There are numerous diagnostic possibilities for any lesion in the sellar region (Table 11.1) but the astute clinician or radiologist is aware that there is a high statistical chance of any lesion in the area being a pituitary adenoma. Adenomas in their various forms make up 90-95% of most series. Meningiomas, craniopharyngiomas, Rathke's cleft cysts and internal carotid artery aneurysms make up the commonest of the less frequent lesions. Of the remainder, because their frequency of presentation is considerably less than 1%, it is sufficient to be aware of their existence.
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The term vaginitis is one that is applied to any inflammation or infection of the vagina, and there are many different conditions that are categorized together under this ‘broad’ heading, including bacterial vaginosis, trichomoniasis and non-infectious vaginitis.