Waldmann's disease: Primary intestinal lymphangiectasia diagnosed by 99mTc-labeled albumin macroaggregate scintigraphy-A case report in an adult patient.

Key Clinical Message: Rare yet significant, this case sheds light on the uncommon presentation of Waldmann's disease in adults, showcasing the diagnostic challenges it poses. A multidisciplinary approach, integrating clinical, endoscopic, histological, and radiological evaluations, is crucial for accurate diagnosis and management. Further research is needed to deepen our understanding of this complex disorder.