CT-Guided Fine-Needle Aspiration Cytology of Solid Pseudopapillary Tumor of the Pancreas: Case Series and Review of Literature

Introduction: Solid pseudopapillary tumor is a rare entity considered to be a tumor of low malignant potential and therefore proper evaluation and diagnosis is important. Case Series: We report two cases of solid pseudopapillary tumor with special emphasis on cytomorphology, histopathology and immunohistochemistry. Preoperative image guided cytopathology is helpful for correct identification of this unusual neoplasm as complete resection is the treatment of choice and is associated with long term survival even in the presence of metastatic disease. Conclusion: Solid pseudopapillary tumor is a distinctive pancreatic neoplasm whose cell phenotype remains a mystery, so we report this case series with extensive literature review.