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Table 1 Baseline laboratory tests to confirm MEN1 in the index patient and family members

From: Distinct clinical phenotypes in a family with a novel truncating MEN1 frameshift mutation

Laboratory tests
(normal range)
Index patient Father Brother Sister
Calcium
mmol/l (2.09 – 2.54)
2.8 3.2 2.9 2.4
Phosphate
mmol/l (2.6 – 4.5)
2.2 2.2 1.6 2.4
Albumine
g/dl (3.5 – 5.2)
4.8 4.4 4.8 4.3
PTH
pg/ml (15 – 65)
117.0 258.0 89.0 76.0
Gastrin
pg/ml (13 – 115)
59.0 62.0 10.0 18.0
Chromogranin A
U/l (< 35)
12.2 19.0 11.0 14.0
Prolactin
mg/dl (4.6 – 21.4)
93.0 12.0 18.5 50.4
Fasting blood glucose
mmol/l (82 – 115)
2.7 n/d n/d n/d
Insulin
µIU/ml (2.6 – 24.9)
27.0 57.0 10.0 n/d
C-peptide
ng/ml (1.1 – 4.4)
3.3 7.7 n/d n/d
IGF-1
ng/ml (78 – 220)
206.0 167.0 179.0 135
25-OH Vitamin D3
ng/ml (10 – 25)
13.0 4,1 14.0  < 4.0
  1. IGF-1 insulin-like growth factor; PTH parathormone; n/a not available; n/d not determined