[Acute scrotum from testicular involvement in acute lymphocytic leukemia: a case report].

A 8-year-old boy with acute lymphocytic leukemia (ALL) had received chemotherapy and a complete bone marrow remission was obtained. Then he underwent bone marrow transplantation. After 6 months, he suddenly got left flank-low abdominal pain. Sequentially, he had swelling and redness of left scrotum, left testicular swelling and tenderness. Incision was done and enlarged and hard testis was diagnosed as testicular tumor, left orchiectomy was performed. Histological diagnosis was involvement of ALL, so he received radiotherapy. He remains free of disease by the present after 7 months.