Fig. 2

A 35-year-old woman presented with amenorrhea for 7 weeks, abdominal pain and vaginal bleeding; the B-HCG level was elevated. Transvaginal 3D sonogram in sagittal scan shows the interstitial portion of the tube (arrow) located between the gestational sac (GS) and endometrium (e). CT of the pelvis (b) shows a small lesion on the left side of the uterus. Axial (c) and coronal (d) T2-weighted images and axial contrast T1-weighted image (e) of the pelvis show a left gestational-like structure measuring 10 mm in diameter, surrounded by a thick wall according to interstitial pregnancy