Ultrasonography in Ophthalmology 12: Proceedings of the 12th SIDUO Congress, Iguazú Falls, Argentina, 1988

Front Matter....Pages i-x
Front Matter....Pages 1-1
Ultrasonically-guided biopsy in orbital tumors....Pages 3-14
Echodriven fine needle aspiration biopsy in orbital tumor diagnosis....Pages 15-25
Echography assisted fine needle aspiration biopsy for diagnosing orbital pseudotumor and lymphoma....Pages 27-36
Ultrasound diagnosis of orbital histiocytofibromas....Pages 37-41
Orbital myxoma: ultrasonographic diagnosis....Pages 43-48
Pre-operative and post-operative echographic results on patients undergoing optic nerve sheath decompression....Pages 49-53
Evaluation of the subarachnoidal space—comparisons between ultrasound and high resolution NMR-techniques....Pages 55-62
Lesions of the lacrimal fossa: a retrospective echographic study....Pages 63-78
Ultrasound diagnosis of orbital schwannomas....Pages 79-84
Front Matter....Pages 85-85
Automatic measurement technique of the axial length using a new type of B-mode ultrasonography....Pages 87-95
Transducer performance parameters and their influence on biometric results....Pages 97-105
Clinical usefulness of linking biometry systems to personal computers....Pages 107-115
Continuous biometry of the crystalline lens during accommodation....Pages 117-123
Biometric investigation of the effect of gravity on the crystalline lens during accommodation....Pages 125-129
In vivo determination of the speed of ultrasound in cataracted lenses....Pages 131-134
Biometry and characterization of the lens....Pages 135-140
Formulas and results of intraocular lens implantation....Pages 141-143
Axial length measurements and IOL power calculations in microphthalmic eyes....Pages 145-148
Ultrasound diagnosis of unilateral axial myopia....Pages 149-153
Biometry of retina choroid layer....Pages 155-164
Front Matter....Pages 85-85
Eye size of the premature infant around presumed term....Pages 165-172
Choroidal nevi: diagnosis with standardized echography....Pages 173-180
Echometry in congenital glaucoma: long-term results after 10 to 17 years of surgery....Pages 181-191
Long-term biooculometry of developmental glaucoma....Pages 193-198
Relation between axial length and refraction in eyes with congenital glaucoma....Pages 199-204
Biometric study of eyes with angle closure glaucoma....Pages 205-208
Front Matter....Pages 209-209
Correlation between echography, vitreous surgery findings and follow-up....Pages 211-216
Power spectrum analysis of ultrasonic radio-frequency signals in vitreous diseases....Pages 217-223
Vitreous membranes: update echographical diagnosis....Pages 225-231
Reliability of standardized ultrasound in pre-operative diagnosis for vitreous surgery in diabetic patients....Pages 233-237
Ultrasound imaging in retinopathy of prematurity: retinal detachment in ROP stage 5 eyes and eye size as prognostic indicator....Pages 239-248
Gas retinal detachment treatment and echography....Pages 249-255
Echographically driven extraction of foreign bodies....Pages 257-260
A case with a macular granuloma seropositive for Toxocara canis examined with standardized echography....Pages 261-265
Front Matter....Pages 267-267
Ultrasonography in intraocular tumours....Pages 269-279
Morphological parameters of intraocular tumours taking part in ecographical tracings....Pages 281-292
Tissue characterization by ultrasound....Pages 293-304
Retinoblastoma conservative treatment: ultrasonographic follow-up....Pages 305-311
Ultrasonographic findings in selected cases of masquerading syndrome....Pages 313-319
Choroidal melanomas—correlations between A- and B-scan ultrasonography, nuclear magnetic resonance imaging and histopathology....Pages 321-326
Front Matter....Pages 267-267
Doppler ultrasonography in the follow-up of malignant melanoma of the choroid....Pages 327-331
Possibilities and limitations of ultrasonographical localisation of ruthenium- 106-radioactive plaques during treatment....Pages 333-337
Tumor volume calculations by ultrasonographical data in the evaluation of regression patterns in ruthenium-treated melanomas....Pages 339-343
Echographic patterns simulating extrascleral extension of malignant melanoma following plaque removal....Pages 345-349
Intraoperative use of ultrasound to document proper plaque placement in treating choroidal melanoma....Pages 351-355
Acoustospectrography and histology of intraocular Greene’s melanoma....Pages 357-363
Front Matter....Pages 365-365
A-mode combined with B-mode ultrasonic equipment (Ophthascan S) in ocular and orbital diagnosis....Pages 367-378
Echo-ophthalmography in children....Pages 379-385
Radio frequency echographical study of pseudophakodonesis....Pages 387-392
Uveal effusion and nanophthalmos....Pages 393-400
‘Monstrous’ deformations (myopic staphyloma) detected by ultrasound....Pages 401-403
Echographic findings in malignant glaucoma....Pages 405-409
Ultrasound findings in brawny scleritis....Pages 411-417
Echographic findings in lymphoid hyperplasia of the choroid....Pages 419-425
Diffuse lymphoid infiltration of the uvea and periocular tissues....Pages 427-437
Front Matter....Pages 439-439
In vivo determination of sound velocity in eye media....Pages 441-447
Two and three dimensional image processings applied to ophthalmic region....Pages 449-453
Three dimensional scan using a single transducer and image construction....Pages 455-460
Three dimensional display of ocular region using an array transducer....Pages 461-466
The development and clinical application of the digital quantitative color scan-converter connected with the ophthalmic contact ultrasonographic apparatus....Pages 467-474
Front Matter....Pages 439-439
Analysis of fundus blood flow dynamics by the ultrasonic Doppler method in blocking therapy for the stellar ganglions of cervical sympathetic nerve....Pages 475-481
Computerized analysis of echo signals: multicentric experience....Pages 483-486
RGB output: our experience....Pages 487-489
Back Matter....Pages 493-494