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Indian Journal of Medical and Paediatric Oncology
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CASE REPORT
Year : 2010  |  Volume : 31  |  Issue : 1  |  Page : 33-35 Table of Contents     

Secondary acute myeloid leukemia after successful treatment for osteosarcoma


1 Unit of Pediatric Oncology, Department of Medical Oncology, Kuwait Cancer Control Centre, Kuwait
2 Unit of Pediatric Oncology, Department of Hematology, Kuwait Cancer Control Centre, Kuwait

Date of Web Publication27-Aug-2010

Correspondence Address:
Rakesh Mittal
Unit of Pediatric Oncology, Department of Medical Oncology, Post Box - 42262, Shuwaikh 70653
Kuwait
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-5851.68852

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  Abstract 

Secondary acute myeloid leukemia (sAML) is a rare complication following chemotherapy for osteogenic sarcoma. However, the exact offending drug is difficult to prove as there is no consistent data. It usually develops 2 years after completion of therapy. We report a case of sAML that developed within 8 months of completing the treatment. The patient was treated with cisplatin, doxorubicin and high-dose methotreaxate followed by surgery (amputation). Eight months after completion of therapy, while on follow-up, he presented with leukocytosis and thrombocytopenia and confirmed to have AML.

Keywords: Acute myeloid leukemia, chemotherapy, osteosarcoma, secondary malignancy


How to cite this article:
Mittal R, Ramaswamy N V, Pandita R, Al Bahar S, Khalifa N, Omar S. Secondary acute myeloid leukemia after successful treatment for osteosarcoma. Indian J Med Paediatr Oncol 2010;31:33-5

How to cite this URL:
Mittal R, Ramaswamy N V, Pandita R, Al Bahar S, Khalifa N, Omar S. Secondary acute myeloid leukemia after successful treatment for osteosarcoma. Indian J Med Paediatr Oncol [serial online] 2010 [cited 2020 Sep 19];31:33-5. Available from: http://www.ijmpo.org/text.asp?2010/31/1/33/68852


  Introduction Top


Secondary acute myeloid leukemia (sAML) is an uncommon serious second malignant neoplasm (SMN) following chemotherapy for various cancers. The most common offending drugs are alkylating agents and topoisomerase II inhibitors. Among the topoisomerase II inhibitors, epipodophyllotoxins are the most common drugs responsible for sAML. [1],[2],[3],[4],[5]

Osteosarcoma (OS) is the most common malignant bone tumor that affects adolescents and young adults. It is treated by preoperative chemotherapy, surgery and postoperative chemotherapy. Various SMNs have been reported in OS patients. [6],[7],[8],[9] sAML as a rare complication of OS has also been reported in the literature. [10],[11],[12],[13],[14] We report a case of sAML in an 8-year-old child within 8 months of completing treatment for OS.


  Case Report Top


This 8-year-old boy was diagnosed with nonmetastatic osteosarcoma of the left lower femur. He was treated with neoadjuvant chemotherapy with PAM protocol (cisplatin, doxorubicin, high-dose methotrexate). A reduction of tumor size was noted after presurgery chemotherapy. However, as the tumor was radiologically close to the posterior vessels, he was not considered for limb conservation surgery and underwent transfemoral amputation. Histopathology showed good response to preoperative chemotherapy (more than 90% necrosis). After amputation, the patient was continued on postoperative chemotherapy. He received total cumulative doses of cisplatin (720 mg/m 2 ), doxorubicin (450 mg/m 2 ) and high-dose methotrexate (144 g/m 2 ). After completion of the therapy, he was on regular follow-up every 2 months with blood tests and radiological examination of the local area and chest.

Within 8 months of treatment completion, he presented with multiple purpuric spots over the neck and arms. The complete blood count showed a white blood cell count of 45.3Χ10/l, Hb of 13.2 g/l and platelets 6Χ10/l, with the peripheral smear showing 41% blasts. Bone marrow examination revealed hypercellularity with marked suppression of normal hematopoiesis and extensive infiltration by blasts (71%). Blasts were large, with moderate to abundant lightly basophilic cytoplasm. Some cells were vacuolated while others contained fine azurophilic granules. Nuclei were round and folded containing, one to three nucleoli [Figure 1]. On cytochemistry, the blasts were nonspecific estrase+++ (fluoride sensitive), Sudan black++, peroxidase+ and periodic acid Schiff stain diffuse weak+. Immunophenotyping analysis of gated cells showed that blasts expressed CD13, CD33, CD14, HLA-DR, CD68 and myeloperoxidase. Diagnosis of acute myelomonocytic leukemia was confirmed on the basis of morphology, cytochemistry and immunophenotyping (FAB-M4). On karyotyping, 30 metaphases were analyzed, of which 29 showed 46XY and the remaining one showed -5. Applying the 5q31/5p15 probe on bone marrow interphase cells, two chromosomes 5 were detected in 95% of the cells. Because the monosomy of chromosome 5 was detected only in one of the 30 examined metaphases, it was not of clonal origin. Before initiation of the treatment, the patient had severe pulmonary hemorrhage, to which he succumbed.
Figure 1 : Bone marrow morphology showing acute myeloid leukemia


