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  • Title: [Clinical and occult testicular relapses in children with acute lymphoblastic leukemia. Treated with the D.74 and pethema 7/78 protocols].
    Author: Ortega JJ, Javier G, Torán N.
    Journal: An Esp Pediatr; 1984 Sep 15; 21(3):199-214. PubMed ID: 6594962.
    Abstract:
    The incidence of testicular infiltrates in 68 boys with acute lymphoblastic leukemia in first remission (1974-81), was prospectively investigated through careful clinical exams and routine bilateral biopsies at 2-3 years of remission. All boys were under 14 years of age and they were treated with protocols D.74 and pethema 7/78. Seven patients (10.3%) presented an isolated testicular relapse (ITR) during the chemotherapy period. In 13 out of the 43 testicular biopsies (31%) leukemic infiltrates were found and in other 2 findings were controversial. Three boys, two of them whose previous biopsy was negative, had an ITR, 6 to 18 months after stopping therapy. Finally, other 3 had simultaneous relapses in testes and bone-marrow: one during chemotherapy and two after suppression. In total, 23 patients (33.8%) in first remission had overt or occult ITR. Overall incidence of testes leukemia, is calculated to be 40% in all the group. Incidence of early and occult ITR was higher in boys with initial WBC counts over 20 X 10 9/l. Therapy in ITR generally consisted in local radiotherapy (20-25 Gy), a new induction treatment followed by 2 year maintenance treatment; in 3 patients with early ITR, orchidectomy was also performed and six were given a new preventive SNC treatment. Clinical course in the 7 patients with early ITR was unfavourable in 5 with subsequent hematological relapses and death; one had a long-term disease-free survival (78 + months) and the other was a recent case. 10 out of the 13 patients with occult infiltrates followed in remission and four were of treatment with a follow-up over 64 months. The 3 patients with late ITR were in second remission at 8-14 months after a new cessation of therapy. It may be concluded from this study that prognosis in ITR is related to the phase of presentation: It is unfavourable in cases of early ITR but in cases of occult infiltrates detected by routine biopsies and in late ITR the combined therapy is effective in most cases.
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