[On the origin of the cellular elements and on the mechanism of diffusion of blastomas of the retina].
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Paraganglioma of the sellar and latero-sellar area is extremely rare. We report a case of latero-sellar and suprasellar paraganglioma of a 58-year-old women which caused deterioration of visual acuity and left exophthalmia without endocrine dysfunction. Magnetic resonance imaging showed a large tumor in the sellar and parasellar area, which extended to the left cavernous sinus and infiltrated the left orbit, the ethmoid, the sphenoidal sinus and the left pterygomaxillary fossa. Surgery by transcranial, left frontotemporal approach, enabled subtotal removal. Definitive histologic examination revealed a paraganglioma with signs of anaplasis. We report our clinical findings and present a review of literature.
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This is a report of a case of retinoblastoma that mimicked Burkitt's lymphoma by presenting with a left proptosis and a right cheek mass. With the aid of fine-needle aspiration cytology, the diagnosis was established as retinoblasstoma and a left modified exenteration was performed. The patient had adjuvant chemotherapy and radiotherapy to the left orbit and the right maxilla with regression. At 12 months postoperatively, there was no evidence of recurrence, and the patient was still hale and hearty. In conclusion, this patient had left retinoblastoma with metastasis to the contralateral jaw. It is important to note that orbital Burkitt's lymphoma can be a differential diagnosis of retinoblastoma.
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New procedures of laser therapy and chemotherapy have extended the scope of application of organ-saving treatment at advanced stages of retinoblastoma in childhood, thus making it possible to preserve the eye fully functional or cosmetic. Not having to perform such mutilating procedures as ophthalmectomy or eye socket exenteration contributes to psychological and physical rehabilitation. At the same time, as a comparison of the results of surgery carried out at initial stages and surgery-free treatment showed that palliative therapy is characterized by impressive rates of 5-year survival. New vistas have opened of in the management of pediatric retinoblastoma, particularly in cases of stage III tumor and bilateral involvement.
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