Tuberculous peritonitis is a rarely encountered disease occurring as result of disease’s spreading out of a primer focal point such as pulmonary tuberculosis. Cirrhosis, HIV, diabetes, malignancy, and peritoneal dialysis are among the risk factors. It was reported that the incidence of tuberculous peritonitis varied between 0.1% and 0.7% among the types of tuberculosis. In general, it progresses secondary to the pulmonary tuberculosis. Encountering primer tuberculosis in healthy children without tuberculosis focal point has been rarely reported in the literature. These patients can present clinical and laboratory findings such as the feeling of abdominal discomfort, swelling, weight loss, fever and increase at tumour markers. The late diagnosis of patients causes a specific increase at mortality and morbidity. In this case, we aimed to present the radiological findings of tuberculous peritonitis diagnosed lately in a healthy child without any primary disease.

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