Observation of angiographic dye leakage in ocular surface squamous neoplasia
The clinical diagnosis of ocular surface squamous neoplasia is challenging, mostly requiring excisional biopsy. Human tumor angiogenesis is characterized by abnormal vessel architecture and transvascular hyperpermeability. This case report describes features of fluorescein and indocyanine green angi...
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| Published in: | American journal of ophthalmology case reports Vol. 20; p. 100912 |
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| Language: | English |
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01.12.2020
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| Abstract | The clinical diagnosis of ocular surface squamous neoplasia is challenging, mostly requiring excisional biopsy. Human tumor angiogenesis is characterized by abnormal vessel architecture and transvascular hyperpermeability. This case report describes features of fluorescein and indocyanine green angiography in a case of conjunctival intraepithelial neoplasia.
Color photography, optical coherence tomography, fluorescein and indocyanine green angiography were performed in a patient with suspected conjunctival intraepithelial neoplasia before excisional biopsy and histologic confirmation of clinical diagnosis. Fluorescein dye showed extensive early extravascular dye leakage within the limits of the lesion. Indocyanine green dye displayed corneal terminal vessel bulbs with early leakage after 70 seconds and showed diffuse intralesional dye leakage after 7 minutes.
Increased fluorescein and early indocyanine green dye leakage can be used to confirm active angiogenesis already in early stages of dysplastic ocular surface squamous neoplasia. Late leakage of indocyanine green dye may be due to chronic transvascular hyperpermeability within intrinsic tumor vessels. The leakage behaviour of intravenous dyes has the potential to serve as a diagnostic indicator of active growth in dysplastic ocular surface neoplastic lesions.
•Ocular surface neoplasia allows a uniquely direct view at tumor angiogenesis.•Vascular hyperpermeability is a hallmark in malignant tumor tissues.•Angiography dye leakage may aid in the diagnosis of malignant lesions. |
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| AbstractList | The clinical diagnosis of ocular surface squamous neoplasia is challenging, mostly requiring excisional biopsy. Human tumor angiogenesis is characterized by abnormal vessel architecture and transvascular hyperpermeability. This case report describes features of fluorescein and indocyanine green angiography in a case of conjunctival intraepithelial neoplasia.
Color photography, optical coherence tomography, fluorescein and indocyanine green angiography were performed in a patient with suspected conjunctival intraepithelial neoplasia before excisional biopsy and histologic confirmation of clinical diagnosis. Fluorescein dye showed extensive early extravascular dye leakage within the limits of the lesion. Indocyanine green dye displayed corneal terminal vessel bulbs with early leakage after 70 seconds and showed diffuse intralesional dye leakage after 7 minutes.
Increased fluorescein and early indocyanine green dye leakage can be used to confirm active angiogenesis already in early stages of dysplastic ocular surface squamous neoplasia. Late leakage of indocyanine green dye may be due to chronic transvascular hyperpermeability within intrinsic tumor vessels. The leakage behaviour of intravenous dyes has the potential to serve as a diagnostic indicator of active growth in dysplastic ocular surface neoplastic lesions.
•Ocular surface neoplasia allows a uniquely direct view at tumor angiogenesis.•Vascular hyperpermeability is a hallmark in malignant tumor tissues.•Angiography dye leakage may aid in the diagnosis of malignant lesions. Purpose: The clinical diagnosis of ocular surface squamous neoplasia is challenging, mostly requiring excisional biopsy. Human tumor angiogenesis is characterized by abnormal vessel architecture and transvascular hyperpermeability. This case report describes features of fluorescein and indocyanine green angiography in a case of conjunctival intraepithelial neoplasia. Observations: Color photography, optical coherence tomography, fluorescein and indocyanine green angiography were performed in a patient with suspected conjunctival intraepithelial neoplasia before excisional biopsy and histologic confirmation of clinical diagnosis. Fluorescein dye showed extensive early extravascular dye leakage within the limits of the lesion. Indocyanine green dye displayed corneal terminal vessel bulbs with early leakage after 70 seconds and showed diffuse intralesional dye leakage after 7 minutes. Conclusions: Increased fluorescein and early indocyanine green dye leakage can be used to confirm active angiogenesis already in early stages of dysplastic ocular surface squamous neoplasia. Late leakage of indocyanine green dye may be due to chronic transvascular hyperpermeability within intrinsic tumor vessels. The leakage behaviour of intravenous dyes has the potential to serve as a diagnostic indicator of active growth in dysplastic ocular surface neoplastic lesions. The