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1112. Adverse events during immunotherapy in Slovenian patients with metastatic melanoma reveal a positive correlation with better treatment outcomesTanja Mesti, Vid Čeplak Mencin, Biljana Mileva Boshkoska, Janja Ocvirk, 2021, izvirni znanstveni članek Povzetek: Background. Immunotherapy with CTLA-4 inhibitors and PD1 checkpoint inhibitors has initiated a breakthrough in the treatment and prognosis of patients with metastatic melanoma. The survival of these patients has increased from the expected survival time of less than 12 months to at least forty months. However, immunotherapy with either anti-CTLA-4 antibodies or PD1 inhibitors alone or in combination has a broad palette of significant immune-related adverse events. The aim of the study was to assess the correlation of immune-related adverse events with treatment outcomes defined as significant differences in the overall response rate (ORR) and progression-free survival (PFS) of patients, who developed immune-related adverse events during immunotherapy.Patients and methods. A retrospective analysis of patients with metastatic melanoma treated with immuno-therapy in 2020 at the Oncology Institute of Ljubljana was performed. Only patients with radiological evaluation of the immunotherapy response were included. The patients were divided into two cohorts: a cohort of patients with immune-related adverse events (irAE group) and a cohort of patients with no immune-related adverse events (NirAE group). Significantly better overall response and progression-free survival in the irAE cohort defined the primary aim of our study. To investigate the differences in progression-free survival between the irAE cohort and NirAE cohort, we used survival analysis. In particular, a Cox proportional hazards model with covariates of time to progression and adverse events was used for survival analysis. The Kruskal-Wallis H-test was applied, and a p-value of p <= 0.05 was considered the cut-off point for a statistically significant difference between the groups.Results. Among the 120 patients treated with immunotherapy, radiological response evaluation was performed for 99 patients: 38 patients in the irAE cohort and 61 patients in the NirAE cohort. The ORRs for the irAE and NirAE cohorts were 57% and 37%, respectively. The PFS was significantly better for the irAE cohort (301.6 days) than for the NirAE co-hort (247.29 days). The results of the survival regression analysis showed a significant increase in the survival probability from less than 60% for the NirAE cohort to almost 80% for the irAE cohort.Conclusions. Patients with metastatic melanoma treated with immunotherapy who developed immune-related adverse events showed better treatment outcomes with longer times to disease progression and better overall re-sponse rates than patients treated with immunotherapy who did not develop immune-related adverse events, with a significant increase in the survival probability from less than 60% for the NirAE cohort to almost 80% for the irAE cohort.
Ključne besede: immune related adverse events, immunotherapy, metastases, melanoma
Objavljeno v DiRROS: 22.07.2024; Ogledov: 250; Prenosov: 142
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1113. The importance of flaps in reconstruction of locoregionally advanced lateral skull-base cancer defects : a tertiary otorhinolaryngology referral centre experienceDomen Vozel, Peter Pukl, Aleš Grošelj, Aleksandar Aničin, Primož Strojan, Saba Battelino, 2021, izvirni znanstveni članek Povzetek: Background. The aim of the study was to identify the value of extensive resection and reconstruction with flaps in the treatment of locoregionally advanced lateral skull-base cancer.Patients and methods. The retrospective case review of patients with lateral skull-base cancer treated surgically with curative intent between 2011 and 2019 at a tertiary otorhinolaryngology referral centre was made. Results. Twelve patients with locoregionally advanced cancer were analysed. Lateral temporal bone resection was performed in nine (75.0%), partial parotidectomy in six (50.0%), total parotidectomy in one (8.3%), ipsilateral selective neck dissection in eight (66.7%) and ipsilateral modified radical neck dissection in one patient (8.3%). The defect was reconstructed with anterolateral thigh free flap, radial forearm free flap or pectoralis major myocutaneous flap in two patients (17.0%) each. Mean overall survival was 3.1 years (SD = 2.5) and cancer-free survival rate 100%. At the data collection cut-off, 83% of analysed patients and 100% of patients with flap reconstruction were alive. Conclusions. Favourable local control in lateral skull-base cancer, which mainly involves temporal bone is achieved with an extensive locoregional resection followed by free or regional flap reconstruction. Universal cancer registry should be considered in centres treating this rare disease to alleviate analysis and multicentric research.
