類胰島素成長因子(IGF-1)
IGF-1 是評估生長激素分泌狀態的最佳指標,臨床上常用來診斷成人肢端肥大症 (acromegaly),兒童生長遲緩或巨人症,也可評估腦下腺及下視丘方面的損傷。
在兒童侏儒症 (dwarfism ) 方面,IGF-I 會呈現較低濃度,若治療有效則會反應回升。對身材矮小的兒童而言,若 IGF-1 測定結果正常,當可排除生長激素缺乏的原因,而應尋求其他改善措施。IGF-1 很容易受到營養程度的影響,特別是營養不良時,IGF-1 往往偏低。青春期的人 IGF-1 較高則屬正常現象。
報告說明(男)依年齡區分參考值:
0-3歲-Median:44、Range:<15.0-129;
4-6歲-Median:96、Range:22.0-208;
7-9歲-Median:132、Range:40.1-255;
10-11歲-Median:177、Range:68.7-316;
12-13歲-Median:305、Range:143-506;
14-15歲-Median:322、Range:177-507;
16-18歲-Median:284、Range:173-414;
19-21歲-Median:207、Range:177-323;
22-24歲-Median:175、Range:98.7-289;
25-29歲-Median:160、Range:83.6-259;
30-34歲-Median:136、Range:71.2-234;
35-39歲-Median:126、Range:63.4-223;
40-44歲-Median:122、Range:58.2-219;
45-49歲-Median:120、Range:53.3-215;
50-54歲-Median:108、Range:48.1-209;
55-59歲-Median:108、Range:44.7-210;
60-64歲-Median:112、Range:43.0-220;
65-69歲-Median:110、Range:40.2-225;
70-79歲-Median:92、Range:35.1-216;
80-90歲-Median:94.1、Range:30.6-208。
報告說明(女)依年齡區分參考值:
0-3歲-Median:68、Range:18.2-172;
4-6歲-Median:105、Range:35.4-232;
7-9歲-Median:139、Range:56.9-277;
10-11歲-Median:248、Range:118-448;
12-13歲-Median:323、Range:170-527;
14-15歲-Median:317、Range:191-496;
16-18歲-Median:291、Range:190-429;
19-21歲-Median:207、Range:177-323;
22-24歲-Median:175、Range:98.7-289;
25-29歲-Median:160、Range:83.6-259;
30-34歲-Median:136、Range:71.2-234;
35-39歲-Median:126、Range:63.4-223;
40-44歲-Median:122、Range:58.2-219;
45-49歲-Median:120、Range:53.3-215;
50-54歲-Median:108、Range:48.1-209;
55-59歲-Median:108、Range:44.7-210;
60-64歲-Median:112、Range:43.0-220;
65-69歲-Median:110、Range:40.2-225;
70-79歲-Median:92、Range:35.1-216;
80-90歲-Median:94.1、Range:30.6-208。
<不同儀器、實驗室、參考值或有不同>
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