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1.
Cent European J Urol ; 71(3): 276-279, 2018.
Article in English | MEDLINE | ID: mdl-30386647

ABSTRACT

INTRODUCTION: Prostate cancer is the second most common cancer and a major significant health problem amongst men in the world. Radical prostatectomy with open, laparoscopic and robotic techniques is the gold standard treatment for localized and local advanced disease. There are some risk factors including gleason score, T stage and prostate-specific antigen (PSA) level to predict the biochemical recurrence. We investigated the association with biochemical recurrence and TMPRSS2:ERG fusion in patients who were treated with open radical prostatectomy. MATERIAL AND METHODS: The expression of TMPRSS2:ERG was defined as positive (Group 1) and negative (Group 2). The positive staining of the patients is classified into three groups; weak positive, moderate positive and strong positive. In the statistical analyses; chi squared test and Mann Whitney U were used and p <0.05 was defined as statistical significance. RESULTS: The present study includes 87 patients, 32 and 55 patients were in group 1 and 2 respectively. The mean age of the patients was 62.81 +5.55 and 64.45 +5.18 in the groups without significant difference. Extraprostatic extension was reported in 27 patients; 11 of these patients were in group 1 and 16 patients were in group 2 (p = 0.60). Biochemical recurrence was detected in 15 patients. Of these patients, 5 were in group 1 and 10 were in group 2 (p = 0.76). CONCLUSIONS: The current study found no association between TMPRSS2:ERG fusion and biochemical recurrence and unfavourable pathological results in Turkish patients. Further research including a large number of patients from different regions of Turkey is needed to investigate the ERG status and biochemical recurrence for patients.

2.
Endocrine ; 59(1): 143-150, 2018 01.
Article in English | MEDLINE | ID: mdl-29204912

ABSTRACT

OBJECTIVE: In 2016, non-invasive, well-circumscribed and encapsulated, follicular variant of papillary thyroid carcinoma (NI-EFV PTC) was reclassified as noninvasive follicular thyroid neoplasm with papillary-like nuclear features (NIFTP) in order to reduce overtreatment of this indolent tumor. However, the study cohort did not include subcentimeter tumors, i.e., papillary thyroid microcarcinoma (mPTC) with NI-EFV morphology, and such lesions are still regarded and staged by most pathologists as microcarcinomas. It is therefore crucial to evaluate the clinical outcome of subcentimeter NI-EFVs. METHODS: A total of 52 patients with unifocal mPTC, NI-EFV from five tertiary hospitals who had at least one year clinical follow-up (FU) without post-operative RAI administration were included in the study. A control group of 57 invasive mPTC follicular variant was also included. RESULTS: The median tumor size was 0.44 cm (range 0.1-0.9 cm). There were no distant or lymph node metastases at diagnosis in all patients. Twenty-three patients (44%) underwent lobectomy alone, while the remaining received total thyroidectomy. No recurrence was observed in the entire cohort (n = 52) including all 38 patients with at least 2 years of FU (median FU: 6.3 years). Among 25 patients with ≥5 years of FU, none recurred with a median FU of 9.6 years (range 5.2-18.1 years). In contrast, in the control group with invasive mPTC follicular variant, there were 5 (9%) patients with nodal metastasis at presentation and 1 (2%) who displayed nodal recurrence. CONCLUSION: Papillary thyroid microcarcinoma, NI-EFV, when stringently selected for, lacks metastasis at presentation and follows an extremely indolent clinical course, even when treated conservatively without RAI therapy. Provided stringent inclusion criteria are met, classification of subcentimeter mPTC, NI-EFV as NIFTP should be considered in order to avoid overtreatment of these biologically indolent lesions.


Subject(s)
Adenocarcinoma, Follicular/pathology , Carcinoma, Papillary/pathology , Cell Nucleus/pathology , Thyroid Neoplasms/classification , Thyroid Neoplasms/pathology , Adult , Aged , Aged, 80 and over , Female , Humans , Male , Middle Aged , Neoplasm Invasiveness , Neoplasm Staging , Retrospective Studies , Thyroid Cancer, Papillary , Tumor Burden
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