Androgen insensitivity syndrome: a survey of diagnostic procedures and management in the UK
a Department of Paediatrics, University of
Cambridge, Addenbrookes Hospital, b University College London Hospitals,
Great Ormond Street Hospital, and Middlesex Hospital,
London
Correspondence to: Professor I A Hughes, Department of Paediatrics, Addenbrookes Hospital, Level 8, Box 116, Hills Road, Cambridge CB2 2QQ.
Accepted 10 June 1997
OBJECTIVE
A two year survey of androgen
insensitivity syndrome (AIS) to assess current diagnostic and
management strategies.
METHODS
Cases were ascertained by inclusion on the
British Paediatric Surveillance Unit monthly report card for 24 months.
RESULTS
Fifty one of 139 notifications were
confirmed as AIS; 29 cases were complete AIS and 22 cases partial AIS.
Seventy six per cent of complete AIS presented with an inguinal hernia,
and half the complete AIS patients had an established family history of the disorder. Presentation in the partial AIS group was through ambiguous or undermasculinised genitalia; 59% of partial AIS were raised as male.
CONCLUSIONS
The importance of karyotyping girls
with inguinal hernias is confirmed, and further attention should be
given to genetic counselling for families of complete AIS patients. A
large number of cases were misreported as partial AIS, emphasising the
importance of undertaking a comprehensive diagnostic evaluation in
intersex states. A large percentage of children with partial AIS were
raised as boys despite severe genital undermasculinisation, indicating the current lack of validated measures that predict genital response to
androgen treatment. The management of AIS is discussed and diagnostic
guidelines provided to improve the diagnostic yield in AIS.
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Key messages
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© 1997 by Archives of Disease in Childhood
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