(68)Ga-DOTATATE has high T/B ratio with physiological biodistribution comparable to its counterparts. However, the presence of SSTRs in benign and malignant lesions unrelated to NET may be challenging in interpretation particularly where the physiological uptake is variable.
In this paper, the diagnostic and surgical approach to primary and metastatic melanoma of the breast, and the importance of the breast during the follow-up period are reviewed.
In the present report, strong relationships were detected between the negativity of ER, overexpression of c-erbB-2, tumor grade, tumor size, histopathology, axillary lymph node involvement and SUVmax values. Accordingly, we believe that SUVmax values obtained with (18)F-FDG PET/CT may provide some information about tumor biology of breast cancer.
The sentinel lymph node (SLN) is the only focus of axillary metastasis in a significant proportion of patients. In this single institutional study, clinicopathologic characteristics were investigated to determine the factors predicting the status of a SLN biopsy and the metastatic involvement of non-SLNs. Data were retrospectively reveiwed for 400 consecutive patients with clinical T1/T2 N0 breast cancer who underwent a SLN biopsy including axillary and/or internal mammary lymph nodes. The SLNs were evaluated by using the new AJCC staging criteria following multiple sectioning and immunohistochemical (IHC) analyses of nodes. The SLN contained metastases in 148 patients (38.5%) including 18 patients (12.2%) with micrometastases (0.2 cm). Five patients had isolated tumor cells detected by IHC (
The detection of nonpalpable recurrent thyroid carcinoma has increased due to the use of imaging techniques in time. This report is to investigate whether preoperative injection of a radiotracer under ultrasound guidance is useful in nonpalpable recurrent thyroid carcinoma. The neck of two patients with recurrent thyroid carcinoma was scanned with the probe to localize the area of maximal radioactivity allowing appropriate location of the incision over the lesion. After the lymph nodes were removed, radioactivity was measured in the lesion bed to confirm the success of the dissection. In conclusion, the radio-guided nonpalpable lesion localization technique can be performed safely for the detection and excision of metastatic foci.
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