A rare EGFR exon 19 insertion mutation in metastatic lung adenocarcinoma: a favorable response to afatinib.

Epidermal growth factor receptor (EGFR) mutations like the common L858R and exon 19 deletions are well studied, but rarer mutations like exon 19 insertions have received less attention. This case report describes a patient with this uncommon EGFR exon 19 insertion mutation in metastatic lung adenocarcinoma. A 51-year-old male nonsmoker with metastatic lung adenocarcinoma and a rare EGFR exon 19 insertion mutation experienced disease progression on initial carboplatin-pemetrexed chemotherapy.

Refractory hypoglycemia is sensitive to octreotide therapy: is it triggered by sorafenib or hepatocellular carcinoma?

Hypoglycemia is a medical emergency with a multitude of potential causes. Paraneoplastic hypoglycemia represents a rare cause of this condition. Hepatocellular carcinoma (HCC) can result in paraneoplastic hypoglycemia through extensive tumor infiltration and the presence of insulin-like growth factor 2 precursors.

Bevacizumab versus aflibercept with FOLFIRI after FOLFOX and bevacizumab in RAS mutant metastatic colon cancer a Turkish oncology group study.

We aimed to compare FOLFIRI and bevacizumab with FOLFIRI and aflibercept in terms of overall survival (OS), progression-free survival (PFS) and safety in patients with RAS-mutant metastatic colon cancer who progressed after first-line FOLFOX or XELOX and bevacizumab treatment. This retrospective study included 243 patients from 15 different centres in Turkey. The endpoints of the study were OS, PFS and safety and side effect outcomes.

Comparison of Prognostic Values of Seven Immune Indexes in Advanced Non-Small-Cell Lung Cancer Treated with Nivolumab: How Effective Can They Be Regarding Our Treatment Decisions?

: In this study, we evaluated the impact of seven immune indexes on treatment response and survival outcomes in advanced non-small-cell lung cancer (NSCLC) patients receiving second-line and subsequent nivolumab treatment under real-life conditions. : The pan-immune inflammation value (PIV), systemic immune inflammation value (SII), neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), monocyte-to-lymphocyte ratio (MLR), derived neutrophil-to-lymphocyte ratio (d-NLR), and prognostic nutritional index (PNI) were calculated. All immune indexes were classified as low and high based on cut-off values.

Clinical features and prognostic factors in thymoma and thymic carcinoma.

Introduction: Thymic epithelial tumors represent the most common cause of anterior mediastinal masses in adults. Among these tumors, thymomas constitute the majority, whereas thymic carcinomas are less prevalent and associated with a poorer prognosis. This study seeks to investigate the clinical and prognostic factors of these rare entities, thymoma, and thymic carcinomas.

The HALP score as a prognostic factor in metastatic biliary cancer.

Background: Biliary tract cancers are serious diseases and new biomarkers may be useful for the optimal management and prediction of these cases. This study aimed to evaluate the prognostic significance of the hemoglobin, albumin, lymphocyte, and platelet (HALP) score, a novel composite marker, in patients with metastatic biliary tract cancer.

Methods: Patients with biliary tract cancers were analyzed retrospectively.

Pembrolizumab related perforated appendicitis.

Introduction: Pembrolizumab is a humanized monoclonal antibody IgG4 programmed cell death protein 1 antagonist, and its use in oncology has been increasing in recent years, providing durable and favorable responses and tolerable toxicity profiles in various types of cancer. We describe a case of pembrolizumab related perforated appendicitis in a patient with stage 3C malignant melanoma (MM).

Case Report: A 70-year-old male patient who had no known disease was diagnosed with MM as a result of the excision of the mass on his right shoulder.

The Comparison of FLOT and DCF Regimens as Perioperative Treatment for Gastric Cancer.

Introduction: Locoregional gastric cancer is a still serious problem and perioperative treatments may improve the success of management. Different regimens were examined. The present study purposed to compare the efficacy of fluorouracil-leucovorin-oxaliplatin-docetaxel (FLOT) and docetaxel-cisplatin-fluorouracil (DCF) regimens.

The effect of illness-related fears of parents of children with epilepsy during the COVID-19 period on their children's seizure self-efficacy.

