Pineal Gland Tumour With Drop Metastases: A Case Report
Abstract
Pineal gland tumours are reported rarely in Malayasia and early diagnosis and intervention promise a better prognosis for patients. We report a rare case of pineal gland tumour with drop metastases in the fourth ventricle in a 20-year-old young male with Parinaud syndrome. The patient, who had no underlying medical illnesses, presented with neurological symptoms and limb weakness associated with tremors and blurring of vision which worsened over a span of four months. The patient was having difficulty in ambulating with reduced power over the lower limbs with tremors as well as Parinaud syndrome indicated through the limitation of upward gaze, light-near dissociation of the pupils and convergence nystagmus. An MRI showed the presence of a pineal gland tumour with drop metastases in the fourth ventricle with calcification. The patient underwent an endoscopic third ventriculostomy and tumour biopsy. The biopsy indicated a pineal gland tumour with a germinoma subset and the patient was subjected to radiotherapy. Latency of diagnosis is an important prognostic factor as it reduces the survival rate for these patients hence the following discussion on the pineal gland tumour and its diagnostic dilemma.
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