Full-width postlaminar optic nerve tumor invasion of retinoblastoma as risk-factor for leptomeningeal spread of retinoblastoma. A case report and review of the literature.
We present a 6-year-old boy with unilateral retinoblastoma of the left eye. MRI showed an intraocular tumor that extended into the optic nerve beyond the lamina cribrosa. The affected eye was enucleated and the optic nerve resection margin proved to be free. Following protocol, this patient received six courses of adjuvant systemic chemotherapy. Unfortunately, after 5 months this patient returned with the leptomeningeal spread of the tumor and died quickly thereafter.Histopathologic analysis of the enucleated eye and distal optic nerve revealed that the postlaminar tumor cells occupied the entire width of the optic nerve, extending all the way up to the pia mater, whereas, more often the tumor invasion is restricted to the center of the optic nerve. This was also visible on the MR images where contrast enhancement occupied the entire nerve width. A resection margin with tumor cells is recognized as a risk factor for metastasis, but perhaps the proximity of tumor cells to the leptomeninges should also be judged with caution as a potential increased risk for metastatic spread. PMID: 32072844 [PubMed - as supplied by publisher]
ConclusionDespite the good tolerance, palbociclib monotherapy did not show favorable efficacy against recurrent AO.Trial RegistrationThis study is registered with ClinicalTrials.gov, identifier NCT0253032 (retrospectively registered on 21 August 2015).
Conclusions: Recent advanced treatment modalities have improved the probability of globe salvage. However, enucleation remains an important life-saving intervention in many advanced cases. PMID: 33005446 [PubMed]
Conclusion: Persistent RD occurs in eyes with advanced RB stages with complex RD with more than one component. The dilemma is performing a vitrectomy in eyes with cancer and poor visual outcome. PMID: 33005444 [PubMed]
Optic nerve (ON) invasion is an important high-risk feature, and an indicator for neoadjuvant chemotherapy and prognosis. We aim through this study to correlate the detected-ON invasion by Magnetic resonance i...
Condition: Retinoblastoma Interventions: Drug: Nitroglycerin; Drug: Normal saline Sponsor: Seoul National University Hospital Not yet recruiting
We report a case of retinal atrophy and progressive preretinal fibrosis in an eye previously treated with intravenous and intra-arterial chemotherapy (IAC), which evolved immediately after treatment with intravitreal injection of melphalan. The atrophy and fibrosis progressed later to proliferative retinopathy with dystrophic ossification. The patient was originally diagnosed with bilateral retinoblastoma at 4 months of age and was treated with systemic chemotherapy followed by IAC. New vitreous seeds developed and required treatment with intravitreal chemotherapy. There was resolution of vitreous seeding after 2 doses of ...
Conclusion: Retinal cavernous hemangioma can be associated with intralesional calcification (phleboliths).
Conclusion: Hand-held OCT was critical in assessment of Rb after failed intravenous chemotherapy and intraarterial chemotherapy and later documenting regression after plaque radiotherapy. Hand-held OCT is vital in providing cross-sectional imaging and measurements of small macular and paramacular Rbs.