Ergebnisse erweiterter Tiefenbildgebung und optischer Kohärenztomographie mit Swept-Source-Technologie bei choroidalem Osteom: Falldarstellung

Translated title of the contribution: Enhanced depth imaging and swept-source optical coherence tomography findings in choroidal osteoma: a case report

Peter Balsnæs, Dorottya Szabo, A. Takács, Andras Papp, Zoltan Zsolt Nagy, Miklos Schneider

Research output: Contribution to journalArticle

Abstract

Purpose: The aim of this study was to report the findings from enhanced depth imaging (EDI) and swept-source optical coherence tomography (OCT) in a choroidal osteoma. Methods: A case study of a patient with choroidal osteoma is presented and discussed. Results: A 25-year-old woman presented with an asymptomatic peripapillary mass. Fundus examination revealed a yellow–orange, well-defined geographical lesion. B‑scan ultrasonography, corroborated by fundus autofluorescence (FAF) and OCT findings, pointed to the diagnosis of choroidal osteoma. Calcified areas of the tumor were iso-autofluorescent on FAF and hyporeflective on OCT, revealing the morphological patterns of cancellous bone, including a sponge-like pattern and lines indicating lamellae, Haversian canals, and cement lines. Decalcified patches of the tumor were hypofluorescent on FAF and hyperreflective on OCT and showed overlying retinal damage—most prominently depigmentation and retinal pigment epithelium disruptions. A central area of the tumor revealed unusual characteristics; hyperreflectivity on OCT indicating decalcification but isofluorescence on FAF and sharing the same color as the rest of the retina on fundus photography. The area also differed from the other decalcified areas with its cumulus cloud-like appearance. Compared with EDI-OCT, SS-OCT images showed some increased definition of the bony features of the tumor, especially in its deeper layers, as well as a mild reduction of the shadowing caused by overlying retinal vessels. Conclusion: The morphological features of a choroidal osteoma are demonstrated using EDI- and SS-OCT. Calcified and decalcified areas of the tumor were differentiated, as well as another area showing unexpected characteristics. In our case, SS-OCT imaging revealed very similar features to EDI-OCT.

Original languageGerman
Pages (from-to)84-88
Number of pages5
JournalSpektrum der Augenheilkunde
Volume33
Issue number4
DOIs
Publication statusPublished - Aug 1 2019

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Osteoma
Optical Coherence Tomography
Neoplasms
Haversian System
Retinal Vessels
Retinal Pigment Epithelium
Photography
Retina
Ultrasonography
Color

Keywords

  • Choroid neoplasms
  • Enhanced depth imaging
  • Optical coherence tomography
  • Osteoma
  • Swept-source

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Ergebnisse erweiterter Tiefenbildgebung und optischer Kohärenztomographie mit Swept-Source-Technologie bei choroidalem Osteom : Falldarstellung. / Balsnæs, Peter; Szabo, Dorottya; Takács, A.; Papp, Andras; Nagy, Zoltan Zsolt; Schneider, Miklos.

In: Spektrum der Augenheilkunde, Vol. 33, No. 4, 01.08.2019, p. 84-88.

Research output: Contribution to journalArticle

Balsnæs, Peter ; Szabo, Dorottya ; Takács, A. ; Papp, Andras ; Nagy, Zoltan Zsolt ; Schneider, Miklos. / Ergebnisse erweiterter Tiefenbildgebung und optischer Kohärenztomographie mit Swept-Source-Technologie bei choroidalem Osteom : Falldarstellung. In: Spektrum der Augenheilkunde. 2019 ; Vol. 33, No. 4. pp. 84-88.
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abstract = "Purpose: The aim of this study was to report the findings from enhanced depth imaging (EDI) and swept-source optical coherence tomography (OCT) in a choroidal osteoma. Methods: A case study of a patient with choroidal osteoma is presented and discussed. Results: A 25-year-old woman presented with an asymptomatic peripapillary mass. Fundus examination revealed a yellow–orange, well-defined geographical lesion. B‑scan ultrasonography, corroborated by fundus autofluorescence (FAF) and OCT findings, pointed to the diagnosis of choroidal osteoma. Calcified areas of the tumor were iso-autofluorescent on FAF and hyporeflective on OCT, revealing the morphological patterns of cancellous bone, including a sponge-like pattern and lines indicating lamellae, Haversian canals, and cement lines. Decalcified patches of the tumor were hypofluorescent on FAF and hyperreflective on OCT and showed overlying retinal damage—most prominently depigmentation and retinal pigment epithelium disruptions. A central area of the tumor revealed unusual characteristics; hyperreflectivity on OCT indicating decalcification but isofluorescence on FAF and sharing the same color as the rest of the retina on fundus photography. The area also differed from the other decalcified areas with its cumulus cloud-like appearance. Compared with EDI-OCT, SS-OCT images showed some increased definition of the bony features of the tumor, especially in its deeper layers, as well as a mild reduction of the shadowing caused by overlying retinal vessels. Conclusion: The morphological features of a choroidal osteoma are demonstrated using EDI- and SS-OCT. Calcified and decalcified areas of the tumor were differentiated, as well as another area showing unexpected characteristics. In our case, SS-OCT imaging revealed very similar features to EDI-OCT.",
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