张肌 tensor fasciae latae 4 臀中肌 gluteus medius
5 直肠 rectum   6 臀大肌 gluteus maximus
7 尾骨 coccyx   8 子宫颈 neck of uterus
9 坐骨体 body of ischium  10 股骨头 head of femur
11 耻骨体 body of pubis  12 膀胱 urinary bladder
13 右股动、静脉 right femoral artery and vein

图2-9 经髋关节中份的横断层CT图像

1 腹直肌 rectus abdominis
2 左股动、静脉 left femoral artery and vein
3 阔筋膜张肌 tensor fasciae latae  4 股骨头 head of femur
5 臀中肌 gluteus medius   6 坐骨体 body of ischium
7 阴道静脉丛 vaginal venous plexus
8 臀大肌 gluteus maximus   9 尾骨 coccyx
10 直肠 rectum    11 子宫颈 neck of uterus
12 大转子 greater trochanter   13 股骨头韧带 ligament of femoral head
14 膀胱 urinary bladder   15 股直肌 rectus femoris

图2-10 经髋关节下份的横断层CT图像

1 腹直肌 rectus abdominis 
2 左股动、静脉 left femoral artery and vein
3 股直肌 rectus femoris   4 膀胱 urinary bladder
5 股骨头 head of femur   6 坐骨体 body of ischium
7 子宫颈 neck of uterus   8 直肠 rectum
9 臀大肌 gluteus maximus   10 尾骨 coccyx
11 肛提肌 levator ani   12 股骨大转子 greater trochanter of femur
13 股骨颈 neck of femur   14 阔筋膜张肌 tensor fasciae latae
15 髂腰肌 iliopsoas   16 缝匠肌 sartorius

图2-11 经耻骨上支的横断层CT图像

1 腹直肌 rectus abdominis
2 左股动、静脉 left femoral artery and vein
3 股直肌 rectus femoris   4 股骨头 head of femur
5 股骨颈 neck of femur   6 股骨大转子 greater trochanter of femur
7 股方肌 quadratus femoris   8 直肠 rectum
9 臀大肌 gluteus maximus   10 阴道 vagina
11 闭孔内肌 obturator internus  12 膀胱 urinary bladder
13 髂腰肌 iliopsoas   14 缝匠肌 sartorius
15 耻骨上支 superior ramus of pubis

图2-12 经耻骨联合上份的横断层CT图像

1 耻骨联合 pubic symphysis  2 股直肌 rectus femoris
3 股骨颈 neck of femur
4 股骨大转子 greater trochanter of femur
5 坐骨结节 ischial tuberosity  6 臀大肌 gluteus maximus
7 闭孔内肌 obturator internus  8 闭孔外肌 obturator externus
9 髂腰肌 iliopsoas   10 耻骨肌 pectineus
11 缝匠肌 sartorius
12 右股动、静脉 right femoral artery and vein
13 尿道 urethra   14 阴道 vagina
15 直肠 rectum

图2-13 经耻骨联合下份的横断层CT图像

1 耻骨下支 inferior ramus of pubis 2 股动脉 femoral artery
3 缝匠肌 sartorius   4 股直肌 rectus femoris 
5 阔筋膜张肌 tensor fasciae latae 6 髂腰肌 iliopsoas
7 股方肌 quadratus femoris   8 臀大肌 gluteus maximus
9 阴道 vagina   10 肛提肌 levator ani 
11 直肠 rectum   12 闭孔内肌 obturator internus
13 坐骨结节 ischial tuberosity  14 股骨体 body of femur
15 闭孔外肌 obturator externus 16 耻骨肌 pectineus

图2-14 经耻骨方的横断层CT图像

1 股动脉 femoral artery  2 缝匠肌 sartorius
3 股直肌 rectus femoris  4 阔筋膜张肌 tensor fasciae latae
5 股外侧肌 vastus lateralis  6 股骨 femur
7 股方肌 quadratus femoris   8 臀大肌 gluteus maximus
9 坐骨结节 ischial tuberosity  10 坐骨肛门窝 ischioanal fossa
11 肛门 anus
12 股骨小转子 lesser trochanter of femur
13 闭孔内肌 obturator internus 14 闭孔外肌 obturator externus
15 耻骨肌 pectineus  16 耻骨下支 inferior ramus of pubis
17 阴道 vagina

