Article Abstract

Transabdominal ultrasonographic features in the diagnosis of gastrointestinal lymphoma

Authors: Maha Hasaballah, Raafat Abdel-Malek, Zeinab Zakaria, Mohamad Saeed Marie, Mohammed Sherif Naguib

Abstract

Background: Gastrointestinal (GI) lymphoma is a challenging disease. We aimed to study and characterize the different endoscopic and transabdominal ultrasonography (TUS) features of gut lymphoma and to assess whether TUS has a complementary role to endoscopy in the diagnosis of GI lymphoma.
Methods: This study was conducted on 21 patients with GI lymphoma, attending the GI endoscopy and liver unit, Endemic Medicine Department and Oncology Department in Kasr El Aini hospital, Cairo University. Patients were subjected to GI endoscopy (upper endoscopy & colonoscopy) and transabdominal ultrasonography. The diagnosis was finally based on histopathology of core biopsies (obtained either endoscopically or by ultrasonography) and immuno-histochemistry.
Results: In all 21 patients with GI lymphoma included in this study, TUS could accurately determine the site of disease affection compared to endoscopy which is considered the gold standard for site localization. The main TUS pathologic features detected were increased wall thickness of the affected bowel segment with a mean value of (15.6±5.9 mm) and loss of layering pattern in 16 patients (76%). While the most common endoscopic features were ulcers and mass lesions accounting for 38% of the patients for each. Diffuse large B-cell lymphoma was found in 19 patients (90%). Because of endoscopic biopsies were conclusive in 14 patients (67%), TUS guided biopsy was resorted to in 7 patients and was diagnostic in all of them.
Conclusions: Transabdominal ultrasonography is a useful tool in the diagnosis of GI lymphoma that is complementary to conventional diagnostic endoscopic procedures.

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