A 71-year-old woman presented to the emergency department complaining of increased abdominal perimeter with discomfort at this level of 1 month of evolution.
He had decreased quantity and consistency of his stools but not his frequency.
Her personal history included allergy to penicillin, hypertension, dyslipidemia and intrinsic asthma.
Physical examination revealed a palpable, hard and painful abdominal tumor.
Laboratory tests were normal and tumor markers were negative.
Abdominal-pelvic computed tomography (CT) and abdominal ultrasound showed normal adnexa, linear endometrium and the existence of a solid mass of 17.6 x 17.6 x 11 cm without being able to specify origin.
The patient was operated on in a programmed fashion by an infraumbilical midline sigmoid Service, which showed a tumor of approximately 20 cm in the mesentery adhering to a small intestine loop and colon.
The guardian surgeon who performed excision of the tumor with intestinal resection of 50 cm and suture of deerated area of the sigmoid colon was informed.
On the 7th postoperative day she was reoperated on urgently for presenting acute abdomen performing resection of perforated sigmoid colon and T-T anastomosis.
The patient was discharged 17 days after the second intervention.
Pathology showed fusocellular proliferation without atypia and occasional mitosis.
Tumor cells are positive with vimentin and CD117 (C-Kit).
Currently, one and a half year after the intervention, she is asymptomatic and in adjuvant treatment with imatinib mesylate.
