1. Spremljanje bolnic z ginekološkimi raki po zaključenem zdravljenjuDarja Arko, 2024, objavljeni strokovni prispevek na konferenci Povzetek: Število žensk, ki so se zdravile zaradi ginekoloških rakov, se veča zaradi staranje populacije, zgodnjega odkrivanja bolezni in bolj uspešnih načinov zdravljenja. Rak in zdravljenje raka prizadenejo ženske na več nivojih, fizično in psihično. Najpogostejše težave so kronične bolečine, utrujenost, limfedem, nevropatija, anksioznost in depresija. Ginekološki raki in njihovo zdravljenje imajo dodatno še pomemben negativen vpliv tudi na spolno življenje. Spremljanje bolnic po zdravljenju raka zato ni namenjeno samo zgodnjemu odkrivanju morebitne ponovitve bolezni, ampak tudi zagotavljanju čim boljše kakovosti življenja. Pomembno in potrebno je, da pri bolnicah po zdravljenju ginekoloških rakov prepoznamo in lajšamo težave, ki so posledica bodisi bolezni same ali pa posledica zdravljenja raka. Načini in organizacija spremljanja bolnic z ginekološkimi raki se močno razlikuje med posameznimi centri in državami, jasnih dokazov, kateri je najboljši način dela, ni. Verjetnost ponovitve bolezni se razlikuje glede na vrsto raka, stadij bolezni, stanje bolnice in glede na to, kako je bila zdravljena, zato je tudi spremljanje smiselno prilagoditi posameznici, kar poudarja večina sodobnih smernic. Ginekološki raki predstavljajo heterogeno skupino bolezni. Mednarodna in domača priporočila o spremljanju so narejena za posamezne lokalizacije in so na kratko predstavljena v prispevku.
Ključne besede: rak (medicina), ginekologija, ponovitev bolezni, kakovost življenja, strokovna priporočila
Objavljeno v DiRROS: 04.06.2024; Ogledov: 67; Prenosov: 22
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2. Effects of electrochemotherapy with cisplatin and peritumoral IL-12 gene electrotransfer on canine mast cell tumors : a histopathologic and immunohistochemical studyClaudia Salvadori, Tanja Švara, Guido Rocchigiani, Francesca Millanta, Darja Pavlin, Maja Čemažar, Urša Lampreht Tratar, Gregor Serša, Nataša Tozon, Alessandro Poli, 2017, izvirni znanstveni članek Povzetek: The study was aimed to characterize tumor response after combined treatment employing electrochemotherapy with IL-12 gene electrotransfer in dogs with spontaneous mast cell tumors (MCT). Materials and methods. Eleven dogs with eleven MCTs were included in the study. Histological changes were investigated in biopsy specimens collected before the treatment (T0), and 4 (T1) and 8 weeks (T2) later. Cellular infiltrates were characterized immunohistochemically by using anti CD3, CD20, Foxp3 (Treg), CD68 and anti MHC-class II antibodies. Proliferation and anti-apoptotic activity of neoplastic cells were assessed using anti Ki-67 and Bcl-2 antibodies. Angiogenetic processes were investigated immunohistochemically by using anti Factor VIII and anti CD31 antibodies and micro vessel density quantification. Results. Histopathological examination of samples at T0 confirmed the diagnosis and the presence of scanty infiltrates consisted mainly of T-lymphocytes and macrophages. At T1 and T2 neoplastic cells were drastically reduced in 7/11 cases, small clusters of neoplastic cells were detected in 3/11 cases and 1/11 cases neoplastic cells were still evident. Proliferation activity of neoplastic cells was significantly reduced at T1 and T2 and expression of anti-apoptotic protein at T1. Microvessel density was drastically reduced in all samples after treatment. The number of T-lymphocytes increased at T1, although not significant, while Treg were significant higher at T1 and macrophages at T2. Conclusions. The combined electrochemotherapy and IL-12 gene electrotransfer effectively induced a cellular response against neoplastic cells characterized mainly by the recruitment of T-lymphocytes and macrophages and a fibrotic proliferation with reduction of microvessels.
