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 Table of Contents  
CASE REPORT
Year : 2016  |  Volume : 5  |  Issue : 4  |  Page : 333-335

Breast cancer as second malignant neoplasm after acute myeloid leukemia: A rare occurrence


Department of Medical Oncology, Kidwai Memorial Institute of Oncology, Bengaluru, Karnataka, India

Date of Web Publication12-Jul-2016

Correspondence Address:
Smitha Carol Saldanha
Department of Medical Oncology, Kidwai Memorial Institute of Oncology, Bengaluru - 560 029, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2278-0513.186105

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  Abstract 


Cancer survivors after successful treatment of hematological and lymphoid malignancies are at an increased risk for second malignant neoplasms. As the overall survival has increased in these cancers, solid tumors are emerging as a serious long-term complication. In this article, we describe such a rare occurrence, in literature, of breast cancer after the treatment of acute myeloid leukemia.

Keywords: Acute myeloid leukemia, breast cancer, chemotherapy, second malignant neoplasm


How to cite this article:
Babu G, Saldanha SC, Babu MS, Kuntegowdanahalli LC, Rajeev LK, Lokesh KN, Dasappa L, Jacob LA, Haleshappa RA. Breast cancer as second malignant neoplasm after acute myeloid leukemia: A rare occurrence. Clin Cancer Investig J 2016;5:333-5

How to cite this URL:
Babu G, Saldanha SC, Babu MS, Kuntegowdanahalli LC, Rajeev LK, Lokesh KN, Dasappa L, Jacob LA, Haleshappa RA. Breast cancer as second malignant neoplasm after acute myeloid leukemia: A rare occurrence. Clin Cancer Investig J [serial online] 2016 [cited 2019 Oct 16];5:333-5. Available from: http://www.ccij-online.org/text.asp?2016/5/4/333/186105




  Introduction Top


People can have more than one cancer in their lifetime. Patients who survive cancer, especially hematological and lymphoid malignancies with successful treatment, are at an increased risk for second malignant neoplasms (SMNs). As the survival times have increased in these cancers, second solid tumors are emerging as a serious long-term complication. Not all second cancers are due to cancer treatment. Certain inherited gene changes such as BRCA 1 and BRCA 2 can increase a woman's risk for both breast and ovarian cancers.[1] Exposure to certain cancer-causing substances, such as tobacco smoke, puts a person at higher risk for different cancers such as cancers of the lung, larynx, throat, and mouth.[2]


  Case Report Top


We report an unusual case of a woman treated for acute myeloid leukemia (AML) 7 years ago who presented to us with newly diagnosed breast cancer. She was diagnosed as AML - M2 in the year 2007 after a complete workup. She was treated with the standard induction chemotherapy regimen of 3 + 7 daunomycin and cytarabine. As she did not achieve complete remission (CR) after the first induction, she received a second induction chemotherapy regimen with daunomycin, cytarabine, and mitoxantrone. After the second induction, her bone marrow showed CR. She was further given four cycles of consolidation with high-dose cytarabine with growth factor support. She successfully completed her treatment in December 2007. She was on regular follow-up for the next 7 years and was asymptomatic. During her follow-up, her hemogram was normal on all the subsequent visits. In February 2014, she noticed a lump in the left breast, about the size of a lemon. On examination, the mass was found to be outer quadrant of the left breast, measuring around 2 cm × 2 cm. It was not associated with pain or discharge from the nipple. There was no associated swelling in the left and right axilla. Fine-needle aspiration cytology was done from the lump which showed duct carcinoma. She underwent left modified radical mastectomy, with axillary lymph node dissection. Histopathology report showed invasive duct carcinoma, grade 2, with clear margins and no lymphovascular emboli. Her hormonal receptor status was triple negative. Following the surgery, she received adjuvant chemotherapy with three cycles of FEC and three cycles of docetaxel given thrice weekly. She is at present on regular follow-up after the completion of adjuvant treatment and is disease-free till the date of writing this article.


