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https://www.selleckchem.com/products/4-phenylbutyric-acid-4-pba-.html The ovaries are a common site of metastasis from a variety of solid organ malignancies. These tumors most commonly originate from the gastrointestinal tract. Neuroendocrine tumors of the small bowel are unrelenting in their tendency to exhibit this type of distant spread, which poses a challenge for curative treatment. Whether metastatic disease to the ovary or primary ovarian malignancy, this is a major cause of morbidity and mortality for women of various ages. Currently, a mainstay of palliative treatment for advanced-stage disease resides in surgical debulking and chemotherapy. At times, these patients may not be surgical candidates due to various reasons which may include a large disease burden. Computed tomography-guided percutaneous cryoablation is a minimally invasive technique that has shown promise in treating solid organ metastatic lesions by exposing them to lethal temperatures. We describe a novel technique of palliative cryoablation of a primary small bowel carcinoid tumor that metastasized to the ovary. Hydrodissection was utilized to create a window for safe percutaneous treatment. At the end of freeze cycles, intraoperative CT was performed, demonstrating greater than 90% incorporation of the ovarian tumor within the margins of the lethal ice zone. Our team decided that this was a maximum percentage of freeze due to neighboring vessels and bowel. The patient tolerated this treatment well, and there were no reported post-operative complications. The procedure was clinically successful at shrinking the tumor as demonstrated on a nine-month follow-up CT. Percutaneous cryoablation is already a widely utilized method for treating tumors in various locations including the kidneys and liver. The application of cryoablation can be expanded as an effective and safe palliative technique for treating ovarian tumors. This may be especially useful in patients that are not surgical candidates.H

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