Fibroblast radiosensitivity and intraocular fibrovascular proliferation following radiotherapy for bilateral retinoblastoma

Daniel Albert, David S. Walton, Ralph R. Weichselbaum, J. Robert Cassady, John B. Little, Donna Leombruno, Ramana Trantravahi, Carmen A. Puliafito

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A 5-day-old female patient was found to have large hereditary retinoblastomas in the posterior pole of each eye. The patient received radiation treatment over a 39-day period, with each retina receiving 4600 rad. Two weeks after the complete treatment the tumours had regressed to approximately one-quarter of their original size. By 14 weeks following completion ofradiotherapy the patient had developed in each eye extensive iris neovascularisation with progressive closure of the filtration angles, secondary glaucoma, and retinal detachments resulting from fibrovascular proliferation on the retinal surface. Radiosensitivity studies were from separate conjunctival biopsies obtained before and after radiation. These showed a Do (calculated survival curve parameters, defined in the Methods section) in the exponential growth phase of 110 prior to radiation and a postirradiation exponential growth phase D( of 70. Karotype studies showed several chromosomal abnormalities following radiotherapy. The clinical course and pathology findings are thought to represent an unusually severe orbital and ocular response to radiation therapy. These findings are consistent with our hypothesis that some patients with hereditary retinoblastoma may have a defect in the accumulation repair of x-irradiation induced DNA damage.

Original languageEnglish (US)
Pages (from-to)336-342
Number of pages7
JournalBritish Journal of Ophthalmology
Volume70
Issue number5
DOIs
StatePublished - Jan 1 1986
Externally publishedYes

Fingerprint

Retinoblastoma
Radiation Tolerance
Radiotherapy
Fibroblasts
Radiation
Clinical Pathology
Iris
Retinal Detachment
Growth
Chromosome Aberrations
Glaucoma
DNA Damage
Retina
Biopsy
Survival
Therapeutics
Neoplasms

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems
  • Cellular and Molecular Neuroscience

Cite this

Albert, D., Walton, D. S., Weichselbaum, R. R., Robert Cassady, J., Little, J. B., Leombruno, D., ... Puliafito, C. A. (1986). Fibroblast radiosensitivity and intraocular fibrovascular proliferation following radiotherapy for bilateral retinoblastoma. British Journal of Ophthalmology, 70(5), 336-342. https://doi.org/10.1136/bjo.70.5.336

Fibroblast radiosensitivity and intraocular fibrovascular proliferation following radiotherapy for bilateral retinoblastoma. / Albert, Daniel; Walton, David S.; Weichselbaum, Ralph R.; Robert Cassady, J.; Little, John B.; Leombruno, Donna; Trantravahi, Ramana; Puliafito, Carmen A.

In: British Journal of Ophthalmology, Vol. 70, No. 5, 01.01.1986, p. 336-342.

Research output: Contribution to journalArticle

Albert, D, Walton, DS, Weichselbaum, RR, Robert Cassady, J, Little, JB, Leombruno, D, Trantravahi, R & Puliafito, CA 1986, 'Fibroblast radiosensitivity and intraocular fibrovascular proliferation following radiotherapy for bilateral retinoblastoma', British Journal of Ophthalmology, vol. 70, no. 5, pp. 336-342. https://doi.org/10.1136/bjo.70.5.336
Albert, Daniel ; Walton, David S. ; Weichselbaum, Ralph R. ; Robert Cassady, J. ; Little, John B. ; Leombruno, Donna ; Trantravahi, Ramana ; Puliafito, Carmen A. / Fibroblast radiosensitivity and intraocular fibrovascular proliferation following radiotherapy for bilateral retinoblastoma. In: British Journal of Ophthalmology. 1986 ; Vol. 70, No. 5. pp. 336-342.
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