PMID- 11106926 OWN - NLM STAT- MEDLINE DCOM- 20001222 LR - 20190813 IS - 0300-0664 (Print) IS - 0300-0664 (Linking) VI - 53 IP - 5 DP - 2000 Nov TI - Over-expression of hepatocyte growth factor/scatter factor (HGF/SF) and the HGF/SF receptor (cMET) are associated with a high risk of metastasis and recurrence for children and young adults with papillary thyroid carcinoma. PG - 635-44 AB - OBJECTIVE: The study determined if hepatocyte growth factor/scatter factor (HGF/SF) or the HGF/SF receptor (cMET) might be important for metastasis in thyroid cancer. DESIGN: We examined HGF/SF and cMET expression by immunohistochemistry in a retrospective group of benign and malignant thyroid lesions from children and young adults, and correlated the intensity of expression with clinical outcome. PATIENTS: Patients included 42 children and young adults with papillary thyroid carcinomas (PTC), seven with follicular thyroid carcinomas (FTC), two with medullary thyroid carcinomas (MTC), 14 with benign thyroid disorders, and two with normal thyroids. MEASUREMENTS: Expression of cMET was graded from 0 (absent) to 4 (intense); and HGF/SF expression was graded from 0 (absent-minimal) to 3 (diffuse and intense). RESULTS: cMET staining was greater in PTC (mean intensity 2.3 +/- 0.4 vs. 0.8 +/- 0.2, P < 0.005) and FTC (2.4 +/- 0.6 vs. 0.8 +/- 0.2, P = 0.04) than benign lesions (0.8 +/- 0.2) or normal thyroids (0.4 +/- 0.5). PTC with intense cMET staining had shorter disease free survival (P = 0.05) and increased HGF/SF staining (r = 0.39, P = 0.017). HGF/SF correlated with the extent of disease at diagnosis (r = 0.33, P = 0.049). Patients with PTC were stratified into quartiles based on combined cMET and HGF/SF staining. Those with intense cMET and HGF/SF staining were younger (P = 0.05), and had reduced disease free survival (P = 0.03). CONCLUSIONS: We conclude that increased cMET and HGF/SF expression is associated with a high risk for metastasis and recurrence in children and young adults with papillary thyroid carcinoma. FAU - Ramirez, R AU - Ramirez R AD - Department of Paediatrics, Walter Reed Army Medical Center, Washington, DC, USA. FAU - Hsu, D AU - Hsu D FAU - Patel, A AU - Patel A FAU - Fenton, C AU - Fenton C FAU - Dinauer, C AU - Dinauer C FAU - Tuttle, R M AU - Tuttle RM FAU - Francis, G L AU - Francis GL LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - England TA - Clin Endocrinol (Oxf) JT - Clinical endocrinology JID - 0346653 RN - 67256-21-7 (Hepatocyte Growth Factor) RN - EC 2.7.10.1 (Proto-Oncogene Proteins c-met) SB - IM MH - Adolescent MH - Adult MH - Age Factors MH - Carcinoma, Papillary/*metabolism/secondary MH - Child MH - Disease-Free Survival MH - Female MH - Hepatocyte Growth Factor/*metabolism MH - Humans MH - Male MH - Neoplasm Metastasis MH - Neoplasm Recurrence, Local/*metabolism MH - Neoplasm Staging MH - Proto-Oncogene Proteins c-met/*metabolism MH - Retrospective Studies MH - Thyroid Neoplasms/*metabolism/pathology EDAT- 2000/12/07 11:00 MHDA- 2001/02/28 10:01 CRDT- 2000/12/07 11:00 PHST- 2000/12/07 11:00 [pubmed] PHST- 2001/02/28 10:01 [medline] PHST- 2000/12/07 11:00 [entrez] AID - cen1124 [pii] AID - 10.1046/j.1365-2265.2000.01124.x [doi] PST - ppublish SO - Clin Endocrinol (Oxf). 2000 Nov;53(5):635-44. doi: 10.1046/j.1365-2265.2000.01124.x.