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Ismar Rašić

Društvene mreže:

Ali Gavrankapetanović, Admir Bektešević, Sanela Brzika, Nedim Hasic, Emina Letic, I. Rašić

Abstract Adrenocortical nodular hyperplasia and gastrointestinal stromal tumors are rare conditions, and their simultaneous occurrence in a single patient poses diagnostic and therapeutic challenges. Here, we present the case of a 39-year-old female patient who underwent surgical resection for concurrent adrenocortical nodular hyperplasia and GIST on the posterior part of the gastric fundus. The patient presented with symptoms of hyperaldosteronism and malignant hypertension, leading to the discovery of these two distinct tumors. Preoperative evaluation revealed normal laboratory findings and hormone levels, except for hyperaldosteronism and hypertension. The surgical intervention included left suprarenal gland removal and wedge resection of the gastric tumor. The patient experienced a successful outcome without intraoperative complications and remained normotensive during follow-up visits, with sustaining hormonal balance. This case underscores the importance of multidisciplinary collaboration and tailored surgical planning in managing complex neoplastic conditions.

Aim To analyse the impact of the length of antiviral therapy with tenofovir disoproxil fumarate (TDF) on the renal function in patients with chronic hepatitis B (CHB). Methods A cross-sectional study included 75 patients with CHB treated with tenofovir, who had a normal renal function at the beginning of the treatment. Renal function was determined based on glomerular filtration rate (eGFR) value using the Modification of Diet in Renal Disease formula (MDRD). Measurement of serum creatinine concentration and urinary protein excretion were performed using standard laboratory analyses. Viral load quantification (HBV-DNA) was determined by polymerase chain reaction (PCR). The degree of liver fibrosis was determined using fibrosis4 (FIB-4) and aspartate transaminase to platelet ratio index (APRI) fibrosis score. Results Out of 75 CHB patients, 37 were on antiviral treatment for up to 2 years (group 1) and 38 patients on antiviral treatment longer than two years (group 2). Mean age of patients was not significantly different between the groups (p=0.076), nor was the gender distribution. There was no statistically significant difference between the mean values of the eGFR in the two groups (91.89±9.24 vs. 88.42±7.84 mL/min/1.73m2; p=0.42), as well as between the mean values of serum creatinine (p=0.360) and 24-hour urine protein excretion (p=0.380). There was no statistically significant correlation between renal parameters and viral load, APRI and FIB-4 fibrosis score. Conclusion Results of our study did not show significant changes in the measured parameters of renal function in group 1 and group 2 of patients, regardless of the length of antiviral treatment, indicating a good renal safety profile of TDF.

Sanela Brzika, I. Rašić, Admir Bektešević, Ali Gavrankapetanović, Nedim Hasic, Salko Pašović

Abstract Female adnexal tumors of probable Wolffian origin (FATWOs) are extremely rare tumors, with only around 100 cases published worldwide. FATWOs are most frequently found in the broad ligament, but these can also appear in the mesosalpinx, Fallopian tube, ovary, paravaginal region or peritoneum. We present a case of a 68-year-old female with a history of painless abdominal distension and frequent urination, with palpable big abdominal mass. Initial diagnosis was made using ultrasound and computed tomography scan that showed 22 × 21-cm tumor with solid and cystic components. Blood test showed elevated serum levels of CA 125, HE4 and Roma index. Intraoperatively, a large abdominopelvic encapsulated mass, fixated to surrounding tissue, was found. Our patient underwent hysterectomy 12 years ago. Total tumor resection, including bilateral adnexectomy, was performed. At 6 months of following, there was no evidence of disease. Here, we report extremely rare abdominal tumors and one of the biggest FATWOs reported so far.

I. Rašić, Nermin Mahmutovic, S. Čustovic, Nedim Hasic, Ali Gavrankapetanović, Edin Bećiragić, Sanela Brzika

Choledochal cysts (CCs) are rare congenital anomalies in the form of cystic dilatation of any part of the biliary tree, and they rarely reach the size over 10 cm. We present a case of a 51-year-old female with a one-year history of abdominal pain and palpable mass in the epigastrium and right upper abdomen. Diagnosis of giant CC was made using magnetic resonance cholangiopancreatography. Intraoperatively, a large CC without gallbladder (no previous cholecystectomy was performed) was found under the liver pushing the surrounding structures, extending into the intrapancreatic portion of bile ducts and leading to the destruction of the backside of the pancreas head. Complete excision of CC and biliopancreatic reconstruction was achieved by Roux-en-Y pancreaticojejunostomy and hepaticojejunostomy. This case report describes an extremely rare association between an atypical giant choledochal cyst and gallbladder agenesis.

