'Shadow sign' in congenital hypertrophy of the retinal pigment epithelium of young myopic pigmented patients

Melinda Y Chang, J. B. McBeath, C. A. McCannel, T. A. McCannel

Research output: Contribution to journalArticle

Abstract

PurposeCongenital hypertrophy of the retinal pigment epithelium (CHRPE) may simulate choroidal melanoma in certain cases. We report unique clinical features we have observed in cases of CHRPE in young myopic pigmented patients.MethodsPatients who were referred for evaluation of a suspicious choroidal lesion and found to have a CHRPE lesion with the clinical appearance of lesion elevation and a subretinal fluid-like 'shadow sign' were included. Patient and lesion characteristics were tabulated. Available images, including fundus photography, ultrasonography, optical coherence tomography (OCT), and fluorescein angiography (FA) were reviewed.ResultsSix patients were included. The 'shadow sign' was anterior to the CHRPE lesion in all cases. The mean age of the patients was 27.3 years. The ethnicities of the patients were Chinese (n=1), Hispanic (n=3), or African-American (n=2). Five of six patients were myopic.ConclusionsAlthough most CHRPE lesions appear flat on ophthalmoscopy, lesions in young myopic patients of pigmented ethnicities may appear elevated with a 'shadow sign' due to 'dark without pressure.' This new finding may be related to the vitreoretinal interface in young myopic pigmented patients and must be distinguished from true subretinal fluid and lesion thickness, which are often observed in choroidal melanoma.

Original languageEnglish (US)
Pages (from-to)160-163
Number of pages4
JournalEye (Basingstoke)
Volume30
Issue number1
DOIs
StatePublished - Jan 1 2016

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Retinal Pigment Epithelium
Hypertrophy
Subretinal Fluid
Melanoma
Ophthalmoscopy
Lesion
Pigments
Fluorescein Angiography
Photography
Optical Coherence Tomography
Hispanic Americans
African Americans
Ultrasonography
Pressure

ASJC Scopus subject areas

  • Ophthalmology
  • Arts and Humanities(all)

Cite this

'Shadow sign' in congenital hypertrophy of the retinal pigment epithelium of young myopic pigmented patients. / Chang, Melinda Y; McBeath, J. B.; McCannel, C. A.; McCannel, T. A.

In: Eye (Basingstoke), Vol. 30, No. 1, 01.01.2016, p. 160-163.

Research output: Contribution to journalArticle

Chang, Melinda Y ; McBeath, J. B. ; McCannel, C. A. ; McCannel, T. A. / 'Shadow sign' in congenital hypertrophy of the retinal pigment epithelium of young myopic pigmented patients. In: Eye (Basingstoke). 2016 ; Vol. 30, No. 1. pp. 160-163.
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