PMC4704417_01
June 16, 2006. A large soft tissue mass with dumb-bell shape and partial cystic degeneration, measuring 25 cm x 13.5 cm x 7 cm. The mass was enlarged since the prior operation 2 months previously. It surrounded the right external and internal iliac veins, right common iliac vein and distal inferior vena cava. It was close in proximity to the right common and internal iliac arteries and aorta up to the level of the right kidney
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Fig1
Contrast-enhanced computed tomography (Fig. 1) of the abdomen and pelvis demonstrated a large soft tissue mass with partial cystic degeneration, measuring 25 cm x 13.5 cm x 7 cm.
Pathologic diagnosis. The tissue was rich in blood vessels, and tumor cells were arranged around the blood vessels (hematoxylin and eosin, 100x)
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Fig2
Postoperative pathology confirmed this mass to be an intravenous leiomyoma arising from the right internal iliac vein (Fig. 2).
March 26, 2007. There was a soft tissue mass close to the site of the prior tumor near the right internal iliac vessels, measuring 3.5 cm x 4.0 cm x 4.0 cm. Additionally, a left sided mass behind the bladder, measured 3.0 cm x 5.0 cm x 6.5 cm
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Fig3
A separate mass was also seen posterior to the bladder on the left, measuring 3 cm x 5 cm x 6.5 cm (Fig. 3).
Oct 7, 2010. A pelvic mass to the right of the bladder and rectum measuring 4 .0 cm x 2.0 cm
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Fig4
The largest cross-sectional area was 4.0 cm x 2.0 cm (Fig. 4).
July 3, 2015. No signs of recurrence were detected at follow up
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Fig5
At most recent follow-up 8 years after radiation therapy in July 2015 the patient remains without evidence of recurrence on physical examination and CT images (Fig. 5).