ºÝºÝߣ

ºÝºÝߣShare a Scribd company logo
2003-11-3 1
Myoma of Uterus
Xu Hong
2003-11-3 2
Synonyms
leiomyoma of uterus
leiomyomas
fibromyomas
myofibromas
fibroids
fibromas
myomas
2003-11-3 3
Incidence
Most common solid pelvic tumors
Develop in 20 ¡« 25% of women during
reproductive years
30 ¡« 50 years old
2003-11-3 4
Correlative Factors
An estrogenic milieu may be necessary
Progesterone function
Growth factor and their receptor £º
epithelial growth factor £¨ EGF £©
Insulin-like growth factor £¨ IGF £©
platelet-derived growth factor
puberty
Çà´ºÆÚ
menopause
¾ø¾­ÆÚ
estrogen
´Æ¼¤ËØ
progesterone
Ôм¤ËØ
2003-11-3 5
Pathology
2003-11-3 6
Gross Appearance
Rare only a single £¬ usually many exist
Well-circumscribed £¬ nonencapsulated
A pseudocapsule is present.
The consistency is usually firm or even hard
except when degeneration or hemorrhage has
occurred.
color £º light gray or pinkish white
cut section £º an intertwining pattern or
a whorl-like arrangement £»
bulgy
pseudocapsule
¼Ù°üĤ
2003-11-3 7
Smooth muscle tumors of the uterus are often
multiple. Seen here are submucosal, intramural,
and subserosal leiomyomata of the uterus.
2003-11-3 8
Microscopic Appearance
Composition £º smooth muscle
connective tissue
The nonstriated muscle fibers are arranged
in bundles of various sizes that run in
multiple directions.
2003-11-3 9
Classification £¨ 1 £©
According to growth location £º
? Myomas on the body of uterus £¨ 90% £©
? Myomas on the cervix of uterus £¨ 10% £©
2003-11-3 10
Classification £¨ 2 £©
According to the relation to uterine muscle £º
? Submucous £¨ 10 ¡« 15% £©
? Intramural £¨ 60 ¡« 70% £©
? Subserosal £¨ 20% £©
Few leiomyomas are actually of a single ¡°pure¡± type.
¡ª hybrids
2003-11-3 11
Clinical Manifestation
2003-11-3 12
Symptoms
menorrhagia and prolonged menstrual period £º
common
Pelvic pain £º
occurs in pregnancy if undergoing degeneration
or torsion of a pedunculated myoma
Pelvic pressure £º urinary frequency
bowel
difficulty £¨ constipation £©
Spontaneous abortion
Infertility
menorrhagia
Ô¾­¹ý¶à
pedunculated
ÓеٵÄ
spontaneous abortion
×ÔÈ»Á÷²ú
infertility
²»ÓýÖ¢
2003-11-3 13
Signs
A palpable abdominal tumour
Pelvic examination £º
uterus ¡ª enlarged and irregular £»
hard
2003-11-3 14
Degeneration
Hyaline degeneration
Cystic degeneration
Red degeneration
Sarcomatous change
The others £º fat degeneration
calcification
the secondary infection
Result from the diminished
vascularity of the
connective-tissue element
2003-11-3 15
Red Degeneration
Occasionally seen as a complication of
pregnancy £¨ during pregnancy or immediate postpartum
period £©
The pathogenesis is unknown £¬ may be the result
of the accumulation of blood in the tumour
because of venous obstruction.
The cut surface resembles raw meat.
Clinical features £º a cause of pain £¨ acute £©
fever
rapid growth £¬ tender
²úÈìÆÚ
2003-11-3 16
Here is a very large
leiomyoma of the uterus
that has undergone
degenerative change and is
red (so-called "red
degeneration"). Such an
appearance might make
you think that it could be
malignant. Remember that
malignant tumors do not
generally arise from benign
tumors.
2003-11-3 17
Sarcomatous Change
Rare £º 0.4% ¡« 0.8%
More common at 40 ¡« 50 years old
Usually occur in intramural fiboids
grow quickly
vaginal bleeding
2003-11-3 18
Diagnosis
History
Bimanual examination
Ultrasonography
£¨ B¨Cultrasound examination £©
Hysteroscopy
Laparoscopy
Hysterography
hysteroscopy
×Ó¹¬¾µ¼ì²é
laparoscopy
¸¹Ç»¾µ¼ì²é
2003-11-3 19
Differential Diagnosis
Pregnancy
Ovarian tumour
Adenomyosis
Malignant tumors of uterus
? sarcoma of uterus
? endometrial carcinoma
? cervical cancer
2003-11-3 20
Treatment
2003-11-3 21
Observation and Follow Up
Small £¬ asymptomatic fibroids need not be
treated £¬ especially near menopause.
