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Plasma medical oncology: Immunological interpretation in head and neck squamous cell carcinoma
(2020)
Over the past several years, various important articles focusing on cancer therapy
approaches in head and neck squamous cell carcinomas (HNSCCs) using cold
atmospheric plasma (CAP) have been published (SEMMLER et al. 2020 [53],
METELMANN et al. 2018 [44], KEIDAR et al. 2011 [33]). This doctoral thesis presents
selected results from a prospective observational clinical study in CAP therapy of
palliative HNSCC patients, carried out at the Department of Oral and Maxillofacial
Surgery/Plastic Surgery of the Greifswald University Medicine. For oral and
maxillofacial surgeons, ulcerated surfaces of locally advanced head and neck squamous
cell carcinomas (UICC IV) offer a challenging treatment assignment with microbial
contamination and tumour progression. The clinical attempt appears to eradicate
microbial contamination and to initiate tumour regression. This doctoral thesis will
describe the processes of human tumour biology and tumour immunology in HNSCCs
and the extent of present knowledge concerning plasma medical oncology as an
anticancer modality. In the introduction of the doctoral thesis clinical results of plasma
therapy in locally advanced HNSCCs (UICC IV) are set out. This mainly includes the
investigation of a therapeutic concept, the treatment phases, the tumour size development
and the morphological changes of the infected tumour surface following cold atmospheric
plasma therapy. In the main part, a detailed immunological interpretation is proposed on
the basis of present preclinical and clinical immunological knowledge. Finally,
unexplored questions in plasma medical oncology are highlighted. This is highly
significant for future plasma research and clinical anticancer therapy.