Primary Abdominal Cocoon with Right Intra-Abdominal Cryptorchidism: A Case Report

Background: Primary abdominal cocoon is a special peritoneal disease and easily cause misdiagnosis and mistreatment. Few cases have been reported primary abdominal cocoon with intra-abdominal cryptorchidism in the literature. Case presentation: We admitted one case of a 41-year-old male patient with primary abdominal cocoon and right intra-abdominal cryptorchidism. The main symptom of this patient was intermittent abdominal pain for more than one month, preoperative CT results showed that part of the small intestine folded into a mass, which was suspected of abdominal cocoon. Part of the small intestine was wrapped by fibrous membrane and the right testicle were observed in the abdominal cavity during the operation. Intestinal adhesion release and right cryptorchidectomy were performed successfully. Pathological results revealed that the membranous material was fibrous connective tissue with chronic inflammatory cell infiltration and no spermatogenic cells and sperm were observed in the seminiferous tubules of the testicular tissue. Conclusion: This article reports one case of primary abdominal cocoon with right intra-abdominal cryptorchidism. Primary abdominal cocoon lacks specific clinical manifestations, part of patients may have cryptorchidism and the diagnosis is difficult. We should improve the understanding of primary abdominal cocoon to better save the life of patient.