Biomedical subjects

K A Zakka

Publications and source records attributed to K A Zakka.

3 recordsLinked to original sources

PubMed1979

Opticociliary veins in a primary optic nerve sheath meningioma.

A 59-year-old man developed painless visual loss in his left eye over a one-year period, with rapid progression to blindness over three months. Ocular examination of the left eye revealed proptosis, marked optic disk pallor, dilated retinal veins, and congeries of vessels at the disk margin (opticociliary veins). His right eye was unremarkable. Fluorescein angiography and histopathologic examination confirmed the presence of opticociliary veins communicating between branches of the central retinal vein and the adjacent choroidal vasculature. Primary orbital optic nerve meningioma associated with opticociliary veins was diagnosed.

Cranial Nerve Neoplasms↗

PubMed1979

Metastatic tapioca iris melanoma.

A case of metastatic tapioca melanoma of the iris in a 12-year-old girl is reported. The patient had heterochromia, a red painful eye, and was treated for iritis with secondary glaucoma. In the course of 5 months iris lesions with the clinical appearance of tapioca pudding developed, and biopsy disclosed a melanoma. The eye was immediately enucleated, and pathological examination showed a melanoma with predominantly epithelioid-type cells which had infiltrated the angle, the posterior chamber, and the surgical wounds. Conjunctival extension was noted 10 months after enucleation, and regional lymph node metastases were found 4 months later. Previously reported cases are reviewed and compared with the present case.

Child↗

PubMedDate not supplied

Intraocular coccidioidomycosis.

A case of unsuccessfully treated coccidioidomycosis with intraocular manifestations is presented. Fever, skin lesions and a variety of constitutional symptoms dominated the clinical course. At autopsy there were extensive systemic dissemination and conspicuous intraocular lesions involving the uveal tract. The ocular and systemic features and the immunologic aspects of Coccidioidomycosis are discussed. Previously reported intraocular cases are reviewed and compared to our case.

Adult↗