Severe constipation as the first clinical manifestation in multiple endocrine neoplasia type 2B: a case report and literature review

Table 1 Main results of laboratory investigations on the patient before the first surgery

Variable	Unit	Reference Range	On admission
TSH	uIU/ml	0.35–4.94	3.09
FT3	pmol/l	2.63–5.70	5.24
FT4	pmol/l	9.01–19.04	13.85
T3	nmol/l	0.89–2.40	1.80
T4	nmol/l	62.6–150.8	94.11
Calcitonin	pg/ml	< 10	> 1187
PTH	pg/ml	15.0–68.3	75.5
CEA	ng/ml	< 5.0	655.4
AFP	ng/ml	0–8.78	2.92
Ca	mol/l	2.0–2.75	2.29
P	mol/l	0.8–1.6	1.62
E	pg/ml	14–90	57.4
NE	pg/ml	19–121	94.4
IGF-1	ng/ml	385–665	61

Remark: TSH Thyroid stimulating hormone, FT3 Free triiodothyronine, FT4 Free tetraiodothyronine, T3 Triiodothyronine, T4 Tetraiodothyronine, PTH Parathyroid hormone, CEA Carcinoembryonic antigen, AFP Alpha-fetoprotein, P Phosphorus, E Epinephrine, NE Norepinephrine, IGF-1 Insulin-like growth factors −1

ISSN: 1471-2431