图2-15 经坐骨支的横断层CT图像

1 股动脉 femoral artery   2 缝匠肌 sartorius
3 股直肌 rectus femoris   4 阔筋膜张肌 tensor fasciae latae
5 股方肌 quadratus femoris  6 股骨 femur
7 股骨小转子 lesser trochanter of femur 8 股方肌 quadratus femoris
9 臀大肌 gluteus medius
10 肛门外括约肌 sphincter ani externus 11 坐骨支 ramus of ischium
12 闭孔外肌 obturator externus  13 耻骨肌 pectineus
14 大收肌 adductor magnus  15 尿道 urethra
16 前庭球 bulb of vestibule  17 肛门 anus 
18 阴道 vagina

女性盆部与会阴MR横断层T2加权图像

图6-1 经第5腰椎间盘的横断层MR T2加权图像

1 腹直肌 rectus abdominis  2 乙状结肠 sigmoid colon 
3 左髂外动脉 left external iliac artery
4 左髂内动脉 left internal iliac artery
5 左髂总静脉 left common iliac vein 6 髂肌 iliacus
7 臀大肌 gluteus maximus  8 竖脊肌 erector spinae
9 骶管 sacral canal   10 骶髂关节 sacroiliac joint
11 第1骶椎椎体 1st sacral vertebral body
12 第5腰椎间盘 5th lumbar intervertebral disc
13 腰大肌 psoas major  14 髂骨翼 ala of ilium
15 腹外斜肌 obliquus externus abdominis

图6-2 经第1骶椎的横断层MR T2加权图像

1 腹直肌 rectus abdominis    2 腹外斜肌 obliquus externus abdominis 
3 乙状结肠 sigmoid colon     4 左髂外动脉 left external iliac artery
5 腰大肌 psoas major    6 臀中肌 glutaeus medius
7 髂骨翼 ala of ilium    8 臀大肌 gluteus maximus
9 第1骶神经 1st sacral nerve    10 竖脊肌 erector spinae
11 第1骶椎间盘 1st sacral intervertebral disc
12 骶骨翼 sacrum     13 骶髂关节 sacroiliac joint
14 第1骶椎椎体 1st sacral vertebral body
15 腹横肌 transversus abdominis   16 盲肠 cecum

图6-3 经第2骶椎的横断层MR T2加权图像

1 腹直肌 rectus abdominis    2 乙状结肠 sigmoid colon 
3 左侧髂外动脉 left external iliac artery
4 左侧髂内动脉 left internal iliac artery   5 髂骨翼 ala of ilium
6 骶髂关节 sacroiliac joint    7 臀大肌 gluteus maximus
8 骶管 sacral canal     9 第3骶神经 3rd sacral nerve
10 第2骶椎椎体 2nd sacral vertebral body    11 臀中肌 gluteus medius
12 臀小肌 gluteus minimus    13 髂肌 iliacus
14 腰大肌 psoas major
15 腹外斜肌 obliquus externus abdominis   16 盲肠 cecum

图6-4 经第3骶椎的横断层MR T2加权图像

1 腹直肌 rectus abdominis
2 左髂外动脉 left external iliac artery  
3 腰大肌 psoas major  4 髂肌 iliacus
5 臀小肌 gluteus minimus  6 臀中肌 gluteus medius
7 臀大肌 gluteus maximus  8 骶髂关节 sacroiliac joint
9 骶管 sacral canal
10 第3骶椎椎体 3rd sacral vertebral body
11 髂骨翼 ala of ilium  12 子宫底 fundus of uterus
13 盲肠 cecum   14 髂前上棘 anterior superior spine
15 腹外斜肌 obliquus externus abdominis 

图6-5 经第4骶椎的横断层MR T2加权图像

1 腹直肌 rectus abdominis    2 髂外斜肌 obliquus externus abdominis
3 子宫结合带 uterine junction zone  4 子宫体 body of uterus
5 直肠子宫陷凹 rectouterine fossa   6 臀大肌 gluteus maximus
7 第4骶椎椎体 4th sacral vertebral body
8 乙状结肠 sigmoid colon    9 卵泡及卵巢 follicle and ovary
10 髂骨翼 ala of ilium    11 臀中肌 gluteus medius
12 臀小肌 gluteus minimus    13 髂腰肌 iliopsoas
14 子宫肌层 myometrium of uterus  15 子宫内膜 endometrium of uterus
16 膀胱 urinary bladder

