September 2016
Volume 57, Issue 12
Open Access
ARVO Annual Meeting Abstract  |   September 2016
Acute Vaso-occlusion and Chorioretinal Toxicity following Intravitreal Melphalan Injection
Author Affiliations & Notes
  • Hassan A Aziz
    Ophthalmology and Visual Sciences, USC Eye Institute, Miami, Florida, United States
  • Jesse L Berry
    Ophthalmology and Visual Sciences, USC Eye Institute, Miami, Florida, United States
  • Jonathan W Kim
    Ophthalmology and Visual Sciences, USC Eye Institute, Miami, Florida, United States
  • Footnotes
    Commercial Relationships   Hassan Aziz, None; Jesse Berry, None; Jonathan Kim, None
  • Footnotes
    Support  NOne
Investigative Ophthalmology & Visual Science September 2016, Vol.57, 3686. doi:
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    • Get Citation

      Hassan A Aziz, Jesse L Berry, Jonathan W Kim; Acute Vaso-occlusion and Chorioretinal Toxicity following Intravitreal Melphalan Injection. Invest. Ophthalmol. Vis. Sci. 2016;57(12):3686.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : To report two cases of acute toxicity resulting in diffuse chorioretinal atrophy following intravitreal melphalan injection for retinoblastoma.

Methods : Interventional case study

Results : Two patients with retinoblastoma underwent intravitreal melphalan injections as treatment for active vitreous seeding. Patient 1 is a 6-month-old female with bilateral retinoblastoma (Group D in the right and B in the left eye) treated with four cycles of systemic chemotherapy and two intravitreal melphalan injections in each eye. Patient 2 is a 10-month-old male with unilateral Group D retinoblastoma treated with six cycles of systemic chemotherapy and two injections of intravitreal melphalan. Both patients tolerated the initial injection well, and with the second had no apparent intraoperative or immediate postoperative complications. At 1-week follow-up, both patients showed evidence of diffuse chorioretinal toxicity . At the follow-up (14 months and 3 months for patients 1 and 2 respectively), total tumor control with resolution of vitreous seeding was achieved in both patients. Electroretinogram readings from the affected eye were unrecordable in both patients.

Conclusions : While intravitreal melphalan injection is effective for vitreous seeding, toxicity causing acute and diffuse chorioretinal atrophy is a possible and significant complication of this relatively new treatment modality. While not fully understood, an abnormal hyaloidal interface may play a role in the development of this toxicity.

This is an abstract that was submitted for the 2016 ARVO Annual Meeting, held in Seattle, Wash., May 1-5, 2016.

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