Robert de Keizer
- Name
- Prof.dr. R.J.W. de Keizer
- Telephone
- 071 5262667
- r.j.w.de.keizer@umail.leidenuniv.nl
- ORCID iD
- null
- Faculteit Geneeskunde
- Divisie 3
- Oogheelkunde
- Brouwer, N.J.; Marinkovic, M.; Peters, F.P.; Hulshof, M.C.C.M.; Pieters, B.R.; Keizer, R.J.W. de; Horeweg, N.; Laman, M.S.; Bleeker, J.C.; Duinen, S.G. van; Jager, M.J.; Creutzberg, C.L. & Luyten, G.P.M. (2020), Management of conjunctival melanoma with local excision and adjuvant brachytherapy, Eye 35.
- Groot, V. de; Verhelst, E.; Hogendoorn, P.C.W. & Keizer, R.J.W. de (2019), Conjunctival Leiomyosarcoma, a Rare Neoplasm Always Originating at the Limbus? Report of a New Case and Review of 11 Published Cases, Ocular Oncology and Pathology 5(5): 333-339.
- Brouwer Niels J., Marinkovic Marina, Peters Femke P., Hulshof Maarten C., Pieters Bradley R., de Keizer Rob J. W., Horeweg Nanda, Laman Mirjam S., Bleeker Jaco C., van Duinen Sjoerd G., Jager Martine J., Creutzberg Carien L. & Luyten Gregorius P. M. (2018), Adjuvant brachytherapy with strontium-90 or ruthenium-106 in conjunctival melanoma, Investigative Ophthalmology & Visual Science 59(9).
- Lange, M.J. de; Razzaq, L.; Versluis, M.; Verlinde, S.; Dogrusoz, M.; Bohringer, S.; Marinkovic, M.; Luyten, G.P.M.; Keizer, R.J.W. de; Gruijl, F.R. de; Jager, M.J. & Velden, P.A. van der (2015), Distribution of GNAQ and GNA11 Mutation Signatures in Uveal Melanoma Points to a Light Dependent Mutation Mechanism, PLoS ONE 10(9).
- Lange, M.J. de; Razzaq, L.; Versluis, M.; Verlinde, S.; Dogrusoz, M.; Bohringer, S.; Marinkovic, M.; Luyten, G.P.M.; Keizer, R.J.W. de; Gruijl, F.R. de; Jager, M.J. & Velden, P.A. van der (2015), Distribution of GNAQ and GNA11 Mutation Signatures in Uveal Melanoma Points to a Light Dependent Mutation Mechanism, PLoS ONE 10(9).
- Dhubhghaill, S.N.; Os, L. van; Keizer, R.J.W. de; Taal, M.; Zakaria, N. & Tassignon, M.J. (2015), Intraocular lens exchange technique for an opacified bag-in-the-lens, Journal of Cataract and Refractive Surgery 41(5): 924-928.
- Os, L. van; Cnops, L.; Esbroeck, M. van; Dhubhghaill, S.N.; Keizer, R.J.W. de; Asselman, V. & Tassignon, M.J. (2015), Slowly Progressive Keratouveitis in a Patient with Known Systemic Leishmaniasis and HIV, Ocular Immunology and Inflammation 23(3): 248-251.
- Putu, M.A.J. van de; Haeseker, B.I.; Wolff-Rouendaal, D. de & Keizer, R.J.W. de (2014), Squamous cell carcinoma of the lacrimal caruncle: case reports, European Journal of Ophthalmology 24(3): 441-445.
- Razzaq, L.; Keunen, J.E.E.; Schalij-Delfos, N.E.; Creutzberg, C.L.; Ketelaars, M. & Keizer, R.J.W. de (2012), Ruthenium plaque radiation therapy for iris and iridociliary melanomas.
- Khan, S.; Finger, P.T.; Yu, G.P.; Razzaq, L.; Jager, M.J.; Keizer, R.J.W. de; Sandkull, P.; Seregard, S.; Gologorsky, D.; Schefler, A.C.; Murray, T.G.; Kivela, T.; Giuliari, G.P.; McGowan, H.; Simpson, E.R.; Corriveau, C.; Coupland, S.E. & Damato, B.E. (2012), Clinical and Pathologic Characteristics of Biopsy-Proven Iris Melanoma A Multicenter International Study, Archives of Ophthalmology -New Series- 130(1): 57-64.
