Publications by authors named "Ahmet Kılıcarslan"

Gastric intestinal metaplasia increases the risk of gastric cancer by nine times. Although attempts are made to diagnose it using endoscopic methods, the final diagnosis is established by examining and reporting biopsy samples. Although there are studies in the literature that do not recommend routine special staining, many laboratories routinely perform alcian blue/periodic acid Schiffs (AB/PAS) staining, in addition to hematoxylin and eosin (H&E) staining.

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Purpose: To determine the most frequently used different apparent diffusion coefficient (ADC) measurement methods in renal cell carcinoma (RCC), and their correlation with the International Society of Urological Pathology (ISUP) histologic grading system.

Methods: A total of 99 patients who underwent diffusion-weighted imaging and whose pathologic diagnosis of RCC was confirmed were included in the study. As a result of a literature review, region of interest (ROI) selection and measurement methods were determined in five ways.

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Article Synopsis
  • The study examined how neoadjuvant therapy affects shrinkage in the distal surgical margin (DSM) of rectal cancer specimens after formalin fixation.
  • It involved measuring the DSM in 61 resected cancer specimens before and after fixation, comparing shrinkage rates based on neoadjuvant treatment and tumor regression grade (TRG).
  • Results showed that patients receiving neoadjuvant therapy had a significantly higher DSM shrinkage rate (34.7%) compared to those who did not (23.7%), particularly in specimens with better clinical responses.
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The formation of pulmonary nodules is associated with benign or malignant pathologies. Based on the sizes, growth rates, and morphological features of nodules, surgical treatment or follow-up can be performed. Pulmonary nodules are frequently encountered in the practice of thoracic surgery.

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An epithelioid hemangioendothelioma (EHE) is a rare vascular tumor of the head and neck region, which carries a risk of recurrence and metastasis. Its etiology is still unclear. It frequently involves the lungs, liver, and bones.

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Hepatocellular cancer is one of the most common and fatal cancer tumor worldwide. However, the obtained results are questionable in terms of medical treatment of hepatocellular cancer. The muscle, soft tissue and cutaneous metastases of hepatocellular cancer, for instance, are rare and may result from interventional procedures.

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Objective: Malignant mesothelioma (MM) is a primary malignant tumor developing from mesothelial cells lining the serosal surfaces and particularly the pleura, and has a very poor prognosis. It may display a variety of histological patterns and has a wide spectrum of cytomorphological characteristics, causing problems in its differential diagnosis from lung adenocarcinomas and sometimes from benign mesothelial proliferations. Immunohistochemical examination is the most useful method for this distinction.

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