-
Thickened hyperechoic endometrial stripe:
- pregnancy related �
- normal early IUP, ectopic, incomplete abortion, RPOC,, endometritis, molar pregnancy;
-
Thickened hyperechoic endometrial stripe: postmenopausal �
hyperplasia, polyps, CA, tamoxifen, HRT
-
Hypoechoic structures in hyperechoic endometrium:
- premenopausal �
- molar pregnancy, RPOC, degenerated fibroid, degenerated placenta;
-
Hypoechoic structures in hyperechoic endometrium: postmenopausal �
hyperplasia, polyps, CA
-
Fluid in endometrial cavity:
- acquired (cervical stenosis) �
- cervical CA, endometrial CA, endometritis, PID, radiation; pregnancy related � early IUP, pseudogestational sac, blighted ovum;
-
Fluid in endometrial cavity: congenital �
imperforate hymen, vaginal septum, vaginal atresia, rudimentary uterine horn
-
Uterine enlargement or distortion:
fibroids (#1), adenomyosis, pregnancy
-
Uterine bleeding:
endometrial atrophy, hyperplasia, polyps, CA, adenomyosis, submucosal fibroid
-
Uterine and vaginal cystic masses:
nabothian cyst, Gartner�s duct cyst, Bartholin cyst, hydrometrocolpos
-
Shadowing in endometrial cavity:
IUD, calcifications from fibroids or TB, gas
-
Congenital uterine anomalies:
septate, bicornuate, didelphys, arcuate, unicornuate, hypoplastic, in-utero DES exposure
-
Cystic adnexal masses:
follicle, CLC, PCO, OHS, theca lutein cyst (multiple gestation, mole, OHS), hemorrhagic cyst, endometrioma, dermoid, TOA, ectopic, CA, hydrosalpinx, paraovarian cyst
-
Complex pelvic masses:
- ovarian �
- ectopic, TOA, endometrioma, hemorrhagic cyst, torsion, dermoid, CA; tubal � pyosalpinx;
-
Complex pelvic masses: uterine �
pedunculated fibroid, extruded IUD, CA;
-
Complex pelvic masses: other �
pelvic abscess, appendicitis, diverticulitis, hematoma, pelvic kidneys, iliac aneurysm
-
Masses with homogeneous low-level echoes:
TOA, endometrioma, hemorrhagic cyst
-
Solid ovarian masses:
fibroma, thecoma, endometrioma, germ cell tumor, CA, mets; mimics - pedunculated fibroid, lymphadenopathy
-
Endometrial filling defect by HSG:
submucosal fibroid, air bubble, endometrial polyp, blood clot, retained POC, IUP, synechiae
-
Tubal filling defects by HSG:
polyp, CA, tubal pregnancy, air bubble
-
Tubal irregularity by HSG:
SIN, tubal diverticula, endometriosis, post-op changes, TB
-
Diverticula by HSG:
- uterus � adenomyosis;
- isthmus � SIN, TB
-
Pseudokidney sign on US:
IBD, tumor, intussusception, always exclude pelvic kidney
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