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World Neurosurg. 2020 Jan 27;:
Authors: Parsel SM, Jawad BA, McCoul ED
Abstract
OBJECTIVES: To describe the current state of literature involving SMARCB1/INI-1 deficient sinonasal carcinoma (SDSC) and examine a case at our institution.
METHODS: A systematic search was performed using PICOS approach. Search criteria included all occurrences in the title or abstract of the terms: integrase interactor 1 deficient, INI1 deficient, or SMARCB1 deficient and sinonasal carcinoma. The main outcomes were disease free survival, all cause mortality, rates of recurrence or metastases.
RESULTS: Systematic search yielded 13 studies for final review. All studies were either case series or case reports with 82 cases of SDSC published since 2014. Age on presentation ranged from 19 to 75 years with the majority of patients being male. Surgical resection was the primary modality of treatment with adjuvant radiation or chemoradiation therapy. Overall, the prognosis was poor with most tumors presenting at advanced stages with an overall median (range) survival of 22 (12-44) months with an average (SD) of 45.3% (33.1%) of patients dying of the disease. An average (SD) of 38.2% (34.0%) of patients had no evidence of disease at follow up. Studies comparing SNUC to SDSC reported worse prognosis for SDSC and increased risk for locoregional recurrence in the latter cohort.
CONCLUSIONS: SDSC represents a highly aggressive tumor presenting at advanced stage with propensity of metastasis. More research is necessary to determine the optimal treatment modality and management.
PMID: 32001406 [PubMed - as supplied by publisher]
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