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Headache is one of the common clinical illnesses with a lot of discomfort encountered in clinical practice. Population based studies in US have reported that headache causes a loss of 150 million work days per year. The increasing availability of computed tomography and at a reasonable price has fuelled enthusiasm for its role in ruling out brain tumours and any secondary neurological conditions. The primary aim of the study is to assess the utility of computed tomography in identifying the causes of chronic headache Material and methods: A prospective descriptive study was conducted for two years on all patients attending the general medicine OPD with chronic headache. All the cases who fulfilled the inclusion criteria were subjected to computed tomography by 128 slice MDCT (Toshiba Aquallion) scanner and detailed clinical examination. IV contrast was used on selected patients depending on the necessity. All the findings were noted and analyzed using statistical package for software version 19. Chicago. Significance level was fixed at p<0.05. Results: 250 cases with 164 (65.6%) males and 86 (34.4%) females were included. 41-55 years was the most common age group with mean age of 34 years. Abnormal CT findings were observed in 31 cases, with 21 male and 10 females. 49.6% presented with 3-6 months duration of headache. Para nasal sinusitis (predominantly maxillary with associated frontal, ethmoid sinuses), space occupying lesions, Infracts (Ring enhancing lesions) were the most common findings (6 cases each of 31, 19.35%) in our study. Discussion: To conclude CT is a useful screening modality in evaluating cases of headache either to identify or rule out structural abnormality. Diagnostic yield from CT is better in patients with severe headache or headache of sudden onset or associated with blurring of vision or nausea and vomiting or any neurological deficits.

international journal of contemporary medicine surgery and radiology

A Prospective Study among Patients with Chronic Headache and Relation with Computed Tomography Findings attending a Tertiary Care Hospital of South India