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Title: Orbital rhabdomyosarcoma presenting as an apparent orbital subperiosteal abscess. Author: Seedat RY, Hamilton PD, de Jager LP, Strydom W, Beukes CA. Journal: Int J Pediatr Otorhinolaryngol; 2000 Apr 15; 52(2):177-81. PubMed ID: 10767467. Abstract: We present a patient with acute sinusitis whose CT scan showed a ring-enhancing lesion within the orbit typical of an orbital subperiosteal abscess. On exploration of the orbit, there was no pus present but a tumour was found, which on histological examination was found to be a rhabdomyosarcoma. The clinical signs and CT characteristics of orbital subperiosteal abscesses and rhabdomyosarcomas are discussed. A ring-enhancing lesion within the orbit on CT scan should not be regarded as being pathognomonic for a subperiosteal abscess and the possibility of other diagnoses should be considered.[Abstract] [Full Text] [Related] [New Search]