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    Outcomes and Pathological Features of Total Thyroidectomy in Patients with Multifocal Papillary Thyroid Carcinoma
    (Düzce Üniversitesi, 2023) Rasihashemi, Seyed Ziaeddin; Shilan, Zahra; Farashi Bonab, Samad; Farashi, Ebrahim
    Aim: The incidence of thyroid cancer has increased dramatically in recent decades. Multifocality is considered a poor prognostic factor for papillary thyroid carcinoma (PTC). Patients with multifocal PTC (MPTC) are at high risk for local recurrence, as well as lymphatic and distal metastases. This study examined the features and outcomes of MPTC.Material and Methods: This retrospective study was conducted on 300 patients with PTC. Patients were classified into a multifocal group and a unifocal group. The pathological features of the PTC and the patients’ outcomes were analyzed and compared.Results: The multifocal group included 146 patients (48.7%), while the unifocal group included 154 patients (51.3%). The occurrence of multifocality was higher in females than in males (Odds ratio, OR: 2.37, 95% confidence interval, CI: 1.20-4.67, p=0.015). Tumor size of gt;1 cm in the multifocal group was larger than in the unifocal group (2.5 and 2.2 cm, respectively, p=0.021). Moreover, in multifocal group higher moderate risk of recurrence was detected than in the unifocal group (OR: 1.63, 95% CI: 1.01-2.60, p=0.044). At follow-up after treatment, MPTC patients had higher lymph node metastasis (OR: 2.89, 95% CI: 1.23-6.80, p=0.014). In addition, significantly higher thyroglobulin plasma levels (p=0.026) and disease recurrence (OR: 2.41, 95% CI: 1.05-5.52, p=0.037) were found in the multifocal group compared to the unifocal group.Conclusion: Patients with MPTC had a higher risk of disease recurrence, and multifocality was concluded to be an independent prognostic factor for overall disease recurrence.
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    Prognostic Value of Chest CT in the Elderly Patients Admitted with COVID-19 Pneumonia
    (2022) Farashi, Ebrahim; Mousavi-Aghdas, Seyed Ali; Arasteh, Amin; Khalafi, Mohammad; Attari, Mohammad Mirza Aghazadeh; Mohammadi, Afshin; Rikhtegar, Reza
    Aim: The late elderly, are the leading group of non-survivors infected with the coronavirus disease 2019 (COVID-19). Computed tomography (CT) imaging has been recognized as an important diagnostic method for COVID-19. This study aimed to determine the prognostic performance of CT imaging in patients above 75 years old. Material and Methods: After meeting the inclusion and exclusion criteria 56 elderly patients, 28 male, and 28 female were included in the study. Two radiologists interpreted CT imaging and a third experienced radiologist was in charge of reviewing the data and imaging findings in the controversial and disagreement cases. The lung score was determined for each patient, and radiologic signs were also examined. Results: The mean age of the patients was 81.4±5.0 years. Thirty-six patients survived, and 20 did not. 28 (50.0%) patients had central involvement, while 25 (44.6%) patients had diffuse involvement. Radiologic signs such as consolidation and air bronchogram were more common among non-survivors than survivors (both p=0.001). The mean lung score for the survivors was 8.75±6.21 and 13.45±6.41 for non-survivors, and the difference between the two groups was statistically significant (p=0.010). The area under the receiver operating characteristic curve for a cut-off score of 12 was 0.714 (95% CI, 0.577 to 0.827, p=0.003). Conclusion: It seems that using lung scores can play a very important role in predicting the condition of hospitalized patients over 75 years old.