Background: Seizure-related self-efficacy is the belief individuals have that they can perform the necessary actions to cope effectively with their seizures. Determining, developing, strengthening, and maintaining the perception of self-efficacy in children with epilepsy facilitates the child's disease management and their ability to cope with it. This study aimed to assess the impact of epilepsy-related parental fears during the COVID-19 period on the seizure self-efficacy of their children.

Management and prognosis of patients with cancer of unknown primary: 20 years of experience.

Background/aim: Cancer of unknown primary (CUP) is a difficult clinical entity to manage. The aim of the study was to investigate the sociodemographic and pathological characteristics, treatment options, and factors affecting overall survival (OS) in CUP patients whose primary tumor was not detected during follow-up.

Materials And Methods: A total of 243 CUP patients whose primary tumors could not be detected during follow-up were included in the study.

Prognostic factors of adult granulosa cell tumors of the ovary: a Turkish retrospective multicenter study.

Objective: To define the clinical, histopathological features and the prognostic factors affecting survival in patients with adult granulosa cell tumors of the ovary (AGCT).

Methods: A 322 patients whose final pathologic outcome was AGCT treated at nine tertiary oncology centers between 1988 and 2021 participated in the study.

Results: The mean age of the patients was 51.

Artificial Intelligence-Powered Assessment of Pathologic Response to Neoadjuvant Atezolizumab in Patients With NSCLC: Results From the LCMC3 Study.

Introduction: Pathologic response (PathR) by histopathologic assessment of resected specimens may be an early clinical end point associated with long-term outcomes with neoadjuvant therapy. Digital pathology may improve the efficiency and precision of PathR assessment. LCMC3 (NCT02927301) evaluated neoadjuvant atezolizumab in patients with resectable NSCLC and reported a 20% major PathR rate.

Immunologic Signatures of Peripheral Blood T Cells Reveal the Outcome of p53MVA Vaccine and Pembrolizumab Treatment in Patients with Advanced Ovarian Cancer.

Purpose: Our previous studies indicated that p53-reactive T cells were associated with clinical benefit in patients with advanced ovarian cancer who were treated with p53-expressing modified vaccinia Ankara (p53MVA) vaccine and gemcitabine chemotherapy. To replace chemotherapy with an approach that will enhance vaccine efficacy and antitumor immunity, we treated patients with p53MVA in combination with PD-1 checkpoint blocker, pembrolizumab. We also attempted to further characterize the activation status of T cells prior to vaccination and during treatment.

Cabozantinib-induced heart failure.

Introduction: Cabozantinib is a multikinase inhibitor agent used in the treatment of hepatocellular, renal, and thyroid cancers. The development of heart failure after cabozantinib initiation is an extremely rare side effect, with only four case reports published in the literature. We describe a case of cabozantinib-induced cardiac failure in a patient with thyroid cancer refractory to standard treatment.

Simple and easily accessible prognostic markers in ewing sarcoma; neutrophil-lymphocyte ratio, neutrophil-platelet score and systemic-inflammation index.

Background: Inflammation markers are the new point of view in cancer due to increasing data on the interaction of immune system with tumor cells and their prognostic and predictive importance were found in many different types of solid tumors. Therefore, we aimed to evaluate the prognostic value of neutrophil-lymphocyte ratio (NLR), neutrophil-platelet score (NPS), and systemic inflammation index (SII) in Ewing sarcoma patients in which risk groups are still not clearly defined.

Methods And Results: A total of 64 patients were evaluated retrospectively.

Efficacy of Capecitabine and Temozolomide Regimen in Neuroendocrine Tumors: Data From the Turkish Oncology Group.

Introduction: This study aims to report the efficacy and safety of capecitabine plus temozolomide (CAPTEM) across different lines of treatment in patients with metastatic neuroendocrine tumors (NETs).

Methods: We conducted a multicenter retrospective study analyzing the data of 308 patients with metastatic NETs treated with CAPTEM between 2010 and 2022 in 34 different hospitals across various regions of Turkey.

Results: The median follow-up time was 41.

Toxic hepatitis in metastatic breast cancer patient using ribociclib and denosumab.

Introduction: Hepatotoxicity is observed due to cyclin-dependent kinase (CDK4/6) inhibitors used to treat hormone receptor-positive metastatic breast cancer. However, it should not be ignored that denosumab may be hepatotoxic, although it is rare.

