Diagnosis and Treatment > Signs and Symptoms > Clumsiness
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Summary
A 65-year-old woman was admitted to the emergency unit with a 48 h history of generalised weakness and confusion. On examination, she had mild slurring of speech although there was no other focal neurological deficit. She had profound hyponatraemia (serum sodium level of 100 mmol/L) on admission with the rest of her metabolic parameters being within normal range. Subsequent investigations confirmed the diagnosis of small-cell lung cancer with paraneoplastic syndrome of inappropriate antidiuresis (SIAD). She was monitored closely in high-dependency unit with an attempt to cautiously correct her hyponatraemia to prevent sequelae associated with rapid correction. The patient developed prolonged psychosis (lasting over 2 weeks) and displayed delayed dyskinetic movements, even after a gradual increase in serum sodium levels close to 130 mmol/L. To our knowledge, delayed neurological recovery from profound hyponatraemia (without long-term neurological sequelae) has previously not been reported. This case should alert a clinician regarding the possibility of prolonged although reversible psychosis and dyskinetic movements in a patient presenting with profound symptomatic hyponatraemia.
Learning points:
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Patients with profound hyponatraemia may develop altered sensorium, dyskinesia and psychotic behaviour.
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Full recovery from psychotic symptoms and dyskinesia may be delayed despite cautious correction of serum sodium levels.
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Careful and close monitoring of such patients can help avoid long-term neurological sequelae.
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Search for other papers by Fernando Mazzilli in
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Summary
We report the case of a 19-year-old boy, presenting several congenital malformations (facial dysmorphisms, cardiac and musculoskeletal abnormalities), mental retardation, recurrent respiratory infections during growth and delayed puberty. Although previously hospitalised in other medical centres, only psychological support had been recommended for this patient. In our department, genetic, biochemical/hormonal and ultrasound examinations were undertaken. The karyotype was 49,XXXXY, a rare aneuploidy with an incidence of 1/85 000–100 000, characterised by the presence of three extra X chromosomes in phenotypically male subjects. The hormonal/biochemical profile showed hypergonadotropic hypogonadism, insulin resistance and vitamin D deficiency. The patient was then treated with testosterone replacement therapy. After 12 months of treatment, we observed the normalisation of testosterone levels. There was also an increase in pubic hair growth, testicular volume and penis size, weight loss, homeostatic model assessment index reduction and the normalisation of vitamin D values. Moreover, the patient showed greater interaction with the social environment and context.
Learning points
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In cases of plurimalformative syndrome, cognitive impairment, recurrent infections during growth and, primarily, delayed puberty, it is necessary to ascertain as soon as possible whether the patient is suffering from hypogonadism or metabolic disorders due to genetic causes. In our case, the diagnosis of hypogonadism, and then of 49,XXXXY syndrome, was unfortunately made only at the age of 19 years.
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The testosterone replacement treatment, even though delayed, induced positive effects on: i) development of the reproductive system, ii) regulation of the metabolic profile and iii) interaction with the social environment and context.
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However, earlier and timely hormonal replacement treatment could probably have improved the quality of life of this subject and his family.
