After completion of this article, the reader should be able to state how rare primary ovarian leiomyosarcoma (POLMS) is, explain that because of its rarity the best diagnostic and treatment modalities are not conclusive, and recall that the authors reviewed the literature to bring the readership current on POLMS.
Oestrogen is not an important hormone in acoustic neuroma due to the absence of oestrogen receptor expression in the tissue samples. Since the progesterone receptor is expressed in all acoustic neuroma samples, further studies are necessary to find out about the inhibitory effect of antiprogesterone treatment on acoustic neuroma growth, which may be important particularly in elderly people or high-risk patients. Although Ki-67 is expressed in the majority of acoustic neuromas, it is not an important marker in clinical practice due to a lack of any correlation with the clinical parameters.
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