Dacryoscintigraphy

Source: Wikipedia, the free encyclopedia.
Dacryoscintigraphy
Synonymsmicroscintigraphy
nuclear dacryocystogram
nuclear lacrimal scan
lacrimal scintillography
ICD-10-PCSC8191ZZ
LOINC39670-5

Dacryoscintigraphy (DSG), also known as lacrimal scintigraphy, is a

.

Procedure

The typical procedure involves use of

millilitre (ml). Patients place their head in a support and chin rest and a single drop of 0.01 ml is delivered to each eye. Imaging with a gamma camera commences immediately, with a number of images acquired over 15 minutes.[1][2]

Clinical applications

Typical indications include epiphora and dacryocystitis.[3]

DSG allows

post-operative progress.[7][8]

Advantages of DSG over

dacrocystography include better functional information and a lack of injection.[9] DSG does not provide precise localisation and may not be useful in cases of complete obstruction.[10]

History

The technique was first introduced in 1972.[11]

References

  1. ^ "Lacrimal Scintigraphy v2" (PDF). BNMS. June 2018. Retrieved 25 August 2021.
  2. S2CID 230665389
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