B-scan ultrasonography (USG) is a simple, noninvasive tool for diagnosing lesions of the posterior segment of the eyeball. Common conditions such as cataract, vitreous degeneration, retinal detachment, ocular trauma, choroidal melanoma, and retinoblastoma can be accurately evaluated with this modality. B-scan USG is cost-effective, which is an important consideration in the rural setting. In addition, it is noninvasive and easily available and the results are reproducible.
Malignant melanoma of the choroid is the commonest primary intra-ocular tumor in the adults, 85% arising from the choroid and 15% from the ciliary body. We present two cases of intraocular choroidal melanoma with varied manifestations. One in a fifty two year old man and another in a forty-two years old woman presenting with gradual loss of vision in one eye. A bilobed mushroom shaped (figure of eight shape) intraocular lesion was seen to arise from choroid protruding into the vitreous and revealing a "waist " in it′s midportion in the right eye of fifty two year old man. B-Scan of right eye in the forty-two years old woman revealed a large intraocular mass with mid level echos and lobulated contours filling nearly the whole posterior segment.
Retinoblastoma is a primary intraocular neoplasm of childhood, presenting with leukocoria.We present a spectrum of three cases. First two cases are of bilateral retinoblastoma and last case is a retinoblastoma of right eye. All cases are confirmed to be retinoblastoma on operation and consequent histopathological study.
Post-traumatic epilepsy (PTE) results from injury to the brain and presents as a recurrent seizure disorder. 1 this injury may be due to traumatic brain injury (TBI) or to an operation on the brain. Here we discuss a case of a 3 year old male child who presented with left sided deviation of the neck along with frothing from the mouth and a staring gaze. The child had a history of penetrating injury 6 months back with a metal rod which entered through the frontal bone after he fell on a railway track. At that time, the rod was removed followed by a CT scan and no major intervention was done.
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