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    Tytuł:
    Triple negative breast cancer with ACTH-dependent Cushings syndrome - case report
    Autorzy:
    Hodorowicz-Zaniewska, Diana
    Brzuszkiewicz, Karolina
    Szpor, Joanna
    Powiązania:
    https://bibliotekanauki.pl/articles/1392214.pdf
    Data publikacji:
    2019
    Wydawca:
    Index Copernicus International
    Tematy:
    breast cancer
    paraneoplastic syndrome
    ACTH
    adrenocorticotropin
    Cushing’s syndrome
    Opis:
    Introduction: Endocrine and metabolic paraneoplastic syndromes in the course of malignant tumors result from ectopic production of hormones or hormone precursors in tumor cells. Production of hormones by endocrine tumors is relatively frequent, while such production by adenocarcinoma cells is definitely rare. The study presents a case of triple-negative invasive breast cancer, with the ectopic secretion of ACTH (adrenocorticotropic hormone), which provokes serious metabolic disorders. Materials and methods: The patient was admitted to hospital with symptoms of Cushing`s syndrome. Diagnostic tests revealed that the cause of metabolic disorders was breast cancer. After proper preparation, the patient was qualified for surgery. Results: After the mastectomy, the patient’s metabolism stabilized. The patient underwent adjuvant chemotherapy and radiotherapy. Four months after the last cycle of systemic treatment, cancer dissemination was found. The patient was treated with second-line chemotherapy, however, control CT revealed progression. The patient died 20 months after surgery and two months after the last cycle of chemotherapy. Conclusions: The case reported in this study – triple-negative invasive breast cancer, responsible for ectopic production of ACTH and causing Cushing’s syndrome – is a rare phenomenon. Treatment of patients with breast cancer showing hormonal activity should not differ from general rules applied for breast cancer. However, due to accompanying metabolic disturbances, the patients need individualized oncological approach, precise diagnostic tests, and adequate preoperative preparation.
    Źródło:
    Polish Journal of Surgery; 2019, 91, 2; 45-47
    0032-373X
    2299-2847
    Pojawia się w:
    Polish Journal of Surgery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Outcome of Targeted Therapy in Advanced Gastrointestinal Stromal Tumors (Gist) with Non-Exon 11 Kit Mutations
    Autorzy:
    Osuch, Czesław
    Rutkowski, Piotr
    Brzuszkiewicz, Karolina
    Bylina, Elżbieta
    Limon, Janusz
    Siedlecki, Janusz A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1395799.pdf
    Data publikacji:
    2014-07-01
    Wydawca:
    Index Copernicus International
    Tematy:
    GIST
    KIT mutations
    imatinib
    Opis:
    GIST is the most common mesenchymal tumour of gastrointestinal tract arising from mutation of KIT or PDGFRA gene. Surgery is the primary method of treatment, however a targeted therapy with imatinib is necessary due to recurrence. The aim of the study was to evaluate efficacy of the targeted chemotherapy in advanced gastrointestinal stromal tumours with non-exon 11 KIT mutations. Material and methods. Data from 279 patients with advanced GIST treated with imatinib between 2001 and 2011 were analysed in the study. Exon 11 KIT mutation was found in 192 patients (68.7%), non-exon 11 KIT mutation was found in 87 patients (31.3%): this group included lack of mutation - wild-type, exon 9 KIT mutations, exon 18 PDGFRA D842V mutations, non-D842V PDGFRA mutations as well as non-exon 9 and 11 KIT mutations. Analysis of progression-free survival and overall survival were done for the entire group of patients and for patients with particular mutations, and then effects on progression-free survival and overall survival of such factors as sex, age, imatinib dose were evaluated. Results. Occurrence of non-exon 11 KIT mutation increases the risk of disease progression by 20% in comparison to the presence of exon 11 KIT mutation, however it does not increase the risk of patient’s death. Percentage of 5-year progression-free survivals is the greatest in the case of PDGFRA mutation other than D842V mutation. Percentage of 5-year survivals in case of the presence of D842V PDGFRA mutation is more than twice worse than in the case of the other mutations. Lesion location in the gastrointestinal tract affected the risk of death, with the greatest percentage of 5-year survival for lesions located in the stomach. Such factors as sex, age at diagnosis (<50, ≥50 years) and imatinib dose did not affect the risk of disease progression and the risk of patient’s death. Conclusions. The ratio of overall survival of patients with advanced GIST with a mutation other than exon 11 KIT mutation treated with imatinib is similar to the ratio of overall survival of patients with GIST with exon 11 KIT mutation. An exception is the group of patients with GIST in whom the presence of D842V PDGFRA mutation was found. In general, longer survival has been found in patients with GIST located in the stomach in comparison to the small intestine or other less frequent locations. Percentage of 5-year progression-free survivals is the greatest in the case of PDGFRA mutation other than D842V mutation.
    Źródło:
    Polish Journal of Surgery; 2014, 86, 7; 325-332
    0032-373X
    2299-2847
    Pojawia się w:
    Polish Journal of Surgery
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-2 z 2

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