ewing's sarcoma is a relatively common malignant bone tumor that typically occurs in long bone diaphyses of adolescents and young adults of 10-30 years old. often times, all ewing's sarcoma of bone have radiographic abnormalities. diagnosis is usually delayed and can be misdiagnosed as osteomyelitis. bone to bone metastasis occurs, but soft tissue retro bulbar metastasis is rare. this...

877 October 2014 A PATIENT presented for enucleation of a blind, painful eye. After sedation, an appropriate orbital-rated 12–6 MHz L-25 ultrasound transducer (Sonosite, Bothell, WA) was positioned obliquely on the upper eyelid. The orbit and adnexa were identified, and a retrobulbar block was performed via an infero-temporal approach.1 The needle’s final position was confirmed on ultrasound. T...

OBJECTIVE To compare the effect of sub-Tenon's lidocaine injections (ST) on akinesia and mydriasis to those of systemic atracurium (AT) and retrobulbar lidocaine injections in dogs. ANIMAL STUDIED Ten healthy beagle dogs without apparent ocular disease. PROCEDURES Three treatments were performed on 10 beagle dogs with a minimum 7-day washout period: intravenous injection of AT (0.2 mg/kg, A...