Asaduzzaman, M. et al. 2019. A 15-year-old boy with huge facial swelling, recurrent severe epistaxis, progressive proptosis, nasal obstruction and impaired hearing on right side. Bangabandhu Sheikh Mujib Medical University Journal. 12, 4 (Dec. 2019), 199–203. DOI:https://doi.org/10.3329/bsmmuj.v12i4.43985.