  Discussion Top


The second- and higher-order malignancies comprise about 18% of all cancers. Solid tumors comprise a leading cause of mortality among long-term survivors, including patients with Hodgkins lymphoma (HL), non-HL (NHL), and acute leukemias.[2] The occurrence of SMNs is influenced by various factors such as late effects of cancer therapy, genetic predisposition, environmental factors, and shared etiological factors with the primary cancer such as obesity and host factors.

In this article, we report the rare occurrence of breast cancer as a second malignancy after the treatment of leukemia with anthracyclines and cytarabine. In literature, the occurrence of AML following the adjuvant treatment of breast cancer with anthracyclines and taxanes is more commonly reported, and the vice versa is not mentioned so far.[2],[3],[4]

The treatment of AML has improved over the past few decades. Aggressive induction with more potent intensification regimens with chemotherapy alone or chemotherapy plus stem cell transplantation (SCT) has improved the treatment results.[1],[2],[3],[4],[5],[6],[7] The present risk stratification based on cytogenetics has tailored the treatment of AML and prognosis is better. However, patients who have received cytotoxic therapy with chemotherapy drugs such as anthracyclines, epipodophyllotoxins, and/or radiotherapy are at a risk for long-term complications, especially the occurrence of a second cancer. SMNs are a known complication of chemotherapy and irradiation treatment for patients with HL, NHL, and have also been reported after SCT.[8],[9],[10],[11],[12] Risks for selected SMNs are also modified by age at exposure and attained age.[4] Travis et al. categorized SMNs into three major groups according to the predominant etiologic factor: Treatment-related, syndromic, and due to shared etiologic influences.[8] Although a causal link has not been proven, these neoplasms are thought to be a direct consequence of mutational events caused by cytotoxic therapy. Both ionizing radiation and many chemotherapy drugs alter cellular DNA. Such an alteration of DNA might involve a single base change, deletion or inactivation of a growth suppressor gene, or changes in the expression of certain critical oncogenes or growth factor receptor genes.

Secondary malignant neoplasms have been reported especially in the context of cranial irradiation and administration of epipodophyllotoxins. Long-term cumulative incidences of second malignancies have been estimated between 1.5% and 5.9%.[13]

Earlier studies showed an increased risk of new malignancies after the treatment of childhood ALL.[13] Hematologic malignancies develop relatively early, but solid cancers have a longer latency period. In a study among adult ALLs, the median time from the diagnosis of ALL to the diagnosis of the second malignancy was 1.7 years for AML/myelodysplastic syndrome (MDS), whereas it was 6.9 years and 3.7 years for skin tumors and other solid tumors, respectively. The risk for developing a solid tumor increased over time and was highest among patients who had undergone transplantation as postremission therapy. Patients who have undergone SCT have an increased risk for secondary cancers compared with the general population of patients. The risk of secondary neoplasm in adult ALL survivors may be influenced by genetic or other predisposing factors as well as by the treatment given for the primary disease, as shown in [Table 1].
Table 1: Etiological factors of multiple primary cancers and second malignant neoplasms

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Chemotherapy-related malignancies

Multiagent chemotherapy used as part of a multimodality therapy for malignant disease has increased the difficulty of assessing which agents might play a causative role in the development of SMNs. Alkylating agents and DNA-topoisomerase II inhibitors have been linked to the development of secondary AML and MDS. Alkylating agents and irradiation both possess strong mutagenic activity. Treatment-related leukemia typically occurs in the first 10 years after treatment after which risk tapers a little. Other drug classes with leukemogenic potential include topoisomerase II inhibitors, leading to secondary leukemia characterized by 11q23 chromosomal abnormalities and platinum-based chemotherapy.[2],[3],[5] In addition to leukemia risk, alkylating chemotherapy has been related to solid tumors, notably lung cancer, gastrointestinal cancer, sarcoma, and bladder cancer.[5] Furthermore, the use of rituximab along with high-dose therapy and autologous SCT for lymphoma has been implicated as a possible risk factor for the development of subsequent solid tumors.


  Conclusion Top


Second neoplasms may result from a specific combination of age, genetics, first malignancy, and therapy. The biologic characteristics of the malignant cells may be associated with the development of malignancy. Therapy-related secondary neoplasms have been identified in patients receiving radiotherapy, chemotherapy, or combined modality therapy for a variety of primary neoplasms and need to be constantly watched for in follow-up.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.

