Calcifying Fibrous Pseudotumor of the Pancreas in a Patient With Metastatic Mammary Lobular Carcinoma and Gastric Gastrointestinal Stromal Tumor: A Previously Undescribed Benign Mimic of Metastatic Disease
Abstract:Calcifying fibrous pseudotumor, a benign spindle cell tumor, has not been reported previously in the pancreas. Herein, we report a case of pancreatic calcifying fibrous pseudotumor in a 74year-old female with a history of metastatic breast carcinoma and gastric gastrointestinal stromal tumor (GIST), both confounding the diagnosis and rendering it more challenging. Microscopic examination showed a well-demarcated, paucicellular, densely fibrotic tumor with widespread dystrophic calcifications and sparse, cytolo… Show more
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