- Khan, S.; Finger, P.T.; Yu, G.P.; Razzaq, L.; Jager, M.J.; Keizer, R.J.W. de; Sandkull, P.; Seregard, S.; Gologorsky, D.; Schefler, A.C.; Murray, T.G.; Kivela, T.; Giuliari, G.P.; McGowan, H.; Simpson, E.R.; Corriveau, C.; Coupland, S.E. & Damato, B.E. (2012), Angle Involvement and Glaucoma in Patients With Biopsy-Proven Iris Melanoma: A Response Reply, Archives of Ophthalmology -New Series- 130(9): 1230-1231.
- Razzaq, L.; Marinkovic, M.; Jager, M.J.; Bleeker, J.; Luyten, G.P.M. & Keizer, R.J.W. de (2012), Corneal endothelial cell density after ruthenium plaque radiation therapy for iris melanoma patients.
- Razzaq, L.; Semenova, E.A.; Marinkovic, M.; Keizer, R.J.W. de; Duinen, S.G. van & Luyten, G.P.M. (2011), Mesectodermal Suprauveal Iridociliary Leiomyoma: Transscleral Excision Without Postoperative Iris Defect, Archives of Ophthalmology -New Series- 129(12): 1635-1637.
- Razzaq, L.; Emmanouilidis-van der Spek, K.; Luyten, G.P.M. & Keizer, R.J.W. de (2011), Anterior segment imaging for iris melanocytic tumors., European Journal of Ophthalmology.
- Mensink, H.W.; Vaarwater, J.; Keizer, R.J.W. de; Wolff-Rouendaal, D. de; Mooy, C.M.; Klein, A. de & Paridaens, D. (2011), Chromosomal aberrations in iris melanomas, British Journal of Ophthalmology 95(3): 424-428.
- Razzaq L, Keunen JE, Schalij-Delfos NE, Creutzberg CL, Ketelaars M & de Keizer RJ (2010), Ruthenium plaque radiation therapy for iris and iridociliary melanomas, Acta Opthalmologica.
- Missotten, G.S.; Santbrink-Bakker, H. van & Keizer, R.J.W. de (2010), Dumbbell-shaped dermoid cysts.
- Missotten, G.S.; Gambrelle, J.; Wolff-Rouendaal, D. de & Keizer, R.J.W. de (2010), Epistaxis or epiphora as a sign for extension of a conjunctival melanoma. A series of six patients with nasolacrimal recurrence, British Journal of Ophthalmology 94(10): 1328-1331.
- Razzaq, L. & Keizer, R.J.W. de (2010), Ruthenium plaque radiation for iris and iridociliary melanomas: development of dry eyes?, British Journal of Opthalmology.
- Alons-ter Hoeven, J.; Keizer, R.J.W. de; Meij, A.G.L. van der & Merkesteyn, J.P.R. van (2010), Silent sinus syndrome secondary to a radix relicta in the antrum, Journal of Craniofacial Surgery.
- Keizer, R.J.W. de; Razzaq, L.; Tassignon, M.J. & Verbeek, A.M. (2010), Iris melanoma in a child treated with iridectomy and a phakic iris repair implant lens: a case report of 8 years postoperative follow-up, British Journal of Opthalmology.
- Wijnmaalen AL, van Zuuren EJ, de Keizer RJW & Jager MJ (2009), Cutaneous Allergy Testing in Patients Suspected of an Allergic Reaction to Eye Medication, Ophthalmic Research 41(4): 225-229.
- Keijser S, Kurreeman FAS, de Keizer RJW, Dogterom-Ballering H, van der Lelij A, Jager MJ & Nibbering PH (2009), IL-10 promotor haplotypes associated with susceptibility to and severity of bacterial corneal ulcers, Experimental Eye Research 88(6): 1124-1128.
- Keijser S, Jager MJ, Dogterom-Ballering HCM, Schoonderwoerd DT, de Keizer RJW, Krose CJM, Houwing-Duistermaat JJ, van der Plas MJA, van Dissel JT & Nibbering PH (2008), Lactoferrin Glu561Asp polymorphism is associated with susceptibility to herpes simplex keratitis, Experimental Eye Research 86(1).
- Maat W, Missotten GS, Luyten GPM & de Keizer RJW (2008), Retained intraocular foreign body masquerading as malignant melanoma of the iris, Graefe's Archive for Clinical and Experimental Ophthalmology 246(4).
- Missotten GS, De Wolff-Rouendaal D & De Keizer RJW (2008), Merkel cell carcinoma of the eyelid - Review of the literature and report of patients with Merkel cell carcinoma showing spontaneous regression, Ophthalmology: Journal of The American Academy of Ophthalmology 115(1).