 
  References Top

1.
Travis LB, Bhatia S, Allan JM, Oeffinger KC, Ng A. Second cancers. In: Devita, Hellman, and Rosenberg's Cancer: Principles & Practice of Oncology. 10th ed. Philadelphia: Lippincott Williams & Wilkins; 2015. p. 2047-66.  Back to cited text no. 1
    
2.
Tavernier E, Le QH, Botton ES, Dhedin N, Bulabois CE, Reman O, et al. Secondary or concomitant neoplasms among adults diagnosed with acute lymphoblastic leukemia and treated according to the LALA-87 and LALA-94 trials. Cancer 2007;110:2740-55.  Back to cited text no. 2
    
3.
Larson RA, Dodge RK, Burns CP, Lee EJ, Stone RM, Schulman P, et al. A five-drug remission induction regimen with intensive consolidation for adults with acute lymphoblastic leukemia: Cancer and leukemia group B study 8811. Blood 1995;85:2025-37.  Back to cited text no. 3
    
4.
Durrant IJ, Prentice HG, Richards SM. Intensification of treatment for adults with acute lymphoblastic leukaemia: Results of U.K. Medical Research Council randomized trial UKALL XA: Medical research council working party on leukaemia in adults. Br J Haematol 1997;99:84-92.  Back to cited text no. 4
    
5.
Kantarjian H, Thomas D, O'Brien S, Cortes J, Giles F, Jeha S, et al. Long-term follow-up results of hyperfractionated cyclophosphamide, vincristine, doxorubicin, and dexamethasone (Hyper-CVAD), a dose-intensive regimen, in adult acute lymphocytic leukemia. Cancer 2004;101:2788-801.  Back to cited text no. 5
    
6.
Hoelzer D, Thiel E, Ludwig WD, Löffler H, Büchner T, Freund M, et al. Follow-up of the first two successive German multicentre trials for adult ALL (01/81 and 02/84). German Adult ALL Study Group. Leukemia 1993;7 Suppl 2:S130-4.  Back to cited text no. 6
    
7.
Thomas X, Boiron JM, Huguet F, Dombret H, Bradstock K, Vey N, et al. Outcome of treatment in adults with acute lymphoblastic leukemia: Analysis of the LALA-94 trial. J Clin Oncol 2004;22:4075-86.  Back to cited text no. 7
    
8.
Travis LB, Curtis RE, Glimelius B, Holowaty E, Van Leeuwen FE, Lynch CF, et al. Second cancers among long-term survivors of non-Hodgkin's lymphoma. J Natl Cancer Inst 1993;85:1932-7.  Back to cited text no. 8
    
9.
Boivin JF, Hutchison GB, Zauber AG, Bernstein L, Davis FG, Michel RP, et al. Incidence of second cancers in patients treated for Hodgkin's disease. J Natl Cancer Inst 1995;87:732-41.  Back to cited text no. 9
    
10.
Bhatia S, Ramsay NK, Steinbuch M, Dusenbery KE, Shapiro RS, Weisdorf DJ, et al. Malignant neoplasms following bone marrow transplantation. Blood 1996;87:3633-9.  Back to cited text no. 10
    
11.
Curtis RE, Rowlings PA, Deeg HJ, Shriner DA, Socíe G, Travis LB, et al. Solid cancers after bone marrow transplantation. N Engl J Med 1997;336:897-904.  Back to cited text no. 11
    
12.
Bhatia S, Louie AD, Bhatia R, O'Donnell MR, Fung H, Kashyap A, et al. Solid cancers after bone marrow transplantation. J Clin Oncol 2001;19:464-71.  Back to cited text no. 12
    
13.
Neglia JP, Meadows AT, Robison LL, Kim TH, Newton WA, Ruymann FB, et al. Second neoplasms after acute lymphoblastic leukemia in childhood. N Engl J Med 1991;325:1330-6.  Back to cited text no. 13
    



 
 
    Tables

  [Table 1]


This article has been cited by
1 Cytarabine/daunorubicin/mitoxantrone
Reactions Weekly. 2018; 1715(1): 75
[Pubmed] | [DOI]



 

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