Highlights This case series is a good review of different variants of retroperitoneal cysts and their distinct morphological and clinical features, which would be helpful to differentiate among them. It emphasizes the symptomatology and different tools to investigate them preoperatively, especially the role of radiological investigations. It gives a detailed discussion of the different treatment options and their outcomes. This case series has been written in a very convenient but concise manner to make it easier for the readers to extract maximum out of it.