Aggressive Angiomyxoma of Childhood: Two Unusual Cases Developed in the Scrotum
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- Kim, HS., Park, SH. & Chi, J. Pediatr. Dev. Pathol. (2003) 6: 187. doi:10.1007/s10024-001-0255-3
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Aggressive angiomyxoma (AAM) is a locally invasive soft tissue tumor and is predominantly found in the female pelvis and perineum. The incidence of AAM in adult and adolescent males is low, and is very rare in male children. However, two cases of AAM occurred in the scrotum of 8-year-old and 1-year-old boys. Grossly, both tumors were ill-delineated nodules showing myxoid homogenous and lobulated cut surface. The scrotum of case 2 was replaced by the exuberant mass, making a polypoid appearance. On microscopic examination, both had hypocellular myxoid stroma, spindle and stellate stromal cells, and blood vessels of various calibers. Both lesions typically showed infiltrating borders and penetrated into skin adnexa and Dartos' muscle fibers. AAM should be considered in the differential diagnosis of a scrotal mass found in childhood.