图6-6 经第5骶椎的横断层MR T2加权图像

1 腹直肌 rectus abdominis   2 髂腰肌 iliopsoas
3 臀小肌 gluteus minimus   4 臀中肌 gluteus medius
5 臀大肌 gluteus maximus   6 直肠 rectum
7 第5骶椎椎体 5th sacral vertebral body  8 梨状肌 piriformis
9 臀下动脉、坐骨神经 inferior gluteal artery and sciatic nerve
10 子宫体 body of uterus   11 卵巢 ovary
12 髂骨翼 ala of ilium   13 髂外动脉 external iliac artery
14 膀胱 urinary bladder

图6-7 经尾骨的横断层MR T2加权图像

1 腹直肌 rectus abdominis  2 髂腰肌 iliopsoas
3 臀中肌 gluteus medius  4 髂骨体 body of ilium
5 闭孔内肌 obturator internus  6 臀大肌 gluteus maximus
7 尾骨 coccyx   8 直肠 rectum
9 子宫颈 neck of uterus  10 闭孔动脉 obturator artery
11 阔筋膜张肌 tensor fasciae latae 12 缝匠肌 sartorius
13 膀胱 urinary bladder

图6-8 经尾骨和髋臼顶端的横断层MR T2加权图像

1 腹直肌 rectus abdominis  2 左髂外动、静脉 left iliac artery and vein
3 髂腰肌 iliopsoas   4 臀中肌 gluteus medius
5 髋臼 acetabulum   6 臀大肌 gluteus maximus
7 尾骨 coccyx   8 直肠 rectum
9 子宫颈 neck of uterus  10 膀胱 urinary bladder
11 缝匠肌 sartorius

图6-9 经髋关节上份的横断层MR T2加权图像

1 腹直肌 rectus abdominis  2 缝匠肌 sartorius
3 阔筋膜张肌 tensor fasciae latae 4 股骨头 head of femur
5 坐骨体 body of ischium   6 闭孔内肌 internal obturator
7 臀大肌 gluteus maximus  8 阴道 vagina
9 直肠 rectum   10 膀胱 urinary bladder
11 左髂外动、静脉 left external iliac artery and vein
12 髂腰肌 iliopsoas

图6-10 经髋关节中份的横断层MR T2加权图像

1 腹直肌 rectus abdominis  2 缝匠肌 sartorius muscle
3 阔筋膜张肌 tensor fasciae latae 4 股骨头 head of femur
5 坐骨体 body of ischium   6 闭孔内肌 internal obturator
7 臀大肌 gluteus maximus  8 阴道 vagina
9 直肠 rectum
10 股骨大转子 greater trochanter of femur
11 髋臼 acetabulum
12 右髂外动、静脉 external iliac artery and vein 
13 膀胱 urinary bladder  14 髂腰肌 iliopsoas

图6-11 经髋关节下份的横断层MR T2加权图像

1 腹直肌 rectus abdominis
2 股动、静脉 femoral artery and vein
3 缝匠肌 sartorius   4 阔筋膜张肌 tensor fasciae latae
5 髂腰肌 iliopsoas   6 股骨颈 neck of femur
7 股骨大转子 greater trochanter of femur
8 闭孔内肌 obturator internus  9 坐骨结节 ischial tuberosity
10 臀大肌 gluteus maximus  11 肛提肌 levator ani
12 直肠 rectum   13 坐骨肛门窝 ischioanal fossa
14 股方肌 quadratus femoris  15 阴道 vagina
16 膀胱 urinary bladder  17 股直肌 rectus femoris

图6-12 经耻骨联合上份的横断层MR T2加权图像

1 缝匠肌 sartorius    2 阔筋膜张肌 tensor fasciae latae
3 股骨颈 neck of femur   4 股骨大转子 greater trochanter of femur
5 坐骨结节 ischial tuberosity
6 股后群肌腱 tendon of posterior muscles of thigh
7 臀大肌 gluteus maximus   8 坐骨肛门窝 ischioanal fossa
9 闭孔内肌 obturator internus   10 直肠 rectum
11 阴道 vagina    12 女性尿道 female urethra
13 耻骨联合 pubic symphysis   14 闭孔外肌 obturator externus
15 髂腰肌 iliopsoas   16 股直肌 rectus femoris
17 右股动、静脉 right femoral artery and vein

