# When Tuberculosis Defies Appearances: The Tale of a Deceptive Abdominal Mass on Imaging

## TL;DR

This paper discusses a rare case where tuberculosis in the abdomen mimics a tumor, making diagnosis difficult even with advanced imaging.

## Contribution

The novelty lies in presenting a case of retroperitoneal tuberculosis that resembled a teratoma on imaging, emphasizing diagnostic challenges.

## Key findings

- Tuberculosis can appear as a hypervascular abdominal mass resembling a malignant tumor.
- Imaging techniques like ultrasound and CT may fail to distinguish tuberculosis from teratomas.
- Invasive diagnostic methods may be necessary for confirmation in ambiguous cases.

## Abstract

Tuberculosis poses a significant public health challenge, especially in highly endemic countries. Rarely, it appears as an abdominal mass resembling a malignant abdominal tumor and can be misleading on imaging, so early diagnosis remains a challenge, and confirmation may require invasive examinations such as laparotomy. The most characteristic radiological appearance is that of a solid, hypervascular, or peripherally enhancing mass with a hypodense center. We present a case of retroperitoneal tuberculosis that simulated a teratoma on imaging. This case highlights the diagnosis difficulties even in endemic countries, despite advances in imaging techniques such as ultrasound and computed tomography.