Labial Fusion

(Labial Adhesions)

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Definition

- Adhesion between left & right labia majora

 

Features

- Common condition in young girls

- 1.8% incidence

- Usually develops between 1-2yrs of age (3months to 6yrs)

-  Almost never present at birth

- Usually separates naturally prior to menarche

- Not related to other conditions

 

DDx

- Septate vagina

- Imperforate hymen

- Sexual abuse (incl female genital mutilation)

 

Associated S/S

- Usually asymptomatic

-  Typically noticed by parents or incidentally on examination for other reasons

- Fusion of labia by thin pale semitransparent membranes

- +/- vulval irritation

 

 

Complications

- UTI

- Hydronephrosis

-  Only require 1mm+ for passage of urine

 

Ix

- +/- Dipstick or MSU for MCS: UTI

 

Mx

- Treatment usually avoided

-  Pain & anxiety

-  Risk of reoccurrence if treated

- Usually resolves slowly over time (painless & not noticed)

-  80% resolve by 1yr

- Massage, manual separaton & creams (steroids, oestrogen) not recommended

 

 

 

References

 

Pic: www.rch.org.au/kidsinfo/factsheets.cfm?doc_id=9413

eMedicine: Labial Adhesions, 18/01/12