Publication: Metastatic neuroendocrine carcinoma of the breast identified by Tc-99m-HYNIC-TOC SPECT/CT: A rare case report
Issued Date
2015-01-01
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ISSN
01252208
01252208
01252208
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2-s2.0-84939556482
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of the Medical Association of Thailand. Vol.98, No.8 (2015), 828-832
Suggested Citation
Apichaya Claimon, Suebwong Chuthapisith, Norasate Samarnthai, Pawana Pusuwan Metastatic neuroendocrine carcinoma of the breast identified by Tc-99m-HYNIC-TOC SPECT/CT: A rare case report. Journal of the Medical Association of Thailand. Vol.98, No.8 (2015), 828-832. Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/36571
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Title
Metastatic neuroendocrine carcinoma of the breast identified by Tc-99m-HYNIC-TOC SPECT/CT: A rare case report
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Abstract
© 2015, Medical Association of Thailand. All rights reserved. The authors reported an uncommon presentation of metastatic neuroendocrine carcinoma to the breast detected by Tc-99m-HYNIC-TOC SPECT/CT in a 49 years old woman who, previously, had carcinoid tumor of left main bronchus and invasive ductal carcinoma of the right breast. Later, the patient developed left breast mass. Core needle biopsy of the mass revealed poorly differentiated invasive ductal carcinoma. The disease remained stable for 12 years without any treatment on that left breast (due to patient’s rejection). On the later investigation using Tc-99m-HYNIC-TOC scintigraphy examination, rather than invasive ductal carcinoma, metastatic neuroendocrine cancer was suggested. The final diagnosis was confirmed by pathological examination after surgical excision. Multiple metastatic lesions of neuroendocrine carcinoma at lung, liver, ovaries, and bones were also depicted. Due to the good behavior of the disease, patient had been doing well for eight months, without specific treatment. This report confirmed the advantage and the accuracy of Tc-99m-HYNIC-TOC scintigraphy in detection of neuroendocrine carcinoma. Furthermore, metastatic neuroendocrine tumor should be in differential diagnosis for patient with breast mass together with history of neuroendocrine tumor.