Incidental findings of gastrointestinal tumours at abdominal ultrasound examinations

Lyttkens, K.Lund University,Lunds universitet,Diagnostisk radiologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Diagnostic Radiology, (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine (författare)

A retrospective review was performed of 11 patients referred to ultrasound examination because of abdominal pain and/or a palpable abdominal tumour, which eventually was proven to be gastrointestinal malignancy. Primary gastric carcinoma was present in 4 cases, carcinoma of the small bowel in one case, and of the large bowel in 6 cases. All the patients were examined with conventional ultrasound technique using a 3.5 MHz and a 5.0 MHz transducer. In all the cases bowel wall thickness exceeded 10 mm. A correct organ localization and primary diagnosis of tumour was made in 6 cases, of which only 2 had a palpable abdominal mass. In the remaining cases a bowel tumour was revealed in 3 but the site was incorrectly defined. Reviewing the documentations made at ultrasonography in these cases the tumour origin corresponded well with radiologic and surgical findings. In 2 patients an abscess was diagnosed which later proved to be due to a large bowel carcinoma. Ultrasound examination of patients with uncharacteristic abdominal complaints can spare the patient unnecessary examinations when the findings are pointing at a tumour in the gastrointestinal tract, save time and therefore is of economical importance.

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