Thorough and accurate radiographic imaging is an essential aspect of managing patients with cerebral metastases. CT has been superceded by MRI with gadolinium contrast as the modality of choice .
CT is useful for screening for large or hem-orrhagic metastases with acute presentations and for skull tumors. Most metastases are hypodense or isodense, well circumscribed masses on non-contrast images. Those with necrotic centers have hypodense interiors. Hyperdensity is seen with acute intratumoral hemorrhage, some melanomas, some densely cellular tumors (adenocarcinoma and small cell lung carcinoma) and rare calcified lesions . Most metastases enhance brightly with intravenous contrast, particularly when given in double dose. CT is relatively insensitive in
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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.