clinical diagnosis of ocular surface squamous neoplasia is challenging, mostly requiring excisional biopsy. Human tumor angiogenesis is characterized by abnormal vessel architecture and transvascular hyperpermeability. This case report describes features of fluorescein and indocyanine green angiography in a case of conjunctival intraepithelial neoplasia.PURPOSEThe clinical diagnosis of ocular surface squamous neoplasia is challenging, mostly requiring excisional biopsy. Human tumor angiogenesis is characterized by abnormal vessel architecture and transvascular hyperpermeability. This case report describes features of fluorescein and indocyanine green angiography in a case of conjunctival intraepithelial neoplasia.Color photography, optical coherence tomography, fluorescein and indocyanine green angiography were performed in a patient with suspected conjunctival intraepithelial neoplasia before excisional biopsy and histologic confirmation of clinical diagnosis. Fluorescein dye showed extensive early extravascular dye leakage within the limits of the lesion. Indocyanine green dye displayed corneal terminal vessel bulbs with early leakage after 70 seconds and showed diffuse intralesional dye leakage after 7 minutes.OBSERVATIONSColor photography, optical coherence tomography, fluorescein and indocyanine green angiography were performed in a patient with suspected conjunctival intraepithelial neoplasia before excisional biopsy and histologic confirmation of clinical diagnosis. Fluorescein dye showed extensive early extravascular dye leakage within the limits of the lesion. Indocyanine green dye displayed corneal terminal vessel bulbs with early leakage after 70 seconds and showed diffuse intralesional dye leakage after 7 minutes.Increased fluorescein and early indocyanine green dye leakage can be used to confirm active angiogenesis already in early stages of dysplastic ocular surface squamous neoplasia. Late leakage of indocyanine green dye may be due to chronic transvascular hyperpermeability within intrinsic tumor vessels. The leakage behaviour of intravenous dyes has the potential to serve as a diagnostic indicator of active growth in dysplastic ocular surface neoplastic lesions.CONCLUSIONSIncreased fluorescein and early indocyanine green dye leakage can be used to confirm active angiogenesis already in early stages of dysplastic ocular surface squamous neoplasia. Late leakage of indocyanine green dye may be due to chronic transvascular hyperpermeability within intrinsic tumor vessels. The leakage behaviour of intravenous dyes has the potential to serve as a diagnostic indicator of active growth in dysplastic ocular surface neoplastic lesions. • Ocular surface neoplasia allows a uniquely direct view at tumor angiogenesis. • Vascular hyperpermeability is a hallmark in malignant tumor tissues. • Angiography dye leakage may aid in the diagnosis of malignant lesions. The clinical diagnosis of ocular surface squamous neoplasia is challenging, mostly requiring excisional biopsy. Human tumor angiogenesis is characterized by abnormal vessel architecture and transvascular hyperpermeability. This case report describes features of fluorescein and indocyanine green angiography in a case of conjunctival intraepithelial neoplasia. Color photography, optical coherence tomography, fluorescein and indocyanine green angiography were performed in a patient with suspected conjunctival intraepithelial neoplasia before excisional biopsy and histologic confirmation of clinical diagnosis. Fluorescein dye showed extensive early extravascular dye leakage within the limits of the lesion. Indocyanine green dye displayed corneal terminal vessel bulbs with early leakage after 70 seconds and showed diffuse intralesional dye leakage after 7 minutes. Increased fluorescein and early indocyanine green dye leakage can be used to confirm active angiogenesis already in early stages of dysplastic ocular surface squamous neoplasia. Late leakage of indocyanine green dye may be due to chronic transvascular hyperpermeability within intrinsic tumor vessels. The leakage behaviour of intravenous dyes has the potential to serve as a diagnostic indicator of active growth in dysplastic ocular surface neoplastic lesions. |
| ArticleNumber | 100912 |
| Author | Haas, Gertrud Steger, Bernhard Palme, Christoph Wanner, Astrid Romano, Vito Kaye, Stephen |
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| Cites_doi | 10.1080/02713683.2017.1387273 10.1016/j.ajo.2016.09.034 10.1038/nm0603-713 10.1016/j.ophtha.2012.03.045 10.1054/bjoc.2001.1809 10.1080/09273948.2016.1247873 10.1167/iovs.11-8014 10.1001/archophthalmol.2011.385 10.1097/ICO.0b013e31815b9402 10.1007/s10456-008-9099-z 10.1007/s00417-014-2860-7 10.2147/DDDT.S191161 10.1167/tvst.7.5.15 |
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| Keywords | Indocyanine green angiography Leakage Conjunctival intraepithelial neoplasia Ocular surface neoplasia |
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| SubjectTerms | Case Report Conjunctival intraepithelial neoplasia Indocyanine green angiography Leakage Ocular surface neoplasia |
| Title | Observation of angiographic dye leakage in ocular surface squamous neoplasia |
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