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lüll Serum Mullerian Inhibiting Substance/anti-Mullerian hormone levels in patients with adult granulosa cell tumors directly correlate with aggregate tumor mass as determined by pathology or radiology Chang HL; Pahlavan N; Halpern EF; MacLaughlin DTGynecol Oncol 2009[Jul]; 114 (1): 57-60OBJECTIVES: Granulosa cell tumors (GCTs) comprise 2-5% of ovarian tumors. Serum Mullerian Inhibiting Substance (MIS, also known as anti-Mullerian hormone, or AMH) levels have been validated as a marker of GCT recurrence and progression. There has been little correlation between serum MIS/AMH levels and several clinical parameters in GCTs, including tumor burden. We have performed a retrospective review correlating aggregate tumor mass as reported by pathologic examination or by radiology with serum MIS/AMH levels drawn on the date of examination. METHODS: We retrospectively identified 32 GCT patients at our institution over the last 15 years who had serum MIS/AMH measurements. Patients who had serum MIS/AMH measurements within three days of surgery or on the same day as abdominal computerized tomography scan (CT) or magnetic resonance imaging (MRI) were further evaluated. RESULTS: We found a significant direct correlation between patient serum MIS/AMH levels and gross aggregate tumor mass determined by pathology (slope=15.4+/-6.06, r=0.65, p<0.04) or by radiographic aggregate tumor mass for all data points identified (slope=0.07+/-0.03, r=0.33, p<0.04) and after correcting for selection bias (slope=1.45+/-0.17, r=0.93, p<0.01). We also identified a significant difference between serum MIS/AMH levels between samples drawn the same day as negative and positive abdominal CT or MRI scans (8.16+/-1.54 vs. 158.7+/-32.2 ng/ml, p<0.0001). CONCLUSIONS: These data indicate a significant direct correlation between serum MIS/AMH levels and both gross and radiographic aggregate tumor mass in GCT patients. Together with the current literature, the present data argue for a more prominent role for serum MIS/AMH in the management of GCTs.|Adult[MESH]|Anti-Mullerian Hormone/*blood[MESH]|Female[MESH]|Granulosa Cell Tumor/*blood/diagnostic imaging/*pathology[MESH]|Humans[MESH]|Neoplasm Staging[MESH]|Ovarian Neoplasms/blood/diagnostic imaging/pathology[MESH]|Prognosis[MESH]|Radiography[MESH]|Recurrence[MESH]|Retrospective Studies[MESH] |