Results 161 to 170 of about 2,229 (203)

Meningeal melanocytoma

Child's Nervous System, 2006
Meningeal melanocytoma was first described over 30 years ago as a benign tumour derived from melanocytes. Since then, data suggest that its mode of presentation is variable without a clear predilection for any particular site in the neuroaxis. Although classified as a benign tumour, this tumour shows a marked tendency towards reduced survival following
Donncha F, O'Brien, Daniel, Crooks, Conor, Mallucci, Mohsen, Javadpour, Dawn, Williams, D, du Plessis, John, Broome, Patrick, Foy, Barry, Pizer   +8 more
openaire   +2 more sources

Melanocytoma of the Conjunctiva

Archives of Ophthalmology, 1974
A 15-year-old girl was born with a unilateral pigmented lesion of the conjunctiva. The patient has been observed for 11 years, showing very slow but steady progression of the pigmentation. The tumor mass was biopsied and studied with light and electron microscopy.
J, Verdaguer, H, Valenzuela, L, Strozzi
openaire   +2 more sources

Intramedullary Melanocytoma: Case Report and Review of Literature

Tumori, 2009
The authors report on a very rare case of dorsal intramedullary melanocytoma in a 62-year-old man. The tumor resection was performed and a gross total removal of the tumor was achieved.
Riccardo Caruso, Maurizio Salvati, Venceslao Wierzbicki   +2 more
exaly   +3 more sources

Melanocytomas

2021
Keeping up to date with advances in comprehensive ophthalmology and in the ophthalmic sub-specialties is extremely difficult because of the accelerating rapidity with which new information and technology become available and the diminishing time and opportunity for practitioners and trainees to read and learn. The first edition of Albert and Jakobiec’s
Stathopoulos, Christina, Zografos, Leonidas   +1 more
openaire   +2 more sources

Melanocytoma of the Optic Disc

Ophthalmologica, 2010
On the occasion of the observation of 4 cases of melanocytoma of the optic disc, the authors stress the relative rarity of this pigmented tumor, its benignity and its frequent association with a choroidal nevus. The melanocytoma is mostly stationary and produces no functional symptoms. It is generally diagnosed after the age of 30, and its pathogenesis
J, François, J J, de Laey, J, Kluyskens, F, Goes, F, Lentini, R, Giambastiani   +5 more
openaire   +2 more sources

Melanocytoma of the foramen magnum

Pathology International, 1997
This report concerns a 66‐year‐old man with a melanocytoma arlsing at the foramen magnum. Magnetic resonance Imaging disclosed a well‐clrcumscrlbed tumor extending from the medulla oblongata to C1 wtth gadolinium enhancement. A heavlly pigmented tumor located under the leptomeninges was removed surgically.
T, Hirose, H, Horiguchi, F, Kaneko, K, Kusaka, H, Morizumi, K, Seki, T, Sano   +6 more
openaire   +2 more sources

Melanocytoma in the orbital apex

Journal of Neuro-Oncology, 2008
We report a case of a 49-year-old man presenting with a melanocytoma located in the orbital apex. The tumor was subtotally removed and adjuvant chemotherapy was given. The patient has remained under follow-up for the past 12 years without any evidence of recurrence.
Kazufumi, Sato, Toshihiko, Kubota, Toshiaki, Kodera, Ryuhei, Kitai, Hiroaki, Takeuchi, Kazuhiko, Yoshida   +5 more
openaire   +2 more sources

Melanocytomas of the optic disk

American Journal of Ophthalmology, 2004
To evaluate the various forms of clinical presentation, the potential of growth, the risk of functional loss and the possibility of malignant transformation of optic disk melanocytomas in European patients.Retrospective observational case control study.Evaluation of 37 cases of optic disk melanocytomas identified in the computer files of the ocular ...
Zografos, L., Othenin-Girard, C.B., Desjardins, L., Schalenbourg, A., Chamot, L., Uffer, S.   +5 more
openaire   +4 more sources

Choroidal melanocytoma in a cat

Veterinary Ophthalmology, 2011
AbstractAn 11‐year‐old male, neutered European cat was presented for anisocoria due to pupillary dilation in the right eye. Ophthalmic findings were restricted to this eye and consisted of a raised, darkly pigmented, retrolental mass associated with retinal detachment.
Marie O, Semin, Fabienne, Serra, Vincent, Mahe, Alexandra, Deviers, Alain, Regnier, Isabelle, Raymond-Letron   +5 more
openaire   +2 more sources

Incidence and Location of Melanocytomas

Archives of Ophthalmology, 1967
Sections of 907 pigmented intraocular tumors were reexamined, disclosing five melanocytomas: two located in the ciliary body, two in the choroid, and one in the optic disc. The two melanocytomas of the ciliary body had been diagnosed previously as malignant melanomas, both clinically and microscopically.
G M, Howard, A W, Forrest
openaire   +2 more sources