Case Report: A 73-year-old female patient with breast cancer with axillary lymph node, adrenal gland and bone metastases was started on ribociclib letrozole and denosumab treatment.

Clinicopathological and survival features of neuroendocrine tumors: A retrospective analysis of 153 cases, our current remarks on a heterogeneous tumor group, and still unmet future expectations.

Objective: Neuroendocrine neoplasms (NENs) originate from the diffuse neuroendocrine cell system and constitute a heterogeneous group of tumors exhibiting diverse clinical and biological characteristics. NENs include well-differentiated neuroendocrine tumors (NETs) and poorly differentiated neuroendocrine carcinomas (NECs). In the present study, we performed a retrospective analysis of patients diagnosed with NET to evaluate clinicopathological characteristics, treatment and outcomes.

Does Prognostic Nutritional Index Predict Survival in Operated Papilla Vateri Tumors? A Single-centre Experience.

Objective: To determine the PNI's prognostic effect of prognostic nutritional index (PNI)  on operated papilla vateri tumor (PVT) survival.

Study Design: Descriptive study.

Place And Duration Of Study: Department of Medical Oncology, Ankara City Hospital, Ankara, Turkey, from April 2003 to December 2020.

Is there any correlation among MKK4 expression, clinicopathological features, and KRAS/NRAS mutation in colorectal cancer.

Background: We aimed to evaluate the correlation between MKK4 expression and clinicopathological features, KRAS/NRAS mutation in colorectal cancer.

Methods: MKK4 expression was assessed by immunoreactivity score (IRS). Staining intensity(SI) and percentage of positively stained cells (PP) were used for IRS (IRS = SI×PP).

Evaluation of safety and efficacy of p53MVA vaccine combined with pembrolizumab in patients with advanced solid cancers.

Background: Vaccination of cancer patients with p53-expressing modified vaccinia Ankara virus (p53MVA) has shown in our previous studies to activate p53-reactive T cells in peripheral blood but without immediate clinical benefit. We hypothesized that the immunological responses to p53MVA vaccine may require additional immune checkpoint blockade to achieve clinically beneficial levels. We therefore conducted a phase I trial evaluating the combination of p53MVA and pembrolizumab (anti-PD-1) in patients with advanced solid tumors.

p53-Reactive T Cells Are Associated with Clinical Benefit in Patients with Platinum-Resistant Epithelial Ovarian Cancer After Treatment with a p53 Vaccine and Gemcitabine Chemotherapy.

Unlabelled: To conduct a phase I trial of a Modified Vaccinia Ankara vaccine delivering wild-type human p53 (p53MVA) in combination with gemcitabine chemotherapy in patients with platinum-resistant ovarian cancer. Patients received gemcitabine on days 1 and 8 and p53MVA vaccine on day 15, during the first 3 cycles of chemotherapy. Toxicity was classified using the NCI Common Toxicity Criteria and clinical response assessed by CT scan.

Complete regression of cutaneous metastases with systemic immune response in a patient with triple negative breast cancer receiving p53MVA vaccine with pembrolizumab.

A heavily pretreated patient with triple negative breast cancer distinguished by cutaneous metastases received p53MVA vaccine in combination with pembrolizumab. Her cutaneous metastases regressed and after 2 cycles of therapy, a skin biopsy showed a complete pathological response. Systemic response was confirmed with restaging CT and bone scans.

Evaluation of the effects of red blood cell distribution width on survival in lung cancer patients.

Aim Of The Study: Data are available indicating that red blood cell distribution width (RDW) is higher in cancer patients compared to healthy individuals or benign events. In our study, we aimed to investigate the influence of different RDW levels on survival in lung cancer patients.

Material And Methods: Clinical and laboratory data from 146 patients with lung cancer and 40 healthy subjects were retrospectively studied.

Uncoupling protein 2 regulates metabolic reprogramming and fate of antigen-stimulated CD8+ T cells.

Adoptive cell therapy (ACT) employing ex vivo-generated tumor antigen-specific CD8+ T cells shows tumor efficacy when the transferred cells possess both effector and memory functions. New strategies based on understanding of mechanisms that balance CD8+ T cell differentiation toward effector and memory responses are highly desirable. Emerging information confirms a central role for antigen-induced metabolic reprogramming in CD8+ T cell differentiation and clonal expansion.