Eighty-five brain tumour patients were examined for further characteristics of brain tumour-associated headache. The overall prevalence of headache in this population was 60%, but headache was the sole symptom in only 2%. Pain was generally dull, of moderate intensity, and not specifically localized. Nearly 40% met the criteria of tension-type headache. An alteration of the pain with the occurrence of the tumour was experienced by 82.5%, implying that the pre-existing and the brain tumour headaches were different. The classic characteristics mentioned in the International Classification of Headache Disorders (worsening in the morning or during coughing) were not found; this might be explained by the patients not having elevated intracranial pressure. Univariate analysis revealed that a positive family history of headache and the presence of meningiomas are risk factors for tumour-associated headache, and the use of beta-blockers is prophylactic. Pre-existing headache was the only risk factor according to logistic regression, suggesting that patients with pre-existing (primary) headache have a greater predisposition to develop secondary headache. Dull headache occurs significantly more often in patients with glioblastoma multiforme, and pulsating headache in patients with meningioma. In our study, only infratentorial tumours were associated with headache location, and predominantly with occipital but rarely frontal pain.

The patients of this prospective study were analysed for headache as a sequela of surgery for acoustic neuroma (AN). Thirty-two per cent (30/95) of patients complained about a persisting headache syndrome with a severity of at least 6/10 on the nominal analogue scale 6 months after surgery. The occurrence of headache was significantly correlated with the prospectively evaluated parameters preoperative headache and the number of perioperative complications. Postoperative failure to return to the preoperative level of activity was also associated with the occurrence of headache, but also with the risk of retirement after successful surgery of the AN. Headache is therefore, like postoperative ataxia, dysgeusia and probably facial paresis, an important factor for the overall outcome of patients after AN surgery. Hypacusis is not as important. The symptoms and course of each individual patient were analysed. The attempt to categorize the headaches according to the second edition of the International Classification of Headache Disorders revealed five headache syndromes, the most prevalent being tension-type-like headache (46.7%), followed by neuralgia of the occipital nerve (16.6%), trigeminal neuropathy (16.6%), neuropathy of the intermedian nerve (10.0%) and cervicogenic headache (10.0%). The respective pathophysiological mechanisms are discussed and treatment options based on the clinical picture are presented.

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We report a 57-year-old female with a history of migraine without aura in her early adulthood who complained about new migraine attacks after being free of them for 30 years. As a possible trigger, an intracranial metastasis of a thyroid cancer was found which also caused elevated serum prolactin. The mechanism of a para- or endocrinal effect of the tumour is discussed, showing the relevance of intracranial tumours as a human headache model. The recurrence of a primary headache syndrome after long latency should result in the exclusion of a pathological cause.

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