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February 2014
Renata Faermann, Fani Sperber, Schlomo Schneebaum and Daphna Barsuk
Background: The surgical approach to breast cancer has changed dramatically in the past 20 years. The surgical objective today is to remove the tumor, ensuring negative margins and good cosmetic results, and preserving the breast when possible. Magnetic resonance imaging of the breast has become an essential imaging tool prior to surgery, diagnosing additional tumors and assessing tumor extent. Tumor-to-breast volume ratio, an important predictor of breast conservation, can be measured with MRI and may change the surgical decision.

Objectives: To measure the tumor-to-breast volume ratio using MRI in order to assess whether there is a correlation between this ratio and the type of surgery selected (breast-conserving or mastectomy).

Methods: The volumes of the tumor and the breast and the tumor-to-breast volume ratio were retrospectively calculated using preoperative breast MRI in 76 patients who underwent breast-conserving surgery or mastectomy.

Results: Breast-conserving surgery (lumpectomy) was performed in 64 patients and mastectomy in 12. The average tumor-to-breast volume ratio was 0.06 (6%) in the lumpectomy group and 0.30 (30%) in the mastectomy group (P < 0.0001).

Conclusion: The tumor-to-breast volume ratio correlated with the type of surgery. As measured on MRI, this ratio is an accurate means of determining the type of surgery best suited for a given patient. It is recommended that MRI-determined tumor-to-breast volume ratio become part of the surgical planning protocol for patients diagnosed with breast cancer.

November 2007
E. Nesher, R. Greenberg, S. Avital, Y Skornick and S. Schneebaum

Background: Peritoneal carcinomatosis is an advanced form of cancer with poor prognosis that in the past was treated mainly palliatively. Today, the definitive approach to peritoneal surface malignancy involves peritonectomy, visceral resection and perioperative intra-abdominal hyperthermic chemotherapy. The anticipated results range from at least palliative to as far as intent to cure. Proper patient selection is mandatory.

Objectives: To determine whether cytoreductive surgery and intraperitoneal hyperthermic chemotherapy can extend survival, and with minor complications only, in patients with peritoneal carcinomatosis.

Methods: Twenty-two IPHP[1] procedures were performed in 17 patients with peritoneal carcinomatosis in our institution between 1998 and 2007: 6 had pseudomyxoma peritonei, 5 had colorectal carcinoma, 3 had ovarian cancer and 3 had mesotheliomas. All patients underwent cytoreductive surgery, leaving only residual metastasis < 1 cm in size. Intraperitoneal chemotherapy was administered through four large catheters (2F) using a closed system of two pumps, a heat exchanger and two filters. After the patient’s abdominal temperature reached 41°C, 30–60 mg mitomycin C was circulated intraperitoneally for 1 hour.

Results: The patients had a variety of anastomoses. None demonstrated anastomotic leak and none experienced major complications. Six patients had minor complications (pleural effusion, leukopenia, fever, prolonged paralytic ileus, sepsis), two of which may be attributed to chemotherapy toxicity (leukopenia). There was no perioperative mortality. Some patients have survived more than 5 years.

Conclusions: IPHP is a safe treatment modality for patients with peritoneal carcinomatosis. It has an acceptable complications rate and ensures a marked improvement in survival and in the quality of life in selected patients.

 






[1] IPHP = intraperitoneal hyperthermic perfusion


April 2006
E. Miller, Y. Barnea, A. Karin, D. Leshem, J. Weiss, L. Leider-Trejo and S. Schneebaum
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