Alveolar Soft Part Sarcoma of Urinary Bladder Occurring as a Second Primary Malignancy: A Case Report and Literature Review

<div>Periodic acid Schiff (PAS) staining on high-powered field. The tumor showed positive stain and it demonstrated characteristic diastase-resistant crystalline structures with rhomboid and rod-like structure in some tumor cells (arrow).</div>

Case Reports in Urology

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Figure 3

Figure 3: Alveolar Soft Part Sarcoma of Urinary Bladder Occurring as a Second Primary Malignancy: A Case Report and Literature Review 