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1.
Oral Oncol ; 102: 104553, 2020 03.
Article in English | MEDLINE | ID: mdl-32004908

ABSTRACT

BACKGROUND: In head and neck squamous cell carcinoma (HNSCC) 30% of cN0 patients have occult metastasis. LN invasion is a major prognostic factor. Sentinel lymph node (SLN) is an option for cN0 neck management. One-step nucleic acid amplification (OSNA) used to analyze SLN in breast cancer is also a candidate to get more reliable intraoperative HNSCC lymph node (LN) staging. OBJECTIVE: To compare OSNA analysis to pathological analysis in cN0 HNSCC. MATERIALS AND METHODS: 157 LN from 26 cN0 HNSCC patients were prospectively analyzed (6.3LN/patient). Exclusion criteria were previous surgery or radiotherapy. Each node was cut into 4 equal pieces alternatively sent to pathological analysis and OSNA technique. IHC CK19 was performed on the primary tumor biopsy and RT-qPCR of CK19, PVA and EPCAM on the LN lysate of discordant cases. RESULTS: OSNA was able to provide intraoperative result in all patients. OSNA detected 21 metastases. There were 139 concordant LN (88.5%). There were 18 initial discordant LN (11.5%), 13 (8.3%) were OSNA positive/pathological analysis negative, 5 (3.2%) were OSNA negative/pathological analysis positive. After elimination of allocation bias, false negative rate was 1.3%, sensitivity and specificity were 90% and 95.6%, PPV and NPV were 75% and 98.5%. CONCLUSION: Our results suggest that OSNA should be considered to improve SNB analysis both for increasing micro metastasis diagnosis and offer extemporaneous results. Study registered under clinicaltrials.gov database number NCT02852343.


Subject(s)
Head and Neck Neoplasms/genetics , Lymphatic Metastasis/genetics , Nucleic Acid Amplification Techniques/methods , Squamous Cell Carcinoma of Head and Neck/genetics , Adult , Aged , Aged, 80 and over , Epithelial Cell Adhesion Molecule/analysis , Epithelial Cell Adhesion Molecule/genetics , Feasibility Studies , Female , Head and Neck Neoplasms/pathology , Humans , Keratin-19/analysis , Keratin-19/genetics , Lymph Node Excision/methods , Male , Middle Aged , Oligopeptides/analysis , Oligopeptides/genetics , Prospective Studies , RNA, Messenger/analysis , Sensitivity and Specificity , Sentinel Lymph Node , Squamous Cell Carcinoma of Head and Neck/secondary
2.
Clin Otolaryngol ; 43(6): 1478-1486, 2018 12.
Article in English | MEDLINE | ID: mdl-30058759

ABSTRACT

OBJECTIVE: The aim of this study was to compare quality of life (QOL) in small unilateral vestibular schwannoma (VS) patients managed by microsurgery, radiotherapy or observation. STUDY DESIGN: A retrospective chart review. METHODS: The study included a total of 142 patients with VS stage 1 or 2 according to the Koos classification and treated between January 2004 and December 2015. Microsurgery, radiotherapy and observation groups comprised 43, 46 and 53 patients, respectively. All patients completed four QOL (questionnaires: Short-Form Health Survey 36, Hearing Handicap Inventory, Tinnitus Handicap Inventory and Dizziness Handicap Inventory Short-Form). Clinical symptoms and QOL were compared among groups. RESULTS: The average time interval between management and filling in the questionnaires was 66 months. There was no difference in QOL between the three groups on any of the four questionnaires. The most debilitating symptom was vertigo for all three groups. Tinnitus was a pejorative factor in the surgery group. Hearing level was deteriorated after microsurgery but there was no significant difference between the radiotherapy group and the middle fossa approach. CONCLUSION: Patients with small VS stage 1 and 2 had similar QOL, irrespective of management by observation, radiotherapy or microsurgery. The overall predictor for long-term reduced QOL was vertigo. Vestibular rehabilitation could improve QOL in symptomatic patients.


Subject(s)
Microsurgery/methods , Neuroma, Acoustic/psychology , Otologic Surgical Procedures/methods , Quality of Life , Female , Follow-Up Studies , Hearing Tests , Humans , Male , Middle Aged , Neuroma, Acoustic/radiotherapy , Neuroma, Acoustic/surgery , Radiotherapy, Adjuvant/methods , Retrospective Studies , Surveys and Questionnaires , Treatment Outcome
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