Absence of the gallbladder

Absence of the gallbladder

Rarely , the gallbladder is absent; failure to visualise it should not be mistaken for pathology . H Joachim Burhenne , 1925–1996, radiologist, Vancouver, Canada, described this technique in 1973. (a) (b) (c) (d) -

1 2 1 2 1 1 2 Figure 71.20 The main variations in gallbladder and cystic duct anat

omy. (a) Double gallbladder. (b) Septum of the gallbladder: (1) is the most common (‘Phrygian cap’). (c) Diverticulum of the gallbladder. (d) /uni00A0 Variations in cystic duct insertion.

The Phrygian cap ( Figure 71.20 ) is present in 5% of gallblad ders and may be mistaken for a pathological deformity .