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...

Introduction. Regional blockades in children ophthalmology operations are used not only for analgesia the intra- and postoperative period, but also prevention of oculocardial reflex (OCR), nausea vomiting (PONV). But there is still no convincing data on advantages methods retrobulbar blockade (RBB) performed under ultrasound guidance parabulbar (PBB) guidance. Aim. In present study, we investig...

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...