FREQUENCY AND CLINICAL PRESENTATION OF CEREBELLOPONTINE ANGLE TUMORS: AN EXPERIENCE IN DEPARTMENT OF NEUROSURGERY LADY READING HOSPITAL PESHAWAR

Abstract

Objective: To determine the frequency and clinical presentation of cerebellopontine
(CP) angle tumors in Department of Neurosurgery, Lady Reading
Hospital Peshawar.
Methodology: Descriptive cross sectional study was conducted from July
2014 to June 2015(one year) in Department of Neurosurgery, Lady Reading
Hospital Peshawar. All patients having primary CP Angle tumors were included.
patients having recurrent CPA tumor, vascular pathology and CP angle
tumors managed conservatively were excluded. Data of the target population
was then collected on a designed profarma from the hospital charts, radiology
and histopathology reports. Patients were analyzed on the basis of age and
gender. Data was entered into statistical program SPSS 16 and was expressed
in percentages. Data was presented in different tables.
Results: 14 patients (53.85%) out of 26 were female and 12 patients (46.15%)
were male with male to female 1:1.7. Eight cases (30.77%) were below 40
years and 18 cases (69.23%) were above 40 years with mean age of 42 years.
Eighteen (18) cases (69.23%) were acoustic neuroma and 4 cases (15.38%)
were meningioma, 3 cases (11.54%) were epidermoid and 1 case (3.85%) was
arachnoid cyst. The most common presenting symptom was hearing loss
which accounts for 69.23%. It is followed by headache (53.85%), tinnitus and
disequilibrium (38.46%) each, papilledema (30.77%), vomiting, visual impairment
and facial weakness (23.08%) each, diplopia and nystagmus (15.38%)
each and focal deficit (7.69%).
Conclusion: The most common cerebellopontine angle tumor is acoustic
neuroma which is followed by meningioma, epidermoid and arachnoid cyst.
The most common presenting symptom is hearing loss which is followed by
headache, tinnitus and disequilibrium.