Hydrometrocolpos is characterized by an expanded fluid filled vaginal cavity with associated distention of the uterine cavity. It may present in infancy with a lower abdominal mass, or be delayed till menarche.
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Pathology
Etiology
- imperforate hymen (most common) also involves the upper portion of the vaginal vault
- vaginal stenosis / transverse vaginal septum
- lower vaginal atresia
- cervical stenosis
Associations
History and etymology
Hydrometrocolpos is formed from the prefix hydro- for water and the roots metro for uterine cavity and colpo for cervix.
Differential diagnosis
General considerations include:
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