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Related Concept Videos

The Retinoblastoma Gene01:20

The Retinoblastoma Gene

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Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
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Reconstruct Human Retinoblastoma In Vitro
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Diffuse anterior retinoblastoma: current concepts.

Jing Yang1, Yalong Dang1, Yu Zhu2

  • 1Department of Ophthalmology, The First Affiliated Hospital, Zhengzhou University, Zhengzhou City, Henan Province, People's Republic of China ; Department of Ophthalmology, Peking University Third Hospital, Beijing, People's Republic of China ; Clinical Stem Cell Research Center, Peking University Third Hospital, Beijing, People's Republic of China.

Oncotargets and Therapy
|August 1, 2015
PubMed
Summary
This summary is machine-generated.

Diffuse anterior retinoblastoma, a rare cancer variant, affects older children and mimics inflammation, often leading to misdiagnosis. Early detection and tailored treatments like enucleation and chemotherapy are crucial for managing this condition.

Keywords:
diagnosismicroenvironmentpathologytreatment

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Area of Science:

  • Ophthalmology
  • Pediatric Oncology
  • Cancer Biology

Background:

  • Diffuse anterior retinoblastoma (DAR) is a rare form of retinoblastoma.
  • It presents in the anterior chamber and vitreous base, typically in older children (mean age 6.1 years).
  • Cone precursor cells are hypothesized as the origin of DAR.

Purpose of the Study:

  • To review recent advances in the understanding of diffuse anterior retinoblastoma.
  • To cover etiology, pathology, diagnosis, differential diagnosis, and treatment options.
  • To discuss challenges in early diagnosis and future prospects.

Main Methods:

  • Literature review of published cases and research on diffuse anterior retinoblastoma.
  • Synthesis of information regarding clinical presentation, diagnostic methods, and therapeutic strategies.
  • Analysis of diagnostic challenges and potential for metastasis.

Main Results:

  • Patients often present with pseudouveitis, pseudohypopyon, and elevated intraocular pressure.
  • Fundus examination may appear normal, complicating diagnosis.
  • Fine-needle aspiration biopsy, used for diagnosis, carries a risk of metastasis.

Conclusions:

  • Diffuse anterior retinoblastoma is frequently misdiagnosed due to its resemblance to inflammatory conditions.
  • Enucleation followed by systemic chemotherapy is the primary treatment approach.
  • Improved diagnostic strategies and timely intervention are essential for better outcomes.