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 | Media file 1: Retinoblastoma, intraocular stage (leukocoria). History: NB, 1-year-old male from Quezon Province, Philippines, with chief complaint of opacity, left eye. Born full-term spontaneous vaginal delivery (FTSVD) to a 27-year-old gravida 3, para 2 (2002) at home. Four months prior to admission (PTA), opacity was noted in the left eye (no consultation/medications). Five days PTA, consultation with an ophthalmologist. Examination: (+) leukocoria with visual acuity of central, steady, and maintained fixation on right eye, (-) dazzle on left eye; (+) Marcus Gunn (MG) reflex. Diagnostics: Ocular ultrasound was performed, revealing intraocular retinoblastoma. Management: Patient underwent enucleation of left eye. Examination under anesthesia of right eye: E/N retina. Histopathology: Retinoblastoma, intraocular stage left eye. |
 | Media file 2: Retinoblastoma, glaucomatous stage. History: AB, 2-year-old female from Marikina City, Philippines, with chief complaint of proptosis, right eye. The patient is an adopted child. Prior to admission (PTA), with child aged 6 months (time of adoption), surrogate mother noted an opacity in the right eye. No medical consultation. One year PTA, physician consultation; told AB had an "eye mass" and needed to see an ophthalmologist. No compliance. One month PTA, proptosis was noted in the right eye. Examination: Visual acuity (VA) of right eye is no light perception; VA of left eye is central, steady, and maintained fixation. Sensorium: Awake but irritable. Diagnostics: Intracranial extension on CT scan. Skeletal survey: E/N. Management: The patient underwent exenteration (right side). |
 | Media file 3: Patient with retinoblastoma, glaucomatous stage. Intracranial extension on CT scan. |
 | Media file 4: Patient with retinoblastoma, glaucomatous stage. Another CT scan slice, showing the intracranial extension of the tumor. |
 | Media file 5: Retinoblastoma, extraocular stage (neglected with necrosis). History: RC, 2-year-old male with chief complaint of left orbital mass. Born full-term spontaneous vaginal delivery (FTSVD) to a gravida 3, para 2 (2001) at home. Three months prior to admission (PTA), an inward deviation of the left eye was noted. No consultation. Six months PTA, opacity in the left eye was noted. Five months PTA, proptosis of the left eye with pain and bleeding was noted. Family/Social History: Indigent family. Youngest of 3 siblings; eldest sibling had no retinoblastoma; second sibling had retinoblastoma and underwent enucleation, dying after 2 sessions of chemotherapy. A cousin passed away with retinoblastoma. Examination: Indirect ophthalmoscopy of right eye revealed a large intraocular mass occupying the inferior half of the retina. Mass on left side. Management: The patient was scheduled for exenteration, left side. The mother and child went home against medical advice; what happened to the patient is not known. |
 | Media file 6: Status post (S/P) enucleation for retinoblastoma, right eye retinoblastoma, recurrence, right eye. History: IJ, 3-year-old male with chief complaint of right orbital mass. At age 2 months, opacity in right eye is noted. Five months prior to admission (PTA), consultation with an ophthalmologist for proptosis, right eye. Four months PTA, the patient underwent enucleation, right eye, with no alleged tumor involvement of the tumor resection margins on histopathology. One month PTA, gradually enlarging orbital mass, right side, was noted. Examination: Visual acuity right eye, not applicable (S/P enucleation); visual acuity left eye, at least 6/12 (20/40). No masses are seen in left eye on indirect ophthalmoscopy. Diagnostics: Skeletal survey showed lytic lesions on the humerus, femur, and pubic bones. |
 | Media file 7: Retinoblastoma, intraocular stage (CT scan findings). History: 5-month-old female with chief complaint of "cat's eye reflex." Two months prior to admission (PTA), cat's eye reflex noted with outward deviation of left eye. The patient's 29-year-old mother had bilateral retinoblastoma and underwent enucleation, left eye, at age 2 years. Examination: Regressed type stage III, left eye visual acuity (+) dazzle right eye; indirect ophthalmoscopy (+) mass nasal retina with seeding, multiple tumors in peripheral retina, left eye. E/N Retina: Right eye. Management: The patient underwent enucleation, left eye. Examination under anesthesia of right eye: E/N. Histopathology: Retinoblastoma, intraocular stage, well-differentiated left eye. |
 | Media file 8: Classic histologic finding of retinoblastoma (Flexner-Wintersteiner rosettes) |
 | Media file 9: Flexner-Wintersteiner rosettes in retinoblastoma |
 | Media file 10: Presenting signs or symptoms in retinoblastoma. (This table is modified from Abramson DH, Frank CM, Susman M, et al. Presenting signs of retinoblastoma. J Pediatr 1998 Mar; 132(3 Pt 1): 505-8.) |
 | Media file 11: Reese-Ellsworth classification of retinoblastoma |
 | Media file 12: Classic regression patterns of retinoblastoma |
 | Media file 13: Genetic counseling for retinoblastoma. (This table is modified from Vogel F. Genetics of retinoblastoma. Hum Genet 1979; 52:1.) |
 | Media file 14: Vitreous seeding (intraocular retinoblastoma). Courtesy of Manolette Roque, MD, Ophthalmic Consultants Philippines Co, EYE REPUBLIC Ophthalmology Clinic. |
 | Media file 15: Reese-Ellsworth Stage V: vitreous seeding. Courtesy of Manolette Roque, MD, Ophthalmic Consultants Philippines Co, EYE REPUBLIC Ophthalmology Clinic. |
More on Retinoblastoma |
| Overview: Retinoblastoma |
| Differential Diagnoses & Workup: Retinoblastoma |
| Treatment & Medication: Retinoblastoma |
| Follow-up: Retinoblastoma |
 Multimedia: Retinoblastoma |
| References |
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Further Reading
Keywords
intraocular cancer, intraocular childhood malignancy, eye tumor, ocular tumor, ocular malignancy, RB gene, retinoblastoma gene, childhood cancer, eye cancer
