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Year : 2016  |  Volume : 53  |  Issue : 4  |  Page : 595-599

Second primary malignancy: A retrospective analysis report from a tertiary cancer center of North India

Department of Radiation Oncology, VMMC and Safdarjung Hospital, New Delhi, India

Correspondence Address:
D Sharma
Department of Radiation Oncology, VMMC and Safdarjung Hospital, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijc.IJC_542_16

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AIM OF STUDY: We analyzed the data of second primary malignancy (SPM) from one of the tertiary cancer centers of North India, and the basic aim was to retrieve incidence, prognosis, and outcomes. MATERIALS AND METHODS: A retrospective study was conducted in the Department of Radiation Oncology in a tertiary cancer center between January 1, 2011, and December 31, 2015. A total of 6000 cases of cancer were analyzed, out of which cases who presented with histological proven synchronous SPM were included in this study. RESULTS: The present study showed three cases (8.1%) of SPM who are attributed to field carcinogenesis. There were five cases in which metachronous malignancy develops in the previous radiation therapy field. There is 26% of synchronous malignancy as compared to 74% of metachronous malignancy. In the present study, most diagnosed synchronous malignancies were carcinoma breast, while in metachronous malignancies, carcinoma breast and gynecological cancers were most common. CONCLUSIONS: SPMs are not very rare. Hence, pretreatment and follow-up evaluation should be meticulous to rule out SPMs.


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