Interval £º 3 ¡« 6 months
2003-11-3 22
Medical Treatment
Androgenic agents £º testosterone propionate
GnRH-a £º
? induce a hypoestrogenic pseudomenopausal
state
? not recommended for longer than 6 months
? ¡°add-back¡± regimens
±ûغ
·´ÏòÌí¼ÓÁÆ·¨£¬µæ±³ÁÆ·¨
2003-11-3 23
Surgery Treatment £¨ 1 £©
Indications £º
greater than 10 weeks¡¯ gestational size
menorrhagia £¬ lead to anemia
have pressure symptoms
grows rapidly
failure of medical treatment
2003-11-3 24
Surgery Treatment £¨ 2 £©
Method £º
Myomectomy¡ªconservative therapy
preserve fertility
significant risk of recurrence
Hysterectomy¡ª radical therapy
Subtotal hysterectomy
hysterectomy
×Ó¹¬ÇгýÊõ
myomectomy
¼¡ÁöÌÞ³ýÊõ
Only true ¡°cure¡±
for leiomyomas
´ÎÈ«×Ó¹¬ÇгýÊõ
2003-11-3 25
Surgery Treatment £¨ 3 £©
Approach £º
? trans-abdominal
? trans-vaginal
? laparoscopic or hysteroscopic
2003-11-3 26
It is important to
individualize
the choice of
therapy.
2003-11-3 27
Uterine Leiomyomas
Complicating Pregnancy
impact on pregnancy £º abortion
impact on delivery £º premature labour
fetal malpresentation
retained placenta
placenta previa
need for operative delivery
£¨ birth canal
obstruction £©
postpartum hemorrhage
Conservative treatment
2003-11-3 28
Critical Points
May be related to superabundant estrogen.
Well-circumscribed £¬ nonencapsulated.
Have a pseudocapsule.
Can be classified into submucosal ¡¢ intramural
and subserosal types.
Different types have different features.
Menorrhagia is common.
Four degeneration types
Individualized treatment £¬ include observation ¡¢
medical treatment and surgical treatment.

More Related Content

13

  • 1. 2003-11-3 1 Myoma of Uterus Xu Hong
  • 2. 2003-11-3 2 Synonyms leiomyoma of uterus leiomyomas fibromyomas myofibromas fibroids fibromas myomas
  • 3. 2003-11-3 3 Incidence Most common solid pelvic tumors Develop in 20 ¡« 25% of women during reproductive years 30 ¡« 50 years old
  • 4. 2003-11-3 4 Correlative Factors An estrogenic milieu may be necessary Progesterone function Growth factor and their receptor £º epithelial growth factor £¨ EGF £© Insulin-like growth factor £¨ IGF £© platelet-derived growth factor puberty Çà´ºÆÚ menopause ¾ø¾­ÆÚ estrogen ´Æ¼¤ËØ progesterone Ôм¤ËØ
  • 6. 2003-11-3 6 Gross Appearance Rare only a single £¬ usually many exist Well-circumscribed £¬ nonencapsulated A pseudocapsule is present. The consistency is usually firm or even hard except when degeneration or hemorrhage has occurred. color £º light gray or pinkish white cut section £º an intertwining pattern or a whorl-like arrangement £» bulgy pseudocapsule ¼Ù°üĤ
  • 7. 2003-11-3 7 Smooth muscle tumors of the uterus are often multiple. Seen here are submucosal, intramural, and subserosal leiomyomata of the uterus.
  • 8. 2003-11-3 8 Microscopic Appearance Composition £º smooth muscle connective tissue The nonstriated muscle fibers are arranged in bundles of various sizes that run in multiple directions.