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  Discussion Top


Development of SMNs in osteosarcoma patients is not uncommon. The 10-year cumulative incidence of SMN in OS patients reported varies from 2 + 1%, [6] to 4.6%. [8] This is higher than the expected rate for benign bone tumors, [8] but is less than the reported incidence for Hodgkin's disease (9.7%) [15] and retinoblastoma patients (30%). [16] Majority of the SMNs in OS reported in the literature are solid tumors of various organs or tissues. [6],[7],[8],[9] Presence of p53 mutation (Li Frumani syndrome) in OS patients increases the incidence of nontherapy-related synchronous or metachronous SMNs. [17] Our patient had no family history of malignancy. The occurrence of sAML in OS is a rare complication. Very few cases have been reported either as part of large series of SMNs in OS [6],[7],[8],[9] or as individual case reports. [10],[11],[12],[13] The median time to develop SMNs after OS varies from 5.5 years to 7.6 years. [6],[7],[8] The sAML developing after alkylating agents will have preceding myelodysplasia, long latency period and monosomy 5 or 7 with AML (FAB type M1 or M2). sAML after topoisomerase II inhibitors have shorter latent time, FAB M4-M5 type and have translocation involving the MLL gene at chromosome band 11q23. The common topoisomerase II inhibitors are epipodophyllotoxins (etoposide, tenoposide) and anthracyclines (adriamycin, mitoxantrone). The reported minimum time to develop sAML was generally more than 1 year. However, Escudero et al, [13] reported that one of their case developed sAML after 7 months while our case developed sAML after 8 months. This is less than the time period for sAML after therapy with epipodophyllotoxins. A majority of the reported cases of sAML after topoisomerase II inhibitors are due to etoposide. [3] The incidence of sAML in patients who received anthracyclins for the treatment of their primary tumors is not well known. In the series from Bacci et al.,[8] of the 35 patients who received only anthracyclines, none developed sAML. The common drugs used for chemotherapy in OS are adriamycin, cisplatin and high-dose methotrexate, but ifosfamide, vincristine, bleomycin and carboplatin are also used. These chemotherapeutic drugs are not attributed to sAML commonly. Cisplatin has been reported for sAML after germ cell tumors in young patients, [18] but not after OS treatment. It has been postulated that sAML in OS patients could be a synergistic effect of anthracyclins and cisplatin, which could be the likely cause in our case. [13]

Pyatt et al, [2] found no consistent relation between age at which chemotherapy was given and development of sAML, and concluded that younger age was not a risk factor for the development of sAML. The time interval between completion of chemotherapy for the primary tumor and development of sAML depends on the type of chemotherapy used. Escudero et al, [13] reported a case of sAML after treatment for OS, who developed myelodysplastic syndrome 9 months after completion of chemotherapy for OS and evolved into sAML after 14 months. He also had deletion of long arm of chromosome 7. Because that patient had a short latency period and had only one dose of ifosphamide, the authors could not confirm the offending drug as alkylating agent.

Kawai et al.,[12] while presenting two cases of sAML after OS treatment, compiled a series of 16 cases of acute leukemia following treatment for primary OS. In that series, there were only 10 confirmed cases of sAML. Three had prior myelodysplastic syndrome, of which two developed sAML. The most consistent cytogenetic abnormality was t(8q;21q), which was seen in five patients. Our patient did not have any clonal cytogenetic abnormality. The prognosis of the patients with sAML is generally considered poor compared to de novo AML. [19] Review of SEER data showed 5-year survival in sAML as 23.7%. [1] However, some authors have refuted this fact and have reported that survival could be equal to de novo AML, depending on the karyotyping abnormality. [20]

In conclusion, sAML is a rare complication after chemotherapy for OS. In a majority of the cases, it is related to the chemotherapeutic drugs used for the treatment of OS. However, the exact offending drug is difficult to prove as there is no consistent data. In view of the early onset of sAML reported in the literature, as in our case, patients need to be followed-up not only for the recurrence of OS but also for sAML.

