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Fig. 1

Uterine myoma. Discrete flow on color Doppler (stage 1)
Uterine myoma. Discrete flow on color Doppler (stage 1)

Fig. 3

Submucosal myoma
Submucosal myoma

Fig. 2

Uterine myoma at 18 weeks gestation
Uterine myoma at 18 weeks gestation

Fig. 4

Submucosal myoma – centrally located hypoechoic lesion with abundant vascularization, grade 3 flow in color Doppler
Submucosal myoma – centrally located hypoechoic lesion with abundant vascularization, grade 3 flow in color Doppler

Fig. 5

Intramural myoma – uterine tumor with mixed echogenicity, rich vascularization in color Doppler
Intramural myoma – uterine tumor with mixed echogenicity, rich vascularization in color Doppler

Fig. 6

Types of uterine myomas according to FIGO(5). The numbering for the subtypes of myomas is given in Tab. 2
Types of uterine myomas according to FIGO(5). The numbering for the subtypes of myomas is given in Tab. 2

Fig. 7

Sarcoma. Mixed echogenicity, richly vascularized, grade 4 color Doppler lesion
Sarcoma. Mixed echogenicity, richly vascularized, grade 4 color Doppler lesion

Fig. 8

Mixed echogenicity sarcoma lesion
Mixed echogenicity sarcoma lesion

FIGO staging of myomas(5)

Submucosal myoma (SM)Other myoma (O)Hybrid leiomyomas – modeling both endometrium and serosa
0 – submucosal myoma in the uterine cavity3 – myoma contacts endometrium, but 100% intramuralTwo types of myomas. The first number indicates the degree of contact with the endometrium, and the second number indicates the degree of contact with the serosa
1 – myoma located in the uterine cavity, but intramural extension <50%4 – intramural myxoma
2 – myoma located in the uterine cavity, but intramural extension ≥50%5 – subserosal intramural extension ≥50%
6 – subserosal intramural extension <50%
7 – subserosal pedunculated
8 – other (parasitic myoma – growing from the peritoneum of organs other than the uterus, cervical myoma)
FIGO (Federation Internationale de Gynecologie et d’Obstetrique) – International Federation of Gynecologists and Obstetricians

Differentiation of uterine myomas/sarcomas

FeatureUterine myomaUterine sarcoma
Prevalence250 : 1000 women0.1 : 1000 women
usually multiple tumorssingle
Growth rateslowrapid
Ageperimenopausal and postmenopausal50–65 years
5-year survival rate100%10%
The most common symptomsheavy periods, abdominal pain, infertilitynon-cyclic uterine bleeding
US characteristics:round, solid, clearly demarcated, hyperechoicoval, solid, heterogeneous tumors with mixed echogenicity
tumor capsule, acoustic shadow, peripheral calcifications (usually postmenopausal)no capsule, no acoustic shadow, no calcifications
Vascularization of the tumorweak, peripheral, MUSA 1strong, irregular, peripheral and central MUSA 3/4
Power DopplerPI 0.7–0.9
RI 0.4–0.6RI 0.37 ± 0.03
PSV 22.5 cm/sec.PSV 71 cm/sec.
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