  • 9. 2003-11-3 9 Classification £¨ 1 £© According to growth location £º ? Myomas on the body of uterus £¨ 90% £© ? Myomas on the cervix of uterus £¨ 10% £©
  • 10. 2003-11-3 10 Classification £¨ 2 £© According to the relation to uterine muscle £º ? Submucous £¨ 10 ¡« 15% £© ? Intramural £¨ 60 ¡« 70% £© ? Subserosal £¨ 20% £© Few leiomyomas are actually of a single ¡°pure¡± type. ¡ª hybrids
  • 12. 2003-11-3 12 Symptoms menorrhagia and prolonged menstrual period £º common Pelvic pain £º occurs in pregnancy if undergoing degeneration or torsion of a pedunculated myoma Pelvic pressure £º urinary frequency bowel difficulty £¨ constipation £© Spontaneous abortion Infertility menorrhagia Ô¾­¹ý¶à pedunculated ÓÐµÙµÄ spontaneous abortion ×ÔÈ»Á÷²ú infertility ²»ÓýÖ¢
  • 13. 2003-11-3 13 Signs A palpable abdominal tumour Pelvic examination £º uterus ¡ª enlarged and irregular £» hard
  • 14. 2003-11-3 14 Degeneration Hyaline degeneration Cystic degeneration Red degeneration Sarcomatous change The others £º fat degeneration calcification the secondary infection Result from the diminished vascularity of the connective-tissue element
  • 15. 2003-11-3 15 Red Degeneration Occasionally seen as a complication of pregnancy £¨ during pregnancy or immediate postpartum period £© The pathogenesis is unknown £¬ may be the result of the accumulation of blood in the tumour because of venous obstruction. The cut surface resembles raw meat. Clinical features £º a cause of pain £¨ acute £© fever rapid growth £¬ tender ²úÈìÆÚ
  • 16. 2003-11-3 16 Here is a very large leiomyoma of the uterus that has undergone degenerative change and is red (so-called "red degeneration"). Such an appearance might make you think that it could be malignant. Remember that malignant tumors do not generally arise from benign tumors.
  • 17. 2003-11-3 17 Sarcomatous Change Rare £º 0.4% ¡« 0.8% More common at 40 ¡« 50 years old Usually occur in intramural fiboids grow quickly vaginal bleeding
  • 18. 2003-11-3 18 Diagnosis History Bimanual examination Ultrasonography £¨ B¨Cultrasound examination £© Hysteroscopy Laparoscopy Hysterography hysteroscopy ×Ó¹¬¾µ¼ì²é laparoscopy ¸¹Ç»¾µ¼ì²é
  • 19. 2003-11-3 19 Differential Diagnosis Pregnancy Ovarian tumour Adenomyosis Malignant tumors of uterus ? sarcoma of uterus ? endometrial carcinoma ? cervical cancer
  • 21. 2003-11-3 21 Observation and Follow Up Small £¬ asymptomatic fibroids need not be treated £¬ especially near menopause. Interval £º 3 ¡« 6 months
  • 22. 2003-11-3 22 Medical Treatment Androgenic agents £º testosterone propionate GnRH-a £º ? induce a hypoestrogenic pseudomenopausal state ? not recommended for longer than 6 months ? ¡°add-back¡± regimens ±ûغ ·´ÏòÌí¼ÓÁÆ·¨£¬µæ±³ÁÆ·¨
  • 23. 2003-11-3 23 Surgery Treatment £¨ 1 £© Indications £º greater than 10 weeks¡¯ gestational size menorrhagia £¬ lead to anemia have pressure symptoms grows rapidly failure of medical treatment
  • 24. 2003-11-3 24 Surgery Treatment £¨ 2 £© Method £º Myomectomy¡ªconservative therapy preserve fertility significant risk of recurrence Hysterectomy¡ª radical therapy Subtotal hysterectomy hysterectomy ×Ó¹¬ÇгýÊõ myomectomy ¼¡ÁöÌÞ³ýÊõ Only true ¡°cure¡± for leiomyomas ´ÎÈ«×Ó¹¬ÇгýÊõ
  • 25. 2003-11-3 25 Surgery Treatment £¨ 3 £© Approach £º ? trans-abdominal ? trans-vaginal ? laparoscopic or hysteroscopic
  • 26. 2003-11-3 26 It is important to individualize the choice of therapy.
  • 27. 2003-11-3 27 Uterine Leiomyomas Complicating Pregnancy impact on pregnancy £º abortion impact on delivery £º premature labour fetal malpresentation retained placenta placenta previa need for operative delivery £¨ birth canal obstruction £© postpartum hemorrhage Conservative treatment
  • 28. 2003-11-3 28 Critical Points May be related to superabundant estrogen. Well-circumscribed £¬ nonencapsulated. Have a pseudocapsule. Can be classified into submucosal ¡¢ intramural and subserosal types. Different types have different features. Menorrhagia is common. Four degeneration types Individualized treatment £¬ include observation ¡¢ medical treatment and surgical treatment.