A case of Turner's syndrome presented with compulsive water drinking and conduct disorder

Abstract

A 17 year aged adolescent female from lower socioeconomic status, presented to the OPD with complaints of excessive water intake. The diagnosis was confirmed as Psychogenic polydipsia (PPD) associated with behavioural problems like conduct disorder, with disinhibited behaviour. During the episode of polydipsia, no signs of severe water intoxication was observed. The ICD 10 diagnosis of Conduct disorder, adolescent-onset type (F 91.2) or unsocialized conduct disorder and Borderline intellectual functioning (R 41.83) was made. Her phenotypic features suggested and karyotyping proved the index case to be Turner's syndrome (45 XO).The behavioural manifestations including truancy, risk taking behaviours and frequent stealing and lying fits her in the ICD 10 diagnosis of Conduct disorder of Adolescent onset.

Keywords

• turner's syndrome
• karyotyping
• psychogenic polydipsia
• conduct disorder
• obsessive compulsive disorder.