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G Kaltsas, Endocrinology, International University of Athens, Athens, Greece
J Evanson, Academic radiology, St. Bartholomew's Hospital, London, United Kingdom
A Chrisoulidou, Theagenion Hospital, Thessaloniki, Greece
A Grossman, Dept. of Endocrinology, St. Bartholomew's Hospital, London, EC1A 7BE, United Kingdom

Correspondence: Ashley Grossman, Email: a.b.grossman{at}qmul.ac.uk

Abstract

The sellar and parasellar region is an anatomically complex area where a number of neoplastic, inflammatory, infectious, developmental and vascular diseases can develop. Although most sellar lesions are due to pituitary adenomas, a number of other pathologies involving the parasellar region can present in a similar manner. The diagnosis of such lesions involves a multidisciplinary approach, and detailed endocrinologic, ophthalmologic, neuroimaging, neurologic and finally histologic studies are required. Correct diagnosis prior to any intervention is essential as the treatment of choice will be different for each disorder, particularly in the case of primary malignant parasellar tumours. The complexity of structures that define the parasellar region can produce a variety of neoplastic processes the malignant potential of which relies on histological grading. In the majority of parasellar tumours a multimodal therapeutic approach is frequently necessary including surgery, radiotherapy, primary or adjuvant medical treatment and replacement of apparent endocrine deficits. Disease specific medical therapies are mandatory in order to prevent recurrence or further tumour growth. This is particularly important as neoplastic lesions of the parasellar region tend to recur after prolonged follow-up, even when optimally treated. Apart from the type of treatment, identification of clinical and radiological features that could predict patients with different prognosis seems necessary in order to identify high risk patients. Due to their rarity, central registration of parasellar tumours is required in order to be able to provide evidence based diagnostic and mainly therapeutic approaches.