نتایج جستجو برای: melanocytoma
تعداد نتایج: 223 فیلتر نتایج به سال:
Meningeal melanocytoma is a benign lesion arising from leptomeningeal melanocytes that at times can mimic its malignant counterpart, melanoma. Lesions of the spine usually occur in extramedullary locations and present with spinal cord compression symptoms. Because most reported spinal cases occur in the thoracic region, these symptoms usually include lower extremity weakness or numbness. The au...
Background. Optic disk melanocytoma is a primary tumor of the optic disk that represents a clinical diagnostic challenge due to its similarities with melanoma. Purpose. The authors present three cases in which genetic expression profiling was used to identify tumor prognosis of optic disk melanocytoma. Case Series. In two cases fine-needle aspiration biopsy was performed to obtain tissue throug...
Four patients had pigmented lesions in the anterior uveal tract and choroid which presented clinically as malignant melanomas. All the lesions were successfully removed by local excision. Histopathological studies showed the tumours to be melanocytomas, indicating that enucleation or irradiation would have been contraindicated. The 3 patients with iris and ciliary body melanocytomas continue to...
We report a case of ciliary body melanocytoma in a Korean patient, which presented as an intermittently painful pigmented iris mass and was successfully managed by iridocyclectomy. A 52-year-old healthy man presented with an irregularly-shaped and heavily-pigmented mass at the iris root of his right eye. Visual acuity of the right eye was 20/20 with normal intraocular pressure. Ultrasound biomi...
Case Description- A two- year-old female goat with a dark mass on the left hoof was referred to veterinary clinic of Shahid Bahonar University of Kerman.Clinical Findings- A large black and hemorrhagic tumor-like tissue was observed on the left hoof. The epidermis was intact and hairless.Treatment and Outcome- Considering the good body condition of the patient, the mass was removed surgically. ...
While the presence of metastatic melanocytoma in central nervous system (CNS) is relatively common, primary spinal (PSM) an extremely rare entity. Only 70 cases have been reported, and its usual position cervical region. We report a case 35-year-old male with intramedullary dorsal exophytic component. The tumor was first opened periphery closed without being operated upon due to it uncommon pat...
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