图6-13 经耻骨联合下份的横断层MR T2加权图像

1 缝匠肌 sartorius   2 阔筋膜张肌 tensor fasciae latae
3 耻骨肌 pectineus   4 股外侧肌 vastus lateralis
5 闭孔外肌 obturator externus
6 股骨大转子 greater trochanter of femur
7 股方肌 quadratus femoris  8 坐骨结节 ischial tuberosity
9 坐骨肛门窝 ischioanal fossa  10 臀大肌 gluteus maximus
11 肛提肌 levator ani  12 肛管 anal canal
13 阴道 vagina   14 尿道 urethra
15 髂腰肌 iliopsoas  16 耻骨联合 pubic symphysis
17 股动、静脉 femoral artery and vein 18 股直肌 rectus femoris

图6-14 经耻骨弓的横断层MR T2加权图像

1 缝匠肌 sartorius   2 阔筋膜张肌 tensor fasciae latae
3 股外侧肌 vastus lateralis  4 股中间肌 vastus intermedius
5 髂腰肌 iliopsoas   6 股骨 femur
7 股骨小转子 lesser trochanter of femur 8 股方肌 quadratus femoris
9 坐骨支 ramus of ischium  10 臀大肌 gluteus maximus
11 肛门 anus   12 阴道 vagina
13 闭孔外肌 obturator externus 14 短收肌 adductor brevis
15 耻骨肌 pectineus  16 股直肌 rectus femoris
17 阴蒂体 body of clitoris  18 尿道 urethra

图6-15 经大阴唇的横断层MR T2加权图像

1 缝匠肌 sartorius
2 股动、静脉 femoral artery and vein
3 阔筋膜张肌 tensor fasciae latae 4 股外侧肌 vastus lateralis
5 股中间肌 vastus intermedius  6 股骨 femur
7 股骨小转子 lesser trochanter of femur 8 股方肌 quadratus femoris
9 臀大肌 gluteus maximus  10 前庭球 bulb of vestibule
11 肛门 anus
12 肛门外括约肌 sphineter ani externus 13 坐骨支 ramus of ischium
14 大收肌 adductor magus  15 短收肌 adductor brevis
16 长收肌 adductor longu  17 股直肌 rectus femoris
18 大阴唇 greater lip of pudendum

女性盆部与会阴MR矢状断层T2加权图像

图7-1 经子宫腔、阴道和耻骨的矢状断层MR T2加权图像

1 棘突 spinous process   2 竖脊肌 erector spinae
3 第2骶椎椎体 2nd sacral vertebral body 4 子宫颈 neck of uterus
5 阴道后穹隆 posterior vaginal fornix   6 直肠 rectum
7 宫颈外口 external orifice of the cervix uteri
8 阴道 vagina    9 耻骨 pubis 
10 膀胱壁 bladder wall   11 子宫内膜 endometrium of uterus
12 子宫结合带 uterine junction zone  13 子宫底 fundus of uterus
14 子宫体 body of uterus   15 腹直肌 rectus abdominis
16 第5腰椎间盘 5th lumber intervertebral disc 

图7-2 经阴道和直肠的矢状断层MR T2加权图像

1 第5腰椎间盘 5th lumber intervertebral disc 
2 脑脊液 cerebrospinal fluid
3 第3骶椎椎体 3rd sacral vertebral body 
4 直肠 rectum   5 子宫直肠陷凹 rectouterine fossa 
6 宫颈外口 external orifice of the cervix uteri
7 阴道 vagina   8 耻骨 pubis 
9 膀胱 urinary bladder  10 子宫体 body of uterus
11 腹直肌 rectus abdominis

图7-3 经闭孔内侧份的矢状断层MR T2加权图像

1 椎间孔 foramen intervertebrale
2 第2骶椎椎体 2nd sacral vertebral body 
3 直肠 rectum          4 臀大肌 gluteus maximus
5 闭孔内肌 obturator internus      6 闭孔外肌 obturator externus 
7 股直肌 rectus femoris       8 股内侧肌 vastus medial
9 耻骨 pubis        10 膀胱壁 bladder wall
11 腹直肌 rectus abdominis
12 第5腰椎间盘 5th lumber intervertebral disc 