Ključne besede: histopathology, interleukin-12, elektroporation, electrochemotherapy, immune cells
Objavljeno v DiRROS: 31.05.2024; Ogledov: 78; Prenosov: 59
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3. Leiomyosarcoma of the renal vein : analysis of outcome and prognostic factors in the world case series of 67 patientsMarko Novak, Andraž Perhavec, Katherine E. Maturen, Snežana Pavlović Djokić, Simona Jereb, Darja Eržen, 2017, izvirni znanstveni članek Povzetek: Background Leiomyosarcoma is a rare malignant mesenchymal tumour. Some cases of leiomyosarcoma of the renal vein (LRV) have been reported in the literature, but no analysis of data and search for prognostic factors have been done so far. The aim of this review was to describe the LRV, to analyse overall survival (OS), local recurrence free survival (LRFS) and distant metastases free survival (DMFS) in LRV world case series and to identify significant predictors of OS, LRFS and DMFS. Methods Cases from the literature based on PubMed search and a case from our institution were included. Results Sixty-seven patients with a mean age of 56.6 years were identified; 76.1% were women. Mean tumour size was 8.9 cm; in 68.7% located on the left side. Tumour thrombus extended into the inferior vena cava lumen in 13.4%. All patients but one underwent surgery (98.5%). After a median follow up of 24 months, the OS was 79.5%. LRFS was 83.5% after a median follow up of 21.5 months and DMFS was 76.1% after a median follow up of 22 months. Factors predictive of OS in univariate analysis were surgical margins, while factors predictive of LRFS were inferior vena cava luminal extension and grade. No factors predictive of DMFS were identified. In multivariate analysis none of the factors were predictive of OS, LRFS and DMFS. Conclusions Based on the literature review and presented case some conclusions can be made. LRV is usually located in the hilum of the kidney. It should be considered in differential diagnosis of renal and retroperitoneal masses, particularly in women over the age 40, on the left side and in the absence of haematuria. Core needle biopsy should be performed. Patients should be managed by sarcoma multidisciplinary team. LRV should be surgically removed, with negative margins.
Ključne besede: leiomysarcoma, renal vein, surgery, outcomes, prognostic factors
Objavljeno v DiRROS: 24.05.2024; Ogledov: 94; Prenosov: 100
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7. Urokinase plasminogen activator (uPA) and plasminogen activator inhibitor type-1 (PAI-1) in breast cancer : correlation with traditional prognostic factorsMaja Lampelj, Darja Arko, Nina Čas-Sikošek, Rajko Kavalar, Maja Ravnik, Barbara Jezeršek Novaković, Sarah Dobnik, Nina Fokter Dovnik, Iztok Takač, 2015, izvirni znanstveni članek Povzetek: Background. Urokinase plasminogen activator (uPA) and plasminogen activator inhibitor type-1 (PAI-1) play a key role in tumour invasion and metastasis. High levels of both proteolytic enzymes are associated with poor prognosis in breast cancer patients. The purpose of this study was to evaluate the correlation between traditional prognostic factors and uPA and PAI-1 expression in primary tumour of breast cancer patients. Patients and methods. 606 primary breast cancer patients were enrolled in the prospective study in the Department of gynaecological oncology and breast oncology at the University Medical Centre Maribor between the years 2004 and 2010. We evaluated the traditional prognostic factors (age, menopausal status, tumour size, pathohistological type, histologic grade, lymph node status, lymphovascular invasion and hormone receptor status), together with uPA and PAI-1. We used Spearman%s rank correlation, Mann Whitney U test and X2 test for statistical analysis. Results. Our findings indicate a positive correlation between uPA and tumour size (p < 0.001), grade (p < 0.001), histological type (p < 0.001), lymphovascular invasion (p = 0.01) and a negative correlation between uPA and hormone receptor status (p < 0.001). They also indicate a positive correlation between PAI-1 and tumour size (p = 0.004), grade (p < 0.001), pathohistological type (p < 0.001) and negative correlation between PAI-1 and hormone receptor status (p = 0.002). Conclusions. Our study showed a relationship between uPA and PAI-1 and traditional prognostic factors. Their role as prognostic and predictive factors remains to be further evaluated.
Ključne besede: urokinase plasminogen activator, plasminogen activator inhibitor, breast cancer
Objavljeno v DiRROS: 17.04.2024; Ogledov: 167; Prenosov: 76
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8. Additive and lithographic manufacturing of biomedical scaffold structures using a versatile thiol-ene photocurable resinMichael Kainz, Stjepan Perak, Gerald Stubauer, Sonja Kopp, Sebastian Kauscheder, Julia Hemetzberger, Adrián Martínez Cendrero, Andrés Díaz Lantada, Disha Tupe, Zoltan Major, Darja Marolt Presen, 2024, izvirni znanstveni članek Objavljeno v DiRROS: 20.03.2024; Ogledov: 256; Prenosov: 274
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9. Electrogene therapy with interleukin-12 in canine mast cell tumorsDarja Pavlin, Maja Čemažar, Andrej Cör, Gregor Serša, Azra Pogačnik, Nataša Tozon, 2011, izvirni znanstveni članek Ključne besede: psi, tumor, zdravljenje, elektrogenska terapija, plazmidi
Objavljeno v DiRROS: 19.03.2024; Ogledov: 155; Prenosov: 47
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