Publications by authors named "Sorin Dema"

: Colorectal cancer is a leading cause of cancer-related death worldwide, with rising incidence in younger adults. Unhealthy diets high in red and processed meat and low in fiber are key modifiable risk factors, highlighting the need for preventive nutritional strategies targeting CRC through dietary interventions. : A one-day sample diet for colorectal cancer prevention, consisting of fiber-rich meals excluding red meat and incorporating whole grains, legumes, vegetables, fruits, nuts, and lean protein alternatives (such as fish and poultry), was developed.

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Operating rooms represent valuable and pivotal units of any hospital. Therefore, their management affects healthcare service delivery through rescheduling, staff shortage/overtime, cost inefficiency, and patient dissatisfaction, among others. To optimize scheduling, we aim to assess preoperative evaluation criteria that influence the prediction of surgery duration for gastric cancer (GC) patients.

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Background And Objectives: We aimed to assess the significance of sex and age compared to other clinical-pathological parameters in colorectal cancer (CRC).

Materials And Methods: Our study included a retrospective approach to CRC patients who underwent surgery at the 'Pius Brinzeu' County Clinical Emergency Hospital in Timisoara (PBECCHT), Romania. The analyzed parameters were: patient age and sex, tumor location, histological type, differentiation grade (G), extent of tumor (pT), lymph-node status (pN), distant metastasis status (pM), and lymphovascular invasion (LVI).

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Tuberculosis infection triggers a chronic inflammatory response that can create a favorable environment for the development of cancer cells. Chronic inflammation can lead to DNA damage, increased cell proliferation, and impaired immune surveillance. Nasopharyngeal carcinoma is an aggressive malignant tumor with a very poor prognosis, despite the current oncology therapy.

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Accessory breast cancer cases are rarely reported in the literature. Of the reported cases, the predominantly available ones are those localized in the axillary region. We present here a very rare case of metastatic accessory breast cancer.

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An aneurysm is defined as a dilation of the arterial wall with a diameter exceeding 1.5 times the normal diameter of the vessel concerned. Aortic aneurysms (AAs) can develop at any level but are mostly found at the abdominal and infrarenal levels and extend to the iliac arteries.

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Introduction: Prostate cancer is the second most common cancer, following lung cancer, and the fifth leading cause of cancer death in men worldwide. The onset of the disease, characterized by symptoms or changes caused by distant metastases, is rare and poses a challenge for clinicians and pathologists. We aimed to present a series of prostate carcinoma (PC) with unusual, histologically confirmed distant metastases (pM1) at the time of diagnosis, which raised suspicions of other types or origins of the primary tumor.

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Background: Oropharyngeal cancer is a global health concern due to its multifaceted nature. Recent molecular studies have linked p16 overexpression, associated with the human papillomavirus, to oropharyngeal cancer and its prognostic implications.

Materials And Methods: This retrospective study in Western Romania examined 60 patients, categorizing them based on p16 biomarker status: 28 were p16 positive, and 32 were p16 negative.

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Incidental prostate carcinoma (iPC) is a subject of debate concerning its definition, incidence, biology, diagnosis, staging, and treatment. The present study aimed to assess the incidence and main clinical-morphological characteristics of iPC identified in radical cystoprostatectomy (RCP) specimens over a 5-year period. Using the database of the Urology and Pathology Departments, we identified all patients with bladder carcinomas (BCs) who underwent RCP within a 5-year frame time.

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Collision tumors, although rare, characterized by two distinctive (morphological, as well immunohistochemical) and spatially independent tumor components at the same location, are always puzzling for clinicians, pathologists, and patients because they do not fit into the usual approaches, being neither diagnostic nor therapeutic. Reviewing the specialized literature, to date, collision tumors have been reported in multiple locations such as the skin, esophagus, stomach, intestine, liver, kidney, bladder, adrenal gland, or thyroid. We report a case of coexistence at the same site of a malignant tumor of the ascending colon and a benign tumor emerging from the peritoneal lining, initially thought by the surgeon to be right-sided serosal carcinomatosis.

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Background and Objectives: Throughout the COVID-19 pandemic, health systems worldwide adapted to support COVID-19 patients while continuing to provide assistance to patients with other potentially fatal illnesses. While patients with cancer may be at an elevated risk of severe COVID-19-related complications, their oncologic therapies generally cannot be postponed indefinitely without a negative effect on outcomes. Taking this into account, a thorough examination of the therapy management of various cancers is necessary, such as cervical cancer.

