Photodynamic therapy (PDT) has been employed in the management of recurrent cerebral gliomas, but its activity against pituitary adenomas has not been specifically studied. An in vitro study of the effects of PDT against a variety of pituitary adenomas was conducted. It was found that PDT using haematoporphyrin derivative as a photosensitizer showed dose dependent activity against a variety of pituitary adenomas. The activity of PDT against pituitary adenomas should be investigated further and may hopefully provide a useful form of adjuvant therapy for preventing recurrence of micro-invasive pituitary adenomas or dealing with established recurrence after surgery and radiotherapy.
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Marks et al. (1993) studied this question.
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