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Erschienen in:
15.07.2017 | Classics in Abdominal Imaging
Phrygian cap
Erschienen in: Abdominal Radiology | Ausgabe 5/2018
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Phrygian cap is the most common congenital variant of gallbladder anatomy, with an incidence of 1–6% [1‐3]. It represents folding of the fundus of the gallbladder upon its body (Fig. 1) and resembles the soft conical cap worn by people of ancient Phrygia (central Turkey) (Fig. 2). Folding of the fundus during embryological development causes a Phrygian cap [4]. There are two types of this variant: retroserosal or concealed type (mucosal fold projecting into lumen is not visible externally), and serosal or visible type (peritoneum follows the bend in the fundus, reflects on itself, and is visible externally).
Fig. 1
A Axial CT section shows the folded fundus of gall bladder representing Phrygian cap (white arrow). B Transverse ultrasound image in a different patient shows another Phrygian cap (white arrow)
Fig. 2
Shows a mythological figurehead wearing a Phrygian cap (arrow).
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