Four different malignancies in one patient: a case report
© Demirci et al; licensee BioMed Central Ltd. 2010
Received: 15 October 2009
Accepted: 8 February 2010
Published: 8 February 2010
Cancer survivors have a higher risk of new primary cancer, in the same or in another organ, than the general population. We report a 78-year-old women who has metachronous quadruple adenocarcinoma, includes bilateral breast cancer, ovarian cancer and retroperitoneal neuroendocrine carcinoma. The development of second cancer in cancer survivors can be expected but third or higher order malignancies are rare.
Cancer survivors are a growing group owing to improvements in widely scanning and treatment. In this group the most serious event is the diagnosis of a new second cancer. Also older people population increases. Thus two reasons occurrence of multiple primary cancers are likely to increase.
Cancer patients have a 20% higher risk of new primary cancer, in the same organ or in another organ, compared with the general population. Also, second cancers have become a leading cause of death among long-term cancer survivors . Individual susceptibility factors remain largely unknown but, it may not necessarily be attributable solely to prior cancer treatment but may also reflect the effect of shared etiologic factors, environmental exposures and inherited predisposition. Multiple cancers, two or more primary cancers, were defined: each of the tumors must present a definite pattern of malignant disease, each must be distinct, and the possibility that one tumor is a metastasis of the other must be excluded since 1932 .
In cancer survivors, the number of second- or higher-order cancers is burgeoning and accounted for about 16% of incident cancers in 2003 . The development of second cancer in cancer survivor is expected but third, or higher order malignancies are rare. To our knowledge, this is the first detected case with this combination of primary adenocarcinomas.
We report an unusual case of metachronous quadruple which were all adenocarcinomas. She had undergone surgery and combined chemotherapy for these cancers. Multiple primary malignancies are common, in a study encountered in 3-5% of malignant tumors which are most often secondary, triple tumors occur in only 0.5%, quadruple tumors in 0.3% of malignant tumors . Our patient has a quadruple cancer accordingly Agency for Research on Cancer (IARC) but not according to Surveillance Epidemiology and End Results (SEER) rules. Contralateral malignant lesions of the breast are considered as subsequent primary tumours according to SEER rules .
The increased risk of subsequent malignancies among cancer survivors is well-established and initially diagnosed with cancer ages 30 to 49. Second primary cancers can be examined into three categories; therapy releated, syndromic and those resulting from shared etiologic influences by Travis et al . SEER program data were diagnosed with a second cancer by 25 years follow-up for patients who have already developed a second malignancy, recognition of the types of possible additional malignancies, the associated latency periods, and underlying risk factors such as treatment, genetic predisposition, environmental cofactors will have important implications for follow-up and screening. In general second malignancies are a result of success and are not observed unless a patient survives an initial cancer diagnosis .
Deligdisch et al. analyzed that 67 (5.4%) cases of multiple primary malignancies of the genital organs and breast in their different combinations in 1235 multiple primary malignancies. A higher incidence of multiple primary cancers were found in embryologically related organs such us endometrium and ovary . Similar results were reported as the most frequent organ involved in multiple tumors was breast, the largest amount of data exist for contralateral breast cancer, probably due to embriologic or common etiologic factors. Like in our patient association breast and ovarian cancers are likely due to genetic factors and hormonal influences. Cancer treatment (chemotherapy and radiotherapy) and insufficient hormone therapy may cause contralateral breast cancer in our case. However familial cancer syndrome should be thought because of combinations of ovarian and breast cancer, although our case had no evident family history of cancer.
Watanabe et al. analyzed multiple primary malignancies in 285 (5.2%) double primary cancers, 58 (1.1%) triple or more in 5,456 consecutive autopsy cases . In Antal et al.'s study with 719 cancer patients, multiple malignancies were found in 53 cases (7.4%). 49 of these being second malignancy and 4 were third malignancy. Colorectal and gynecological malignancies appeared with breast cancer in 5 cases . Ng et al. reported 181 patients second malignancies in 1,319 Hodgkin lymphoma patients. From these, 18 ot them developed a third malignancy, especially breast cancers, lung cancers and genitourinary cancers. The median time between the development of the second and third malignancy was 34 months . Bhatia et al. described 141 patients developed 1 subsequent malignancy, 26 patients developed 2 subsequent malignancies, 5 patients developed 3 subsequent malignancies, and one patient developed 4 subsequent malignancies among 1,380 childhood cancer survivors. The third neoplasms included 28 solid malignancies, 1 hematologic malignancy. The estimated 10-year cumulative incidence of developing a third malignancy was 21% from the time of diagnosis of the second malignancy . Latent period between second and third malignancies was 8 years. Our case was not similar to data in the literature for this reason.
In our patient, Neuroendocrine tumors (NET) was the forth developed cancer and they are frequently associated with synchronous or metachronous secondary malignancies. Progemmer et al. showed that 14 patients with NET and secondary malignancies from a series of 96 patients with NET. The median age of the patients at diagnosis of NET was 69 years (range: 56-86 yrs). 5 patients had synchronous secondary malignancies and 9 metachronous secondary malignancies .
Our case has metachronous quadruple adenocarcinomas and she may develop fifth or more malignancy in the following times. In conclusion, we need an improvement for our knowledge of the risks and patterns of high-order malignancies.
Written informed consent was obtained from the patient for publication of this case report and any images. A copy of the written consent is available for review by the editor-in-Chief of this journal.
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