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Comparative analysis of radionuclide and radiographic dacryocystography in the study of obrstructions in lacrimal apparatus drainage
Puni tekst: engleski, pdf (2 MB)
Topuzović, N., Balog, Z., Balog, S., Rusić, A., Karner, I. (1998). Comparative analysis of radionuclide and radiographic dacryocystography in the study of obrstructions in lacrimal apparatus drainage. Medicinski vjesnik, 30((1-2)), 49-53. Preuzeto s https://hrcak.srce.hr/192088
Puni tekst: hrvatski, pdf (2 MB)
Topuzović, N., Balog, Z., Balog, S., Rusić, A., Karner, I. (1998). Komparativna analiza radionuklidne i radiografske dakriocistografije u ispitivanju poremećaja u prohodnosti suznih uređaja. Medicinski vjesnik, 30((1-2)), 49-53. Preuzeto s https://hrcak.srce.hr/192088
Aim: The aim of this study was to evaluate the role of radionuclide dacryocystography (RNDC) in patients with an obstruction in the lacrimal apparatus and to compare it to radiographic dacryocystography.
Material and methods: 30 patients (23 women, 7 men, age range 5-80 years) were examined by RNDC and contrast x-ray dacryocystography (XDCG). RNDC was performed with Tc- 99m instilled into each eye in form of drops. Sequential images were obtained every 5 minutes for 25 minutes, using Siemens ZLC large field of view gamma camera, zoom 3, with patients in the sitting position.
Results: In the series of 60 dacryoscintigrams, 30 findings were considered normal, with the drainage of the activity medium through the nasolacrimal duct into the nasal cavity occurring within 20 minutes. Lacrimal apparatus obstruction was observed in 30 cases, in 21 of whom a complete block of drainage was established, whereas in 9 cases there was a physiological delay in the drainage. The agreement between RNDC and XDCG findings was found in 23 cases (76%) of normal lacrimal systems, but only in 13 cases (43%) of the total block in drainage. XDCG could not distinguish the physiological delay in drainage so that for 4 lacrimal apparatus without pathological substrate the findings were false positive. On the contrary, RNDC was able to recognize obstruction without false positive findings.
Conclusion: RNDC is a fast and safe method, simple to perform, highly physiological, reliable in depicting the site of block in the lacrimal drainage apparatus.
lacrimal apparatus obstructions; radionuclide and radiographic dacryocystography
Hrčak ID: 192088
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