Esthesioneuroblastoma causes

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]

Overview

Genes involved in the pathogenesis of esthesioneuroblastoma include chromosomal gains in 7q11 and 20q and deletions in 2q, 5q, 6p, 6q, and 18q.[1][2][3]

Causes

  • A tool called array comparative genomic hybridization was applied to the analysis of esthesioneuroblastomass. Although many alterations were identified by this study, chromosomal gains in 7q11 and 20q and deletions in 2q, 5q, 6p, 6q, and 18q have been confirmed by at least two other studies.
  • Although still investigational, the demonstration of human achaete-scute homologue HASH1 gene expression, could become the diagnostic procedure of choice. The HASH1 gene is expressed in immature olfactory cells and is involved in olfactory neuronal differentiation; therefore, it could be useful in distinguishing esthesioneuroblastoma from other poorly differentiated small blue cell tumors.[1][2][3]

References

  1. 1.0 1.1 Guled M, Myllykangas S, Frierson HF, Mills SE, Knuutila S, Stelow EB (2008). "Array comparative genomic hybridization analysis of olfactory neuroblastoma". Mod Pathol. 21 (6): 770–8. doi:10.1038/modpathol.2008.57. PMID 18408657.
  2. 2.0 2.1 Mhawech P, Berczy M, Assaly M, Herrmann F, Bouzourene H, Allal AS; et al. (2004). "Human achaete-scute homologue (hASH1) mRNA level as a diagnostic marker to distinguish esthesioneuroblastoma from poorly differentiated tumors arising in the sinonasal tract". Am J Clin Pathol. 122 (1): 100–5. doi:10.1309/QD0K-9Q1J-BH6B-5GQQ. PMID 15272537.
  3. 3.0 3.1 Carney ME, O'Reilly RC, Sholevar B, Buiakova OI, Lowry LD, Keane WM; et al. (1995). "Expression of the human Achaete-scute 1 gene in olfactory neuroblastoma (esthesioneuroblastoma)". J Neurooncol. 26 (1): 35–43. PMID 8583243.

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