- Keijser S, Missotten GS, De Wolff-Rouendaal D, Verbeke SLJ, Van Luijk CM, Veselic-Charvat M & De Keizer RJW (2007), Impression cytology of melanocytic conjunctival tumors using the Biopore membrane, European Journal of Ophthalmology 17(4).
- Dekkers OM, de Keizer RJW, Roelfsema F, van der Klaauw AA, Honkoop PJ, Van Dulken H, Smit JWA, Romijn JA & Pereira AM (2007), Progressive improvement of impaired visual acuity during the first year after transsphenoidal surgery for non-functioning pituitary macroadenoma, Pituitary 10(1).
- Dekkers OM, Hammer S, de Keizer RJW, Roelfsema F, Schutte PJ, Smit JWA, Romijn JA & Pereira AM (2007), The natural course of non-functioning pituitary macroadenomas.
- Keijser S, Maat W, Missotten GS & de Keizer RJW (2007), A new cell line from a recurrent conjunctival melanoma, British Journal of Ophthalmology 91(11).
- Koch MU, Houtman AC & de Keizer RJW (2006), Gaze-evoked amaurosis with cavernous sinus meningioma, Eye 20(7).
- Keijser S, de Keizer RJW, Prins FA, Tanke HJ, van Rooijen N, Vrensen GFJM & Jager MJ (2006), A new model for limbal transplantation using E-GFP for follow-up of transplant survival, Experimental Eye Research 83(5).
- Keijser S, Missotten GS, Bonfrer JM, de Wolff- Rouendaal D, Jager MJ & de Keizer RJW (2006), Immunophenotypic markers to differentiate between benign and malignant melanocytic lesions, British Journal of Ophthalmology 90(2).
- Keijser S, van Luijk CM, Missotten GS, Veselic-Charvat M, de Wolff-Rouendaal D & de Keizer RJW (2006), Predictive value of exfoliative cytology in pigmented conjunctival lesions, Acta Ophthalmologica Scandinavica 84(2).
- Koch M.U., Houtman A.C. & Keizer R.J.W. de (2005), Gaze-evoked amaurosis with cavernous sinus meningioma, Eye : .
- Sueters M, Peek AML, Ball LM, Hogendoorn PCW, Scherjon SA, de Keizer RJW & Schalij-Delfos NE (2005), Prenatal detection of orbital rhabdomyosarcoma, Archives of Ophthalmology -New Series- 123(2).
- Boonman ZFHM, de Keizer RJW & Watson PG (2005), Smoking delays the response to treatment in episcleritis and scleritis, Eye 19(9).
- Missotten GS, Keijser S, De Keizer RJW & De Wolff-Rouendaal D (2005), Conjunctival melanoma in the Netherlands: A nationwide study, Investigative Ophthalmology & Visual Science 46(1).
- Boonman ZFHM, van Mierlo GJD, Fransen MF, de Keizer RJW, Jager MJ, Melief CJM & Toes REM (2005), Maintenance of immune tolerance depends on normal tissue homeostasis, Journal of Immunology 175(7).
- de Keizer RJW & Smit JWA (2004), Mifepristone treatment in patients with surgically incurable sphenoid-ridge meningioma: a long-term follow-up, Eye 18(9).
- Smolders MH, Graniewski-Wijnands HS, Meinders AE, Fogteloo AJ, Pijl H & de Keizer RJW (2004), Exophthalmos in obesity, Ophthalmic Research 36(2).
- Boonman ZFHM, de Keizer RJW, Graniewski-Wijnands HS & Watson PG (2003), Orbital myositis in scleritis, British Journal of Ophthalmology 87(1).
- de Keizer RJW & de Wolff-Rouendaal D (2003), Topical alpha-interferon in recurrent conjunctival papilloma, Acta Ophthalmologica Scandinavica 81(2).
- Wirtz PW, de Keizer RJW, de Visser M, Wintzen AR & Verschuuren JJ (2001), Tonic pupils in Lambert-Eaton myasthenic syndrome, Muscle and Nerve 24(3).
- Tang NEML, Zuure PL, Pardo RD, de Keizer RJW & Van Best JA (2000), Reflex lacrimation in patients with glaucoma and healthy control subjects by fluorophotometry.
- van Beek LM, de Keizer RJW, Polak BCP, Elzenaar PR, van Haeringen NJ & Kijlstra A (2000), Incidence of ocular side effects of topical beta blockers in the Netherlands.
- Van Wirdum E, De Keizer RJW, Entius CAC & Vermeij-Keers C (1999), Hemodynamic implications of the orbital muscle of Muller - An anatomical study of human fetal, neonatal, and adult specimens.