[A rare and little known variant of hypospadias].
Hypospadia is a congenital defect presenting as different variants of dysplasia of the distal urethra with ectopy of the urethral external orifice and distortion of the penis. A variant of hypospadia not yet described in Russian medical literature was observed in a newborn boy. He had normal penis and scrotum, but on the under-side of the penis there was a site of thin skin protruding as a resonance bag in urination. At the site of the thin skin the back urethral wall was absent with a cavity covered by the thin skin. In urination urine filled the cavity blowing up the skin above it to the form of the resonance bag. This variant of hypospadia was designated as segmental urethral hypoplasia.
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D003937:Diagnosis, Differential; D006801:Humans; D007021:Hypospadias / Q000175:diagnosis; D007231:Infant, Newborn; D008297:Male