I. Rašić, Sandin Holjan, V. Papović, Sanjin Glavaš, Adi Mulabdić, Azra Rašić

Introduction: Oxidative stress and lipid peroxidation are pointed as possible factors in the development of colorectal cancer (CRC). The aim of this study was to assess the serum malondialdehyde (MDA) and non-enzymatic antioxidants concentration (albumin, bilirubin, uric acid, and ferritin) and their relation with the stage and histopathologic size (pT) of CRC. Methods: One hundred and twenty patients with clinically and histopathologically confirmed CRC and the need for surgical treatment were included in a cross-sectional study. All patients were divided into groups according to the disease stage and depth of tumor invasion. The control group included 30 subjects with no signs of malignant and inflammatory bowel disease. The patients and controls did not receive vitamin supplementation. Peripheral venous blood was sampled before the surgical treatment of CRC patients and on the day of the examination of control subjects for determination of serum MDA and the concentration of the non-enzymatic antioxidants. Results: The serum levels of MDA were progressively increased in CRC patients with the highest level in the fourth stage of disease and pT4 group. Ferritin levels increased significantly with the CRC stage and decreased with the depth of bowel wall invasion. Serum albumin concentration significantly decreased with increasing stage and increasing depth of tumor invasion of the intestinal wall, while serum bilirubin level showed no change compared to the control group. Serum uric acid concentration was significantly higher in CRC patients, but no difference was observed with CRC progression. It was confirmed that serum albumin significantly negatively correlated with the CRC stage (rho = −0.649, p < 0.001), while serum MDA significantly positively correlated with the CRC stage (rho = 0.750, p < 0.001). Conclusion: These results indicate that serum MDA concentrations are related to the progression of CRC, to which the imbalance in non-enzymatic antioxidants also contributes.

Amina Sofić, I. Rašić, Emsad Halilović, Alma Mujić, Denis Muslić

Aim To investigate the relationship between preoperative level of serum albumin in patients with colorectal cancer (CRC), stage of CRC and postoperative complications. Methods This cross-sectional retrospective study was conducted at the Clinic for General and Abdominal Surgery of the University Clinical Centre Sarajevo (UCCS). A total of 107 patients surgically treated for CRC in the period between 2013 and 2018 were enrolled in this study and divided into two groups: with hypoalbuminemia (group A) and without hypoalbuminemia (group B). Results The average level of albumin in group A was 29 (25-32) g/L versus 39 (37-41) g/L in group B (p<0.05). The average length of hospital stay in group A was 18 (13-25) days, and in group B 14.5 (12-21) days. Patients with hypoalbuminemia (group A) had wound dehiscence more often and more re-interventions compared to group B (p<0.05). Binary logistic regression found that serum protein, albumin and globulin levels were not statistically significant in the prediction of CRC stadium or postoperative complications (p>0.05). Conclusion Study results show that preoperatively measured levels of serum albumin are not associated with the stage of colorectal cancer and cannot serve as predictors for postoperative complications.

Nerma Čustović, Lejla Džananović, I. Rašić, Nadža Zubčević, Lejla Šaranović-Čečo, Aida Drljević, J. Redžepagić

Aim To evaluate the pattern of indications and a spectrum of colonic pathology, and to determine appropriateness of indications for colonoscopy in order to improve patient selection for colonoscopy. Methods This retrospective study includes 294 patients who were referred to the Gastroenterology Department from a primary care physician in order to approach endoscopic examination. Study data included patients' anamnestic data (comorbidities, positive family history, performed radiological examinations) an indication for the procedure, and colonoscopy findings. Results Haematochezia was confirmed in 186 (63.26%), positive radiologic finding in183 (62.24%) and anaemia in 157 (53.40%) patients. Adenoma and colorectal carcinoma were detected in 40 (13.6%) and 53 (18%) patients, respectively. A significant association between haematochezia and colorectal neoplasm was confirmed (p=0.019), haematochezia and inflammatory bowel disease (p=0.027), and between radiological finding and colorectal neoplasm (p=0.018). There was no significant association between anaemia and any of the colonoscopic findings. According to EPAGE II criteria indications were appropriate in 187 (63.6%), uncertain in 67 (22.8%) and inappropriate in 40 (13.6%) patients. Conclusion This study confirmed a slightly larger number of uncertain and inappropriate indications for colonoscopy compared to other studies that examined indications for colonoscopy, which can be attributed to a high number of patients with functional bowel disorders.

