PMC7775967_01
Abdominal CT-scan. A: axial section, with tumor imprinting and displacing the bladder (red arrow). B: coronal section, enlarged uterus, globally hypodense, and globular in appearance (red arrow). C: sagittal section, straight in contact with the uterine silhouette, without detectable focal alterations (red arrow).
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The computed tomography (CT) of the abdomen and pelvis showed an enlarged, globular, hypodense uterus displacing the bladder, and the rectus did not present detectable alterations (Fig. 1).
MRI of the abdomen and pelvis with gadolinium contrast. A: axial section, showing a voluminous, solid, and heterogeneous lesion in the topography of the uterine body (red arrow). B: coronal section, lesion measuring 10 x 9.8 x 9.6 cm (red arrow). C: sagittal section, rectum, and perirectal fat are preserved (red arrow).
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The remaining part presented no alterations (Fig. 2).
A: coloanal anastomosis. B: surgical specimen, a segment of the sigmoid colon and upper rectum (left), and a pelvic tumor measuring 10 x 10 x 9.5 cm (right).
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It was decided to perform a pull-through technique with coloanal anastomosis (Fig. 3).
Extragastrointestinal stromal tumor. A and B: spindle cell pattern. HE 400x and 600x, respectively. C and D: positive IHC technique for SMA and CD34, respectively. E and F: positive IHC technique for CD117 and DOG1, respectively.
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Abdominal CT-scan showing changes in twenty months of treatment with imatinib. A: axial section, we found hysterectomy findings without local relapse (red arrow). B: sagittal section, visualizing the bladder without parietal or endoluminal lesions (red arrow). C: axial section, the rectum, and perirectal fat are preserved (red arrow).
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