The differential diagnosis of retinoblastoma would include all except.
1. Persistent hyperplastic primary vitreous
2. Coat's disease.
3 Retinal astro cytoma
4. Retinal detachment
Ans 4
[ref CPDT page 813 ed 15th] . "leucoria is the most common sign(60%) in retinoblastoma, D/d of leucoria includes Toxocara canis granuloma, astrocytic hamartoma, retinopathy of prematurity, coats disease, retinopathy of prematurity, persistant hyperplastic primary vitreous."
Also rarely in 7 % patients painful red eye with glaucoma, hyphema, or proptosis is the initial manifestation.
Imp about retinoblastoma : Biopsy not needed for diagnosis: characterstic features on ophthalmologic examination are intraocular calcification and vitreous seeding. Retinoblastoma can undergo spontaneous remission (Q) Also read question in past papers on aippg.com about treatment of retinoblastoma.
Reference # 2 kanski 5th ed.page 339 and 340 table
1. Persistent hyperplastic primary vitreous
2. Coat's disease.
3 Retinal astro cytoma
4. Retinal detachment
Ans 4
[ref CPDT page 813 ed 15th] . "leucoria is the most common sign(60%) in retinoblastoma, D/d of leucoria includes Toxocara canis granuloma, astrocytic hamartoma, retinopathy of prematurity, coats disease, retinopathy of prematurity, persistant hyperplastic primary vitreous."
Also rarely in 7 % patients painful red eye with glaucoma, hyphema, or proptosis is the initial manifestation.
Imp about retinoblastoma : Biopsy not needed for diagnosis: characterstic features on ophthalmologic examination are intraocular calcification and vitreous seeding. Retinoblastoma can undergo spontaneous remission (Q) Also read question in past papers on aippg.com about treatment of retinoblastoma.
Reference # 2 kanski 5th ed.page 339 and 340 table
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