Ultrasonography in Ophthalmology 12 [electronic resource] : Proceedings of the 12th SIDUO Congress, Iguazú Falls, Argentina, 1988 /

One. The Orbit -- 1. Ultrasonically-guided biopsy in orbital tumours -- 2. Echodriven fine needle aspiration biopsy in orbital tumor diagnosis -- 3. Echography assisted fine needle aspiration biopsy for diagnosing orbital pseudotumor and lymphoma -- 4. Ultrasound diagnosis of orbital histiocytofibromas -- 5. Orbitary myxoma: ultrasonographic diagnosis -- 6. Pre-operative and post-operative echographic results on patients undergoing optic nerve sheath decompression -- 7. Evaluation of the subarachnoidal space—comparisons between ultrasound and high resolution NMR-techniques -- 8. Lesions of the lacrimal fossa: a retrospective echographic study -- 9. Ultrasound diagnosis of orbital schwannomas -- Two. Biometry -- 10. Automatic measurement technique of the axial length using a new type of B-mode ultrasonography -- 11. Transducer performance parameters and their influence on biometric results -- 12. Clinical usefulness of linking biometry systems to personal computers -- 13. Continuous biometry of the chrystalline lens during accommodation -- 14. Biometric investigation of the effect of gravity on the chrystalline lens during accommodation -- 15. In vivo determination of the speed of ultrasound in cataracted lenses -- 16. Biometry and characterization of the lens -- 17. Formulas and results of intraocular lens implantation -- 18. Axial length measurements and IOL power calculations in microphthalmic eyes -- 19. Ultrasound diagnosis of unilateral axial myopia -- 20. Biometry of retina choroid layer -- 21. Eye size of the premature infant around presumed term -- 22. Choroidal nevi: diagnosis with standardized echography -- 23. Echometry in congenital glaucoma: long-term results after 10 to 17 years of surgery -- 24. Long-term biooculometry of developmental glaucoma -- 25. Relation between axial length and refraction in eyes with congenital glaucoma -- 26. Biometric study of eyes with angle closure glaucoma -- Three. Vitreoretinal Diseases -- 27. Correlation between echography, vitreous surgery findings and follow-up -- 28. Power spectrum analysis of ultrasonic radio-frequency signals in vitreous diseases -- 29. Vitreous membranes: update echographical diagnosis -- 30. Reliability of standardized ultrasound in pre-operative diagnosis for vitreous surgery in diabetic patients -- 31. Ultrasound imaging in retinopathy of prematurity: retinal detachment in ROP stage 5 eyes and eye as prognostic indicator -- 32. Gas retinal detachment treatment and echography -- 33. Echographically driven extraction of foreign bodies -- 34. A case with a macular granuloma seropositive for Toxocara canis examined with standardized echography -- Four. Intraocular Tumours -- 35. Ultrasonography in intraocular tumours -- 36. Morphological parameters of intraocular tumours taking part in echographical tracings -- 37. Tissue characterization by ultrasound -- 38. Retinoblastoma conservative treatment: ultrasonographic follow-up -- 39. Ultrasonographic findings in selected cases of masquerading syndrome -- 40. Choroidal melanomas — correlations between A- and B-scan ultrasonography, nuclear magnetic resonance imaging and histopathology -- 41. Doppler ultrasonography in the follow-up of malignant melanoma of the choroid -- 42. Possibilities and limitations of ultrasonographical localization of ruthenium-106-radioactive plaques during treatment -- 43. Tumour volume calculations by ultrasonographical data in the evaluation of regression patterns in ruthenium-treated melanomas -- 44. Echographic patterns simulating extrascleral extension of malignant melanoma following plaque removal -- 45. Intraoperative use of ultrasound to document proper plaque placement in treating choroidal melanoma -- 46. Acoustospectography and histology of intraocular Greene’s melanoma -- Five. Other Ocular Pathology -- 47. A-mode combined with B-mode ultrasonic equipment (Ophthascan S) in ocular and orbital diagnosis -- 48. Echo-ophthalmography in children -- 49. Radio frequency echographical study of pseudophakodonesis -- 50. Uveal effusion and nanophthalmos -- 51. ‘Monstrous’ deformations (myopic staphyloma) detected by ultrasound -- 52. Echographic findings in malignant glaucoma -- 53. Ultrasound findings in brawny scleritis -- 54. Echographic findings in lymphoid hyperplasia of the choroid -- 55. Diffuse lymphoid infiltration Of the uvea and periocular tissues -- Six. Physics and Techniques -- 56. In vivo determination of sound velocity in eye media -- 57. Two and three dimensional image processings applied to ophthalmic region -- 58. Three dimensional scan using a single transducer and image construction -- 59. Three dimensional display of ocular region using an array transducer -- 60. The development and clinical application of the digital quantitative color scan- converter connected with the ophthalmic contact ultrasonographic apparatus -- 61. Analysis of fundus blood dynamics by the ultrasonic Doppler method in blocking therapy for the stellar ganglions of the cervical sympathetic nerve -- 62. Computerized analysis of echo signals: multicentric experience -- 63. RGB output: our experience -- Authors index.