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Current therapies for Head and Neck cancer treatment are extremely advanced. Though, they cause oral complications which have deleterious effects on basic life functions, affect oral and overall health, may lead to significant morbidity and treatment discontinuation and have an impact on survivorship and quality of life. As new therapies are introduced, a new spectrum of oral complications is rising, compromising the mucosal integrity and the salivary function, that may not be recognized, reported and treated properly. Oral complications, often permanent and extremely painful, may include mucositis, xerostomia, dysgeusia, infections, trismus and fibrosis, risk of dental disease and necrosis of the jaw, neurosensory disorders and when targeted therapies and immunotherapy are involved, aphthoid and lichenoid lesions can also be reported. Increased awareness is required for the prevention and management of these complications, which can be best provided by a multidisciplinary team.

Pain due to oral-mucositis (OM) in head and neck cancer (HNC) patients receiving radiotherapy (RT) /chemo-radiotherapy (CRT) can be nociceptive and/or neuropathic. Neuropathic pain (NP) often remains underdiagnosed and untreated. This study's purpose was to identify the presence of OM-induced NP in HNC patients under RT/CRT.Pain was assessed using a 0-10 numeric scale (NRS). At an NRS≥5 score, patients completed the Douleur Neuropathique 4 (DN4) questionnaire, where a score ≥4/10 indicates the presence of NP. Mucositis and xerostomia were assessed using the European Organization for Research and Treatment of Cancer and the NRS scales accordingly. Pain medication was documented.Forty patients were recruited; twenty-six (mean age 63.54±13.96 years) completed a DN4 (mean pain NRS 7.46±1.42); five (5/26, 19.23%) had a DN4≥4. The most common NP descriptors were "burning" (34.62%), "electric shocks" (30.77%) and "pins-and-needles" (30.77%). A direct correlation was observed between DN4 and pain, mucositis, and xerostomia (p0.02). Pain medication was administered to fifteen patients (15/26, 57.69%). Adjuvant medication was administered to one patient with positive DN4 score.Five (5/26, 19%) of the patients with NRS≥5 developed NP; adjuvant medication to address NP was prescribed to one patient. NP is likely underdiagnosed and undertreated in the HNC population undergoing RT/RC.

Background Patients, who receive radiotherapy (RT) for head and neck cancer, develop chronic functional abnormalities and survive with reduced quality of life. Purpose We aimed to study patients with oral cancer, who received post-operative radiotherapy or chemoradiotherapy. Patients Ten patients (mean age 63.8 years) were included. Methods Oral mucositis, pain and xerostomia, maximum mouth opening (MMO) and functional abnormalities before and after RT were recorded. The 35 mm MMO or less was accepted as trismus. Patients completed the EORTC QLQ C-30 and Head/Neck35 questionnaires. Results Mean RT dose was 64.3 Gray. Six patients received chemoradiotherapy. Severe mucositis, pain and xerostomia were recorded in 6 and 5 patients respectively. MMO was reduced in all patients. The mean MMO (34 mm) reached the level of trismus. The total number of symptoms increased from 3.1 to 6.3 in C-30 and from 3.1 to 8.8 per patient in the H/N35. Severe fatigue, pain, limitations at work, weakness, sad feelings, family problems, sleeping problems, anorexia, financial difficulties, tense/irritable, constipation, nausea, vomiting and depression were most often reported with C-30. Most patients reported low to moderate quality of life. Severe oral, jaw and neck pain, swallowing problems, taste alterations, sticky saliva, dry mouth, coarseness, dental problems, feeling sick and reduced interest in life/sex were the most common symptoms reported with N/H35. Conclusions The observed trismus, 2- to 3-fold increase of symptoms and poorer quality of life highlighted the need for support of oral cancer patients, who receive postoperative radiotherapy or chemoradiotherapy.