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Case Reports
. 2007 Oct 28;13(40):5400-2.
doi: 10.3748/wjg.v13.i40.5400.

Sigmoid colon endometriosis treated with laparoscopy-assisted sigmoidectomy: significance of preoperative diagnosis

Motohira Yoshida  1 , Yuji Watanabe, Atsushi Horiuchi, Yuji Yamamoto, Hiroki Sugishita, Kanji Kawachi
Affiliations
Case Reports

Sigmoid colon endometriosis treated with laparoscopy-assisted sigmoidectomy: significance of preoperative diagnosis

Motohira Yoshida et al. World J Gastroenterol. .

Abstract

We present a female patient with sigmoid colon endome-triosis who was diagnosed correctly preoperatively and underwent minimally invasive surgery. She was admitted to our hospital with rectal bleeding and constipation. We performed several workups. Colonoscopy and endoscopic ultrasonography showed sigmoid colon stenosis caused by submucosal tumor, and magnetic resonance imaging revealed a sigmoid colon tumor displaying signal hy-pointensity on both T1- and T2-weighted imaging. However, colonoscopic ultrasonography-assisted needle aspiration biopsy could not specify tumor characteristics. From these examinations, the lesion was diagnosed as sigmoid colon endometriosis and laparoscopy-assisted sigmoidectomy was performed. Pathological diagnosis from the resected specimen was identical to preoperative diagnosis, i.e., colonic endometriosis. Since differential diagnosis of intestinal endometriosis seems difficult, a cautious preoperative diagnosis is required to select treatments including minimally invasive surgery.

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Figures

Figure 1
Figure 1
Barium enema shows sigmoidal stenosis with smooth inner lumen.
Figure 2
Figure 2
EUS shows iso to high echoic submucosal tumor in the 3rd echoic layer.
Figure 3
Figure 3
MRI (T2 weighted image) shows a sigmoidal tumor lesion with low signal intensity.
Figure 4
Figure 4
Gross examination of the resected specimen.
Figure 5
Figure 5
Tumor comprising endometrial-like grands and smooth muscle cells (× 200).
See this image and copyright information in PMC

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