Emsad Halilović, I. Rašić, Amina Sofić, Alma Mujić, A. Rovcanin, E. Hodzic, E. Kulović

Introduction: Many evidence indicates that Carcinoembryonic antigen (CEA) and Carbohydrate antigen 19-9 (CA 19-9) have strong reactivity with tumor cells and may serve as a useful marker in identifying patients with colorectal cancer (CRC). Objectives: The goal of this study was to evaluate the relationship between preoperative concentration of serum levels of CEA and CA 19-9 and progression of colorectal cancer. Methods: The retrospective study included 80 patients operated for colorectal cancer at the Clinic for General and Abdominal Surgery, Clinical Center of University of Sarajevo, from 2013 to 2018. The following clinical and laboratory parameters were observed: age, sex, preoperatively measured concentrations of CEA and CA 19-9 antigens, CRC localization, postoperative histopathological findings and CRC stage (TNM classification). All of the data above were processed by relevant statistical methods, with an accepted level of statistical significance of p <0.05. Results: The highest serum levels of CEA and CA 19-9 were observed in stage IV of CRC. Average CEA and CA 19-9 values did not differ significantly between tumor stages (p>0.05). Preoperatively measured serum concentrations of CEA and CA 19-9 in patients with CRC were significantly correlated (rho = 0.328, p = 0.001). An increase in the depth of tumor invasion of the intestinal wall tumor (pT) is followed by an increase in the serum value of the CEA marker, but this ratio was not statistically significant (rho=0.194, p=0.080), while the relationship between depth of intestinal wall invasion and serum level of CA 19-9 was significantly positive correlation (rho = 0.252, p = 0.024). However, the linear regression analysis model showed that serum levels of CEA and CA 19-9 could not be predictors of CRC stage and depth of tumor invasion of the intestinal wall (p> 0.05). Conclusion: Preoperatively measured serum values of CEA and CA 19-9 cannot indicate the specific stage and histopathological size of the CRC.

Azra Rašić, A. Sofić, S. Bešlija, I. Rašić, Berisa Hasanbegović

Aim To compare the effect of neoadjuvant chemotherapy based on taxane and/or anthracycline to the extent of an objective response in female patients with unresectable breast cancer with evaluation of the toxic profile of applied chemotherapy. Methods One hundred patients with histologically verified breast cancer, treated with neoadjuvant chemotherapy were divided into two groups: a study group A (50 patients), who had received 4 to 6 cycles of taxane-based chemotherapy, and control group B (50 patients), who had received 4 to 6 cycles of anthracyclines-based chemotherapy. Pathohistological response was evaluated after tumour excision and axillary resection at the end of chemotherapy and it was defined as pathologic complete (pCR), partial (pPR), or no response (pNR). Toxic effects were evaluated and quantified by the Common Terminology Criteria for Adverse Events v4.0. Results After neoadjuvant chemotherapy, 8% of patients in the group A achieved pCR, 54% achieved pPR, while 38% of patients had no tumour response to applied chemotherapy. In the group B pCR was achieved in 6%, pPR in 42% of patients, while 51% of patients were pNR to the administered chemotherapy. Significant reduction of tumour mass was achieved in the group of patients treated with taxanes: 20.00 (7.75-30.25) vs. 13.50 (6.00-25.00) mm (p=0.024). Toxicity of chemotherapy in group A and group B was within the limits of grade 2. Conclusion The addition of taxane to anthracycline-based neoadjuvant chemotherapy in patients with breast cancer resulted in a significant reduction in tumour mass compared to the group of patients treated with anthracyclines, but without increasing the overall side effects.

SUMMARY – The purpose of the study was to assess the level of serum malondialdehyde (MDA) concentration and its association with the stage and histopathologic sizes of colorectal cancer (CRC). One hundred and two patients having undergone surgical treatment of CRC between January 2014 and December 2015 were included in this cross-sectional study. The patients were divided into four groups (stage I-IV) according to the TNM classification. Control group included 30 subjects with no signs of malignancy and inflammatory diseases. In each patient, preoperative blood samples were obtained for determination of MDA concentration by ELISA immunoassay. Serum levels of MDA were progressively increased in patients with CRC, reaching the highest value in the fourth stage of CRC. Serum concentrations of MDA were significantly higher in pT4 group as compared with pT3 and pT2 groups of CRC patients (p<0.01). Significantly higher levels of MDA were found in the N1 and N2 groups of CRC patients as compared with N0 group, as well as in patients with metastatic disease as compared with those without metastasis (p<0.001). In conclusion, the progression of CRC is associated with a significant increase in serum MDA levels.

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