Neurosarcoidosis Presentation as Adipsic Diabetes Insipidus Secondary to a Pituitary Stalk Lesion and Association with Anti-NMDA Receptor Antibodies
Table 1
Serum and urinary sodium levels, osmolarity, urinary volume, and calculated electrolyte-free water excretion during hospitalization. Desmopressin was administered from day 5 according to requirements.
Day 1
Day 2
Day 3
Day 4
Day 5
Day 7
Day 9
Day 11
Day 13
Day 15
Day 17
Day 20
Day 23
Day 25
Serum Na (mEq/L)
180
170
165
163
157
164
156
151
147
152
149
139
142
135
Urinary Na (mEq/L)
20
17
5
9
8
33
17
113
50
170
127
29
65
188
Serum osm (mOsm/l)
366
345
336
331
326
337
317
307
299
308
306
284
272
276
Urinary osm (mOsm/l)
219
342
380
225
85
574
339
580
305
512
750
144
290
474
Urinary volume (lts)
1
1.25
2
3
4
1.85
2.5
1.8
1.5
1.9
2
2.8
2
1.5
EFWE (lts)
0.805
0.888
1.468
2.52
3.3
−0.56
1.21
−0.239
0.613
−0.42
−1
2
1.09
−1.16
Na, sodium; Osm, osmolarity; EFWE, electrolyte-free water excretion.