Ključne besede: temporal bone, microsurgery, parotid region, free tissue flaps, neoplasm staging, ear
Objavljeno v DiRROS: 22.07.2024; Ogledov: 297; Prenosov: 169
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1115. Trends in population-based cancer survival in SloveniaVesna Zadnik, Tina Žagar, Katarina Lokar, Sonja Tomšič, Amela Duratović Konjević, Branko Zakotnik, 2021, izvirni znanstveni članek Ključne besede: cancer burden, cancer survival, time trend, cancer registry
Objavljeno v DiRROS: 22.07.2024; Ogledov: 236; Prenosov: 154
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1116. The outcome of IVF/ICSI cycles in male cancer patients : retrospective analysis of procedures from 2004 to 2018Tanja Burnik Papler, Eda Vrtačnik-Bokal, Sašo Drobnič, Martin Štimpfel, 2021, izvirni znanstveni članek Ključne besede: assisted reproduction techniques, fertility preservation, infertility, pregnancy, sperm cryopreservation
Objavljeno v DiRROS: 22.07.2024; Ogledov: 276; Prenosov: 79
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1117. Radiotherapy-associated angiosarcoma in the breast reconstructed by autologous free-flap and treated with electrochemotherapyRomi Cencelj-Arnež, Jerica Novak, Andreja Klevišar Ivančič, Maša Omerzel, Maja Čemažar, Marko Snoj, 2021, izvirni znanstveni članek Povzetek: Radiotherapy-associated angiosarcoma (RAA) of the breast is a rare complication of radiotherapy, which is often difficult to identify and has poor prognosis. It usually presents as violaceous skin, erythema or rapidly growing palpable firm mass that can be confused with other benign skin lesions. Patients and methods After reviewing the literature, we found only four cases with RAA after mastectomy and autologous breast reconstruction. The presented case is the first that was treated by electrochemotherapy. The patient presented with secondary angiosarcoma of the breast five years after mastectomy, immediate breast reconstruction with deep inferior epigastric artery perforator free flap and adjuvant radiotherapy. Results Electrochemotherapy was feasible, safe and effective in treatment of radiation induced sarcoma. Most of the treated lesions in several consecutive electrochemotherapy sessions responded with complete response, but multiple recurrences occurred in non-treated areas. Conclusions Patients with breast cancer after skin-sparing mastectomy and immediate breast reconstruction, who receive radiotherapy, need regular long-term follow up and low threshold for biopsy of any suspicious lesions is mandatory. Electrochemotherapy proved as one of feasible modalities of treatment for RAA.
Ključne besede: angiosarcoma, breast reconstruction, breast cancer, electrochemotherapy
Objavljeno v DiRROS: 22.07.2024; Ogledov: 366; Prenosov: 114
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1119. Preoperative serum CA-125 level as a predictor for the extent of cytoreduction in patients with advanced stage epithelial ovarian cancerSebastjan Merlo, Nikola Bešić, Eva Drmota, Nina Kovačević, 2021, izvirni znanstveni članek Povzetek: Background. Ovarian cancer is the seventh most common cancer in women worldwide and the eighth most common cause of cancer death. Due to the lack of effective early detection strategies and the unspecific onset of symptoms, it is diagnosed at an advanced stage in 75% of cases. The cancer antigen (CA) 125 is used as a prognostic marker and its level is elevated in more than 85% of women with advanced stages of epithelial ovarian cancer (EOC). The standard treatment is primary debulking surgery (PDS) followed by adjuvant chemotherapy (ACT), but the later approach is neoadjuvant chemotherapy (NACT) followed by interval debulking surgery (IDS). Several studies have been conducted to find out whether preoperative CA-125 serum levels influence treatment choice, surgical resection and survival outcome. The aim of our study was to analyse experience of single institution as Cancer comprehensive center with preoperative usefulness of CA-125. Patients and methods. At the Institute of Oncology Ljubljana a retrospective analysis of 253 women with stage FIGO IIIC and IV ovarian cancer was conducted. Women were divided into two groups based on their primary treatment. The first group was the NACT group (215 women) and the second the PDS group (38 women). The differences in patient characteristics were compared using the Chi-square test and ANOVA and the Kaplan-Meier method was used for calculating progression-free survival (PFS) and overall survival (OS). Results. The median serum CA-125 level was higher in the NACT group than in the PDS group, 972 IU/ml and 499 IU/ ml, respectively. The PFS in the NACT group was 8 months (95% CI 6.4%9.5) and 18 months (95% CI 12.5%23.4) in the PDS group. The median OS was lower in the NACT group than in the PDS group, 25 months (95% CI 20.6%29.5) and 46 months (95% CI 32.9%62.1), respectively. Conclusions. Preoperative CA-125 cut off value of 500 IU/ml is a promising threshold to predict a successful PDS.
Ključne besede: ovarian cancer, tumour marker, neoadjuvant chemotherapy, CA-125
Objavljeno v DiRROS: 22.07.2024; Ogledov: 240; Prenosov: 82
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1120. Surgical treatment and fertility perservation in endometrial cancerNina Kovačević, 2021, pregledni znanstveni članek Povzetek: Endometrial cancer (EC) represents a high health burden in Slovenia and worldwide. The incidence is increasing due to lifestyle and behavioural risk factors such as obesity, smoking, oestrogen exposure and aging of the population. In many cases, endometrial cancer is diagnosed at an early stage due to obvious signs and symptoms. The standard treatment is surgery with or without adjuvant therapy, depending on the stage of the disease and the risk of recurrence. However, treatment modalities have changed in the last decades, considerably in the extent of lymphadenectomy. Conclusions. The gold standard of treatment for is surgery, which may be the only treatment modality in the early stages of low-grade tumours. In recent years, a minimally invasive approach with sentinel node biopsy (SNB) has been proposed. A conservative approach with hormonal treatment is used if fertility preservation is desired. If EC is in advance stage, high-risk histology, or high grade, radiotherapy, chemotherapy, or a combination of both is recommended.
Ključne besede: endometrial cancer, uterus, treatment, minimally invasive surgery
Objavljeno v DiRROS: 22.07.2024; Ogledov: 247; Prenosov: 70
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