Microscopic examination reveals pseudopapillae, and immunohistochemistry aids diagnosis with positive staining for estrogen receptor, progesterone receptor, CD10, and CD99.<h4>Conclusion</h4>SPN, a rare pancreatic neoplasm predominantly affecting young females, may present with abdominal pain or palpable mass despite its usual asymptomatic nature. This evidence concerns the gene CD99 and pancreatic neoplasm.