 
  References Top

1.Hijiya N, Ness KK, Ribeiro RC, Hudson MM. Acute leukemia as a secondary malignancy in children and adolescents: Current findings and issues. Cancer 2009;115:23-35.  Back to cited text no. 1  [PUBMED]  [FULLTEXT]  
2.Pyatt DW, Aylward LL, Hays SM. Is age an independent risk factor for chemically induced acute myelogenous leukemia in children? J Toxicol Environ Health B Crit Rev 2007;10:379-400.   Back to cited text no. 2  [PUBMED]  [FULLTEXT]  
3.Felix CA. Secondary leukemias induced by topoisomerase-targeted drugs. Biochim Biophys Acta 1998;1400:233-55.   Back to cited text no. 3  [PUBMED]  [FULLTEXT]  
4.Smith MA, Rubinstein L, Ungerleider RS. Therapy-related acute myeloid leukemia following treatment with epipodophyllotoxins: Estimating the risks. Med Pediatr Oncol 1994;23:86-98.  Back to cited text no. 4  [PUBMED]    
5.Smith MA, Rubinstein L, Anderson JR, Arthur D, Catalano PJ, Freidlin B, et al. Secondary leukemia or myelodysplastic syndrome after treatment with epipodophyllotoxins. J Clin Oncol 1999;17:569-77.  Back to cited text no. 5  [PUBMED]  [FULLTEXT]  
6.Pratt CB, Meyer WH, Luo X, Cain AM, Kaste SC, Pappo AS, et al. Second malignant neoplasms occuring in survivors of osteosarcoma. Cancer 1997;80:960-5.   Back to cited text no. 6  [PUBMED]  [FULLTEXT]  
7.Hauben EI, Arends J, Vandenbroucke JP, van Asperen CJ, Van Marck E, Hogendoorn PC. Multiple primary malignancies in osteosarcoma patients. Incidence and predictive value of osteosarcoma subtype for cancer syndromes related with osteosarcoma. Eur J Hum Genet 2003;11:611-8.  Back to cited text no. 7  [PUBMED]  [FULLTEXT]  
8.Bacci G, Ferrari C, Longhi A, Ferrari S, Forni C, Bacchini P, et al. Second malignant neoplasm in patients with osteosarcoma of the extremities treated with adjuvant and neoadjuvant chemotherapy. J Pediatr Hematol Oncol 2006;28:774-80.   Back to cited text no. 8  [PUBMED]  [FULLTEXT]  
9.Aung L, Gorlick RG, Shi W, Thaler H, Shorter NA, Healey JH, et al. Second malignant neoplasms in long-term survivors of osteosarcoma: Memorial Sloan-Kettering Cancer Center Experience.Cancer 2002;95:1728-34.  Back to cited text no. 9  [PUBMED]  [FULLTEXT]  
10.Orazi A, Sozzi G, Delia D, Morandi F, Rottoli L, Cattoretti G. Acute monoblastic leukemia as a second malignancy following chemotherapy for osteogenic sarcoma: A case report. Pediatr Hematol Oncol 1988;5:39-46.   Back to cited text no. 10  [PUBMED]    
11.Jeha S, Jaffe N, Robertson R. Secondary acute non-lymphoblastic leukemia in two children following treatment with a cis-diamminedichloroplatinum-II-based regimen for osteosarcoma. Med Pediatr Oncol 1992;20:71-4.  Back to cited text no. 11  [PUBMED]    
12.Kawai A, Sugihara S, Naito N, Ozaki T, Isu K, Hatae Y, et al. Development of acute myeloid leukemia after chemotherapy for osteosarcoma. Clin Orthop Relat Res 2001;391:239-46.  Back to cited text no. 12  [PUBMED]    
13.Escudero MC, Lassaletta A, Sevilla J, Fernandez-Plaza S, Pιrez A, Diaz MA, et al. Chemotherapy-related secondary acute myeloid leukemia in patients diagnosed with osteosarcoma. J Pediatr Hematol Oncol 2004;26:454-6.  Back to cited text no. 13      
14.Pappo A, Schneider NR, Sanders JM, Buchanan GR. Secondary myelodysplastic syndrome complicating therapy for osteogenic sarcoma. Cancer 1991;68:1373-5.  Back to cited text no. 14  [PUBMED]    
15.Beaty O 3 rd , Hudson MM, Greenwald C, Luo X, Fang L, Wilimas JA, et al. Subsequent malignancies in children and adolescents after treatment for Hodgkin's disease. J Clin Oncol 1995;13:603-9.  Back to cited text no. 15      
16.Draper GJ, Sanders BM, Kingston JE. Second primary neoplasms in patients with retinoblastoma. Br J Cancer 1986;53:661-71.  Back to cited text no. 16  [PUBMED]  [FULLTEXT]  
17.Panizo C, Patiρo A, Calasanz MJ, Rifσn J, Sierrasesumaga L, Rocha E. Emergence of secondary acute leukemia in a patient treated for osteosarcoma: Implications of germline TP53 mutations. Med Pediatr Oncol 1998;30:165-9.  Back to cited text no. 17      
18.Schneider DT, Hilgenfeld E, Schwabe D, Behnisch W, Zoubek A, Wessalowski R, et al. Acute myelogenous leukemia after treatment for malignant germ cell tumors in children. J Clin Oncol 1999;17:3226-33.  Back to cited text no. 18  [PUBMED]  [FULLTEXT]  
19.Kern W, Haferlach T, Schnittger S, Hiddemann W, Schoch C. Prognosis in therapy-related acute myeloid leukemia and impact of karyotype. J Clin Oncol 2004;22:2510-1.  Back to cited text no. 19  [PUBMED]  [FULLTEXT]  
20.Schoch C, Kern W, Schnittger S, Hiddemann W, Haferlach T. Karyotype is an independent prognostic parameter in therapy-related acute myeloid leukemia (t-AML): An analysis of 93 patients with t-AML in comparison to 1091 patients with de novo AML. Leukemia 2004;18:120-5.  Back to cited text no. 20  [PUBMED]  [FULLTEXT]  


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