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Information Journal Paper

Title

Is there a difference in FDG PET findings of invasive ductal carcinoma of the breast with and without coexisting DCIS?

Pages

  27-35

Abstract

 Objective(s): Studies have reported that invasive ductal carcinoma (IDC) with coexisting ductal carcinoma in situ (DCIS) show lower metastatic potential and recurrence and better overall survival than pure IDC. In this study, we assessed F-18 fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) images of patients with newly diagnosed IDC to determine if there is any difference in PET findings in IDC-DCIS and pure IDC cases. Methods: FDG PET/CT images of patients with newly diagnosed IDC of the breast who subsequently underwent breast surgery and had histopathology result in our records were further evaluated. Tumor grade, pathological staging, and presence of DCIS were noted from the histopathology results. Standardized uptake value (SUV) of the primary tumor (SUVmax and SULmax), other hypermetabolic foci in the breast, and ipsilateral normal breast were measured. Presence of axillary and distant metastases was noted. Results: Fifty seven (57) patients with IDC were included. Coexisting DCIS was present in 44 (IDC-DCIS) and not present in 13 (pure IDC) cases. Per histopathology, the primary tumor was unifocal in 33 IDC-DCIS (75%) and 12 pure IDC (92. 3%) cases, and multifocal in 11 IDC-DCIS cases (25%), and 1 pure IDC case (7. 7%). FDG uptake was multifocal in 20 IDC-DCIS cases (45. 5%) and 1 pure IDC case (7. 7%), and unifocal in 24 IDC-DCIS (54. 5%), and 12 pure IDC (92. 3%) cases. There was no significant difference in patient age, size of the primary tumor, SUVmax and SULmax of the primary tumor and SUVmax of the normal breast in IDC-DCIS and pure IDC cases (p>0. 05). Pathology showed axillary metastasis in all 13 pure IDC (100%), and 27 IDC-DCIS (61. 4%) cases. PET showed axillary uptake in 25 IDC-DCIS (56. 8%), and 8 pure IDC (61. 5%) cases, and abnormal/questionable distant uptake in 12 IDC-DCIS cases and 1 pure IDC case. Conclusion: In our preliminary findings, multifocal breast FDG uptake and multifocal tumor appear to be more common in IDC-DCIS than pure IDC. There is no significant difference in SUV and size of the primary tumor in IDC-DCIS and pure IDC cases. Axillary metastases appear to be more common in pure IDC than IDC-DCIS cases.

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    • References

    Cite

    APA: Copy

    Sarikaya, Ismet, Sarikaya, Ali, Albatineh, Ahmed N., Tastekin, Ebru, & Atakan Sezer, Yavuz. (2020). Is there a difference in FDG PET findings of invasive ductal carcinoma of the breast with and without coexisting DCIS?. ASIA OCEANIA JOURNAL OF NUCLEAR MEDICINE AND BIOLOGY, 8(1), 27-35. SID. https://sid.ir/paper/772866/en

    Vancouver: Copy

    Sarikaya Ismet, Sarikaya Ali, Albatineh Ahmed N., Tastekin Ebru, Atakan Sezer Yavuz. Is there a difference in FDG PET findings of invasive ductal carcinoma of the breast with and without coexisting DCIS?. ASIA OCEANIA JOURNAL OF NUCLEAR MEDICINE AND BIOLOGY[Internet]. 2020;8(1):27-35. Available from: https://sid.ir/paper/772866/en

    IEEE: Copy

    Ismet Sarikaya, Ali Sarikaya, Ahmed N. Albatineh, Ebru Tastekin, and Yavuz Atakan Sezer, “Is there a difference in FDG PET findings of invasive ductal carcinoma of the breast with and without coexisting DCIS?,” ASIA OCEANIA JOURNAL OF NUCLEAR MEDICINE AND BIOLOGY, vol. 8, no. 1, pp. 27–35, 2020, [Online]. Available: https://sid.ir/paper/772866/en

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