ophthalmic indications of_gk

OPHTHALMIC OPHTHALMIC INDICATIONS:INDICATIONS:GK SURGERYGK SURGERY

Dr Deepak AgrawalDr Deepak AgrawalAssistant Professor,Assistant Professor,

Department of Neurosurgery & Gamma Knife,Department of Neurosurgery & Gamma Knife,All India Institute of Medical Sciences, New All India Institute of Medical Sciences, New

DelhiDelhi

Ophthalmic indications of GK

INDICATIONSINDICATIONS Uveal melanomasUveal melanomas Eye metastasesEye metastases Advanced glaucomaAdvanced glaucoma Age-related macular degeneration Age-related macular degeneration

(ARMD)(ARMD) HemangioblastomaHemangioblastoma AngioreticulomaAngioreticuloma PseudotumorsPseudotumors Vegetative pain. Vegetative pain.


EYE IMMOBILIZATIONEYE IMMOBILIZATION

Retrobulbar anesthetic block of 2.5 Retrobulbar anesthetic block of 2.5 ml mepivacain and 2.5 ml ml mepivacain and 2.5 ml bupivacaine bupivacaine

Transconjunctival fixation of the four Transconjunctival fixation of the four rectus muscles and fixation of the rectus muscles and fixation of the sutures to the stereo-tactic framesutures to the stereo-tactic frame


POSITIONINGPOSITIONING

The radiosurgical procedure is The radiosurgical procedure is usually performed with the patient in usually performed with the patient in the prone position the prone position


UVEAL MELANOMAUVEAL MELANOMA

Fakiris AJ et al. Fakiris AJ et al. Gamma-knife-based Gamma-knife-based stereotactic radiosurgery for uveal stereotactic radiosurgery for uveal melanoma.melanoma. Stereotact Funct Stereotact Funct Neurosurg. 2007;85(2-3):106-12Neurosurg. 2007;85(2-3):106-12

40 Gy prescribed to the 50% 40 Gy prescribed to the 50% isodose line for all patientsisodose line for all patients

The 3- and 5-year tumor control The 3- and 5-year tumor control rates were both 94% rates were both 94%


ACCURACYACCURACY

Novotný J, Novotný J, Lišcák R, Novotný J, Novotný J, Lišcák R, Spevácek V, Hrbácek J, Dvorák P, Spevácek V, Hrbácek J, Dvorák P, Cechák T, Tintera J, Vymazal J, Cechák T, Tintera J, Vymazal J, Vladyka V. Vladyka V. Assessment of the Assessment of the Accuracy in Ophthalmic Accuracy in Ophthalmic RadiosurgeryRadiosurgery. Kondziolka D (ed): . Kondziolka D (ed): Radiosurgery. Basel, Karger, 2006, Radiosurgery. Basel, Karger, 2006, vol 6, pp 71-85vol 6, pp 71-85


COMPLICATION AVOIDANCECOMPLICATION AVOIDANCE


GlaucomaGlaucoma

chronic painful glaucoma refractory chronic painful glaucoma refractory to medical treatmentto medical treatment

Ophthalmic indications of GKTHANK YOUTHANK YOU

ophthalmic indications of_gk

Health & Medicine

hrbcek j

tintera j

vymazal j

accuracy novotn j

ophthalmic radiosurgery

ophthalmic indications

stereotactic radiosurgery

uveal melanoma fakiris