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Endometriosis is a gynecological condition caused by the development of endometrial tissue outside the uterine cavity. Naturally, it commonly occurs at locations such as the ovaries and pelvic peritoneum. However, ectopic endometrial tissue may be discovered outside of the typical sites, suggesting the possibility of iatrogenic seeding after gynecological operations.

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Cystic hygromas (CHs) are benign congenital malformations of the lymphatic system mainly diagnosed in small children aged less than two years old. They may give a multitude of local, sometimes severe complications. The most used method of treatment is surgical removal.

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Article Synopsis
  • - The study investigated the expression of C-X-C motif chemokine receptor 4 (CXCR4) in gastrointestinal neuroendocrine neoplasms (GI-NENs) to understand its role and correlation with clinical and pathological features.
  • - CXCR4 expression was found to be high in 43.7% of the cases studied, with greater expression in liver metastases compared to primary tumors, and a strong link to higher tumor grades and advanced clinical stages.
  • - The findings suggest that elevated CXCR4 expression may be crucial for targeting potential therapies, particularly in high-grade and metastatic GI-NENs.
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Considering that the incidence of colorectal (CRC) and prostatic cancer (PC) increases with age, metachronous and synchronous tumors can often affect the same patient. Despite the importance of this subject for the diagnosis and management of oncologic patients, in medical literature the data are scarce. The aim of the study was to evaluate the incidence and the characteristics of double/multiple primary malignant tumors (D/MPMTs) with colorectal and prostatic origin, in patients admitted to a reference hospital in West Romania.

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: Sclerosing Extramedullary Hematopoietic Tumor (SEHT) is a very rare lesion associated with chronic myeloproliferative disorders (CMPD). SEHT can mimic morphologically, both macroscopically and microscopically, a wide variety of tumors/lesions. : We present the case of a female patient diagnosed with gallstones for which surgery was decided.

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Aim: To report our experience with specific cases of prostate cancer (PC) in which patients presented digestive symptoms, cases that represent a challenge and a source of error regarding the clinical and morphological diagnosis.

Methods: The most important clinical and pathological data were collected from three patients with PC which presented symptoms and/or investigations that initially suggested a digestive malignant tumor.

Results: We identified three patients with PC where the prostate tumor was not suspected based on the clinical-imagistic data, the correct diagnosis being the prerogative of the morphological investigation: in the first case, PC was detected during the microscopic examination of the lymph nodes (LN) in the intestinal resection specimen performed for suspected rectal cancer (RC), in the second case, in which the PC was synchronous with a RC, the dominant symptomatology was gastrointestinal, and in the third case, initially, the patient presented a widely disseminated PC, with pleural and bone metastases, as well as LN metastases, and apparent peritoneal involvement.

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Background: Pathological complete response to preoperative treatment in adults with soft-tissue sarcoma can be achieved in only a few patients receiving radiotherapy. This phase 2-3 trial evaluated the safety and efficacy of the hafnium oxide (HfO) nanoparticle NBTXR3 activated by radiotherapy versus radiotherapy alone as a pre-operative treatment in patients with locally advanced soft-tissue sarcoma.

Methods: Act.

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Background: There is a lack of information as to which molecular processes, present at diagnosis, favor tumour escape from standard-of-care treatments in cervical cancer (CC). RAIDs consortium (www.raids-fp7.

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Worldwide, colorectal cancer is one of the most prevalent malignancies. Due to oncological safety concerns, data regarding the laparoscopic surgical treatment of rectal cancer is scarce. Our study's main aim was investigate the oncological adequacy of laparoscopic surgery in the treatment of rectal cancer by comparing its oncological reliability with the oncological results obtained after open surgery for rectal cancer.

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Tendinopathy covers a range of several tendon conditions, mostly caused by overuse but at least in Achilles tendon pathology, favored by obesity, diabetes, inflammatory and autoimmune conditions. Subclinical tendon pathology is difficult to diagnose, as magnetic resonance imaging (MRI) examinations are sometimes inconclusive and not cost-effective. Elastography is an ultrasound examination method that uses mechanical impulses to produce shear waves in the tissue of interest, then measures the tissue displacement and calculates the shear wave speed or the elastic modulus of the examined tissue.

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Paget's disease of bone is a benign disease characterized by exaggerated remodeling of the bone matrix after osteoclast-mediated bone destruction. Its etiology is still unknown, despite the fact that it was discovered and described in 1877, but genetic factors and environmental triggers were shown to play their part in the pathogenesis of the disease. The main clinical presentations of the disease are related to bone pain and deformities.

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