Table 4.

Symptoms of five patients with acute thallium poisoning during 24-mo follow-up

Patient No.	1 mo	3 mo	12 mo	24 mo
1	Bradypsychia, blepharoptosis, paresthesia of lower limbs, alopecia	Cognitive impairment, alopecia, nystagmus, hypalgesia of limbs	Blind, dysphagia	Blind, disability
2	Dysesthesia of fingers, alopecia	Hypalgesia of limbs, alopecia, bradypsychia	N/A	N/A
3	Dysesthesia of limbs, alopecia	Alopecia, palpitation	Fatiguability	N/A
4	Dysesthesia of lower limbs, alopecia	Alopecia	N/A	N/A
5	Dysesthesia of limbs alopecia, abdominalgia dysphasia	Weakness of lower limbs, alopecia, bradypsychia	N/A	N/A

The clinical follow-up was performed at 1, 3, 12, and 24 mo after discharge. The main symptoms which may be associated with acute thallium poisoning are recorded in the table. N/A: No symptoms or complaints at all.