图7-4 经闭孔外侧份的矢状断层MR T2加权图像

1 竖脊肌 erector spinae  2 骶骨 sacrum
3 梨状肌 piriformis   4 臀大肌 gluteus maximus
5 闭孔内肌 obturator internus  6 耻骨 pubis 
7 膀胱 urinaty bladder  8 子宫体 body of uterus
9 卵泡 follicle   10 腹直肌 rectus abdominis
11 髂腰肌 iliopsoas

图7-5 经髋胺肌的矢状断层MR T2加权图像

1 髂骨 ilium   2 臀大肌 gluteus maximus
3 坐骨体 body of ischium  4 闭孔内肌 obturator internus
5 内收肌群 adductors  6 股直肌 rectus femoris
7 股内侧肌 vastus medialis  8 髂腰肌 iliopsoas
9 腰大肌 psoas major  10 髂肌 iliacus
11 结肠 colon   12 腹直肌 rectus abdominis

女性盆部与会阴MR冠状断层T2加权图像

图8-1 经耻骨联合和膀胱的冠状断层MR T2加权图像

1 腹主动脉 abdominal aorta   2 左髂总动脉 left common iliac artery
3 髂肌 iliacus    4 臀中肌 gluteus medius
5 臀小肌 gluteus minimus    6 膀胱 urinary bladder
7 耻骨联合 pubic symphysis   8 阔筋膜张肌 tensor fasciae latae
9 耻骨支 pubic ramus   10 乙状结肠 sigmoid colon
11 髂骨翼 iliac ala    12 升结肠 ascending colon
13 腹外斜肌 obliquus externus abdominis

图8-2 经髋关节前份和子宫的冠状断层MR T2加权图像

1 第3腰椎间盘 3th lumber intervertebral disc 2 腰大肌 psoas major
3 髂嵴 crisla iliaca    4 臀中肌 gluteus medius
5 臀小肌 gluteus minimus   6 股骨头 head of femur
7 膀胱 urinary bladder    8 耻骨 pubis 
9 闭孔外肌 obturator externus   10 髋臼 acelabulum
11 子宫结合带 uterine junction zone
12 子宫内膜 endometrium of uterus
13 子宫肌层 mesometrium of uterus
14 乙状结肠 sigmoid colon   15 髂肌 iliacus
16 腹外斜肌 obliquus externus abdominis

图8-3 经子宫腔、膀胱和股骨颈的冠状断层MR T2加权图像

1 腰大肌 psoas major  2 髂肌 iliacus
3 臀中肌 gluteus medius  4 臀小肌 gluteus minimus
5 股骨头 head of femur
6 股骨大转子 greater trochanter of femur 7 闭孔外肌 obturator externus
8 大收肌 adductor magnus  9 闭孔内肌 obturator internus
10 髋臼 acetabulum  11 卵泡 follicle
12 子宫内膜 endometrium of uterus 13 子宫结合带 uterine junction zone
14 子宫肌层 mesometrium of uterus
15 第4腰椎间盘 4th lumber intervertebral disc
16 腹外斜肌 obliquus externus abdominis

图8-4 经闭孔和膀胱的冠状断层MR T2加权图像

1 腰大肌 psoas major      2 臀中肌 gluteus medius
3 臀小肌 gluteus minimus      4 闭孔内肌 obturator internus
5 闭孔外肌 obturator externus       6 大收肌 adductor magnus
7 股骨干 femoral shaft
8 股骨大转子 greater trochanter of femur     9 髋臼 acetabulum
10 膀胱 urinary bladder      11 子宫 uterus
12 直肠 rectum  
13 第1骶椎椎体 1st sacral vertebral body    14 髂骨翼 ala of ilium
15 脑脊液 cerebrospinal fluid
16 腹外斜肌 obliquus externus abdominis

图8-5 经坐骨结节的冠状断层MR T2加权图像

1 竖脊肌 erector spinae  2 棘突 spinous process
3 骶骨 sacrum   4 直肠 rectum
5 子宫 uterus   6 闭孔内肌 obturator internus
7 坐骨 ischium   8 梨状肌 piriformis
9 臀大肌 gluteus maximus  10 骶髂关节 sacroiliac joint
11 髂骨 ilium

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