Author [Ref]

Age
and sex of patient

Diagnosis

Pretreatment before
RAI ablation

Duration of
low iodine diet

Serum sodium at time of symptoms

Thiazide Diuretics

Krishnamurthy, et al  [5]

70 years
Male

Papillary carcinoma thyroid

Low iodine diet
Thyroxin withdrawal

2 weeks

115

No

81years
Female

Papillary carcinoma thyroid

Thyrotropin injection

NA

116

Yes

Shakir et al [6]

87 years
Female

Metastatic
Follicular carcinoma thyroid

Low iodine diet
Thyroxin withdrawal

5 weeks

118

No

66 years
Female

Metastatic
Papillary carcinoma thyroid

Low iodine diet
Thyroxin withdrawal

6 weeks

114

No

72 years
Female

Metastatic
Papillary carcinoma thyroid

Low iodine diet
Thyroxin withdrawal

5 weeks

121

No

68 years
Male

Metastatic
Papillary carcinoma thyroid

Low iodine diet
Thyroxin withdrawal

4 weeks

115

No

71 years
Female

Follicular carcinoma thyroid

Low iodine diet
Thyroxin withdrawal

3 weeks

110

No

Al Nozha OM, et al [7]

66 years
Female

Node positive Papillary carcinoma thyroid

Thyrotropin injection

4 weeks

107

Yes

Our patient

62 years
female

Papillary carcinoma thyroid
T2N0M0

Thyrotropin injection

3 weeks

105

Yes

NA= not available, RAI= radioactive iodine
Table 2: Published case reports describing low iodine diet and hormonal withdrawal related severe Hyponatremia in patients with thyroid cancer undergoing radioactive iodine therapy.